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Relevant bibliographies by topics / Offshore drilling unit

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Academic literature on the topic 'Offshore drilling unit'

Author: Grafiati

Published: 4 June 2021

Last updated: 12 February 2022

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Journal articles on the topic "Offshore drilling unit"

1

Slomski, Stephen, and Vitoon Vivatrat. "Risk Analysis for Arctic Offshore Operations." Marine Technology and SNAME News 23, no. 02 (April 1, 1986): 123–30. http://dx.doi.org/10.5957/mt1.1986.23.2.123.

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The ice conditions in the Beaufort Sea are very variable, particularly in the deeper water regions. This variability greatly influences the probability of success or failure of an offshore operation. For example, a summer exploratory program conducted from a floating drilling unit may require a period of 60 to 100 days on station. The success of such a program depends on:the time when the winter ice conditions deteriorate sufficiently for the drilling unit to move on station;the number of summer invasions by the arctic ice pack, forcing the drilling unit to abandon station;the rate at which first-year ice grows to the ice thickness limit of the supporting icebreakers; andthe extent of arctic pack expansion during the fall and early winter. In general, the ice conditions are so variable that, even with good planning, the chance of failure of an offshore operation will not be negligible. Contingency planning for such events is therefore necessary. This paper presents a risk analysis procedure which can greatly benefit the planning of an offshore operation. A floating drilling program and a towing and installation operation for a fixed structure are considered to illustrate the procedure.

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Mrozowska, Alicja. "Implementation of the Contingency Plan On Offshore Units Including Mobile Offshore Drilling Units." Annual of Navigation 23, no. 1 (December 1, 2016): 235–50. http://dx.doi.org/10.1515/aon-2016-0017.

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Abstract The article discusses practical application of the contingency plan (called also the emergency response plan) to the risks that may occur on an offshore unit. The author, based on her own professional experience, discusses the plan and illustrates its use in practice based on selected elements of the plan for mobile offshore drilling units engaged in the exploration of resources beneath the seabed. The paper discusses the requirements of Directive 2013/30/EU, which is includes obligation to implement the contingency plan relating to offshore units, in order to prevent accidents resulting from offshore oil and gas operations.

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Kim, Teak-Keon, Seul-Kee Kim, and Jae-Myung Lee. "Dynamic Response of Drill Floor Considering Propagation of Blast Pressure Subsequent to Blowout." Applied Sciences 10, no. 24 (December 10, 2020): 8841. http://dx.doi.org/10.3390/app10248841.

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Explosions and fire have very critical safety hazard impacts on offshore oil and gas facilities since they are mostly located in remote areas and could induce serious environmental issues. Explosion risk assessment and structure blast analysis are essential for these production facilities, and research studies have been carried out. Explosion due to blowout during drilling operation is also a critical risk for drilling units, and this has not been researched much until the accident of the drilling unit in the Gulf of Mexico in 2010. This paper provides the risk and evaluation of explosion and structure under blast pressure during the drilling operation, whereas previous research studies have mainly been interested in process plants. This study suggests weight saving in drilling units through the consideration of the actual behavior of gas explosion. Weight saving is the priority of offshore unit design due to payload. This research also gives guidelines to select the material-grade-appropriate anti-explosion system through the comparison of several materials by design and result.

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AIZAWA, Sadamichi. "Consideration on the recent technical tendency of mobil offshore drilling unit." Journal of the Japanese Association for Petroleum Technology 50, no. 2 (1985): 131–40. http://dx.doi.org/10.3720/japt.50.131.

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Michael, Farid Y., and David B. Waller. "A New Monohull Form Development as Applied to an Offshore Drilling Unit." Marine Technology and SNAME News 23, no. 01 (January 1, 1986): 55–73. http://dx.doi.org/10.5957/mt1.1986.23.1.55.

