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581
Polymeric Membranes for H<sub>2</sub>S and CO<sub>2</sub> Removal from Natural Gas for Hydrogen Production: A Review
Published 2023-07-01“…The landscape of the gas processing industry is set to change in the near future with the development of highly acidic sour gas wells. Natural gas purification constitutes a major share of the gas separation membrane market, and the shift to low-quality sour gas wells has been mirrored in the trends of membrane material research. …”
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582
Green Corrosion Inhibitors : Theory and Practice /
Published 2011“…Examples given in this book include: oil and gas wells, petrochemical plants, steel reinforced cement, water cooling systems, and many more. …”
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583
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584
Optimized long short-term memory (LSTM) network for performance prediction in unconventional reservoirs
Published 2022-11-01“…However, daily production prediction of tight gas wells relies on many factors and complex variation patterns exist, which makes it difficult to predict using conventional methods. …”
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585
An enhanced expanding and shift sparse array based on the coprime array and nested array
Published 2024-03-01Get full text
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586
Study and application of temporary plugging agent for temporary plugging acid fracturing in ultra-deep wells of Penglai gas field
Published 2023-03-01“…After acid fracturing, gas wells can only produce 120,000 cubic meters of natural gas per day. …”
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587
80,000 Inactive Oil Wells: A Blessing or a Curse?
Published 2017-07-01“…For a century, oil and gas wells have been Alberta’s economic pride. That there could be a hidden cost in maintaining these wells past their productive life is difficult to imagine, much less accept. …”
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588
80,000 Inactive Oil Wells: A Blessing or a Curse?
Published 2017-07-01“…For a century, oil and gas wells have been Alberta’s economic pride. That there could be a hidden cost in maintaining these wells past their productive life is difficult to imagine, much less accept. …”
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589
Characterization and Analysis of Corrosion Resistance of Rubber Materials for Downhole Tools in a High-Stress Environment with Coupled H<sub>2</sub>S-CO<sub>2</sub>
Published 2024-02-01“…In the process of constructing deep natural gas wells in Sichuan and Chongqing, gas wells encounter various technical challenges such as high temperature, high pressure, and a corrosive environment containing H<sub>2</sub>S and CO<sub>2</sub>. …”
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590
Study on Fracture Failure Behavior of Super 13Cr Tubing Caused by Deposited Corrosion
Published 2023-03-01“…Fracture failure of super 13Cr can occur in complex and harsh environments such as high temperature, high pressure, and corrosive gas wells, which damages the economic benefit of oil and gas development and also poses a great threat to wellbore integrity. …”
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591
Automatic History Matching of Parent-Child Wells in Shale Gas Reservoirs with Complex Fracture Hits
Published 2022-02-01“…Specifically, we established a field-scale reservoir model that includes parent-child shale gas wells with fracture hits in the Sichuan basin. …”
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592
Effect of pore structure on the seepage characteristics of tight sandstone reservoirs: A case study of Upper Jurassic Penglaizhen Fm reservoirs in the western Sichuan Basin
Published 2017-01-01“…The sealed gas may reduce the production rate of gas wells significantly, and the existence of water phase may reduce the gas permeability greatly; consequently, the water-bearing low-permeability tight sandstone gas reservoirs reveal serious water production, highly-difficult development and low-recovery percentage at the late stage, which have adverse impacts on the effective production and development of gas wells.…”
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593
Probabilistic Groundwater Flow, Particle Tracking and Uncertainty Analysis for Environmental Receptor Vulnerability Assessment of a Coal Seam Gas Project
Published 2020-11-01“…Groundwater flow in the aquifers intersected by gas wells could potentially facilitate a transport pathway for migration of contaminants or poorer quality water from deeper formations. …”
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594
Hydration characteristics and mechanism study of artificial fracture surface in illite rich shale gas reservoir: A case study of Longmaxi formation shale in Yongchuan District
Published 2023-12-01“…With high clay content in shale gas reservoir, the hydration is easy during hydraulic fracturing, which will affect the fracture conductivity and productivity of gas wells. The illite content of the Longmaxi formation shale in Yongchuan District is high (more than 80% of clay mineral content), and gas wells have a high productivity after fracturing and shut-in. …”
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595
A physical model for calculating cementing quality based on the XGboost algorithm
Published 2022-04-01“…This article reports a physical model based on the XGboost algorithm to solve the cementing quality prediction problem of oil and gas wells. Through the physical model, the nonlinear, time-varying, and uncertain influencing factors, the high latitude of the data set, the lack of data, data imbalance and other characteristics are comprehensively analyzed. …”
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596
Effective concentration of the biocide injected for chemical control of biogenic H2S in producing formations
Published 2006-10-01“…The results of calculations of efficient concentrations for two field tests in gas wells are reported.…”
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597
Prospect of shale gas recovery enhancement by oxidation-induced rock burst
Published 2017-11-01“…By horizontal well multi-staged fracturing technology, shale rocks can be broken to form fracture networks via hydraulic force and increase the production rate of shale gas wells. Nonetheless, the fracturing stimulation effect may be offset by the water phase trapping damage caused by water retention. …”
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598
Application of precise MPD & pressure balance cementing technology
Published 2018-03-01“…It is concluded that this method can enhance the liner cementing quality of complex ultradeep gas wells and improve the wellbore conditions for the later safe well tests of high-pressure gas wells. …”
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599
Design and plugging property of composite pressure activated sealant
Published 2020-10-01“…In conclusion, these results can provide theoretical and technical support for the development and application of novel multifunctional sealants in oil & gas wells.…”
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600
Horizontal well fracturing mode of 'increasing net pressure, promoting network fracture and keeping conductivity' for the stimulation of deep shale gas reservoirs: A case study of...
Published 2019-10-01“…In addition, the improved fracturing mode and technology were applied in 3 deep shale gas wells in the Dingshan area. And the following research results were obtained. …”
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