This study investigated the micro-sliding frictional behavior of shale in fracturing fluids under varying operational conditions using Chang 7 shale oil reservoir core samples.Through systematic micro-sliding friction...
This study was supported by the Foundation of National Engineering Laboratory for Exploration and Development of Low-Permeability Oil and Gas Fields(2023-015).
Hydraulic fracturing is a crucial technique for efficient development of coal reservoirs.Coal rocks typically contain a high density of natural fractures,which serve as conduits for fracturing fluid.Upon injection,the...
Sichuan Science and Technology Program(2022YFG0077)。
During the operation of the rice combine harvester,the fuselage tilts due to the tilt and unevenness of the ground affect its maneuverability and operational reliability.Aiming at the problem of leveling due to the ti...
Aiming at the problems of difficulty in balancing construction efficiency and quality,as well as the high safety risks of working at heights during the construction of main piers for highway bridges,this study takes a...
financially supported by the National Natural Science Foundation of China(Grant Nos.52071094 and 51979065).
In this work,an oscillating-body wave energy converter(OBWEC)with a hydraulic power take-off(PTO)system named“Dolphin 1”is designed,in which the hydraulic PTO system is equivalent to a transfer station and plays a c...
Supported by the National Natural Science Foundation of China(52274051);CNPC-China University of Petroleum(Beijing)Strategic Cooperative Project(ZLZX2020-01).
In order to identify the development characteristics of fracture network in tight conglomerate reservoir of Mahu after hydraulic fracturing,a hydraulic fracturing test site was set up in the second and third members o...
In Niger, irrigated agriculture constitutes the main alternative for meeting family needs. It is within this framework that the state and its partners have adopted strategies to promote irrigated production sites. Thi...
supported by the National Natural Science Foundation of China(Grant No.41925012);Key task project for joint research and development of the Yangtze River Delta Science and Technology Innovation Community(Grant No.2022CSJGG1200);State Key Laboratory for GeoMechanics and Deep Underground Engineering(Grant No.SKLGDUEK2214).
This study proposed a repeated adjustable mixture injection strategy(RAM)based microbial induced carbonate precipitation(MICP)for efficient mitigation of rock fracture leakage.Granite fractures with small apertures we...
supported by the National Natural Science Foundation of China (Nos. 42027801, 42072284, and 42372297);the National Key Research and Development Program of China (Nos. 2023YFC3012102 and 2021YFC2902004);the Fundamental Research Funds for the Central Universities (No. 2023ZKPYSH01)
The intricate interplay between rock mechanics and fracture-induced fluid flow during resource extrac-tion exerts profound effects on groundwater systems,posing a pivotal challenge for promoting green and safe develop...
The São Francisco River basin is 2368 km long, with an average annual flow of 2846 m3/s and a drainage area of 639,219 km2. About 54% of this area lies in Brazil’s semi-arid northeast, with annual rainfall between 45...