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A new monohull form has been developed specifically in an attempt to combine certain advantages of the semisubmersible and conventional ship shape drilling vessel into a vessel of unique design. The new hull form represents a well-balanced workable design particularly suited to ships where seakeeplng, environmental operability and overall cost-effectiveness are the primary requirements. The basic advantages of the new monohull form when applied to a drillship are as follows:excellent motion characteristics (motions approach those of a comparable semisubmersible);economical advantages in hull fabrication due to the use of straight line framing and developable surfaces;high payload-to-displacement ratio compared with a semisubmersible;large usable deck area compared with a conventional drillship;safety—substantially improved intact stability characteristics, thus incorporating a major advantage of a semisubmersible; anda hull configuration that provides good structural integrity when compared with a semisubmersible.

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Johnson, Ralph E., and H. Paul Cojeen. "An Investigation into the Loss of the Mobile Offshore Drilling Unit Ocean Ranger." Marine Technology and SNAME News 22, no. 02 (April 1, 1985): 109–25. http://dx.doi.org/10.5957/mt1.1985.22.2.109.

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The loss of all 84 persons aboard the mobile offshore drilling unit (MODU) Ocean Ranger on February 15, 1982 and 123 of the 212 persons aboard the MODU Alexander L. Kielland on March 27, 1980 are dramatic examples of MODU accidents. One of the purposes of this paper is to describe the investigative process undertaken by the National Transportation Safety Board (NTSB), the U.S. Coast Guard and the Canadian Royal Commission to determine the cause of the capsizing and sinking of the Ocean Ranger. In that regard, the NTSB analysis and findings are presented. A number of other MODU casualties are summarized in order to put this casualty into perspective. The responsibility for the safe operations of these complex and expensive platforms must be shared among regulators, vessel owners, drilling contractors, operators and labor organizations. The paper examines the national and international rules and regulations that are in place relating to design, construction and operation of MODU's. The NTSB recommendations are put into this shared-responsibility framework.

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Mohan, Poonam, and A. P. Shashikala. "Stability Assessment of Drill Ship Using Probabilistic Damage Stability Analysis." Transactions on Maritime Science 8, no. 2 (October 21, 2019): 180–97. http://dx.doi.org/10.7225/toms.v08.n02.003.

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Drill ship is a ship-shaped structure with a drilling unit at its center and with oil compartments, which is moored and kept in position using anchors. These ships should be capable of working in deep sea for a long time, hence affected by harsh ocean environment. Drill units are said to have greater heave motion, and the height of the derrick influences the vessel’s stability. MARPOL Oil Outflow Analysis is performed for damaged crude oil carriers or tankers and Mobile offshore drilling units (MODU) in damaged condition. In the present study, probabilistic analysis is performed on drill ship to understand its stability behavior under damaged condition. Stability assessments are carried out by considering single and multiple damage locations. Oil outflow analysis is carried out for different damage cases of oil tank. Probabilistic damage assessment is done for load cases up to 50% flooding, to obtain stability charts. These charts will be useful to understand variations in stability parameters under damaged conditions.

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Hughes, Sarah A., Jonathan Naile, Meg Pinza, Collin Ray, Brian Hester, Julia Baum, William Gardiner, Waverly Kallestad, and Louis Brzuzy. "Characterization of Miscellaneous Effluent Discharges from a Mobile Offshore Drilling Unit to the Marine Environment." Environmental Toxicology and Chemistry 38, no. 12 (October 17, 2019): 2811–23. http://dx.doi.org/10.1002/etc.4581.

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Cherednichenko, Oleksandr, Serhiy Serbin, and Marek Dzida. "Investigation of the Combustion Processes in the Gas Turbine Module of an FPSO Operating on Associated Gas Conversion Products." Polish Maritime Research 26, no. 4 (December 1, 2019): 149–56. http://dx.doi.org/10.2478/pomr-2019-0077.

