Relevant bibliographies by topics / Oil well drilling. Directional drilling

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Oil well drilling. Directional drilling'

Author: Grafiati
Published: 4 June 2021
Last updated: 15 February 2022

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Journal articles on the topic "Oil well drilling. Directional drilling"

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Zhang, Hui, De Li Gao, and Wen Sheng Liu. "Risk Assessment of Extended Reach Well Based on Gray Matter-Element." Advanced Materials Research 361-363 (October 2011): 386–92. http://dx.doi.org/10.4028/www.scientific.net/amr.361-363.386.

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Drilling is one of the major means for oil and gas exploration and development. Extended reach wells (ERWs) are defined as directional wells or horizontal wells with horizontal displacement (HD) to vertical depth (VD) ratio greater than or equal to 2. Extended reach drilling (ERD) confronted many technical difficulties. Risk analysis of ERD before drilling is of great significance for preventing complex accidents during drilling operations, improving the drilling rate and efficiency. Based on gray matter-element theory, this paper established a comprehensive risk assessment model for ERD operations and applied this model to evaluate the drilling risk of Well B6ERW07(HD to VD ratio 5.94, horizontal displacement 7,419.42 m, vertical depth 1,248.50 m, measured depth 8,144.31 m)in the Liuhua oil field, South China Sea. The assessment results show that the predicted success rate of drilling this ERW is 49.9%. This result can be important criteria and thus contributes greatly to decision making.
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Mohamed, Abdulrahman. "Novel approach for anti-collision planning optimization in directional wells." International Journal of Engineering & Technology 9, no. 2 (April 3, 2020): 333. http://dx.doi.org/10.14419/ijet.v9i2.30306.

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One of the most application of the directional drilling is drilling multiple wells from one location or platform. In drilling multiple wells from one location the major problem that faced is avoiding the collision with the offset wells that drilled near the proposed well in the same region. Therefore, the Potential of Collison between the wells can cause severe catastrophic accidents such as an explosion or oil spill. Several measurements of proximity calculation or methods have been adopted to control the distance between the wells, avoid the Collison, increas-ing the clearance along with smoothing the trajectory, Reducing the drilling time based on the anti-collision rules. A real case study of an offshore directional horizontal well drilled from the platform is studied through the paper. The proposed well is drilled in the neighboring of three Offset wells that should be Planned completely to avoid the Collison with them. The well is planned through an advanced anti-collision method that results in preventing the collision of well with optimized drilling performance through Oriented separation factor (OSF). This factor yields appropriate separation with OSF greater than 5. This yield efficient separation with offset well 1, offset well 2 and offset well 3 greater thant5, In addition to optimized drilling performance of 84% drilling versus 16% sliding that results in the completion of the well in 50 days with positive income that result in 8.55 Return on Investment (ROI).
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Amundsen, Per A., Torgeir Torkildsen, and Arild Saasen. "Shielding of Directional Magnetic Sensor Readings in a Measurement While Drilling Tool for Oil Well Positioning." Journal of Energy Resources Technology 128, no. 4 (October 27, 2005): 343–45. http://dx.doi.org/10.1115/1.2358151.

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Magnetic materials in the drilling fluid used for drilling a petroleum well can significantly shield the Earth’s magnetic field as measured by magnetic sensors inside the drilling pipe. This has been shown to sometimes cause significant errors in the accuracy of borehole positioning using magnetic surveying. In this paper we present a physical approach for correcting the measured magnetic fields for such shielding. An explicit solution of the shielding problem is derived for the simplest case of a magnetic sensor on the axis of the borehole.
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Alexey, Neroslov. "The Method of Cluster Drilling in the Western Ural as the Beginning of the Technical and Economic Revolution in the World Drilling." TECHNOLOGOS, no. 3 (2020): 47–57. http://dx.doi.org/10.15593/perm.kipf/2020.3.03.

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In 1943, at the height of the Great Patriotic War, the new revolutionary drilling technique with high efficiency was used in Krasnokamsk oilfield of Molotov (Perm) Oblast for the first time in the world – the cluster turbodrilling method. The development of oil industry in Prikamye in the 1940s was associated with certain complications. The main deposits of the Krasnokasmk oilfield discovered before the war turned out to be located due to a number of reasons within the area of industrial and residential construction of the city of Krasnokamsk and under the Kama river and the Paltinskoye swamp close to the city. Conventional drilling methods could not be used for their development. The way out was to use the method of directional drilling that was little known at that moment. The development of the innovative technology in Krasnokamsk oilfield in 1942 was largely due to the involvement of the specialists of the Experimental Turbodrilling Bureau evacuated from Baku. Directional drilling which involved the deviation of the bottom hole (the ultimate lowest point of the well) from the wellhead (the initial uppermost location) by several hundred metres opened up broad opportunities for developing hard-to-recover oil deposits while significantly accelerating and ensuring cost savings of the drilling process. The directional drilling served as the basis for the development in Prikamye of an advanced technology of cluster drilling when several directional wells with different azimuths were drilled from a small well pad. In 1943–1944, cluster drilling was tested and successfully used in Krasnokamsk oilfield. The cluster drilling comprised an entire range of innovative solutions including the movement of assembled drilling rigs without dismantling power equipment. Also, it resulted in the reduction of total labour costs, scope of construction and assembly works, costs of building oilfield roads, power lines and pipelines, and transportation costs. People’s Commissariat of Oil Industry of the USSR initiated a large-scale rollout of the advanced method of cluster drilling in the largest oil-producing regions of the Soviet Union – Azerbaijan and the North Caucasus, and the area of the “second Baku” – Bashkiria, Tatary, and Kuybyshev oblast. The transition to the advanced and cost-saving technology of cluster drilling laid the foundation for the technical and economic revolution of the world drilling practices.
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Lu, Fuwei, Hui Du, Zhaojun Chen, Xianbin Zhang, Houping Gong, and Yun Xue. "Stable Dispersed MoS2 Nanosheets in Liquid Lubricant with Enhanced Rate of Penetration for Directional Well." Journal of Nanomaterials 2016 (2016): 1–8. http://dx.doi.org/10.1155/2016/8563870.

