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Preparation of oligosaccharide CQ01 and its lubricity in drilling fluid [PDF]

open access: yesE3S Web of Conferences, 2022
Based on its good water solubility, temperature resistance and environmental protection, oligosaccharides are widely used in food and beverage, baking and medical care.
Wang Qingchen   +4 more
doaj   +1 more source

Drilling performance analysis of impregnated micro bit [PDF]

open access: yesMechanical Sciences, 2022
The cutting mechanical properties of impregnated diamond bit depend on the performance of its cutting elements. Aiming at the factors affecting the cutting element performance of impregnated diamond bit, the laboratory rock breaking experiment of ...
D. Song   +11 more
doaj   +1 more source

Drilling practice Zhongzihao gas exploration well in the thrust belt of the western margin [PDF]

open access: yesE3S Web of Conferences, 2022
The geological structure of Zhong-7 well and Zhong-14 well is the Hengshanpu section of the thrust belt in the western margin of the Ordos Basin, and there have been few construction wells in this area in the past two years.
Wang Hao, Wei Yan
doaj   +1 more source

Study on ammonium-promoted phenol-formaldehyde-based gel for enhanced oil recovery and its seepage characteristics in porous media [PDF]

open access: yesMATEC Web of Conferences, 2022
The phenol-formaldehyde crosslinker has low reactivity at low temperature, and is not easy to occur crosslinking reaction. In order to solve this problem, a kind of ammonium-promoted phenol-formaldehyde-based gel profile control agent was constructed ...
Wang Hongshen   +7 more
doaj   +1 more source

Geochemical characteristics and genesis of coalbed methane in Baode area on the eastern margin of Ordos Basin [PDF]

open access: yesE3S Web of Conferences, 2020
The degree of coalbed methane exploration and development now in Baode area is relatively low. The lack of systematic understanding of the formation of coalbed methane in this area restricts the further exploration and development of coalbed methane ...
Hu Weiqiang   +12 more
doaj   +1 more source

Research of “double desserts” seismic prediction method for tight sandstone - Taking Linxing block on the east edge of Ordos Basin as an example [PDF]

open access: yesE3S Web of Conferences, 2020
The determination of the sweet spot of tight sandstone reservoir is the primary problem in the exploration and development of tight sandstone reservoir.
junlin Zhang   +5 more
doaj   +1 more source

Synthesis of a copolymerization and the anti-high temperature property in oil well cement slurry fluid [PDF]

open access: yesMATEC Web of Conferences, 2022
Four monomers including AMPS, acrylic acid (AA), N,N-dimethylacrylamide (DMAA), and sodium allylsulfonate (AS) were used to synthesize quaternary fluid loss reducer (FRW) through copolymerization.
Wang Wenbin, Wan Xiangchen, Tang Kai
doaj   +1 more source

Drilling Fluid Technology for the Third Interval of Sunan 23-113H2 Well [PDF]

open access: yesE3S Web of Conferences, 2022
In the construction process of Sunan 23-113H2 well, there wasYanchang well, Liujiagou well and Shihezi well, when passing through the well, the mudstone collapse of the large slope section caused the difficulty of reaming off, after repeated reaming off,
Wang Hao, Wei Yan
doaj   +1 more source

Advances in Laser Drilling of Structural Ceramics

open access: yesNanomaterials, 2022
The high-quality, high-efficiency micro-hole drilling of structural ceramics to improve the thermal conductivity of hot-end parts or achieve high-density electronic packaging is still a technical challenge for conventional processing techniques. Recently,
Xianshi Jia   +4 more
semanticscholar   +1 more source

Improvement and application of drilling fluid technology for gas exploration wells in Yanchi block [PDF]

open access: yesE3S Web of Conferences, 2022
Currently, the exploration and development scope of Changqing oilfield has gradually developed to edge blocks and deep systems, typically of Yanchi block.
Wang Hao, Wei Yan
doaj   +1 more source

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