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Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2018
Paper Number: OTC-28906-MS
... events such as slugging flow or the potential erosive effects of sands or solid particles present additional risks, and the analysis methodology described here can serve as the basis for additional investigations into more complicated flow scenarios. bop stack geometry simulation well control...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2018
Paper Number: OTC-29063-MS
... execution drillstem testing plug test packer connectivity offshore technology conference upstream oil & gas cement plug bop stack operation Presentation of OTC-29063-MS Presentation of OTC-29063-MS OTC-29063-MS The Planning and Execution of the Tortue High Rate Gas Well DST in...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2017
Paper Number: OTC-27528-MS
...OTC-27528-MS Estimation of BOP Stack Drag and Added Mass Using Computational Fluid Dynamics Carlos F. Lopez, Harbinder Pordal, Ph.D., Kenneth Bhalla, Ph.D., and Matthew J. Stahl, D.Eng., Stress Engineering Services, Inc. Copyright 2017, Offshore Technology Conference This paper was prepared for...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2016
Paper Number: OTC-27139-MS
... introduction of the TWM. A prototype machine for direct attachment to a BOP as a backup safety system is presented based on operating constraints and industry requirements. twm drill string bop stack wellbore flow rate mechanical plug equation bop configuration well control equipment upstream...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2015
Paper Number: OTC-25921-MS
... the WH on 3 different drilling MODUs. In one case this was accomplished by using strain gauges directly on a spool piece below the BOP stack, in a second case by measuring the strains on the conductor casing and the surface casing below the housings, and in a third case in the form of flange face gap...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2015
Paper Number: OTC-25677-MS
... fatigue riser analytical prediction submerged current fatigue life real time system bop stack operation surface current conservatism acoustic system wellhead Evans , J.T. , McGrail , J. , "An Evaluation of the Fatigue Performance of Subsea Wellhead Systems and Recommendations...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 2014
Paper Number: OTC-25403-MS
... Acoustic Doppler Current Profiler (ADCP). In addition, submerged currents with maximum speed of around 1.5 knots were recorded. High fidelity Subsea Vibration Data Loggers (SVDLs) were used to monitor the in-situ riser and BOP stack vibrations due to the arduous current environment, as well as wave and...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2012
Paper Number: OTC-23473-MS
... very demanding 20,000 psi Subsea Ram BOP Stacks. ManyDrilling Contractors are requiring additional features on 20 ksi BOP Systemssuch as additional Ram Cavities and larger Shear Ram Operators which requiresignificant additional control fluid at higher pressure. The 7500 psi controlfluid supply requires...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2011
Paper Number: OTC-21670-MS
... computational fluid dynamic (CFD) analysis that has been applied to a blowout preventor (BOP) stack undergoing vertical oscillation during deployment from a floating drilling rig. CFD analysis has been used to determine added mass and to show that the drag on an oscillating BOP stack can be much more favorable...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2005
Paper Number: OTC-17405-MS
... installing the subsea horizontal tree prior to running the BOP (Blow Out Preventer) stack thus eliminating one round trip of the BOP stack. The drilling operations are performed through the subsea horizontal tree. Additional cost savings can be achieved when a batch drilling and completion program of more...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 3–6, 2004
Paper Number: OTC-16228-MS
... the THS. After a well is drilled and suspended, the BOP stack is removed and the THS installed. The BOP stack is then landed and locked on the THS, and the well is completed through the marine riser. At the end of completion operations, the tubing string is run, the hanger is landed, and the...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 2003
Paper Number: OTC-15086-MS
... operation salvage operation module jetprop mudline bop stack riser adapter drilling equipment riser string pup joint Copyright 2003, Offshore Technology Conference This paper was prepared for presentation at the 2003 Offshore Technology Conference held in Houston, Texas, U.S.A., 5 8 May 2003...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 2003
Paper Number: OTC-15211-MS
... riser drilling riser hanger requirement modification diverter water depth hoisting system otc 15211 bop stack open water diameter rig slender riser drilling equipment riser system wellhead system upstream oil & gas marine riser offshore technology conference bop...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2002
Paper Number: OTC-14268-MS
... Abstract This paper outlines the history of traditional offshore drilling with subsea Blowout Preventer (BOP) stacks and conventional riser and then illustrates the new method of surface stack drilling using the Environment Safe Guard (ESG). Introduction With the high cost of drilling in...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2002
Paper Number: OTC-14264-MS
.... xmas tree water depth complete installation installation upstream oil & gas hanger drilling rig downhole intervention completion installation and operations dthxt ecxt ehxt casing design bop stack workover installation time xmas tree type casing and cementing riser drilling...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2001
Paper Number: OTC-13122-MS
... remote facility. Up to this point, deepwater well completions were being carried out in a similar manner to shallow water completions. The well was completed using the MODUs BOP stack and marine riser, and then the marine riser was retrieved and offloaded from the MODU to free-up deck space. The subsea...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 3–6, 1999
Paper Number: OTC-10891-MS
... ROV. otc 10891 dual-activity drillship rig rotary table installation auxiliary rig drillship auxiliary rotary table upstream oil & gas operation drilling construction bop stack barge offshore pipeline jumper flowline riser discoverer enterprise Copyright 1999, Offshore...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 1998
Paper Number: OTC-8581-MS
... 2 1" drilling riser. This enabled the hookload during landing of the tubing hanger to remain within the compensator limits. With the development of the monobore riser system, a special upper annular element was developed and installed on the BOP stack to improve the pressure rating during closure on...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 1997
Paper Number: OTC-8557-MS
... drilling drilling phase compensation intervention rig heave compensation connector upstream oil & gas bop stack slim hole drilling drilling OTC 8557 Deep Offshore Slim Hole Drillin T. Duhen , SPE, A.Sagot, SPE, Y. Kerbart orasol-Foramer Copyright 1997, Oftshore Technology Conference B This...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 1996
Paper Number: OTC-8128-MS
... acknowledged the suitability of a concentric riser, if a reliable method of accessing both bores was available. popeye installation shutdown valve hanger clamp water depth spanner joint bop stack riser joint operation surface tree drilling riser control system sonsub installation riser...

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