Academic literature on the topic 'Gravel-pack'

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Journal articles on the topic "Gravel-pack"

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Kondrat, R. М., N. S. Dremliukh, and L. І. Haidarova. "Investigation of the influence of gravel stuffing in an open drill on the productive characteristics of the well." Prospecting and Development of Oil and Gas Fields, no. 4(77) (December 28, 2020): 16–22. http://dx.doi.org/10.31471/1993-9973-2020-4(77)-16-22.

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The negative consequences of sand production from the formation into the wellbore during the operation of wells with unstable rocks are characterized. A highly effective method of preventing sand from entering the well from the formation is the use of gravel packs, which are used in Ukraine and abroad. The types of gravel packs, the conditions for their application, the choice of the diameter of gravel grains for creating gravel pack are given. The types of gravel pack installation are considered depending on the geological and technical conditions of the reservoir. Calculations have been performed using Schlumberger's PipeSim software to assess the effect of gravel pack size and permeability on the performance specification of a gas well. Based on the research results, graphical de-pendences of gas flow rates in the presence of gravel pack on the permeability of the gravel pack at its various thicknesses have been constructed and analyzed. It has been found that the gas flow rate increases with an increase in the thickness of the gravel pack in the considered interval of its variation up to 0.9 m. The effect of the thickness of the gravel pack on the gas flow rate increases with an increase in its permeability. Based on the results of statistical processing of the calculated data using the least-squares method, the optimal values of the gravel pack permeability for various values of its thickness have been determined. The optimal values of the thickness and permeability of the gravel pack have been determined, beyond which the value of the gas flow rate practically does not change. The calculation of the pressure distribution along the bore of a gas well in the presence of gravel pack with certain optimal values of its permeability and thickness is performed. Using the PipeSim software, the influence of the de-gree of relative formation penetration on the productivity of a gas well in the presence of gravel packing has been investigated for determining certain optimal values of permeability and thickness of gravel packing.
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Meng, Xingbang, Minhui Qi, Zhan Meng, Tong Li, and Zhongxiao Niu. "Visual Experimental Study on Gradation Optimization of Two-Stage Gravel Packing Operation in Unconventional Reservoirs." Energies 12, no. 8 (2019): 1519. http://dx.doi.org/10.3390/en12081519.

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During the development of unconventional reservoirs with high sand production rate and fine silt content such as heavy oil and hydrate reservoirs, silt sand blockage problem is a serious issue. A two-stage gravel-packing sand control technique is applied to solve the silt sand blockage now. However, traditional experiments on this technique could not obtain the dynamic distribution law of intrusive sand in the gravel pack. In this study, a new visualization experiment based on hydrodynamic similarity criterion for studying particle blockage in gravel packs was conducted. Real-time monitoring of sand particle migration in the gravel pack could be achieved. Also, the stable penetration depth and the distributing disciplinarian of invaded particles could be determined. The results show that when the gravel-to-sand median size ratio of gravel bed I is less than five, the sand bridge can be formed at the front end of the gravel pack. This could prevent sand from further intruding. As the grain size of gravel bed II is increased, the flow velocity is reduced. Thus, the sand invading into gravel bed II tends to settle at the interface. A large amount of sand intrusion can happen to gravel pack II when the pore filling front breaks through the gravel bed I.
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Long, Hua. "Study on Gravel Pack Completion Sand Control Technology in Horizontal Well." Applied Mechanics and Materials 675-677 (October 2014): 1561–64. http://dx.doi.org/10.4028/www.scientific.net/amm.675-677.1561.

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Screen completion is usually adopted in horizontal wells of heavy oil sandstone reservoir, however, frequent pump inspection even long term shut-off caused by thin sand production of some wells bring serious impact on production. For this reason, the gravel pack completion sand control technology in horizontal well is created on the problem of thin sand prevention and control in horizontal well through study on influence factors and treatment of gravel pack in horizontal well, stimulating test of sand packing process and study on gravel pack string in horizontal well. The technical problem of thin sand prevention and control in horizontal well has been solved with the successful application of the technology in field tests.
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Bybee, Karen. "Re-enterable Through-Tubing Gravel-Pack System." Journal of Petroleum Technology 56, no. 09 (2004): 71–72. http://dx.doi.org/10.2118/0904-0071-jpt.

