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Keywords: well control
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Proceedings Papers
Dual Gradient Mud Cap Technique and Monitoring System Developed to Manage Total Losses While Drilling in the Brazilian Pre-Salt Carbonate
Available to PurchaseF. R. G. da Silva, C. N. Donatti, E. Hayashi, L. A. S. Rezende, V. Girardi, V. Sá, I. Hammill, E. Barrios, R. Viali, R. V. Noort, S. S. Emam
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 5–8, 2025
Paper Number: OTC-35890-MS
... drillstring design well control reservoir characterization real time system simulation hydrostatic pressure scenario fracture annular space hydraulic simulation seawater cap martin cap technique and monitoring system dual-fluid annular interface depth dual gradient mud cap technique offshore...
Proceedings Papers
Enhancing Offshore Drilling Safety: Identification and Integration of Leading Indicators for Loss of Offshore Well Control
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 5–8, 2025
Paper Number: OTC-35818-MS
... system that leverages multiple technologies simultaneously. Abstract In an effort to enhance safety and efficiency in offshore drilling operations, this research addresses critical gaps in the current understanding and application of leading indicators for Loss of Well Control (LOWC) events...
Proceedings Papers
Innovative Wellbore Shielding Spacer Safely Pumped Across Narrow Area Accessories in Oilfield Cementing Operations
Available to PurchaseWajid Ali, Ahmad Atef Hashmi, Faisal Abdullah Al Turki, Mouloud Bouaraki, Moaathe Aljardan, Jonathan Pohl
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 5–8, 2025
Paper Number: OTC-35577-MS
... the equivalent circulating density is slightly above the formation fracture pressure. geologist casing and cementing geology annular pressure drilling drilling fluids and materials operation drilling fluid management & disposal well control spacer wellbore float equipment valve lbm ft 3...
Proceedings Papers
Unlocking the Value of Standardized Approach on Atlanta Wells Drilling and Completion
Available to PurchaseJ. Salies, W. Costa, R. Aguiar, D. Batista, T. Dos Santos, A. Migoranço, C. Pedroso, F. Liborio, G. Gualtero, R. Ayres, L. Gloria, L. Cae, R. R. Macedo
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 5–8, 2025
Paper Number: OTC-35581-MS
... to minimize risks and slash costs. geologist drillstem/well testing completion equipment geology annular pressure drilling drilling operation directional drilling drillstem testing well control reservoir geomechanics geological subdiscipline real time system proppant production string...
Proceedings Papers
Versatile Intelligent Circulating Tool to Mitigate Drilling Risks in Highly Depleted Formations
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 5–8, 2025
Paper Number: OTC-35597-MS
..., balancing mud weight is critical to prevent this from happening. Other uncertainty includes losses, which may trigger well control situation. This paper discusses the value presented to overcome these challenges by utilizing a versatile remotely activated downhole tool for flow diversion into the annulus...
Proceedings Papers
Look Ahead: Optimization of Well Operations Using Real Time Digital Twin for Well Integrity
Available to PurchaseP. E. Aranha, C. O. De Souza, L. F. Ferrarezi, F. Valore, F. L. De Oliveira, M.V. dos Santos, C. N. Donatti, H. U. S. Mendes, J. P. N. de Araújo, S. L. Souza Neto
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 5–8, 2025
Paper Number: OTC-35617-MS
... wellbore integrity well control production monitoring subsea system production control floating production systems real time system scenario operation flow rate instant casing partial evacuation increase production flow rate lookahead scenario well safety factor profile instant production...
Proceedings Papers
Rigless Abandonment Strategy for Deepwater Field – Case Study for Bonga End of Field Life
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 5–8, 2025
Paper Number: OTC-35642-MS
... investments. geologist casing and cementing completion equipment geology production enhancement annular pressure drilling abandonment well intervention coiled tubing operations well decommissioning completion installation and operations downhole intervention well control subsea system...
Proceedings Papers
Predicting Remaining Useful Life of Well Tubulars: A Reliability-Based Approach
Available to PurchaseL. P. Ribeiro Almeida, L. P. Gouveia, T. B. Silva, E. T. Lima Junior, J. P. Lima Santos, D. Colombo, V. de Melo Santanna, A. L. S. Abrego
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 5–8, 2025
Paper Number: OTC-35661-MS
... design and monitoring practices. geologist scenario casing and cementing geology annular pressure drilling wellbore design drilling equipment casing design operational safety artificial intelligence wellbore integrity well control drilling tool drill string component machine learning...
Proceedings Papers
First Heavy Workover on Intelligent Completion in Santos Basin Pre-Salt
Available to PurchaseR. H. Pereira, C. Cisneiros, E. Schnitzler, I. M. Sales, N. J. Armani, R. L. Almeida, R. Roman, R. S. Rosa, W. M. Ascaneo
Publisher: Offshore Technology Conference
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
Effectiveness of Riserless Casing Drilling for Deepwater Hazards Mitigation: A Risk Assessment
Available to PurchasePublisher: Offshore Technology Conference
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
MPD Deepwater Evolution and Interinstitutional Development
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35301-MS
... the construction of wells with almost inexistent 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...
Proceedings Papers
Assurance Process and Technology for Riserless Interventions on Subambient Subsea Wells
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35291-MS
... This ad hoc process resulted in multiple operational issues during early deepwater RLWI operations, including hydrate formation in well control equipment (lubricator and pressure control head flowtubes), circulation hose collapses, and gauge failures. Due to these failures, a defined assurance...
Proceedings Papers
3D Printing Used to Remedy Drilling Total Lost Circulation Events
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35154-MS
... bore is being drilled. Lost Circulation events can 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...
Proceedings Papers
Using Worst Case Discharge (WCD) Estimations to Prevent Underground Blowouts After Well Capping
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35260-MS
... properties. Modern data analytics can be used to derive universally-applicable (play-agnostic) expressions presented in a practical format, easy for well control engineers to use in post-blowout decision-making, or even in pre-spudding contingency planning. It has to be noted that this study did not assess...
Proceedings Papers
Production Optimization in Bonga Deepwater Through Rigless Intervention
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35218-MS
... drilling waterflooding drilling equipment project management strategic planning and management well intervention well control stimulation intervention operation suspension plug abandonment operation execution field support vessel enhanced recovery plug packer reservoir abandonment...
Proceedings Papers
Drilling Practices, New Technologies and Well Integrity in Brazilian Pre-Salt Wells: A 15 Year Review and Performance Evolution
Available to PurchaseR. A. Tomita, A. G. L. G. dos Passos, D. L. de Resende, F. M. de Lima, M. C. Weidlich, R. P. M. Moreira
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35255-MS
... selection petrobras santos basin diameter completion installation and operations offshore technology conference configuration paper reservoir characterization evolution implementation structural geology packoff texas salt tectonics well control reduction brazilian pre-salt well houston...
Proceedings Papers
Blowout Contingency Decision-Making Leveraging Pressure Modeling: Cap-And-Restrain or Cap-And- Divert?
Available to PurchasePublisher: Offshore Technology Conference
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
Buzios: The Development of Well Construction in a Giant Pre-Salt Field
Available to PurchasePublisher: Offshore Technology Conference
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
Broachment Studies Considering Fracture Propagation in a Well Containment Analysis
Available to PurchasePublisher: Offshore Technology Conference
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
A Comprehensive Evaluation of Properties of Common and Regional Cement Formulations from a Well Integrity Standpoint
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32419-MS
... 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 strength ofori-sarpong cement slurry oilwell cement...
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