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Keywords: underbalanced drilling
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Proceedings Papers

Paper presented at the IADC/SPE Managed Pressure Drilling & Underbalanced Operations Conference & Exhibition, October 3–4, 2023
Paper Number: SPE-215884-MS
...   φ 12 + … + q n   φ 1 n φ d w 2 = q 1   φ 21 + q 2   φ 22 + … + q n   φ 2 Abstract Underbalanced drilling is one of the drilling techniques which relies on reservoir fluid influx. After more than 2 decades...
Proceedings Papers

Paper presented at the IADC/SPE Managed Pressure Drilling & Underbalanced Operations Conference & Exhibition, October 3–4, 2023
Paper Number: SPE-215891-MS
...-pressure gradients in combination with narrow pressure windows of sometimes less than 0.5 ppg. This necessitates Managed Pressure Drilling techniques allowing use of a hydrostatically underbalanced drilling mud. Due to geological factors, bit runs are short and trips frequent. However, the pore pressure...
Proceedings Papers

Paper presented at the SPE/IADC Managed Pressure Drilling and Underbalanced Operations Conference and Exhibition, October 29–30, 2020
Paper Number: SPE-200509-MS
... and materials drilling equipment drilling fluid formulation machine learning drilling fluid management & disposal drilling operation management drilling fluid property underbalanced drilling fluid loss control casing and cementing underbalanced operation conference drillstem/well testing high...
Proceedings Papers

Paper presented at the IADC/SPE Managed Pressure Drilling and Underbalanced Operations Conference and Exhibition, April 9–10, 2019
Paper Number: SPE-194542-MS
... with absent drilling window and severe losses where PMCD technique is required. In these cases, it is not possible to use overbalanced drilling fluid. This paper presents a solution for wireline logging while using MPD techniques on DP rigs with underbalanced drilling fluid. At first, it shows the planning...
Proceedings Papers

Paper presented at the IADC/SPE Managed Pressure Drilling & Underbalanced Operations Conference & Exhibition, March 28–29, 2017
Paper Number: SPE-185276-MS
... procedures to monitor gas behavior and optimize bullhead in PMCD scenarios. production control Artificial Intelligence underbalanced drilling Reservoir Surveillance production logging well control operational safety numerical method circulation liquid linear interpolation virtual cell gas...
Proceedings Papers

Paper presented at the SPE/IADC Managed Pressure Drilling and Underbalanced Operations Conference and Exhibition, April 12–13, 2016
Paper Number: SPE-179715-MS
... Abstract The naturally fractured Buda formation, which underlies the Eagle Ford shale play across central and south Texas, is experiencing resurgence in exploration and production activity as a result of improvements in horizontal and underbalanced drilling techniques. Formed during...
Proceedings Papers

Paper presented at the SPE/IADC Managed Pressure Drilling and Underbalanced Operations Conference & Exhibition, April 13–14, 2015
Paper Number: SPE-173806-MS
... drilling cement cement job flow rate ECD underbalanced drilling Upstream Oil & Gas mud weight setting casing drilling fluids and materials drilling fluid formulation fluid loss successful case history reduction unconventional shale reservoir spe iadc-173806-m sequence wellbore...
Proceedings Papers

Paper presented at the SPE/IADC Managed Pressure Drilling & Underbalanced Operations Conference & Exhibition, April 8–9, 2014
Paper Number: SPE-168947-MS
... automation underbalanced drilling well control Abstract The general form of drilling rigs has remained relatively unchanged for decades. Yet equipment, systems, and methods of a modern rig would be unrecognizable to crews of 20 years ago. In structured tasks, manual controls have largely yielded...
Proceedings Papers

Paper presented at the SPE/IADC Managed Pressure Drilling & Underbalanced Operations Conference & Exhibition, April 8–9, 2014
Paper Number: SPE-168959-MS
... the growing demand of this young product line. annular pressure drilling mpd training competency MPD underbalanced drilling young product line fiELD PERSONNEL international association of drilling contractors procedure managed pressure drilling Simulation competency mentor MPD equipment...
Proceedings Papers