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Abstract In this paper, we consider the issue of thermo-chemical heat recovery of waste heat from gas turbine engines for the steam conversion of associated gas for offshore vessels. Current trends in the development of offshore infrastructure are identified, and the composition of power plants for mobile offshore drilling units and FPSO vessels is analyzed. We present the results of a comparison of power-to-volume ratio, power-to-weight ratio and efficiency for diesel and gas turbine power modules of various capacities. Mathematical modeling methods are used to analyze the parameters of an alternative gas turbine unit based on steam conversion of the associated gas, and the estimated efficiency of the energy module is shown to be 50%. In the modeling of the burning processes, the UGT 25000 serial low emission combustor is considered, and a detailed analysis of the processes in the combustor is presented, based on the application of a 35-reaction chemical mechanism. We confirm the possibility of efficient combustion of associated gas steam conversion products with different compositions, and establish that stable operation of the gas turbine combustor is possible when using fuels with low calorific values in the range 7–8 MJ/kg. It is found that the emissions of NOx and CO during operation of a gas turbine engine on the associated gas conversion products are within acceptable limits.

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Sengupta, Sobhan, and John O'R Breeden. "A Method for “Punch-Through” Proof Design for Independent Leg Jack-Ups." Marine Technology and SNAME News 22, no. 01 (January 1, 1985): 50–63. http://dx.doi.org/10.5957/mt1.1985.22.1.50.

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"Punch-through" is one of the most common types of failure affecting independent leg self-elevating-type mobile offshore drilling units (jack-ups), and existing rules do not provide any guidelines to design for "punch-through" induced forces. This paper presents a systematic method for analysis and design of independent leg jack-ups for such forces, identifying the important design and operating parameters and evaluating their effects. The method can be used to design the jack-up legs for a given set of operating parameters, or for an existing unit it can be used to define the limiting values of these parameters. Based on these limitations, operating procedures can be developed to eliminate or minimize the chances of leg damage due to punch-through. A realistic example is worked out to demonstrate the application of the method.

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Dissertations / Theses on the topic "Offshore drilling unit"

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Tahchiev, Galin Valentinov. "Numerical prediction of mobile offshore drilling unit drift during hurricanes." Thesis, [College Station, Tex. : Texas A&M University, 2007. http://hdl.handle.net/1969.1/ETD-TAMU-1355.

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Ghosh, Gagan Pratap. "Multi-unit auctions with budget-constrained bidders." Diss., University of Iowa, 2012. https://ir.uiowa.edu/etd/3298.

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In my dissertation, I investigate the effects of budget-constraints in multi-unit auctions. This is done in three parts. First, I analyze a case where all bidders have a common budget constraint. Precisely, I analyze an auction where two units of an object are sold at two simultaneous, sealed bid, first-price auctions, to bidders who have demand for both units. Bidders differ with respect to their valuations for the units. All bidders have an identical budget constraint which binds their ability to spend in the auction. I show that if valuation distribution is atom-less, then their does not exist any symmetric equilibrium in this auction game. In the second and third parts of my thesis, I analyze the sale of licenses for the right to drill for oil and natural gas in the Outer Continental Shelf (OCS) of the United States. These sales are conducted using simultaneous sealed-bid first-price auctions for multiple licenses, each representing a specific area (called a tract). Using aspects of observed bidding-behavior, I first make a prima facie case that bidders are budget-constrained in these auctions. In order to formalize this argument, I develop a simple extension of the standard model (where bidders differ in their valuations for the objects) by incorporating (random) budgets for the bidders. The auction-game then has a two-dimensional set of types for each player. I study the theoretical properties of this auction, assuming for simplicity that two units are being sold. I show that this game has an equilibrium in pure strategies that is symmetric with respect to the players and with respect to the units. The strategies are essentially pure in the sense that each bidder-type has a unique split (up to a permutation) of his budget between the two auctions. I then characterize the equilibrium in terms of the bid-distribution and iso-bid curves in the value-budget space. I derive various qualitative features of this equilibrium, among which are: (1) under mild assumptions, there always exist bidder-types who submit unequal bids in equilibrium, (2) the equilibrium is monotonic in the sense that bidders with higher valuations prefer more unequal splits of their budgets than bidders with lower valuations and the same budget-level. With a formal theory in place, I carry out a quantitative exercise, using data from the 1970 OCS auction. I show that the model is able to match many aspects of the data. (1) In the data, the number of tracts bidders submit bids on is positively correlated with budgets (an R² of 0.84), even though this relationship is non-monotonic; my model is able to capture this non-monotonicity, while producing an R² of 0.89 (2) In the data, the average number of bids per tract is 8.21; for the model, this number is 10.09. (3) Auction revenue in the data was $1.927 billion; the model produced a mean revenue of $1.944 billion

