Search Results - "Cai, Jihua"
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Experimental study of the pomelo peel powder as novel shale inhibitor in water-based drilling fluids
Published in Energy exploration & exploitation (01-03-2020)“…The hydration and swelling of shale is a persistent challenge in the drilling of oil and gas wells. Many methods of reducing shale hydration and swelling have…”
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A method of determining osmotic pressure for low-clay shale with different salt ions considering effect of dynamic permeability on flow
Published in Engineering geology (20-12-2021)“…Fluid penetration from water-based drilling fluids into shale formations results in swelling and subsequent borehole instability. Generally, inorganic or…”
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Influence of salt solutions on the permeability, membrane efficiency and wettability of the Lower Silurian Longmaxi shale in Xiushan, Southwest China
Published in Applied clay science (15-06-2018)“…The transmission of pore pressure is considered as one of the primary factors of wellbore instability in shales. Environmental and economic considerations make…”
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Research and Application of High-Pressure Rotary Jet Method in the Seepage Treatment of Heavy Metal Tailing Ponds of Southwest China
Published in Materials (28-04-2023)“…The developed karst caves may become the seepage channels of heavy metal to the soil and underground water in Southwest China. Therefore, it is necessary to…”
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Design and Evaluation of a Surfactant–Mixed Metal Hydroxide-Based Drilling Fluid for Maintaining Wellbore Stability in Coal Measure Strata
Published in Energies (Basel) (2019)“…Co-exploitation of coal measure gases (coalbed gas, shale gas, and tight sandstone gas) puts a higher requirement on drilling fluids. Conventional drilling…”
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2D Numerical Simulation of Improving Wellbore Stability in Shale Using Nanoparticles Based Drilling Fluid
Published in Energies (Basel) (01-05-2017)“…The past decade has seen increased focus on nanoparticle (NP) based drilling fluid to promote wellbore stability in shales. With the plugging of NP into shale…”
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Effects of L-glutamic acid, N, N-diacetic acid as chelating agent on acidification of carbonate reservoirs in acidic environments
Published in Journal of natural gas science and engineering (01-10-2020)“…For matrix acidification in carbonate reservoirs, the use of chelating agents can avoid the problems associated with conventional acids, such as excessive…”
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Mechanisms of Acid- and Chelating Agent-Induced Coal Permeability Response Considering the Stress Sensitivity Effect
Published in Energy & fuels (15-12-2022)“…Chemical stimulation is a promising method for enhancing coalbed methane (CBM) recovery. Since conventional acids may cause formation damage and severe…”
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Modeling of nanoparticle fluid microscopic plugging effect on horizontal and vertical wellbore of shale gas
Published in Energy (Oxford) (15-01-2022)“…Shale gas is an important part of realizing the modern multi-energy system as a kind of unconventional energy with huge reserves for human energy needs. Adding…”
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CFD and DEM modelling of particles plugging in shale pores
Published in Energy (Oxford) (01-05-2019)“…Nanoparticles plugging effect has recently been recognized in shale cores. However, the motional discipline and plugging efficiency of different nanoparticles…”
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Experimental study on water-based drilling fluid for horizontal wells
Published in Energy sources. Part A, Recovery, utilization, and environmental effects (31-12-2024)“…High-yield shale gas flow has been discovered in the Cambrian Shuijingtuo group shale (the Shuijingtuo shale) of the first shale gas well of Yichang, West…”
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Nanoparticle plugging prediction of shale pores: A numerical and experimental study
Published in Energy (Oxford) (01-10-2020)“…The combination of energy modeling and nanotechnology has been receiving increasing attention. Researchers have discovered that nanoparticles can plug shale…”
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Experimental study on the stabilization and anti-seepage treatment of lead and zinc elements in heavy metal tailings pond using cement slurry containing heavy metal stabilizing agent
Published in Construction & building materials (26-04-2024)“…The release of heavy metal elements in heavy metal tailings ponds not only causes environmental pollution but also poses potential hazards to human health…”
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Experimental research of convective heat transfer between nanofluids and high-temperature dense granite in deep geothermal reservoirs
Published in Renewable energy (01-11-2024)“…Global warming is increasing as CO2 emissions from the use of conventional fossil fuels continue to rise. The development of geothermal energy is gradually…”
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Environmentally friendly comprehensive recycling utilization technology of foundation engineering slurry
Published in Construction & building materials (03-03-2023)“…•Foundation engineering waste slurry was recycled for eco-friendly utilization.•Drill cuttings and mud cakes become soil material after rapidly…”
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Sealing characteristics and discrete element fluid dynamics analysis of nanofiber in nanoscale shale pores: Modeling and prediction
Published in Energy (Oxford) (15-06-2023)“…The nanoscale pores in shale oil and gas are often filled with external nanomaterials to enhance wellbore stability and improve energy production. And there…”
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Dissolution behaviour of different rank coals in L‐glutamic acid N, N‐diacetic acid chelating agent: Implications to enhance coalbed methane recovery by acid stimulation
Published in Canadian journal of chemical engineering (01-06-2022)“…Acid stimulation is a promising method in improving coal seam permeability by demineralization in coal cleats. However, using conventional acids such as HCl…”
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Environmental-friendly salt water mud with nano-SiO2 in horizontal drilling for shale gas
Published in Journal of petroleum science & engineering (01-07-2017)“…Oil-based muds (OBMs) have been widely used in horizontal drilling for shale gas, but environmental pressure is increasingly intensified. Using silica…”
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Migration of mineral particles and mechanism of injection plugging during CO2 geological storage in low-permeability reservoirs
Published in Méitàn xuébào (01-07-2023)“…CO2 geological storage in low-permeability sandstone reservoirs is one of the effective means to realize CO2 capture, utilization and storage (CCUS). As CO2…”
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Chelating agent-introduced unconventional compound acid for enhancing coal permeability
Published in Journal of petroleum science & engineering (01-04-2021)“…The low permeability of coalbed methane (CBM) reservoirs can be attributed to cementing minerals, which make it difficult for water/gas to flow in the pores…”
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