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MoS2 nanosheets of approx. 100 nm were synthesized by a reverse microemulsion route firstly, then were annealed under nitrogen atmosphere, and were finally modified with 1-dodecanethiol. The prepared MoS2 nanosheets were characterized by XRD, TEM, FTIR, and so forth. Experimental results show that MoS2 nanosheets with the typical layer structure can be easily dispersed in oil lubricant for rate of penetration (ROP) increasing in directional well. The ROP of directional well with the prepared liquid lubricant was 52.9% higher than that of the similar directional wells at least, and the drilling velocity was increased 20% while the total proportion of lubricant in drilling fluid was 1.5%.
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Kamyab, Mohammadreza, Nelson Chin, Vamegh Rasouli, Soren Soe, and Swapan Mandal. "Coiled tubing drilling for unconventional reservoirs: the importance of cuttings transport in directional drilling." APPEA Journal 54, no. 1 (2014): 329. http://dx.doi.org/10.1071/aj13033.

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Coiled tubing (CT) technology has long been used in the oil and gas industry for workover and stimulation applications; however, the application of this technology for drilling operations has also been used more recently. Faster tripping, less operational time, continuous and safer operation, and the requirement for fewer crew members are some of the advantages that make CT a good technique for drilling specially deviated wells, in particular, in unconventional reservoirs for the purpose of improved recovery. Cuttings transport in deviated and horizontal wells is one of the challenges in directional drilling as it is influenced by different parameters including fluid velocity, density and rheological properties, as well as hole deviation angle, annulus geometry and particle sizes. To understand the transportation of the cuttings in the annulus space, therefore, it is useful to perform physical simulations. In this study the effect of wellbore angle and fluid rheological properties were investigated physically using a flow loop that has been developed recently for this purpose. The minimum transportation velocity was measured at different angles and an analysis was performed to study the fluid carrying capacity and hole cleaning efficiency. The results indicated how the change in wellbore angle could change the cuttings transport efficiency.
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Epikhin, Anton, Vitaly Zhironkin, and Michal Cehlar. "Prospects for the Use of Technology of Rotary Steerable Systems for the Directional Drilling." E3S Web of Conferences 174 (2020): 01022. http://dx.doi.org/10.1051/e3sconf/202017401022.

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In the process of gradual reorientation of the oil industry to the production of heavy hydrocarbons, inaccessible to traditional methods of production, the need arises for the application of modern technological solutions. One of these technologies is directional drilling, which poses new challenges for drilling equipment, such as facilitating sliding - changing the angle of well bore, improving the cleaning of the wellbore, reducing the risks of differential sticking, overcoming resistance during horizontal drilling, etc. A modern technological solution is rotary steerable systems (RSS) representing a new generation of downhole systems used in directional drilling. The article discusses the advantages and disadvantages of RSS technology, its modifications, gives a classification, also provides a comparative analysis of well wiring using rotary steerable systems and, the most widely used, mud motor.
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Ulyasheva, Nadezhda, Ekaterina Leusheva, and Ramil Galishin. "Development of the drilling mud composition for directional wellbore drilling considering rheological parameters of the fluid." Journal of Mining Institute 244 (July 30, 2020): 454–61. http://dx.doi.org/10.31897/pmi.2020.4.8.

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Article presents investigations on the development of a drilling mud composition for directional wells in an oil field located in the Republic of Tatarstan (Russia). Various rheological models of fluid flow and their applicability for drilling muds are analyzed. Laboratory experiments to measure the main rheological parameters of a solution, such as plastic viscosity, dynamic shear stress, as well as indicators of non-linearity and consistency are presented. On the basis of laboratory investigations, it was concluded that high molecular weight polymer reagents (for example, xanthan gum) can give tangible pseudoplastic properties to the washing fluid, and their combination with a linear high molecular weight polymer (for example, polyacrylamide) reduces the value of dynamic shear stress. Thus, when selecting polymer reagents for treating drilling muds at directional drilling, it is necessary to take into account their structure, molecular weight and properties. Combination of different types of reagents in the composition of the drilling mud can lead to a synergistic effect and increase the efficiency of the drilling process as a whole.
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Salam, Massara, Nada S. Al-Zubaidi, and Asawer A. Al-Wasiti. "Lubricating Properties of Water-Based Drilling Fluid Improvement Using Lignite NPs as well as Their Effect on Rheological and Filtration Properties." Association of Arab Universities Journal of Engineering Sciences 26, no. 1 (March 31, 2019): 81–88. http://dx.doi.org/10.33261/jaaru.2019.26.1.011.