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GAMA, MARIANA CARDOSO GARCIA DE FREITAS. "EVALUATION OF AN EMBARKED TREATMENT UNIT OF NON-AQUEOUS DRILLING FLUIDS CONTAMINATED WITH DISPLACEMENT INTERFACES AND WASTEWATERS ORIGINATED FROM OFFSHORE DRILLIN." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2014. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=24034@1.

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Este estudo apresenta uma unidade de tratamento móvel recentemente implantada em atividades marítimas de desenvolvimento de petróleo no Brasil. O sistema consiste em dois módulos de tratamento especializados para tratamento de fluidos de perfuração de base não aquosa (FBNA) contaminado com interface de deslocamento e águas residuárias da perfuração marítima. Os módulos componentes do sistema proposto podem ser instalados tanto em instalações em terra ou em plataformas marítimas. A unidade a ser avaliada utiliza a combinação dos tratamentos de demulsificação, floculação, decantação e filtração para separação de FBNA e frações de FBNA da água residual em seus principais componentes. Testes laboratoriais foram realizados de modo a garantir que o sistema teria a capacidade de tratar os resíduos de FBNA contaminado em conformidade às resoluções brasileiras de descarte de efluentes (Resoluções do Conselho Nacional do Meio Ambiente número 357/05 e 430/11). Os ensaios envolveram o ajuste do sistema para operar dentro dos limites estabelecidos pela legislação local, que estabelecem limites muito conservadores de metais e hidrocarbonetos, entre outros parâmetros, os quais os efluentes devem se enquadrar antes da permissão para descarte em águas continentais ou oceânicas. Este estudo apresenta os resultados dos ensaios, os quais demonstraram que os efluentes tratados pelo sistema estão em conformidade com os parâmetros necessários para permissão do descarte em locações de perfuração marítima no Brasil. O próximo passo a ser dado, antes do uso operacional desta recente tecnologia no Brasil, é o acordo de um Plano de Monitoramento Ambiental com o Órgão Ambiental. Os resultados mostraram que o uso do sistema não é apenas economicamente vantajoso, mas também ambientalmente importante, uma vez que ajuda a minimização de resíduos, reutilização de fluidos, aumento do lucro e melhora das margens em operações de perfuração. No Brasil, o uso desta tecnologia tem um perfil inovador e é uma ferramenta que pode contribuir para redução dos elevados volumes de resíduos de perfuração que são atualmente enviados para destinação final em terra.
This study presents the mobile treatment system recently deployed in offshore development activities in Brazil. The system is a specialized two-module treatment of synthetic base mud (SBM) contaminated with wash water and slop water. The modules of the unit are deployable to any drilling environment onshore or offshore platforms. The studied unit treatment process uses a combination of chemical and physical processes such as demulsification, flocculation, settling and filtration to separate SBM and SBM fractions from the slop water into their main components. Laboratorial testing was conducted to ensure that this system would have the capacity to treat SBM-contaminated wastes to comply with the Brazilian Resolutions for Effluents Discharge (Conselho Nacional do Meio Ambiente Resolutions number 357/05 and 430/11). The tests involved adjusting the system to operate within the limits established by the local legislation, which establish very conservative limits of metals and hydrocarbons, amongst other parameters, that effluents have to meet before being allowed to be discharged in continental or oceanic bodies of water. The study presents the test results which show that the system has produced effluent that complies with all the parameters necessary to allow its discharge at the drilling offshore location in Brazil. The next step to be taken, before operational use of this technology in Brazil, is the agreement of a monitoring plan with the environmental agency. Results have shown that the use of such system is not only economically advantageous, but also environmentally significant as it helps minimize the waste, reuse fluid, increase profit, and improve margins in drilling operations. In Brazil, the use of this technology has an innovative profile and it is a tool that can contribute to reducing the high volumes of drilling waste that currently are sent onshore for final waste disposal.