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Carpenter, Chris. "Re-Evaluation of Gravel-Pack-Sizing Criteria." Journal of Petroleum Technology 68, no. 10 (2016): 74–75. http://dx.doi.org/10.2118/1016-0074-jpt.

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Neal, M. R., and J. F. Carroll. "A Quantitative Approach to Gravel Pack Evaluation." Journal of Petroleum Technology 37, no. 06 (1985): 1035–40. http://dx.doi.org/10.2118/12477-pa.

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Ber, A. A., K. M. Minaev, L. M. Ber, Ye D. Isaev, and O. S. Ulyanova. "Designing gravel pack for uranium ISL wells." IOP Conference Series: Earth and Environmental Science 43 (September 2016): 012074. http://dx.doi.org/10.1088/1755-1315/43/1/012074.

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Ates, Harun, and M. G. Kelkar. "Two-Phase Pressure Drop Predictions Across Gravel Pack." SPE Production & Facilities 13, no. 02 (1998): 104–8. http://dx.doi.org/10.2118/37512-pa.

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Boyce, James R., and James F. Carroll. "Mathematical Modeling of a Gravel-Pack Logging Tool." SPE Production Engineering 1, no. 02 (1986): 125–30. http://dx.doi.org/10.2118/13138-pa.

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Denney, Dennis. "Openhole Horizontal Gravel Pack From a Deepwater TLP." Journal of Petroleum Technology 51, no. 04 (1999): 62–64. http://dx.doi.org/10.2118/0499-0062-jpt.

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Dissertations / Theses on the topic "Gravel-pack"

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MAGALHÃES, JOÃO VICENTE MARTINS DE. "GRAVEL-PACK PUMP IN HORIZONTAL WELLS EQUIPPED WITH UNEVENLY HOLE PATTERN SCREENS." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2008. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=11706@1.