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In the process of drilling directional, extended-reach, and horizontal wells, the frictional forces between the drill string and the wellbore or casing can cause severe problems including excessive torque which is one of the most important problems during drilling oil and gas well. Drilling fluid plays an important role by reducing these frictional forces. In this research, an enhancement of lubricating properties of drilling fluids was fundamentally examined by adding Lignite NPs into the water-based drilling fluid. Lubricity, Rheology and filtration properties of water-based drilling fluid were measured at room temperature using OFITE EP and Lubricity Tester, OFITE Model 900 Viscometer, and OFITE Low-Pressure Filter Press, respectively. Lignite NPs were added at different concentrations (0.05 %, 0.1 %, 0.2 %, 0.5 %, and 1 %) by weight into water-based drilling fluid. Lignite NPs showed good reduction in COF of water-based drilling fluid. The enhancement was increased with increasing Lignite NPs concentrations; 23.68%, 35.52%, and 45.3 % reduction in COF were obtained by adding 0.2%, 0.5%, and 1% by weight Lignite NPs concentration, respectively.
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Ivanova, Tatiana N., and Iwona Żabińska. "Modern Methods of Elimination of Lost Circulation in Directional Wells." Management Systems in Production Engineering 29, no. 1 (December 2, 2020): 65–74. http://dx.doi.org/10.2478/mspe-2021-0009.

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Abstract Losses of drilling mud and other fluids is the one of the major types of drilling troubles. Annual time losses for their elimination by oil and gas companies are huge. The factors, influencing the mud losses and regulating the direction of the further works, can be divided into two groups: geological and technological. Conducted studies on the use of an insulating composition based on chromium acetate made it possible to identify: the use of the insulation composition on the chrome acetate base allows considerable reduction of time required to eliminate disastrous circulation loss without installation of cement plugs; avoiding BHA replacement; avoiding drilling-in after bullheading and overlapping of lost-circulation layer; low cost, possibility of fast preparation, as it does not entail the delivery of additional chemicals, which also contributes to reduction of time required to eliminate disastrous circulation loss; the use with every type of drilling mud. Basing on the positive experience of the use of this composition in the neighboring regions and considering its economic side, the technique can be used in regions of the Udmurt Republic.
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Dissertations / Theses on the topic "Oil well drilling. Directional drilling"

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Becker, Thomas Edward. "Correlations for drill-cuttings transport in directional-well drilling /." Access abstract and link to full text, 1987. http://0-wwwlib.umi.com.library.utulsa.edu/dissertations/fullcit/8712608.

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Campos, Wellington. "Mechanistic modeling of cuttings transport in directional wells /." Access abstract and link to full text, 1995. http://0-wwwlib.umi.com.library.utulsa.edu/dissertations/fullcit/9527819.

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Wang, Hong. "Near wellbore stress analysis for wellbore strengthening." Laramie, Wyo. : University of Wyoming, 2007. http://proquest.umi.com/pqdweb?did=1338926861&sid=1&Fmt=2&clientId=18949&RQT=309&VName=PQD.

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CHIEZA, CAROLINA PONTES. "DIAGNOSTICS OF OPERATIONAL PROBLEMS DURING OIL WELL DRILLING." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2011. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=19161@1.

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COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR
A perfuração de poços de petróleo é uma operação complexa e de elevado risco e custo financeiro. Com o passar dos anos o número de poços horizontais e de longo alcance perfurados aumentou consideravelmente devido à existência de reservatórios mais profundos e de difícil acesso, além da necessidade de se obter uma melhor eficiência na extração do petróleo. Juntamente com este aumento na complexidade da perfuração surgiram problemas operacionais que, por muitas vezes, não são identificados e acabam sendo responsáveis pela maior parte do tempo não produtivo da operação elevando, assim, seus custos diários. Logo, o estudo destes problemas é de extrema importância para se garantir condições seguras de operação, além de contribuir para a otimização da mesma, mitigação dos efeitos causados e uma maior rapidez e eficácia nas tomadas de decisões. O presente trabalho apresenta uma metodologia de identificação de problemas operacionais a fim de otimizar a perfuração de poços, através da utilização de recursos computacionais, para gerar análises de previsão de torque, arraste e hidráulica e, posterior, comparação com os dados de perfuração obtidos, em tempo real, dos sensores de mudlogging e da ferramenta de PWD. A caracterização dos problemas foi realizada com base nos dados reais de poços horizontais, perfurados na Bacia de Campos, mediante a identificação de possíveis desvios importantes, que não estavam previstos, nos parâmetros de perfuração. Através da retro-análise dos dados de perfuração dos poços foi possível diagnosticar alguns problemas operacionais ocorridos durante esta operação, tais como: perda de circulação, prisão da coluna de perfuração, washout no tubo de perfuração e dificuldade de avanço causada por uma limpeza deficiente, pelo enceramento da broca e pela vibração na coluna de perfuração. Além disso, foram destacados também alguns exemplos que mostraram variações na tendência do torque em função de mudança na litologia do poço.
Drilling is a complex and a high risk process which involves high financial cost. Over the years the number of horizontal wells and extended reach wells increased, due to the existence of deeper reservoirs, which are more difficult to access, in addition to the need of having an improvement in the oil production efficiency. Along with this increased complexity of drilling, unidentified operational problems end up being responsible for most of the non-productive time and daily cost increase. Thus, analyzing such problems it is very important to ensure safe operating conditions, optimize drilling operation, control causes/effects and have a faster and efficient decision-making capability. This paper presents a methodology to identify operational problems in order to optimize drilling operation using computer resources to predict torque, drag and hydraulic effects and later on to compare with the drilling data obtained in real time from mudlogging sensors and PWD (Pressure While Drilling). Cases were based on real time data from horizontal wells drilled in Campos Basis, Rio de Janeiro, and the problems were identified with unforeseen changes in drilling parameters trend. After studying the available well data, it was possible to diagnose several operational problems occurred during drilling, such as: lost circulation, stuck pipe, drill pipe washout and difficulty in drilling due to a poor hole cleaning, bit balling and drill string stick-slip vibration. In addition, it was also highlighted some examples that showed variations in the torque trend due to lithology changes.
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PICARD, NICOLAS. "DEVELOPMENT OF NOVEL HYDRAULICS FOR OIL WELL DRILLING." University of Cincinnati / OhioLINK, 2002. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1025637714.

