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Status and Prospect of Drilling Fluid Loss and Lost Circulation Control Technology in Fractured Formation [PDF]
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
doaj +4 more sources
Experimental Study on Physicochemical Properties of a Shear Thixotropic Polymer Gel for Lost Circulation Control [PDF]
Gels, 2022 Polymer gel lost circulation control technology is a common and effective technique to control fractured lost circulation. The performance of a lost circulation control agent is the key to the success of lost circulation control techniques. In this study,
Jingbin Yang +5 more
doaj +4 more sources
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
doaj +3 more sources
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 +2 more sources
Preparation and Performance Evaluation of a Lost-Circulation-Control Gel for Fractured Formations [PDF]
GelsTo address the dual challenges of severe lost circulation and wellbore instability in fractured formations, an acrylamide-based lost-circulation-control gel (DF-PG) was synthesized via aqueous-solution free radical polymerization using acrylamide (AM ...
Yundong Zheng +7 more
doaj +2 more sources
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
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
doaj +3 more sources
Petroleum, 2022 Working fluids loss is a major contributor to low productivity during production process of fractured tight reservoirs. Lost circulation control effect directly related to the tribological behavior between fracture surface and lost circulation materials (
Chengyuan Xu +6 more
doaj +1 more source
Influence of Migration and Plugging of Nanoparticles on Coal Permeability in Coal Reservoirs
Geofluids, 2021 The plugging of nanopores in low-permeability coal reservoirs is an important factor that affects productivity reduction. However, the mechanism of plugging of the nanopores in coal reservoirs remains unclear.
Xiaopeng Zhai +9 more
doaj +1 more source
Gels, 2022 With the development of oil exploration, the number of complex situations encountered in the drilling process is continuously increasing. During the operation of large displacement and horizontal wells, the safe density window of drilling fluid is narrow
Junwei Fang +5 more
doaj +1 more source