Paper presented at the SPE/IADC Managed Pressure Drilling & Underbalanced Operations Conference & Exhibition, April 8–9, 2014
Paper Number: SPE-168952-MS
...Open Hole Multistage (OHMS) Systems Abstract Underbalanced drilling has been proven to mitigate formation damage, increase rate of penetration (ROP), and reduce differential sticking of the drill string. This paper describes the benefits of using open hole multistage (OHMS) completion...
Proceedings Papers

Paper presented at the SPE/IADC Managed Pressure Drilling & Underbalanced Operations Conference & Exhibition, April 8–9, 2014
Paper Number: SPE-168960-MS
... and training purposes. With the model, students can investigate different flow scenarios and pressure control challenges encountered in general well control, managed pressure drilling, underbalanced drilling, and automation. The capability of this model to handle highly changing flow scenarios...
Proceedings Papers

Paper presented at the SPE/IADC Managed Pressure Drilling & Underbalanced Operations Conference & Exhibition, April 8–9, 2014
Paper Number: SPE-168955-MS
... with the predictability of a simpler one. Existing models of UBD two phase flow dynamics Abstract Automation has the potential to improve efficiency, precision, and safety of pressure and flow control during underbalanced drilling (UBD). In addition, advanced estimation theory can be used to extract more...
Proceedings Papers

Paper presented at the SPE/IADC Managed Pressure Drilling & Underbalanced Operations Conference & Exhibition, April 8–9, 2014
Paper Number: SPE-168950-MS
... that is higher than the Lower Zone. This setup will help drill through pressure regression zones. A Reverse Gradient DGD template is shown in Fig 2b . Depth Ratio Method DGD systems have maximum utility compared to other drilling operations (such as conventional drilling, Underbalanced Drilling, Constant...
Proceedings Papers

Paper presented at the IADC/SPE Managed Pressure Drilling and Underbalanced Operations Conference & Exhibition, April 5–6, 2011
Paper Number: SPE-143098-MS
... oil & gas underbalanced drilling drillstem/well testing pipe connection procedure flow rate artificial intelligence annular pressure drilling iadc spe 143098 control test experimental unit bottomhole pressure control choke valve choke drilling fluid management & disposal...
Proceedings Papers

Paper presented at the IADC/SPE Managed Pressure Drilling and Underbalanced Operations Conference & Exhibition, April 5–6, 2011
Paper Number: SPE-143096-MS
... Abstract This paper reviews an offshore underbalanced drilling project in the Danish sector of the North Sea, undertaken during the summerof 2010. Two oil wells were drilled from a jack-up drilling rig, with produced oil and gas transferred to the accompanying production platform. A closed-loop...
Proceedings Papers

Paper presented at the SPE/IADC Managed Pressure Drilling and Underbalanced Operations Conference and Exhibition, February 24–25, 2010
Paper Number: SPE-130330-MS
..., which comprehensively explain the MPD CIM, are supported by an MPD wells database and the TAMU research thesis. objective underbalanced drilling information candidate selection drilling problem nauduri flow diagram mpd candidate selection selection project objective mpd mpd variation...
Proceedings Papers

Paper presented at the SPE/IADC Managed Pressure Drilling and Underbalanced Operations Conference and Exhibition, February 24–25, 2010
Paper Number: SPE-130314-MS
.... Underbalanced drilling (UBD) operations in this high-pour-point oil marginal reservoir, for two wells, SED-3 and SED-4, were planned to achieve the main goals of improving reservoir productivity, avoiding reservoir damage, enabling fracture identification, and making testing while drilling possible. Secondary...
Proceedings Papers

Paper presented at the SPE/IADC Managed Pressure Drilling and Underbalanced Operations Conference and Exhibition, February 24–25, 2010
Paper Number: SPE-130563-MS
... As the prospective well objectives are evaluated with some sample questions listed below, various decision trees can be formulated to determine which of the Underbalanced Drilling and Managed Pressure Drilling methods is most suited to accomplish the assigned drilling objectives. Questions...

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