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Keywords: well control
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Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35032-MS
... drilling salt tectonics downhole intervention completion structural geology well intervention operational safety well control completion equipment production enhancement drilling fluids and materials drilling fluid management & disposal annular pressure drilling completion installation...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35031-MS
... space between the casing and the open hole. This strengthens the wellbore with plastering, or smearing, of the drill cuttings into the wellbore wall while simultaneously providing improved dynamic well control protection. In this single well barrier environment, Riserless Casing Drilling provides influx...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35154-MS
... represent well control issues, significant drilling fluid costs, lost time in controlling and/or remedial curing operations. These issues are documented to add millions to the cost of drilling operations annually. Lost Circulation is described using several categories that relate to the rate of the loss...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35260-MS
... Abstract As part of post-blowout contingency planning, it is mandated by U.S. laws to perform "worst case discharge" (WCD) flowrate and volume calculations a-priori to spudding an offshore well. During well capping attempts following loss-of-well-control, an underground blowout (tensile...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35218-MS
... control stimulation intervention operation suspension plug abandonment operation execution field support vessel enhanced recovery plug packer reservoir abandonment downhole intervention subsea system acid stimulation reservoir well control package Introduction Field Description...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35255-MS
... implementation structural geology packoff texas salt tectonics well control reduction brazilian pre-salt well houston Introduction The Brazilian pre-salt reservoirs were discovered in 2006. Since then, Petrobras has drilled more than 400 wells in the pre-salt area, in Campos and Santos Basin...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35301-MS
... operational window to be drilled on a repeated and reliable basis. The expansion of the use of MPD for well control practices is relatively new but allows safer and quicker actions on the event of an influx. New forms of MPD usage are not limited to drilling operations, with successful results completing...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35291-MS
... flow of seawater into wellbores or flowlines. Managing subsea riserless intervention operations in this state requires additional assurance at both an equipment component level and an operational execution level to maintain well control and execute operations safely. A formal assurance process...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35477-MS
..., wellbore mechanics, and the surface equipment’s operating limits. Due to the unique set of challenges for each blowout, a well-intervention method that proved effective in one scenario might not be the optimal for the next—it could lead to failure, or be unimplementable. Proper response to a well-control...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32419-MS
... and formulation cement property casing and cementing cement chemistry drilling fluids and materials artificial intelligence well control reservoir characterization united states government wellbore design europe government drilling fluid management & disposal cement cement sample compressive...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32443-MS
... (or RDOC) was established after the Macondo incident in the Gulf of Mexico. Its primary focus was managing process safety risk—well control in particular—in deepwater and complex wells as defined by Chevron's global standard operating procedures. The role of the DSC in process safety is primarily...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32428-MS
... in the industry in terms of detection speed. upstream oil & gas neural network machine learning dataset europe government detection time deep learning well control real-time drilling data test dataset prediction false alarm rate algorithm detection model annular pressure drilling...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32246-MS
... configuration drilling fluids and materials project economics well control asset and portfolio management intelligent completion reservoir characterization reduction petrobras reservoir section well configuration packer project valuation completion installation and operations bit selection valve...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32271-MS
... that the time for fracture propagation to reach the mudline is longer than the time to drill a relief well and have the well controlled. When considering a situation of a fracture propagation in a blowout scenario after capping and controlling the well there are two main possibilities: (I) a shallow reservoir...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31699-MS
... An LCM is selected to control and/or minimize circulation loss problems by fracture sealing. Without a proper loss circulation material selection or technique, an increase in non-productive time (NPT) and well control problems are more likely to occur. Designing a proper LCM package to seal off...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31783-MS
... enabled by new digital and organizational processes. log analysis well control reservoir geomechanics well logging artificial intelligence drillstem testing drilling operation structural geology segmentation upstream oil & gas drilling experience modeling & simulation wellbore...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31901-MS
..., the computation speed is significantly reduced with increasing data size. This is a defining disadvantage since kick occurrence and subsequent well control are very time- sensitive. The likely approach to using KNN in practice would be to work with a relatively low data sampling rate or use a reduced...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31942-MS
... performance log analysis well control wellbore integrity reservoir surveillance production logging artificial intelligence production forecasting shale gas equation of state shale oil directional drilling oil shale hydraulic fracturing drillstem testing fracture characterization complex...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31973-MS
... chemistry drilling fluid selection and formulation fluid loss control cement property drilling fluid management & disposal cement chemistry well control drilling fluids and materials cement formulation drilling fluid property annular pressure drilling spacer system drilling fluid formulation...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31698-MS
... quality review led to the successful discovery of four new zones with minimal near-wellbore damage. Despite the extreme conditions, there was improvement in the instantaneous ROP by 15 to 20% while drilling an additional 250 m of abrasive formation without any wellbore instability. well control...

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