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Ozkan, Erdal. "Performance of horizontal wells /." Access abstract and link to full text, 1988. http://0-wwwlib.umi.com.library.utulsa.edu/dissertations/fullcit/8825498.

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Hernæs, Marthe Pernille Voltersvik. "Human related root causes behind oil well drilling accidents." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for petroleumsteknologi og anvendt geofysikk, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-20384.

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Many accident investigation techniques and other methods used by the petroleum industry today list a set of underlying human related causes and subsequent improvement suggestions. Do these techniques address the root cause behind the problem so that the appropriate initiatives can be implemented? The focus of the present thesis was to determine the human related root cause of two major accidents in the North Sea. This in order to give recommendations to improve the safety levels in the organisation. In order to achieve the above-mentioned goals, the IPT Knowledge Model was adapted to the given accidents. The data input into the model was based on interpreted observations from former investigation reports. The analysis of the blowout on Snorre A and the well control incident on Gullfaks C resulted in 49 and 63 observations respectively. For both accidents, the Human Factor that was indicated to have the largest affect on the accidents was Training and Competency (29% for Snorre A and 19% for Gullfaks C). Lack of competence was indicated as the majority subclass. Collectively, management and supervision, or lack thereof, was also indicated as being a contributing factor to the accidents. These final results coincide with the findings in other investigation reports. However, these are more acute, indicating a specific area of improvement within the company. By increasing the competency levels within the company and ensuring that the leaders and management have the proper tools to follow-up their employees and their operations, the safety levels and culture will improve.
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Kartoatmodjo, Rudjuk Sinung Trijana. "A model for finite conductivity horizontal wellbores /." Access abstract and link to full text, 1994. http://0-wwwlib.umi.com.library.utulsa.edu/dissertations/fullcit/9522755.

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Essiwi, Mohamed Milad Ahmed. "Validation of CFD modeling for oil well drilling fluid flows." Thesis, University of Newcastle Upon Tyne, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.430771.

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Huang, Xiaoguang. "Limit state design of oil and gas well casings." Thesis, University of Wolverhampton, 2002. http://hdl.handle.net/2436/99757.

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Books on the topic "Oil well drilling. Directional drilling"

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Short, J. A. Introduction to directional and horizontal drilling. Tulsa, Okla: PennWell Books, 1993.

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Horizontal directional drilling: Utility and pipeline applications. New York: McGraw-Hill, 2005.

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Ding, Zhu, Economides Michael J, and Society of Petroleum Engineers (U.S.), eds. Multilateral wells. Richardson, TX: Society of Petroleum Engineers, 2008.

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Bedrikovetsky, Pavel. Mathematical theory of oil and gas recovery: With applications to ex-USSR oil and gas fields. Dordrecht: Kluwer Academic, 1993.

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Ecole nationale supérieure du pétrole et des moteurs (France), ed. Drilling. Paris: Éditions Technip, 1996.

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Kerimov, Vagif, Vadim Kos'yanov, and Rustam Mustaev. Design and management of geological exploration works for oil and gas. ru: INFRA-M Academic Publishing LLC., 2021. http://dx.doi.org/10.12737/1141214.

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The textbook deals with the organization and management of exploration activities for oil and gas, as well as examples of planning, monitoring and implementation of exploration projects in leading oil and gas companies in Russia and the world. Currently, project management is being actively introduced into the practice of oil and gas exploration, and in this connection, the book examines its features, which have become firmly established in the life of many companies in the oil and gas industry. The main risks of oil and gas exploration are shown. The essence of the local forecast of oil and gas potential and preparation of search objects for drilling is given. The issues of classification of oil and combustible gas reserves and resources are summarized. The geological and economic assessment of the efficiency of geological exploration is considered. The chapters of the textbook are accompanied by control questions and tasks, as well as topics for essays. Meets the requirements of the federal state educational standards of higher education of the latest generation. For undergraduates in the direction of training 21.04.01 "Oil and Gas business" and students specializing in the direction 21.05.02 "Applied Geology".
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Mills, Peter G. Deviated drilling. Boston: International Human Resources Development Corporation, 1986.

