Results 31 to 40 of about 26,802 (120)

Implementations of star evaluation management model in complex high water-cut gas field during its integrated development of geological engineering

Youqicang pingjia yu kaifa, 2021
Poor reserve quality, high water-cut and high investment cost have become the bottleneck of developing Dongsheng Gas Field located in Ordos Basin. In this way, the star evaluation management model is put forward to enhance its production performance.
LIU Xiaobo, ZHOU Yongyi, WANG Zhi, LEI Tao, WANG Xiang, YOU Qidong, CAO Tongsheng, CHEN Kui, LIU Tao, YU Yaonan   +9 more
doaj  

Study of texture changes in the emptiness of rocks under the tension conditions by electron microscopy methods

Georesursy
On the example of an oil deposit of the Vereisk age which is one of the deposits in the Volga-Urals, lithotypes of rocks are distinguished, characterized by a fundamentally different structure of the void space.
B. M. Osovetsky, K. P. Kazymov, I. Y. Kolychev, Ya. V. Savitckii, S. V. Galkin   +4 more
doaj   +1 more source

Volume fracturing technology of deep shale gas in southern Sichuan

Youqicang pingjia yu kaifa, 2021
Due to the deep buried depth（3 500～4 200 m）, high ground stress, high ground stress discrepancy（7 to 17 MPa）, low reservoir brittle（< 0.5）and the undeveloped natural fracture, the hydraulic fracture of Weirong deep shale gas face the problems of high ...
Wang Xingwen, Lin Yongmao, Miao Weijie
doaj  

Discrimination criteria for interaction behavior between hydraulic fractures and natural fractures based on energy balance principle

Youqi dizhi yu caishoulu
The interaction between hydraulic fractures and natural fractures has an important influence on the distribution and complexity of fracture networks after fracturing.
ZHANG Wang, ZHAO Haifeng, SHI Hongwei, WANG Zongfei   +3 more
doaj   +1 more source

Selection and assessment of filtration-capacitive parameters for clay reservoirs

Наука. Инновации. Технологии, 2022
Consideration is given to the selection and assessment of filter-capacitive parameters of clay reservoirs, substantiation of oil-gas-saturated thickness and permeability of reservoirs.
Ramiz Aliyevich Gasumov
doaj  

Evaluation of quality of experimental white‑grain rice populations in accelerated breeding by grain size and vitreosity

Siberian Journal of Life Sciences and Agriculture
Background. In marker-assisted rice breeding, the accelerated development of varieties with superior grain quality traits through advanced biotechnological approaches requires the generation of segregating rice populations followed by phenotyping of ...
Natalya G. Tumanyan, Elina Yu. Papulova, Liana M. Lalayan, Svetlana S. Chizhikova, Tatyana B. Kumeiko   +4 more
doaj   +1 more source

Numerical Analysis of Pulsed Eddy Current Testing for Erosion Defects of High-pressure Manifold

Shiyou jixie, 2023
In fracturing operation, erosional damage easily occurs in high-pressure manifold running for a long time under bad working conditions, and the online testing of high-pressure manifold is particularly important to ensure safe production.Based on pulsed ...
Li Jie, Fan Jianchun, Zhang Dangsheng, Yang Siqi, Dai Siwei   +4 more
doaj  

Mixing characteristics in perforation due to the delivery of combustion-supporting agent by jet for in-situ combustion of methane fracturing

Meitan xuebao
As a disruptive reservoir stimulation technology in unconventional natural gas development, in-situ methane combustion fracturing generates complex fracture networks through high-temperature and high-pressure shockwaves produced by the combustion of ...
Chengzheng CAI, Ya’nan GAO, Mingzhong GAO, Zhixiang TAO, Weifu SUN, BO WANG, Zhengchao ZHU, Zengxin ZOU   +7 more
doaj   +1 more source

Development and Laboratory Test of All-Metal Bridge Plug for Ultra-High Temperature Environments

Shiyou jixie, 2023
Soluble bridge plugs are deficient for low compressive strength,slow degradation rate,and inapplicability to ultra-high temperature environment.For these problems,an innovative design of all-metal bridge plug for ultra-high temperature environments was ...
Cheng Yuxiong, Wu Guang'ai, Wu Shiyun, Wang Li, Jiang Xu, Gu Peng   +5 more
doaj  

The Solution of Massive Hydraulic Fracturing of Shale Gas in China

Shiyou jixie, 2018
According to the characteristics of shale gas exploration and development in China, through the analyses of the massive shale gas fracturing complete equipment in North America and the geographical distribution of shale gas in China, solution of ...
Zhang Shuli, Li Xincheng
doaj