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Keywords: wellbore
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Proceedings Papers

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 8–10, 2022
Paper Number: SPE-208711-MS
... objective activity data wellbore machine learning artificial intelligence new code information operation abandonment well planning base plan work instruction requirement operator activity code Introduction History of Activity Codes The use of operations (also referred to as activity...
Proceedings Papers

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 8–10, 2022
Paper Number: SPE-208761-MS
... that are categorized as complex to decommission due to being unable to either gain access to the wellbores from the surface with offshore drilling units or there exist casing integrity issues which restrict the ability to access the wellbore. This paper will outline methods that can be applied in the offshore...
Proceedings Papers

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 8–10, 2022
Paper Number: SPE-208759-MS
... a sidetrack was performed, a review was conducted to determine whether the sidetrack was planned, and whether a reason for sidetrack was recorded. Lost footage and time were estimated from survey records the original holes and the sidetrack wellbores. Cases where there was an intervening well drilled before...
Proceedings Papers

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 8–10, 2022
Paper Number: SPE-208793-MS
... nature wherever practical." Furthermore, Reed (2002 ) mentions the risks of well related safety critical elements must be maintained to within ALARP (As Low As Reasonably Practicable) principles inclusive of rig activities as well as the wellbores attached to the rig. This is excellent advice. However...
Proceedings Papers

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 8–10, 2022
Paper Number: SPE-208801-MS
... Abstract Today’s legacy fields require innovative solutions for developing capitally efficient projects within highly developed acreage blocks. As another tool to improve well economics, a U-turn lateral strategy was implemented in the Eagle Ford Shale in 2020. This wellbore trajectory resulted...
Proceedings Papers

Paper presented at the SPE/IADC International Drilling Conference and Exhibition, March 8–12, 2021
Paper Number: SPE-204014-MS
..., on a molecular level, describes the effective and reversible sealing mechanism of the WBS when applied against permeable formations or fractures in the wellbore. At a minimum concentration (critical micelle concentration (CMC) = 40 g/L) in aqueous solutions, the hydrophobically modified polysaccharides form...
Proceedings Papers

Paper presented at the SPE/IADC International Drilling Conference and Exhibition, March 8–12, 2021
Paper Number: SPE-204069-MS
... drilling issues, thus reducing drilling-related risk, non-productive time (NPT), and invisible-lost time (ILT). The method also unlocks further drilling optimization opportunities, while staying within a safe operative envelope that protects the wellbore. In the planning phase, a run plan is prepared...
Proceedings Papers

Paper presented at the SPE/IADC International Drilling Conference and Exhibition, March 8–12, 2021
Paper Number: SPE-204097-MS
... high pressure high temperature completion heat transfer fracture complex reservoir renewable energy engineering application petroleum engineer reservoir characterization hpht drilling operation ashok lost circulation van oort wellbore artificial intelligence us government upstream oil...
Proceedings Papers

Paper presented at the SPE/IADC International Drilling Conference and Exhibition, March 8–12, 2021
Paper Number: SPE-204119-MS
... solely with pulse-echo. Additionally, annulus imaging using third interface-echo (TIE) helped in characterizing the potential causes of casing wear and quality of cement behind casing by providing actual in-situ casing standoff. It was observed that casing wear was at the low side of the wellbore where...
Proceedings Papers

Paper presented at the SPE/IADC International Drilling Conference and Exhibition, March 8–12, 2021
Paper Number: SPE-204122-MS
... to solve geosteering problems with minimal human intervention. Bayesian estimation procedures are used to approximate the distance from geological features, and a wellbore propagation model is used to estimate system responses of the drilling assembly. The geological estimates and directional drilling...
Proceedings Papers

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 3–5, 2020
Paper Number: SPE-199585-MS
... GWD systems may, of course, be used to control the complete path of a wellbore as it is drilled, not just the top-hole section. The application of gyroscopic survey and well placement systems offers a number of advantages that arise directly or indirectly from their reliance on a stable reference...
Proceedings Papers

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 3–5, 2020
Paper Number: SPE-199557-MS
... The equation-based method is fast to compute and results are intuitive to interpret. However, analytical equations were derived based on idealized assumptions, such as perfect wellbore shape, long uniform drill string without tool joints, specific boundary conditions, and they neglect friction...
Proceedings Papers

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 3–5, 2020
Paper Number: SPE-199588-MS
... measurements. Conventional wellbore surveying techniques, such as magnetic or gyroscopic MWD and wireline measurements, cannot by themselves guarantee optimal placement due to systematic errors that dominate the uncertainty in well trajectory measurements. This uncertainty impedes optimal field stimulation...
Proceedings Papers

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 3–5, 2020
Paper Number: SPE-199548-MS
... large causing computational hurdles for real time implementation. This paper describes a time-efficient digital twinning approach that uses reinforcement learning (RL) to simulate scenarios corresponding to multiple hole cleaning actions. Digital twinning of cuttings transport in a wellbore requires...
Proceedings Papers

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 3–5, 2020
Paper Number: SPE-199607-MS
..., and enable drilling time savings. reduce downhole drilling motor bit-to-bend international association of drilling contractors wellbore drilling operation Directional Drilling standard btb drilling motor sbtb drilling motor drilling motor Upstream Oil & Gas bent housing bearing mandrel...
Proceedings Papers

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 3–5, 2020
Paper Number: SPE-199647-MS
... of reservoir models. Principle of Automated Trajectory Drilling System Overview Abstract Directional drilling today is a manual process characterized by monitoring drilling parameters and trends, predicting the future wellbore trajectory and adjusting steering parameters as required. When drilling...
Proceedings Papers

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 3–5, 2020
Paper Number: SPE-199628-MS
... and plugging back the drilled wellbore. All these NPT event have significantly delayed the delivery and completion of the well to the total of 24 days. This have deviated from the total AFE cost for the well. As a result, all four subsequent wells have been redesigned by the well construction team from...
Proceedings Papers

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 3–5, 2020
Paper Number: SPE-199656-MS
... requirement experiment vector effect international association of drilling contractors kill fluid kill rate modeling intersection blowout well novel analysis interaction relief well annular pressure drilling Simulation multiphase model BPM wellbore society of petroleum engineers...
Proceedings Papers

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 3–5, 2020
Paper Number: SPE-199617-MS
... Abstract A methodology to optimize bottomhole assembly (BHA) designs to deliver improvements in wellbore quality has been developed. BHA modeling accurately simulates the drilling process and is combined with measurements of the wellbore to establish selected drilling key performance indicators...
Proceedings Papers

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 3–5, 2020
Paper Number: SPE-199660-MS
... the subject wellbore against corresponding reference type logs. This results in a crude representation of strata by linear sections with offsets at fault locations. Instead of automating this manual process, we instead determine the possible interpretations as solutions of a geophysical inverse problem...

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