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Keywords: drilling
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Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35031-MS
... Abstract The benefits of casing drilling are decreased lost circulation, increased wellbore strength, and immediate dynamic kill capabilities. These all improve the mitigation of shallow flows and reduce wellbore instability and so increase the confidence in drilling the riserless section...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35066-MS
... Abstract Conventional rotary drilling techniques employed in crude oil and natural gas extraction present notable challenges and financial burdens. To mitigate these obstacles and minimize drilling expenditures, oil enterprises are investigating innovative cost-saving approaches. Laser...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32209-MS
... united states government pore pressure drilling upstream oil & gas reservoir characterization calculation reservoir geomechanics interpretation artificial intelligence machine learning input data calculate pore pressure real time pore pressure calculation drill bit traditional...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31832-MS
... Abstract The pre-salt reserves offshore from Santos basin represent a great opportunity and probably the most important recent oil discovery in Brazil. These carbonate reservoirs are currently drilled with various types of drill bits, and have proven to be a challenging environment. Since...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31883-MS
... in the density of the of production and injection well pattern; increase in well performance, through the design of lower cost wells, application of new technologies, both in the drilling of wells and in elevation and drainage; adopting more sophisticated geophysical and geological modeling of reservoirs...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31939-MS
... applied optimization zbb analysis drilling Introduction One of the most important parts of a well design, which directly affects the feasibility of the projects, is its duration estimate, under which the budget is carried out. Thus, a lot of work is dedicated to obtaining these estimates...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31093-MS
... Abstract The objective of the paper is to describe the application of artificial intelligence software to predict formation evaluation logs (compressional sonic, shear sonic and density) using only gamma ray, and resistivity log data and drilling dynamics data as received by the electronic...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30569-MS
... Abstract Due to the special working environment, offshore drilling operation faces multiple challenges such as narrow pressure margin, difficulty in detecting down hole conditions and high operational risk. A new managed pressure drilling equipment is developed and named as pressure control...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30606-MS
... characterization remediation of hydrates offshore technology conference drillstem/well testing fpso facility enhancement justification methanol treatment asset team hydrate remediation oilfield chemistry drillstem testing drilling engineering evaluation scale remediation scale inhibition methanol...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30653-MS
... Abstract Lost circulation is one of the frequent challenges encountered in the well drilling and completion process, which can not only increase well construction time and operational cost but also pose great risk to the formation. However, choosing the most useful treatments may still...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30811-MS
... Abstract This paper demonstrates how an operator mitigated a hazardous pore pressure drilling risk using a technology that was new to the operator. The Seismic While Drilling (SWD) increased safety and efficiency at lower cost over commonly used alternatives. In 2019 MOL Norge AS drilled...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30900-MS
... Abstract Applied annular pressure, for both managed pressure and underbalanced drilling, was born on land decades ago. In fact, the first Rotating Control Device (RCD), the critical component, dates as far back as the 1930's. Simply closing the annulus around the drillstring, and "bottling up...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30508-MS
... field applications in similarly complex wells. The new model allowed drilling personnel to identify the parameters most likely to induce fractures. Equivalent circulating density (ECD) had the most impact, followed by minimum horizontal stress, Young’s modulus, fracture length, and Poisson’s ratio...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30815-MS
... Deep water projects are presently complex, where more drilling challenges can be encountered and higher uncertainty increases the risk of problems during the well construction phase, especially due to the narrow pressure window environments. Managed Pressure Drilling (MPD) is one...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30853-MS
... Abstract Pertamina EP is an Indonesian national oil company which subsidiaries of PT Pertamina (Persero). For nearly 60 years, the Pertamina EP drilling area has been located onshore. In September 2017, Pertamina EP successfully conducted a Poleng N-2 well as the first drilling operation...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30856-MS
... is achieved in PNPR cluster, historically and in near future. Ever since first production by PX and NX in 2004, infill drilling campaigns have been needed to sustain production above the economic limit of 5,000 bopd. Later in 2009, approximately a year after PR kicked off its first oil; the14 km pipeline...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30469-MS
.... That program included reorganization and realignment of programs completed in 1994, when a transition began to a gas supply program focused on tools, techniques, and methods for imaging and diagnostics; the drilling, completion, and stimulation (DCS) program, and gas storage. [National Research Council 2001...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30904-MS
... for innovative concept designs to conduct necessary pilots and qualification. Collaboration between cross-functional project teams – construction, drilling, testing, and production – is examined from the economic delivery of several challenging wells under various environmental challenges and constraints...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30594-MS
... South China Sea is one of the offshore HPHT region, with the maximum 2.38 pressure coefficient, 480 degF bottom temperature and 50% CO 2 . The drilling and completion are challenging problems. This paper reviews the past 20 years' researches and practices in South China Sea HPHT area. Based...

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