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University of Texas at Austin. Petroleum Extension Service. Routine drilling operations. Austin, Texas: Petroleum Extension Service, Division of Continuing and Innovative Education, The University of Texas at Austin, 2015.

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Fraser, Ken. Managing drilling operations. London: Elsevier Applied Science, 1991.

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Drilling rigs. New York: Gareth Stevens Pub., 2012.

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Book chapters on the topic "Oil well drilling. Directional drilling"

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Inglis, T. A. "Directional Well Planning." In Directional Drilling, 40–62. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-017-1270-5_4.

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Skalle, Pål, and Agnar Aamodt. "Knowledge-Based Decision Support in Oil Well Drilling." In Intelligent Information Processing II, 443–55. Boston, MA: Springer US, 2005. http://dx.doi.org/10.1007/0-387-23152-8_56.

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Amadi-Echendu, Joe, and Audu Enoch Yakubu. "Asset Operations: Non-productive Times During Oil Well Drilling." In Lecture Notes in Mechanical Engineering, 43–48. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-06966-1_4.

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Estes, Jack C. "Role of Water-Soluble Polymers in Oil Well Drilling Muds." In Advances in Chemistry, 155–70. Washington, DC: American Chemical Society, 1986. http://dx.doi.org/10.1021/ba-1986-0213.ch009.

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Valipour Shokouhi, Samad, Agnar Aamodt, and Pål Skalle. "Applications of CBR in Oil Well Drilling: A General Overview." In Intelligent Information Processing V, 102–11. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-16327-2_15.

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Skalle, Paal, Jostein Sveen, and Agnar Aamodt. "Improved Efficiency of Oil Well Drilling through Case Based Reasoning." In PRICAI 2000 Topics in Artificial Intelligence, 712–22. Berlin, Heidelberg: Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/3-540-44533-1_71.

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Pereira, Romulo A., Arnaldo V. Moura, and Cid C. de Souza. "Comparative Experiments with GRASP and Constraint Programming for the Oil Well Drilling Problem." In Experimental and Efficient Algorithms, 328–40. Berlin, Heidelberg: Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/11427186_29.

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Gundersen, Odd Erik, and Frode Sørmo. "An Architecture for Multi-Dimensional Temporal Abstraction Supporting Decision Making in Oil-Well Drilling." In Combinations of Intelligent Methods and Applications, 21–40. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-36651-2_2.

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Liang, Shuang, Wenyong Sun, Xitian Shi, Fangyu Luo, and Xuliang Zhang. "Control of Overflowing-Lost Circulation During Well Drilling in Ultra-Deep Carbonate Sulfur Oil and Gas Reservoir." In Springer Series in Geomechanics and Geoengineering, 2027–40. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-0761-5_192.

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Aarushi, Akshi Kunwar Singh, and V. Venkata Krishnakanth. "A Review on Onshore Drilling for Oil and Gas Production with Its Safety Barriers and Well Control Methods." In Springer Proceedings in Earth and Environmental Sciences, 29–40. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-79065-3_3.

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Conference papers on the topic "Oil well drilling. Directional drilling"

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Liu, Xiushan. "Universal Technique Normalizes And Plans Various Well-Paths For Directional Drilling." In SPE Middle East Oil and Gas Show and Conference. Society of Petroleum Engineers, 2011. http://dx.doi.org/10.2118/142145-ms.

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Jun, Zhu, Jiang Min Zheng, and Xu Xiu Fen. "Progressive Cavity Pump-Jet Pump Production Method for Lateral Directional Drilling Well." In SPE Asia Pacific Oil and Gas Conference and Exhibition. Society of Petroleum Engineers, 1999. http://dx.doi.org/10.2118/54361-ms.

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Sugiura, Junichi, Ramon Lopez, Francisco Borjas, Steve Jones, John McLennan, Duane Winkler, Matt Stevenson, and Jordan Self. "Oil and Gas Drilling Optimization Technologies Applied Successfully to Unconventional Geothermal Well Drilling." In SPE Annual Technical Conference and Exhibition. SPE, 2021. http://dx.doi.org/10.2118/205965-ms.

