Results 11 to 20 of about 53,909 (251)
Smart lost circulation materials for productive zones [PDF]
Journal of Petroleum Exploration and Production Technology, 2018 Lost circulation has been a serious problem while drilling that may lead to heavy financial costs in the form of lost rig time and lost mud fluid. In severe cases, it can lead to well blowout with serious environmental hazards and safety consequences ...
Ahmed Mansour +4 more
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Reducing Lost Circulation Problem by Using Rice Material
Journal of Engineering, 2016 Drilling fluid loss during drilling operation is undesirable, expensive and potentially hazardous problem. Nasiriyah oil field is one of the Iraqi oil field that suffer from lost circulation problem.
Ayad Abdulhaleem A.Razzaq +1 more
doaj +5 more sources
UCST-Activated Network Reinforcement in Hybrid Microgels for Smart Plugging [PDF]
GelsConventional polymer-based plugging materials often fail in deep-well environments due to passive thermal softening and network relaxation, which significantly compromise mechanical integrity and interfacial retention.
Mingliang Du +5 more
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Evaluation of Lost Circulation Material Sealing for Geothermal Drilling
EnergiesLost circulation is a pervasive problem in geothermal wells that can create prohibitive costs during drilling. The main issue with treatment is that the mechanism of plug formation is poorly understood.
William Kibikas +7 more
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Gels, 2022 Lost circulation in fractured formation is the first major technical problem that restricts improvements in the quality and efficiency of oil and gas drilling engineering.
Jingbin Yang +5 more
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Drilling Fluid and Cement Slurry Design for Naturally Fractured Reservoirs
Applied Sciences, 2021 For years, drilling engineers have been faced with the challenge of drilling wells through naturally fractured reservoirs that are present around the world. During drilling, the pressure at the bottomhole of a well is frequently intentionally higher than
Nediljka Gaurina-Međimurec +3 more
doaj +1 more source
Mathematical Simulation of Lost Circulation in Fracture and Its Control
Geofluids, 2021 Lost circulation has been one of the major problems that impede efficient and cost-saving drilling operations. The nature of lost circulation and its control is not yet fully understood.
Xiao Cai +3 more
doaj +1 more source
Experimental Study to Investigate the Effect of Polyacrylamide Gel to Reduce the Lost Circulation
Iraqi Journal of Chemical and Petroleum Engineering, 2023 One of the challenging issues encountered during drilling operations is the lost circulation. Numerous issues might arise because of losses, such as wasting of time and higher drilling cost.
Ali K. Al-Delfi +3 more
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A self-breaking supramolecular plugging system as lost circulation material in oilfield
Open Chemistry, 2020 Lost circulation is a frequently encountered problem during workover operations of a low-pressure reservoir. Many lost circulation materials (LCM) have been used to solve the problem, but various disadvantages still exist, for example, oil-soluble ...
Zhang Hanshi, Jiang Guancheng
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Frontiers in Physics, 2022 Lost circulation is one of the most significant contributors to wellbore instability and causes an increase in drilling operation costs. It is also a major contributor to the nonproductive time and must be minimized for improved economic and operational ...
Saleh A. Alhaidari +2 more
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