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Keywords: riser
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Proceedings Papers

Paper presented at the SPE/IADC Managed Pressure Drilling and Underbalanced Operations Conference and Exhibition, October 29–30, 2020
Paper Number: SPE-200523-MS
... Abstract Limited studies are available for modeling gas migration in risers. Outdated and small-scale models provide insufficient reliability, and a thorough mechanistic description of the problem is still not available. A significant part of the problem concerns understanding how pressure...
Proceedings Papers

Paper presented at the IADC/SPE Managed Pressure Drilling and Underbalanced Operations Conference and Exhibition, April 9–10, 2019
Paper Number: SPE-194554-MS
... stability limit. This paper describes the planning and execution processes that made this deepwater managed pressure completion job a success. annular pressure drilling Brine completion equipment managed pressure drilling riser open hole deepwater completion job displacing ECD Profile loss...
Proceedings Papers

Paper presented at the IADC/SPE Managed Pressure Drilling and Underbalanced Operations Conference and Exhibition, April 9–10, 2019
Paper Number: SPE-194548-MS
... management & disposal drilling fluids and materials Upstream Oil & Gas return line Troll Field reservoir section SPM annular pressure drilling riser marine riser contractor subsea pump riser level control system procedure rig CML system drilling operation mud return line riser...
Proceedings Papers

Paper presented at the SPE/IADC Managed Pressure Drilling and Underbalanced Operations Conference and Exhibition, April 17–18, 2018
Paper Number: SPE-190004-MS
... Abstract Gas influxes are common during drilling operations. If not handled properly, in open loop systems gas can expand and unload the riser, however in closed loop systems, unless gas is depressurized, the top section of the riser will become over pressured. Riser unloading has not been...
Proceedings Papers

Paper presented at the IADC/SPE Managed Pressure Drilling & Underbalanced Operations Conference & Exhibition, March 28–29, 2017
Paper Number: SPE-185283-MS
... riser driller annular pressure drilling new drilling convention knowledge drilling operation pore pressure MPD well control rig Drilling drilling window operator Training Program Scenario Upstream Oil & Gas RCD procedure ntsb situational awareness Most interestingly, for...
Proceedings Papers

Paper presented at the IADC/SPE Managed Pressure Drilling & Underbalanced Operations Conference & Exhibition, March 28–29, 2017
Paper Number: SPE-185284-MS
... Abstract The AFGlobal Corporation has developed a mid-riser pump system targeted toward managed pressure drilling (MPD) wells that maintains a full riser fluid column and statically overbalanced well at all times while excluding the need for rig and riser modifications or multiple...
Proceedings Papers

Paper presented at the IADC/SPE Managed Pressure Drilling & Underbalanced Operations Conference & Exhibition, March 28–29, 2017
Paper Number: SPE-185286-MS
.... drilling operation hydrostatic head Barent Sea Injection Rate Upstream Oil & Gas cmcd procedure well control riser level riser Subsea Pump Module annular pressure drilling service provider control system operator Mud Cap Drilling Drilling integration drilling contractor CML system...
Proceedings Papers

Paper presented at the IADC/SPE Managed Pressure Drilling & Underbalanced Operations Conference & Exhibition, March 28–29, 2017
Paper Number: SPE-185291-MS
... When gas hydrates dissociate or melt it will separate into natural gas and water. The density or volume of the gas will depend of the pressure. Gas released from hydrates that melt deep down in the wellbore will expand less than if the hydrates have been transported high up in the riser and...
Proceedings Papers

Paper presented at the IADC/SPE Managed Pressure Drilling & Underbalanced Operations Conference & Exhibition, March 28–29, 2017
Paper Number: SPE-185448-MS
... connection break pressure loss dual-gradient drilling operational window drilling fluids and materials mud height riser fracture pressure annular mud height annular pressure drilling society of petroleum engineers drilling water depth drilling fluid management & disposal spm constant...
Proceedings Papers

Paper presented at the SPE/IADC Managed Pressure Drilling and Underbalanced Operations Conference and Exhibition, April 12–13, 2016
Paper Number: SPE-179179-MS
... up is that of putting pressure on the marine riser. The statement is often heard that the riser is not designed to be a pressure vessel and is not suitable for that service. In deep water, the lower portion of the riser is always exposed to much more pressure than the surface pressures used with MPD...
Proceedings Papers