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Volec, Martin. "Malá vrtná souprava pro vrtání studní." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-232188.

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The aim of this thesis is the structural design small drilling rigs for drilling wells. Drilling rig will be used for drilling wells up to 200 mm diameter rotary drilling technology with irrigation water. The first part is a literature search of small drilling rigs. In the second part, then custom design a small drilling rig.

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Kasaeyan, Mohammad. "A novel engineering framework for risk assessment of Mobile Offshore Drilling Units." Thesis, Liverpool John Moores University, 2015. http://researchonline.ljmu.ac.uk/4542/.

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Natural oil and gas has become one of mankind’s most fundamental resources. Hence, the performance of mobile offshore drilling units (MODUs) under various conditions has received considerable attention. MODUs are designed, constructed, operated, and managed for harsh geographical environments, thus they are unavoidably exposed to a wide range of uncertain threats and hazards. Ensuring the operational safety of an MODU’s system is often a complex problem. The system faces hazards from many different sources which dynamically threaten its integrity and can cause catastrophic consequences at time of failure. The main purpose of this thesis is to propose a methodology to improve the current procedures used in the risk assessment of MODUs. The aim is to prevent a critical event from occurring during drilling rather than on measures that mitigate the consequences once the undesirable event has occurred. A conceptual framework has been developed in this thesis to identify a range of hazards associated with normal operational activities and rank them in order to reduce the risks of the MODU. The proposed methodology provides a rational and systematic approach to an MODU’s risk assessment; a comprehensive model is suggested to take into consideration different influences of each hazard group (HG) of an offshore system. The Fuzzy- analytic hierarchy process (AHP) is used to determine the weights of each HG. Fault tree analysis (FTA) is used to identify basic causes and their logical relationships leading to the undesired events and to calculate the probability of occurrence of each undesirable event in an MODU system. The BBN technique is used to express the causal relationships between variables in order to predict and update the occurrence probability of each undesirable event when any new evidence becomes available. Finally, an integrated Fuzzy multiple criteria decision making (MCDM) model based on the Fuzzy-AHP and a Fuzzy techniques for order preference by similarity to an ideal solution (TOPSIS) is developed to offer decision support that can help the Decision maker to set priorities for controlling the risk and improving the MODU’s safety level. All the developed models have been tested and demonstrated with case studies. An MODU’s drilling failure due to its operational scenario has been investigated and focus has been on the mud circulation system including the blowout preventer (BOP).

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Melendez, Jorge Luis. "Risk assessment of surface vs subsea blowout preventers (bops) on mobile offshore drilling units focusing on riser failure and the use of subsea shear rams." Thesis, Texas A&M University, 2003. http://hdl.handle.net/1969.1/3932.

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The use of a slim, high-pressure drilling riser for surface blowout preventer operations in the deepwater Gulf of Mexico was assessed as an alternative to conventional drilling procedures from floating units. Comparison of the low- and high-pressure system was accomplished through a detailed qualitative (assigned frequency) and quantitative (reported incidents) risk analysis using generic fault tree models to statistically determine the reliability of the system based on metocean conditions from the Gulf of Mexico. It is hoped that this investigation will serve as a starting point for drilling companies and regulatory agencies to understand the risk of implementing a high-pressure riser for surface blowout preventer applications in the Gulf of Mexico, because specific failure events and conditions of the area were considered. Despite the generic description of the drilling riser and pressure control system, the models are flexible enough to be modified and adapted to a specific rig configuration and location. Results from the qualitative comparison suggest an acceptable risk and high reliability for high-pressure riser systems and surface preventers. The quantitative portion of the study is influenced by the data quality of the high-pressure system, however it provides a range of possible reliability values with an acceptable overall risk.