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Abstract Geothermal energy is used in more than 20 countries worldwide and is a clean, reliable, and relatively available energy source. Nevertheless, to make geothermal energy available anywhere in the world, technical and economic challenges need to be addressed. Drilling especially is a technical challenge and comprises a significant part of the geothermal development cost. An enhanced geothermal system (EGS) is a commercially viable thermal reservoir where two wells are interconnected by some form of hydraulic stimulation. In a commercial setting, fluid is injected into this hot rock and passes between wells through a network of natural and induced fractures to transport heat to the surface system for electricity generation. To construct EGS wells, vertical and directional drilling is necessary with purpose-built drilling and steering equipment. This is an application where oil-and-gas drilling tools and techniques can be applied. A recent well, 16A(78)-32, drilled as part of the US Department of Energy's (DOE's) Utah Frontier Observatory for Research in Geothermal Energy (FORGE) program, highlights some of the technical challenges, which include drilling an accurate vertical section, a curve section, and a 5300-ft 65° tangent section in a hard granitic formation at temperatures up to 450°F (232°C). Extensive downhole temperature simulations were performed to select fit-for-purpose drilling equipment such as purely mechanical vertical drilling tools, instrumented steerable downhole motors, measurement-while-drilling (MWD) tools, and embedded high-frequency drilling dynamics recorders. Downhole and surface drilling dynamics data were used to fine- tune bit design and motor power section selection and continuously improve the durability of equipment, drilling efficiency, and footage drilled. Drilling optimization techniques used in oil and gas settings were successfully applied to this well, including analysis of data from drilling dynamics sensors embedded in the steerable motors and vertical drilling tools, surface surveillance of mechanical specific energy (MSE), and adopting a drilling parameter roadmap to improve drilling efficiency to minimize drilling dysfunctions and equipment damages. Through drilling optimization practices, the instrumented steerable motors with proper bit selections were able to drill more than 40 ft/hr on average, doubling the rate of penetration (ROP), footage, and run length experienced in previous granite wells. This paper presents a case study in which cutting-edge oil-and-gas drilling technologies were successfully applied to reduce the geothermal well drilling time by approximately half.
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Yang, Long, Aijun Li, Xiaonian Cheng, and Yinfeng Meng. "Under-balance Drilling Technology of Slim Directional Well in Region Xiaoguai of Karamay Oilfield." In International Oil and Gas Conference and Exhibition in China. Society of Petroleum Engineers, 2000. http://dx.doi.org/10.2118/64700-ms.

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van Oort, Eric, Dongmei Chen, Pradeepkumar Ashok, and Amirhossein Fallah. "Constructing Deep Closed-Loop Geothermal Wells for Globally Scalable Energy Production by Leveraging Oil and Gas ERD and HPHT Well Construction Expertise." In SPE/IADC International Drilling Conference and Exhibition. SPE, 2021. http://dx.doi.org/10.2118/204097-ms.

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Abstract Deep closed-loop geothermal systems (DCLGS) are introduced as an alternative to traditional enhanced geothermal systems (EGS) for green energy production that is globally scalable and dispatchable. Recent modeling work shows that DCLGS can generate an amount of power that is similar to that of EGS, while overcoming many of the downsides of EGS (such as induced seismicity, emissions to air, mineral scaling etc.). DCLGS wells can be constructed by leveraging oil and gas extended reach drilling (ERD) and high-pressure high-temperature (HPHT) drilling expertise in particular. The objectives of this paper are two-fold. First, we demonstrate that DCLGS wells can generate significant geothermal power, i.e. on the order of 25-30 MWt per borehole initially. To this extent, we have developed a coupled hydraulic-thermal model, validated using oil and gas well cases, that can simulate various DCLGS well configurations. Secondly, we highlight the technology gaps and needs that still exist for economically drilling DCLGS wells, showing that it is possible to extend oil and gas technology, expertise and experience in ERD and HPHT drilling to construct complex DCLGS wells. Our coupled hydraulic-thermal sensitivity analyses show that there are key well drilling and design parameters that will ultimately affect DCLGS operating efficiency, including strategic deployment of managed pressure drilling / operation (MPD/MPO) technology, the use of vacuum-insulated tubing (VIT), and the selection of the completion in the high-temperature rock formations. Results show that optimum design and execution can boost initial geothermal power generation to 25 MWt and beyond. In addition, historical ERD and HPHT well experience is reviewed to establish the current state-of-the-art in complex well construction and highlight what specific technology developments require attention and investment to make DCLGS a reality in the near-future (with a time horizon of ~10 years). A main conclusion is that DCLGS is a realistic and viable alternative to EGS, with effective mitigation of many of the (potentially show-stopping) downsides of EGS. Oil and gas companies are currently highly interested in green, sustainable energy to meet their environmental goals. DCLGS well construction allows them to actively develop a sustainable energy field in which they already have extensive domain expertise. DCLGS offers oil and gas companies a new direction for profitable business development while meeting environmental goals, and at the same time enables workforce retention, retraining and re-deployment using the highly transferable skills of oil and gas workers.
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Cardoe, Jennifer, Gunnar Nygaard, Christopher Lane, Tero Saarno, and Marc Bird. "Oil and Gas Drill Bit Technology and Drilling Application Engineering Saves 77 Drilling Days on the World’s Deepest Engineered Geothermal Systems EGS Wells." In SPE/IADC International Drilling Conference and Exhibition. SPE, 2021. http://dx.doi.org/10.2118/204121-ms.