Paper presented at the SPE/IADC Managed Pressure Drilling and Underbalanced Operations Conference and Exhibition, April 12–13, 2016
Paper Number: SPE-179188-MS
... drilling contractor's Riser Gas Handler (RGH). Drilling exploration wells in pre-salt formations presents a plethora of challenges, with severe drilling fluid losses, often due to the natural fractures and/or vugular porosity encountered. This paper discusses the challenges faced drilling the desired hole...
Proceedings Papers

Paper presented at the SPE/IADC Managed Pressure Drilling and Underbalanced Operations Conference and Exhibition, April 12–13, 2016
Paper Number: SPE-179499-MS
... now accomplished with standard products, a well-defined scope and experience-based understanding of what is required. Drilling Equipment Rig Contractor drilling fluids and materials Upstream Oil & Gas well control annular pressure drilling riser Implementation operator control...
Proceedings Papers

Paper presented at the SPE/IADC Managed Pressure Drilling and Underbalanced Operations Conference and Exhibition, April 12–13, 2016
Paper Number: SPE-179712-MS
... Upstream Oil & Gas mechanism hydrate circulation riser hydrate formation temperature well control pore pressure gas cap Hydrocarbon influx influx natural gas specific heat capacity gas influx wellbore annular pressure drilling formation temperature hydraulically reduction...
Proceedings Papers

Paper presented at the SPE/IADC Managed Pressure Drilling and Underbalanced Operations Conference & Exhibition, April 13–14, 2015
Paper Number: SPE-173819-MS
... mud can remain in solution and be circulated above the SS BOP undetected before finally breaking out in the riser; resulting an overboard diversion of oil based fluids, or worst case unloading the riser through the rotary table. In terms of drilling operations, the narrow and unpredictable nature of...
Proceedings Papers

Paper presented at the SPE/IADC Managed Pressure Drilling and Underbalanced Operations Conference & Exhibition, April 13–14, 2015
Paper Number: SPE-173821-MS
.... However, on wells with subsea BOPs, this becomes problematic, as there is a drilling riser, but is not impossible. Modifications to the equipment have been necessary to facilitate using MPD in these configurations. Also, making the components larger has required redesigning some equipment used for MPD in...
Proceedings Papers

Paper presented at the SPE/IADC Managed Pressure Drilling and Underbalanced Operations Conference & Exhibition, April 13–14, 2015
Paper Number: SPE-173814-MS
... where a subsea pump module is installed mid riser, with the Delta Seal Riser Module (DSRM) from Managed Pressure Operations (MPO) having a Quick Closing Annular (QCA) installed just above the subsea pump. This enables extending the operating envelope of the technology to a point where loss of...
Proceedings Papers

Paper presented at the SPE/IADC Managed Pressure Drilling and Underbalanced Operations Conference & Exhibition, April 13–14, 2015
Paper Number: SPE-173822-MS
... the functionality of the system; to detect and handle liquid loss, gas and liquid influx, gas migration in the riser, and circulation of gas through the subsea pump module. The detection tests were carried out with a reduced riser level and an open annular, to quantify the capability of the system to...
Proceedings Papers

Paper presented at the IADC/SPE Managed Pressure Drilling and Underbalanced Operations Conference and Exhibition, April 17–18, 2013
Paper Number: SPE-164561-MS
... The EC-Drill technology used is a state-of-the-art DGD technology, designed for drilling post-BOP sections. The system uses a subsea pump installed on a modified riser joint (MRJ) to manipulate the height of the drilling fluid in the riser annulus. By manipulating the fluid level in the riser it...
Proceedings Papers

Paper presented at the SPE/IADC Managed Pressure Drilling and Underbalanced Operations Conference and Exhibition, March 20–21, 2012
Paper Number: SPE-156912-MS
... the floating rig operation. The presentation will discuss the rig modifications required to install the MPD equipment on the semi??submersible, including installation of the rotating head in the marine riser. It will also review the operations carried out utilizing MPD techniques, and give examples of...
Proceedings Papers

Paper presented at the SPE/IADC Managed Pressure Drilling and Underbalanced Operations Conference and Exhibition, March 20–21, 2012
Paper Number: SPE-156889-MS
... adjust fluid level inside the riser to maintain a constant Bottom Hole Pressure (BHP)/constant Equivalent Circulating Density (ECD). This compensates for changes in the wellbore pressure profile that may occur due to standard drilling practices and problems such as cuttings loading and annular frictional...

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