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Lynk, John Michael. "Performance of drag embedment anchors dragged through remolded clay and loaded at various horizontal orientations." Thesis, 2009. http://hdl.handle.net/2152/ETD-UT-2009-12-697.

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Drag embedment anchors (DEAs, or anchors) are used as foundations to secure mobile offshore drilling units (MODUs) in soft clay soils on the sea floor. In 2004 and 2005, Hurricanes Ivan, Katrina, and Rita caused the mooring failures of 17 mobile offshore drilling units moored with anchors. Since then, a great deal of research has been conducted regarding anchor performance and reliability. This report provides an overview of anchor research and industry practice to date, and discusses the results of two research experiments to assess anchor performance. One experiment investigated the effect that embedding anchors in the same soil path several times had on bearing force. The second experiment investigated what effect changing the direction of the horizontal load vector relative to the anchor shank had on embedded anchor bearing force. The results of these experiments suggest that remolding clay may have an effect on anchor bearing force capacity, and that repeatable results are obtainable when testing the effect of changing the direction of applied horizontal load.
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Ganjoo, Karan. "Experimental testing of pure translation and rotation loading of drag anchors." Thesis, 2010. http://hdl.handle.net/2152/ETD-UT-2010-08-1986.

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Mobile offshore drilling units are being used in the Gulf of Mexico to produce oil and gas. Anchoring systems such as drag embedment anchors and vertically loaded anchors are used to keep these units in place. Past mooring system failures due to hurricanes in 2004 and 2005 initiated a need to better understand the performance of these anchors to in-plane and out-of-plane loading conditions. In-plane and out-of-plane loading cause the anchor to translate or rotate in the directions of its six degrees of freedom. Behavior and holding capacity of the anchors when loaded in each of is six degrees of freedom are important in understanding and predicting their behavior. An experimental program was devised to investigate the behavior of anchors in pure translation and rotation loading. The scaled-model anchors were embedded at a measured depth in a soil bed of clay with an undrained shear strength between 10 and 20 psf and then loaded to failure. A rotation testing frame was designed to impose rotational loading in the yaw, roll and pitch directions. Test results from the experimental program are consistent and repeatable. The bearing factors for pure bearing fell well within the range of existing experimental and analytical studies on simple plates. Bearing factors for in-plane and out-of-plane shear and for all rotations are higher than those for simple plates due to presence of the shank. When the resistance is normalized by area of the fluke, the wider model provide greater normalized resistance to yawing, similar normalized resistance to pitching and rolling and less normalized resistance to bearing and shearing. It was concluded that the holding capacity of an anchor in its six degrees of freedom depends largely on its geometry, including the fluke and the shank.
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Books on the topic "Offshore drilling unit"

1

Shipping, American Bureau of. Rules for building and classing mobile offshore drilling units, 1991. Paramus, N.J., U.S.A. (45 Eisenhower Dr., Paramus, 07653-0910): American Bureau of Shipping, 1991.

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Shipping, American Bureau of. Rules for building and classing mobile offshore drilling units, 1995. New York: American Bureau of Shipping, 1995.

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2009 MODU code: Code for the construction and equipment of mobile offshore drilling units, 2009. 2nd ed. London: International Maritime Organization, 2010.

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L, Vigil Debra, and United States. Minerals Management Service. Gulf of Mexico OCS Region., eds. North Carolina/Minerals Management Service Technical Workshop on Manteo Unit Exploration: February 4-5, 1998. [New Orleans, La.] (1201 Elmwood Park Blvd., New Orleans 70123-2394): U.S. Dept. of the Interior, Minerals Management Service, Minerals Management Service, Gulf of Mexico OCS Region, 1998.