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Abstract An Engineered Geothermal System (EGS) pilot project was commissioned to prove the economic viability of an industrial scale geothermal heat plant in Finland. The project aims to generate 40 MW of emission free heat energy, supplying up to 10% of the city of Espoo’s district heating needs. Two wells of 6400 m MD and 6213 m MD (measured depth) were drilled through formations of hard, abrasive granitic gneiss with maximum measured 560 MPa UCS (unconfined compressive strength). Typical dull conditions of lost and worn cutting structure and gauge diameter wear of between 3/16-in to ¼-in contributed to excessive torque, stuck incidences, low rate of penetration (ROP) and difficulties achieving build rate. To address these drilling challenges, this paper explores the interplay between new cemented carbide compact technology, drill bit design, and drilling parameter road mapping. The directional section of the first well was drilled with an average ROP below 2 m/hr and run length averaging 56 m per bit. The well took 246 drilling days and 44 BHAs (bottom hole assemblies) to achieve TD (total depth). Between the first and second well an application specific drill bit design package and step-wise parameter program were implemented. Design enhancements included improved gauge protection, bit hydraulics for minimizing cone erosion and subsequent TCI (tungsten carbide insert) compact loss. Novel hybrid TCI materials technology was introduced having a 100% improvement in wear resistance and durability as compared with conventional grades, to drill these hard and abrasive granitic formations. New BHAs and drilling plan were selected based on the bit design selection to reduce wear on BHA components, improve directional control and reducing drilling dysfunctions. Once these factors were under control, a low risk approach to extending the bit revolution limits (krev) for the roller cone sealed bearings could be implemented based on downhole parameters and previous bit dulls, leading to longer run lengths. The combination of bit design and material enhancements with a properly selected BHA and drill plan increased run lengths and ROP. The second well’s 8.5-in directional section was drilled with a 13% increase in average ROP and a 69% increase in average run length without exceeding krev limits. Well on well, a 77 day reduction in AFE (authorization for expenditure) was realized. We demonstrated the combination of oil and gas bit and BHA design, drilling plan, and new cutting material capabilities can reduce EGS well construction costs in order to make these renewable energy sources economical.
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Naknaka, Manchukarn, Trinh Dinh Phu, Khamawat Siritheerasas, Pattarapong Prasongtham, Feras Abu-Jafar, Ali Abbasgolipour, and Pham Nam Hieu. "ERD Drilling Record Achieved in the Gulf of Thailand with an Outstanding Drilling Efficiency." In International Petroleum Technology Conference. IPTC, 2021. http://dx.doi.org/10.2523/iptc-21488-ms.

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Abstract The objective of this research is to describe the methodology used to drill the most extended reach well (ERD) in the Gulf of Thailand. The Jasmine field is a mature, sophisticated, oil field with many shallow reservoir targets that require a minimum 10,000ft horizontal displacement. As such, the main challenges faced, and the novel technology applied is described in detail by this research. The research is an example of successfully drilling a challenging well, safely and efficiently. The Jasmine C – Well X, is a 3-string design structure with an 11-3/4in top hole, an 8-1/2in intermediate section, and a 6-1/8in reservoir horizontal section. Well X was constructed by utilizing an existing platform well slot. The challenge involved drilling from the top hole to the kickoff point and directional drilling away from the casing stump of the existing well to avoid any collision with nearby wells emanating from the Jasmine C platform. The 8-1/2in hole section was the most important segment as it had to reach the landing point precisely in order to start the 6-1/8in section for GeoSteering in the reservoir section. The 8-1/2in section encountered three challenges that could affect drilling efficiency.Directional Drilling – The complexities of the well profile:The method involved making well inclination (INC) lower than 82deg in the tangent interval in order to reduce the well's tortuosity as much as possible.Hole condition – Hole cleaning and fluid losses control:The method involved the use of Low Toxicity Oil Based Mud (LTOBM) CaCO3 system, the chemical elements in the drilling fluid system could help to seal the high permeable zones.Drilling Engineering – Torque and Drag (T&D) control:The method taked into account the 7in casing run to the bottom of the hole, which the casing driven system did not allow for rotation The well was completed successfully without any additional trips. A Total Depth (TD) was of 13,052ftMD was achieved to reach reservoirs at 3,260ft TVDSS. It was therefore announced in 2019 as a new ERD record for Mubadala Thailand (ERD ratio = 3.26, Directional Difficulty Index (DDI) = 6.95). The top hole and 9-5/8in casing were set in the right depth. An 8-1/2in section was accomplished on the planned trajectory with an average on bottom Rate of Penetration (ROP) at 319 ft/hr. The 6-1/8in section was drilled by geosteering to achieve sub-surface objectives. A total of 2,143ft intervals inside the reservoir was successfully achieved. While drilling, lost circulation events occured, but the mud system was conditioned with Lost Circulation Materials (LCM). Therefore, drilling performance was unaffected. Moreover, the Bit's Total Flow Area (TFA) and Rotary steering systems (RSS) flow restrictor was configured to allow directional drilling at a very low Flow rate of 470gpm. Addition, 30 joints of 5-1/2in Heavy Weight Drill Pipe (HWDP) and 39 joints of 4in HWDP were added into the Bottom Hole Assembly (BHA) to transfer string weight to drill bitsand drill to well TD. As complexities of the well profile were fully aware, the casing was runned and minimized the open hole friction until the casing was deployed successfully. In the Gulf of Thailand, drilling the longest ERD well in a shallow True Vertical Depth (TVD) was clearly groundbreaking and entailed the successful management of the key operational challenges related to identification, job planning, design, technology selection, and implementation. This research illuminates the challenges and technical solutions of long ERD well and serves as an example of what can be achieved in the region and globally.
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Yu, Yingwei, Wei Chen, Qiuhua Liu, Minh Chau, Velizar Vesselinov, and Richard Meehan. "Training an Automated Directional Drilling Agent with Deep Reinforcement Learning in a Simulated Environment." In SPE/IADC International Drilling Conference and Exhibition. SPE, 2021. http://dx.doi.org/10.2118/204105-ms.