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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO<br>Na exploração e produção de petróleo em águas profundas e ultraprofundas, um dos problemas mais freqüentes é a contenção da fragmentação do reservatório durante a produção do óleo, quando o mesmo é proveniente de arenitos inconsolidados, facilmente encontrados na Bacia de Campos e demais fronteiras Offshore ao longo da costa Brasileira. O ingresso do material particulado do reservatório na coluna produtora irá criar problemas de erosão e deposição nas tubulações e demais equipamentos de superfície. Para evitar estes problemas, atualmente está sendo empregada de forma intensiva a técnica de contenção de areia chamada de Gravel Packing em poço aberto (OHGP - Open Hole Gravel Packing). Dadas as condições críticas encontradas quando se perfura em águas profundas e ultra-profundas, tais como baixo gradiente de fratura das formações, aliado à necessidade de se perfurar poços com trechos horizontais cada vez mais extensos, é imperativo que se faça o deslocamento do Gravel- pack com precisão operacional suficiente para garantir o sucesso da tarefa. Como a tecnologia para a perfuração e completação de poços horizontais extensos (trechos acima de 600m) foi desenvolvida a poucos anos atrás, somente recentemente, foi notado que tais trechos horizontais acarretam em um problema para o escoamento, ou seja, nestes poços não se tem um perfil homogêneo de produção, levando a uma drenagem não uniforme do reservatório e a uma baixa eficiência de recuperação. Isto sem contar a chegada antecipada da água injetada e a formação de cones de água e gás. Portanto, dispositivos para a equalização do escoamento da produção estão sendo desenvolvidos, através de projetos de pesquisa em diversos lugares. Telas de Gravel-pack dotadas de uma furação não-uniforme no seu tubo base consiste em uma destas novas tecnologias. O foco desta dissertação será apresentar o desenvolvimento do modelo matemático aplicado para o cálculo da vazão nos furos e para a checagem da melhor disposição dos mesmos, nos tubos base das telas de Gravel-pack. Tal furação deverá ter a capacidade de uniformizar o fluxo do óleo produzido ao longo do trecho de poço aberto horizontal, provendo uma melhor drenagem do reservatório, garantindo o deslocamento do Gravel-pack sem que a sobrepressão gerada, durante a operação, devido a baixa concentração de furos do tubo base (junto ao calcanhar do poço), frature a formação produtora e, ao mesmo tempo, garantindo o deslocamento através de ondas alfa e beta sem que, a concentração excessiva de furos (junto ao dedão do poço), leve ao embuchamento prematuro. Os resultados obtidos são validados através de um trabalho experimental de simulações físicas em escala próxima à real.<br>One of the most common problems in deep and ultradeep water explorations are the sand control during production time, even in unconsolidated sandstones reservoirs, easily found in Campos Basin and others Offshore frontiers along the Brazilian coast. The reservoir particles entrance in the production pipe may create erosion inside the column and deposition problems in the surface and subsurface equipments. In order to avoid all of these problems Open Hole Gravel-Packing (OHGP) is the most applied sand control technique in such scenarios. Due to the critical conditions found in deep and ultradeep waters such as low fracture gradient, ally long horizontal section requirements, is imperative that the Gravel-Packing operation be done with accuracy. Since the long horizontal wells technology it was developed few years ago, only recently has been noted that such wells brings other flow problem, that is: the wells delivery a non-uniform production profile, that leads to a non-uniform reservoir drainage as well as a low recovery efficiency. This phenomenon is also related to the early breakthrough of water and to water and gas conning problems. Therefore, flow equalization devices are being developed, through research projects, for several teams. Gravel-Pack screens with an unevenly holes pattern perforated in the base-pipe consist in one of these new solutions. The main focus of this work consist in present the mathematical model development applied to the flow rate calculus in the holes and the checking of the best hole pattern in the base- pipe. Such pattern should have the capacity to promote the production profile equality, providing the best reservoir drainage, guaranteeing the total Gravel-Package without the overpressure created, during the operation, due to the few concentration of base-pipe holes (close to the heel), may cause the formation fracture and, at same time, guaranteeing the displacement through alfa/beta waves without, the excessive holes concentration (close to the toe), lead to premature screen-out. The computational results obtained are validated through an experimental work by physical simulations.
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Rodrigues, Roberta Kamei 1983. "Reologia de micelas gigantes : fundamentos e aplicação na exploração de petróleo." [s.n.], 2013. http://repositorio.unicamp.br/jspui/handle/REPOSIP/250171.