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L, Vigil Debra, and United States. Minerals Management Service. Gulf of Mexico OCS Region, eds. North Carolina/Minerals Management Service Technical Workshop on Manteo Unit Exploration: February 4-5, 1998. [New Orleans, La.] (1201 Elmwood Park Blvd., New Orleans 70123-2394): U.S. Dept. of the Interior, Minerals Management Service, Minerals Management Service, Gulf of Mexico OCS Region, 1998.

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L, Vigil Debra, and United States. Minerals Management Service. Gulf of Mexico OCS Region., eds. North Carolina/Minerals Management Service Technical Workshop on Manteo Unit Exploration: February 4-5, 1998. [New Orleans, La.] (1201 Elmwood Park Blvd., New Orleans 70123-2394): U.S. Dept. of the Interior, Minerals Management Service, Minerals Management Service, Gulf of Mexico OCS Region, 1998.

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Programmatic environmental assessment for grid 16: Site-specific evaluation of BP Exploration and Production, Inc.'s Initial Development Operations Coordination Document, N-7469 : Thunder Horse Project, Mississippi Canyon blocks 777 Unit (Blocks 775, 776, 777, 778, 819, 820, 821, 822). New Orleans: U.S. Dept. of the Interior, Minerals Management Service, Gulf of Mexico OCS Region, 2002.

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Stability study for mobile offshore drilling units (phase 1). [Washington, D.C.?]: U.S. Dept. of Transportation, U.S. Coast Guard, 1985.

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United States. Coast Guard. Marine Board of Investigation. and United States Coast Guard, eds. Marine casualty report: Capsizing and sinking of the Mobile Offshore Drilling Unit, Rowan Gorilla I in the North Atlantic Ocean on 15 December 1988 : U.S. Coast Guard, Marine Board of Investigation report and Commandant's action. Washington, D.C: U.S. Dept. of Transportation, U.S. Coast Guard, 1992.

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Rules for Building and Classing: Mobile Offshore Drilling Units, 1985. Amer Bureau of Shipping, 1985.

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Book chapters on the topic "Offshore drilling unit"

1

Kaiser, Mark J., and Brian F. Snyder. "Mobile Offshore Drilling Units." In The Offshore Drilling Industry and Rig Construction in the Gulf of Mexico, 1–27. London: Springer London, 2013. http://dx.doi.org/10.1007/978-1-4471-5152-4_1.

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Laik, Sukumar. "Offshore Drilling and Production Platforms/Units." In Offshore Petroleum Drilling and Production, 107–222. Boca Raton : Taylor & Francis, a CRC title, part of the Taylor & Francis imprint, a member of the Taylor & Francis Group, the academic division of T&F Informa, plc, [2018]: CRC Press, 2018. http://dx.doi.org/10.1201/9781315157177-3.

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Macangus-Gerrard, Geoff. "Semisubmersibles and Mobile Offshore Drilling Units." In Offshore Electrical Engineering Manual, 337–38. Elsevier, 2018. http://dx.doi.org/10.1016/b978-0-12-385499-5.00036-4.

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Conference papers on the topic "Offshore drilling unit"

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Spiers, R. L., P. H. Tranter, G. R. Burr, and M. I. Unsworth. "Conversion of a Semisubmersible Drilling Unit for Tender-Assisted and Conventional Drilling Operations." In Offshore Europe. Society of Petroleum Engineers, 1993. http://dx.doi.org/10.2118/26755-ms.

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Shanks, Earl, Jim Schroeder, Bill Ambrose, and Riddle Steddum. "Surface Bop For Deepwater Moderate Environment Drilling Operations From A Floating Drilling Unit." In Offshore Technology Conference. Offshore Technology Conference, 2002. http://dx.doi.org/10.4043/14265-ms.