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Abstract Drilling a directional well becomes an essential process in the oil and gas industry to ensure better reservoir exposure and less wellbore collision risk. In the high-volume drilling market, cost-effective mud motors are dominant. The motor is capable of delivering the desired well curvature by switching between rotating and sliding operations. Therefore, to follow a predefined well trajectory, it is a critical mission to determine the optimal operation control sequence of the motor. In this paper, a method of training an automatic agent for motor directional drilling using the deep reinforcement learning approach is proposed. In designing the method, motor-based directional drilling is framed into the reinforcement learning with an automatic drilling system, also known as an agent, interacting with an environment (i.e., formations, wellbore geometry, equipment) through choices of controls in a sequence. The agent perceives the states such as inclination, MD, TVD at survey points and the planned trajectories from the environment, and then decides the best action of sliding or rotating to achieve the maximum total rewards. The environment is affected by the agent's actions and returns corresponding rewards to the agent. The rewards can be positive (such as drilling to target) or negative (such as offset distance to the planned trajectory, cost of drilling, and action switching). To train our agent, currently, a drilling simulator in a simulated environment is created with layered earth model and BHA directional responses in layers. Other attributes of the drilling system are assumed to be constant and handled automatically by the simulator. The planned trajectory is also provided to the agent while training. The directional-drilling agent is trained for thousands of episodes. As a result, the agent can successfully drill to target in this simulated environment through the decisions of sliding and rotating. The proposed workflow is known as the first automated directional drilling method based on deep reinforcement learning, which makes a sequence of decisions of rotating and sliding actions to follow a planned trajectory.
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Koryabkin, Vitaly, Artyom Semenikhin, Timur Baybolov, Arseniy Gruzdev, Yuriy Simonov, Igor Chebuniaev, Maxim Karpenko, and Vasily Vasilyev. "Advanced Data-Driven Model for Drilling Bit Position and Direction Determination during Well Deepening." In SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition. Society of Petroleum Engineers, 2019. http://dx.doi.org/10.2118/196458-ms.

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Ozbayoglu, Evren M., Flavio Rodrigues, Reza Ettehadi, Roland May, and Dennis Clapper. "Viscosity and Density Sweeps in Directional Wells." In ASME 2020 39th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/omae2020-18336.

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Abstract As explorations advance and drilling techniques become more innovative, complex and challenging trajectories arise. In consequence, cuttings transport has continued to be a subject of interest because, if the drilled cuttings cannot be removed from the wellbore, drilling cannot proceed for long. Therefore, efficient cleaning of highly inclined and horizontal wellbores is still among the most important problems to solve, because these types of wells require specialized fluid formulations and/or specific hole cleaning techniques. There are numerous studies and methods that focus in cuttings transportation in highly inclined and horizontal wells. One of them is the use of viscosity and density sweeps. Sweep pills have been used in the drilling industry as a tool to improve hole cleaning. This report presents the analysis of the performance of different sweeps pills working independently and in tandem in polymeric, oil and synthetic based systems and the comparison between them. The main objective of this project is to provide experimental evidence on which types of fluids perform better under certain conditions by studying the effect of viscosity and density in the bed erosion process in highly inclined and horizontal wells. In order to achieve that, several fluid formulations were tested at different inclination angles (90, 75, 60 degrees) in the Small Indoor Flow Loop property of The University of Tulsa’s Drilling Research Projects. The results of the tests are presented in terms of volume of drilled cuttings removed from the test section and measured differential pressures. All the tests were conducted under atmospheric pressure and ambient temperature. Moreover, a 2-Layer model is used for estimating the erosion performance of sweeps for design purposes, and the model estimations are compared with experimental results. From the experiments, it was identified that polymeric, oil and synthetic based muds with similar density and rheological properties eroded and transported the drilled cuttings similarly under similar test conditions. Furthermore, pumping the sweep pills in tandem demonstrated higher cuttings transport efficiency when compared with the sweep pills applied independently.
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Reports on the topic "Oil well drilling. Directional drilling"

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Skone, Timothy J. Oil well drilling and development. Office of Scientific and Technical Information (OSTI), July 2013. http://dx.doi.org/10.2172/1509427.

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Rougeot, J. E., and K. A. Lauterbach. The drilling of a horizontal well in a mature oil field. Office of Scientific and Technical Information (OSTI), January 1991. http://dx.doi.org/10.2172/6220198.

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Hashash, Youssef, Omar Baltaji, Guangchao Xing, and Yongxi Liang. Development of Guidelines for Implementation of Horizontal Directional Drilling. Illinois Center for Transportation, September 2021. http://dx.doi.org/10.36501/0197-9191/21-027.

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While the fundamentals of horizontal directional drilling (HDD) technology are well known, the implementation of HDD involves utilizing a vast range of equipment and installation procedures. This project developed HDD guidance documents to provide the Illinois Department of Transportation with metrics to evaluate a proposed HDD installation. This report compiled information collected during this project, including a literature review, HDD case histories observation, and an industry survey. Four main guidance documents, including the proposed HDD Guidelines, HDD Guidance Specifications, Permit Submittal Checklist, and Inspector Checklist, are the main products developed from the project.
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Edward Marks. Use of Biostratigraphy to Increase Production, Reduce Operating Costs and Risks and Reduce Environmental Concerns in Oil Well Drilling. Office of Scientific and Technical Information (OSTI), September 2005. http://dx.doi.org/10.2172/921974.

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