financially supported by the National Natural Science Foundation of China (51904319);the Fundamental Research Funds for the Central Universities (21CX06029A)。
The cyclic hydraulic stimulation(CHS) has proven as a prospective technology for enhancing the permeability of unconventional formations such as coalbeds. However, the effects of CHS on the microstructure and gas sorp...
financially supported by the National Natural Science Foundation of China (51674088);Natural Science Foundation of Heilongjiang Province of China (LH 2021E011)。
Hydraulic rolling reshaper is an advanced reshaping tool to solve the problem of casing deformation,which has been widely used in recent years.When it is used for well repair operation,the reshaping force provided by ...
financially supported by Youth Project of Natural Science Basic Research Program of Shaanxi Province(Grant number:2023-JC-QN-0538);Scientifical Research Program for Youth Innovation Team Construction of Shaanxi Provincial Department of Education(Grant number:21JP054,22JP032);National Natural Science Foundation of China(Grant numbers:52174012,51804322,51821092,51774301,U1762214);Open Fund(PLC 20210404)of State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation(Chengdu University of Technology)。
A jet mill bit(JMB)is proposed to increase the drilling efficiency and safety of horizontal wells,which has the hydraulic characteristics of depressurization and cuttings cleaning.This paper fills the gap in the hydra...
supported by the National Natural Science Foundation of China(No.U2003102).
Hydraulic fracturing facilitates the development and exploitation of unconventional reservoirs.In this study,the injected hydraulic fracturing fluid(HFF)and flowback and produced water(FPW)in tight oil reservoirs of t...
supported by the National Natural Science Foundation of China(No.52104046);National Science and Technology Major Project of China(No.2016ZX05060-004,2017zx05036-003).
This study aims to investigate the potential factors affecting hydraulic fracturing of inter-salt oil shale reservoirs in the Qianjiang Depression,China.Using the inter-salt shale samples,the re-crystallization seepag...
partially supported by National Key R&D Program of China (2017YFC0804108) during the 13th Five-Year Plan Period;National Science Foundation of China (51774136);Natural Science Foundation of Hebei Province of China (D2017508099);the Program for Innovative Research Team in the University sponsored by Ministry of Education of China (IRT-17R37)
Determining the width of an induced hydraulic fracture is the first step for applying wellbore strengthening and hydraulic fracturing techniques. However, current 2-D analytical solutions obtained from the plane strai...
supported by the Major National Science and Technology Projects of China (No. 2016ZX05046004002; No. 2017ZX05039002-003);the National Basic Research Program of China (No. 2015CB250903)
Tortuous hydraulic fractures(HFs) are likely to be created in heterogeneous formations such as conglomerates, which may cause sand plugging, ultimately resulting in poor stimulation efficiency. This study aims to expl...
the support from the National Science and Technology Major Projects of China(Grant No.2016ZX05066);Major Program of National Natural Science Foundation of China(Grant No.51490650);PetroChina Innovation Foundation(No.2018D-5007-0307)
Whether hydraulic fractures could connect multiple gas zones in the vertical plane is the key to fracturing treatment to jointly exploit coalbed methane and tight sandstone gas through integrative hydraulic fracturing...
financially supported by the National Basic Research Program of China (973 Program) Granted No. 2015CB250903;the National Natural Science Foundation of China Granted No. 51490652;The Chongqing Institute of Geology and Mineral Resources supported this field work
Spontaneous imbibition of water-based frac- turing fluids into the shale matrix is considered to be the main mechanism responsible for the high volume of water loss during the flowback period. Understanding the matrix...
financial support from the Program for New Century Excellent Talents in University (No. NCET-12-0971)
Offshore drilling has attracted more attention than ever before due to the increasing worldwide energy demand especially in China. High cost, long drilling cycles, and low rate of penetration (ROP) represent critica...