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Huesecken, Till, and Anthony Robert Thompson. "Hydraulic Workover Unit is Drilling Shallow Offshore Gas Wells." In Middle East Drilling Technology Conference & Exhibition. Society of Petroleum Engineers, 2009. http://dx.doi.org/10.2118/125649-ms.

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Jimenez-Arranz, Guillermo, David Hedgeland, Stephen Cook, Nikhil Banda, Phil Johnston, and Ed Oliver. "Acoustic characterisation of a mobile offshore drilling unit." In 5th International Conference on the Effects of Noise on Aquatic Life. ASA, 2019. http://dx.doi.org/10.1121/2.0001193.

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Wang, Xuejun, Zhiping Cheng, Jinlu Kuang, and Hai Gu. "Assessment on Semi-submersible Drilling Unit with Fatigue Cracks." In Offshore Technology Conference-Asia. Offshore Technology Conference, 2014. http://dx.doi.org/10.4043/24859-ms.

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Shu, H., and D. A. Loeb. "Extending the Mooring Capability of a Mobile Offshore Drilling Unit." In Offshore Technology Conference. Offshore Technology Conference, 2006. http://dx.doi.org/10.4043/17995-ms.

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Bereznitski, Alexei. "A Novel Design of Mobile Offshore Drilling Unit for Arctic Conditions." In ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2011. http://dx.doi.org/10.1115/omae2011-49137.

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Abstract:

Exploration of Arctic offshore for oil and gas sets extremely high requirements for Mobile Offshore Drilling Units (MODU). Arctic offshore is one of the harshest environments on the planet. Low temperatures, high winds and ice infested waters represent great challenge. Drilling units, which are optimized for severe ice loads, are vulnerable to waves when water clears from the ice. MODU’s specifically designed for open water and extreme waves have poor ice resistant performance. A Novel Design of column stabilized Mobile Offshore Drilling Unit named JBF Arctic is presented in the paper. The major feature of the unit is the combination of exceptional seakeeping characteristics and excellent ice resistance. This is achieved by utilization of a dual draft concept. In open water the unit has a draft which is typical for column stabilized units. In ice the unit is submerged to a deeper draft where a cone shaped heavily reinforced upper structure receives the ice loads. This paper deals with results of extensive research including seakeeping calculations, model testing in a seakeeping tank, studies on ice loads, model testing in an ice tank, and analysis of the mooring system.

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Oliveira, V. C. C., C. K. Morooka, and J. R. P. Mendes. "A Study on Operational Safety in Offshore Drilling and Production Units." In ASME 2004 23rd International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2004. http://dx.doi.org/10.1115/omae2004-51375.

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In the present paper, operational accidents, which occur during offshore drilling and production operations are carefully studied. Data were collected from literature for those operations and each accident was classified according to related operations and carefully analyzed. After that, each accident was classified according to the operation unit where it happened, i.e., drilling, completion, production and workover type unit. Classifying the accidents and analyzing the obtained results has shown that more than half of them are related to offshore petroleum production unit operations, followed by those related to drilling rig operations. The remaining observed cases are related to workover exploration and completion units. The evaluation of operational accidents in offshore petroleum drilling and production units could clarify the behavior of operational safety, particularly variations along the years. It was possible to identify the main factors that contribute to the increase of the number of those accidents in offshore units, as well as, the consequences of each accident. Finally, such procedures provided useful information that can assist engineers in making decisions improving operational safety programs for offshore drilling and production unit operations.

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Prislin, Igor, Luc Chabot, Linda H. Dean, Tuanjie Liu, and Wei Ye. "Reliable Lashing Lines Fatigue Monitoring for a Tender-Assisted Drilling Unit." In Offshore Technology Conference-Asia. Offshore Technology Conference, 2014. http://dx.doi.org/10.4043/25025-ms.

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Inoue, K., and C. V. Wolff. "Development of a Semisubmersible Drilling Unit for 10,OOO-ft Water Depth." In Offshore Technology Conference. Offshore Technology Conference, 1990. http://dx.doi.org/10.4043/6272-ms.

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