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Orientadores: Edvaldo Sabadini, Rosângela Barros Zanoni Lopes Moreno<br>Tese (doutorado) - Universidade Estadual de Campinas, Instituto de Química<br>Made available in DSpace on 2018-08-25T12:17:08Z (GMT). No. of bitstreams: 1 Rodrigues_RobertaKamei_D.pdf: 3168201 bytes, checksum: 311be9e2895bc6d972563662136638fa (MD5) Previous issue date: 2013<br>Resumo: O presente trabalho descreve o potencial das micelas gigantes como aditivos para facilitar operações de gravel-pack. O objetivo da operação de completação gravel-pack é obtenção de um filtro de areia ou cerâmica (gravel) capaz de conter areia da formação durante a produção de um poço de petróleo. As micelas gigantes podem ser utilizadas na fase de preenchimento do gravel-pack, com a finalidade de produzir um sistema capaz de reduzir as perdas de carga geradas pelo fluxo turbulento do fluido (por redução de atrito hidrodinâmico), melhorar a homogeneidade da distribuição de areia na dispersão e, consequentemente, viabilizar a operação em cenários de janela operacional estreita. O fênomeno de redução de atrito hidrodinâmico está relacionado com a menor energia requerida para o escoamento de líquidos em regime turbulento, quando certas macromoléculas estão dissolvidas. Estudos indicam que a redução de atrito hidrodinâmico pode estar diretamente relacionada à flexibilidade e ao tamanho de macromoléculas, que podem interagir com os vórtices e evitar a dissipação da energia. Soluções de alguns surfactantes, em determinadas condições, podem formar micelas alongadas (gigantes). O sistema resultante possui algumas características de soluções poliméricas, sendo capaz de produzir o mesmo efeito, sem, no entanto, sofrer degradação mecânica devido ao bombeamento ou cisalhamento prolongado. Foram desenvolvidos estudos fundamentais a partir de medidas reológicas, calorimétricas e de espalhamento dinâmico de luz para investigar a estabilidade térmica e mecânica de micelas gigantes formadas por surfactantes catiônicos e ânions aromáticos. Em seguida, foram avaliadas as melhores composições, nas quais se obtiveram significativos níveis de redução de atrito hidrodinâmico em condições de temperaturas de fundo de poço, em soluções de alta salinidade e usando-se micelas gigantes formadas por surfactantes comerciais. Os resultados desses estudos fundamentais foram utilizados para avaliar o desempenho das micelas gigantes em circuitos de escoamento. Também foi verificado o efeito da presença das micelas gigantes no arraste do grão de areia, em condições próximas às das operações de gravel-pack<br>Abstract: This thesis describes the potential of wormlike micelles as additives to improve gravel-pack operations. The aim of the completion operation of grave-pack is to create a sand or ceramic filter able to contain the sand formation during the gravel-pack operation in order to produce a system capable of reducing friction losses on a fluid in turbulent flow (by drag reduction), to improve the homogeneity of the distribution of sand dispersion and thus facilitate the operation in case of narrow window scenarios. The phenomenon of drag reduction is related to the lower energy required for liquid transports in turbulent flow when certain macromolecules are dissolved. Studies indicate that drag reduction can be directly related to the flexibility and size of the macromolecules, which can interact with the vortices and prevent dissipation of energy. Solutions of some surfactants, under certain conditions, can form long micelles (wormlike micelles). The resulting system has some characteristics of polymer solutions, being able to produce the same effect, however without suffering degradation due to pumping or high shear. Fundamental studies were conducted using rheological, calorimetric and dynamic light scattering measurements in order to investigate the thermal and mechanical stability of wormlike micelles formed by cationic surfactants and aromatic anions. Then, the best compositions were evaluated, which were obtained significant levels of drag reduction under bottom hole temperature, in solutions of high salinity and using wormlike micelles formed by commercial surfactants. The results of these fundamental studies were used to evaluate the performance of wormlike micelles in flow loops. We also checked the effect of the presence<br>Doutorado<br>Físico-Química<br>Doutora em Ciências
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Books on the topic "Gravel-pack"

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Buyalski, Clark P. Gravel pack thickness for ground-water wells: Report no. 1. Hydraulics Branch, Division of Research and Laboratory Services, Engineering and Research Center, U.S. Dept. of the Interior, Bureau of Reclamation, 1986.

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Buyalski, Clark P. Gravel pack thickness for ground-water wells: Report no. 1. Hydraulics Branch, Division of Research and Laboratory Services, Engineering and Research Center, U.S. Dept. of the Interior, Bureau of Reclamation, 1986.

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Technology & Development Program (U.S.), ed. Gravel bags for packstock. U.S. Dept. of Agriculture, Forest Service, Technology & Development Program, 1995.

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Book chapters on the topic "Gravel-pack"

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"gravel (well) pack(ing)." In Dictionary Geotechnical Engineering/Wörterbuch GeoTechnik. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41714-6_71958.

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"6. Propped Fracture and Gravel Pack Monitoring." In Developments in Petroleum Science. Elsevier, 1989. http://dx.doi.org/10.1016/s0376-7361(09)70112-8.

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Civan, Faruk. "RESERVOIR SAND MIGRATION AND GRAVEL-PACK DAMAGE: STRESS-INDUCED FORMATION DAMAGE, SANDING TENDENCY, AND PREDICTION." In Reservoir Formation Damage. Elsevier, 2007. http://dx.doi.org/10.1016/b978-075067738-7/50021-x.

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Conference papers on the topic "Gravel-pack"

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Sollee, S. S. "Gravel-Pack Logging Experiments." In SPE Annual Technical Conference and Exhibition. Society of Petroleum Engineers, 1985. http://dx.doi.org/10.2118/14163-ms.

