Preparation and Performance of Resin-Gel–Rubber Expandable Lost Circulation Material Blend [PDF]
Gels, 2023 Aiming at the complex strata, lost circulation often occurs. and lost circulation control becomes a difficult issue. A drilling fluid loss accident delays the drilling progress and even causes major economic losses.
Jinzhi Zhu +4 more
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Petroleum Exploration and Development, 2021 By reviewing the mechanisms of drilling fluid lost circulation and its control in fractured formations, the applicability and working mechanisms of different kinds of lost circulation materials in plugging fractured formations have been summarized ...
Jinsheng SUN +8 more
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Development and Application of Oil-Based Thermo-Responsive Gel Lost Circulation Material SBR−g−PSA [PDF]
GelsLost circulation of oil-based drilling fluids (OBDFs) in deep, fractured formations remains a critical challenge, primarily due to the poor retention and low pressure-bearing capacity of conventional materials on oil-wet rock surfaces. To bridge this gap,
Zhimin Liu +6 more
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Bridging performance of new eco-friendly lost circulation materials
Petroleum Exploration and Development, 2018 Lost circulation is one of the most important concerns of the drilling industry, causing excessive expenditure and increasing the non-productive drilling time.
Alireza NASIRI +4 more
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Study on Synthesis and Performance of a Hybrid Crosslinked Composite Gel for High-Temperature Lost Circulation Control [PDF]
GelsConventional chemical gel plugging materials often suffer from poor high-temperature stability and inadequate mechanical properties. To address these issues, this study developed a high-performance composite gel material using a multi-component hybrid ...
Jiangang Shi +7 more
doaj +2 more sources
Journal of Petroleum Exploration and Production Technology, 2023 The problem of lost circulation occurred long during the drilling operation. Through induced and natural fractures, huge drilling fluid losses lead to higher operating expenses during the drilling.
Behzad Elahifar, Erfan Hosseini
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Preparation and High-Temperature Fracture-Sealing Performance of an Oil-Absorbing Swelling Gel for Lost-Circulation Control in Oil-Based Drilling Fluids [PDF]
GelsLost circulation in fractured formations remains challenging for oil-based drilling fluids because conventional rigid bridging materials can be sensitive to fracture geometry and form porous seals.
Kun Zhang +8 more
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Petroleum Exploration and Development, 2019 To effectively solve the problem of lost circulation and well kick frequently occurring during the drilling of abnormally high temperature and pressure fractured-vuggy reservoirs in the Tazhong block, a rigid particle material, GZD, with high temperature
Xiaoming SU +5 more
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Preparation and Performance Evaluation of a Supramolecular Gel Plugging Agent for Severe Lost Circulation Gas Reservoirs [PDF]
GelsThe plugging of fractured gas reservoirs with severe lost circulation during oil and gas drilling and production has long been challenged by technical issues such as low plugging strength and short effective duration.
Yingbiao Liu +7 more
doaj +2 more sources
High-Temperature-Resistant Composite Lost Circulation Materials for Oil-Based Drilling Fluids: Preparation, Performance, and Synergistic Mechanism [PDF]
MoleculesLost circulation in oil-based drilling fluids (OBDFs) under high-temperature conditions remains a significant challenge in deep and ultra-deep drilling.
Yue Gao +5 more
doaj +2 more sources