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Hertzog, Russel, John Smaardyk, and Donald Steinman. "Gravel-Pack Imaging (GPI)Tool: Precise and Accurate Knowledge of Gravel-Pack Integrity." In SPE Annual Technical Conference and Exhibition. Society of Petroleum Engineers, 2010. http://dx.doi.org/10.2118/135060-ms.

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de Sá, A. N., A. F. C. Tavares, and L. C. do Carmo Marques. "Gravel Pack in Offshore Wells." In Offshore Technology Conference. Offshore Technology Conference, 1989. http://dx.doi.org/10.4043/6041-ms.

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Wilton, B. S., R. S. Swain, J. D. Tuttle, and Dee Harkey. "Technique Improves Openhole Gravel Pack." In SPE Production Operations Symposium. Society of Petroleum Engineers, 1993. http://dx.doi.org/10.2118/25431-ms.

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Donaldson, A., Vitthal Sanjay, J. C. Welch, and P. D. Nguyen. "Invert Gravel Pack Carrier Fluid." In SPE Annual Technical Conference and Exhibition. Society of Petroleum Engineers, 2001. http://dx.doi.org/10.2118/71669-ms.

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Nehmer, W. L. "Viscoelastic Gravel-Pack Carrier Fluid." In SPE Formation Damage Control Symposium. Society of Petroleum Engineers, 1988. http://dx.doi.org/10.2118/17168-ms.

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Bhowmick, Ankit, Amit Amritkar, and Christine Ehlig-Economides. "Determining Gravel Pack Fluidization Velocity." In SPE Annual Technical Conference and Exhibition. Society of Petroleum Engineers, 2018. http://dx.doi.org/10.2118/191593-ms.

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Pedroso, Carlos, Kesavan Govinathan, Ian Mickelburgh, Philip Wassouf, and Carolina Latini. "Understanding AICD Gravel Packing." In SPE Annual Technical Conference and Exhibition. SPE, 2021. http://dx.doi.org/10.2118/206153-ms.

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Abstract In recent years, it has become common practice for operating companies to make a significant effort in the planning of gravel pack installations, especially in their most important wells. Typically, the placement of the gravel pack is accurately modelled, and multiple contingencies developed for potential alternative scenarios to reduce the overall risk of execution. After the pack has been placed, the use of down-hole gauge data enables the gravel pack to be fully evaluated in order to confirm success and investigate any issues or failures. This understanding feeds into improved designs and ever higher success rates for future completions. The most challenging gravel packs Operators are installing today are those placed in long horizontal open holes, around screens fitted with Inflow Control Devices (ICDs) or Autonomous Inflow Control Devices (AICDs). Simulating gravel pack placement in wells such as these requires the effective modelling of unusually dynamic and complex flow paths. Until recently, no simulator could adequately model these treatments. Most jobs have also been done without the downhole gauges necessary for a complete job evaluation, which has resulted in a lack of data for job evaluation and understanding. Consequently, completions requiring the pack to be placed around ICD/AICD screen assemblies have, until recently, been done without the assurance of pre-job gravel pack placement modelling. The lack of an adequate simulator has also meant that, even on these complex and valuable wells, Operators have been restricted to simple volumetric evaluation of their success. With no way to understand actual packing mechanisms or investigate root causes of failures, the assumptions made on how packing occurs in these complex wells have remained unconfirmed. Recent evolution of gravel pack simulators has made the effective pre-job simulation, and post-job evaluation, of gravel packs placed around ICD/AICDs a reality. This paper presents the results of the first evaluation of a multi-proppant deep water horizontal alpha beta gravel pack around AICD screens. It facilitates the understanding of how such gravel packs are placed, validates the packing efficiencies, and illustrates the benefits of using multiple gravels for packing.
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Morita, Nobuo. "Numerical Evaluation of Gravel-Pack Damage." In SPE Production Operations Symposium. Society of Petroleum Engineers, 1993. http://dx.doi.org/10.2118/25434-ms.

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Brunskill, Doug. "Gravel Pack Cleaning: A New Solution." In SPE/ICoTA Coiled Tubing Conference and Exhibition. Society of Petroleum Engineers, 2003. http://dx.doi.org/10.2118/81736-ms.

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