The pivotal areas for the extensive and effective exploitation of shale gas in the Southern Sichuan Basin have recently transitioned from mid-deep layers to deep layers.Given challenges such as intricate data analysis...
supported by the National Natural Science Foundation of China(Grant No.52022087).
The field data of shale fracturing demonstrate that the flowback performance of fracturing fluid is different from that of conventional reservoirs,where the flowback rate of shale fracturing fluid is lower than that o...
support from the National Natural Science Foundation of China(No.51904324,No.51974348);the Prospective Basic Major Science and Technology Projects for the 14th Five Year Plan(No.2021DJ2202).
CO_(2) dry fracturing is a promising alternative method to water fracturing in tight gas reservoirs,especially in water-scarce areas such as the Loess Plateau.The CO_(2) flowback efficiency is a critical factor that a...
support from National Natural Science Foundation of China(No.52174042);China University of Petroleum Beijing(No.2462021YXZZ011,No.PRP/indep-4-2113)for the completion of this study.
Multiple fractured horizontal wells (MFHWs) currently are the only possible means of commercial production from the low and ultra-low permeability unconventional gas reservoirs. In early production time, flowback flui...
Supported by the National Science and Technology Major Project(2017ZX05009-005-003);National Natural Science Foundation of China Funded General Project(52174045);Chinese Academy of Engineering Strategic Consulting Project(2018-XZ-09);China National Petroleum Corporation-China University of Petroleum(Beijing)Strategic Cooperation Science and Technology Project(ZLZX2020-01).
Considering the characteristics of carbonate reservoirs in the Middle East,a low-viscosity microemulsion acid that can be prepared on site and has an appropriate retardation ability was developed.It was compared with ...
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...
We aim at the development of a general modelling workflow for design and optimization of the well flowback and startup operation on hydraulically fractured wells.Fracture flowback model developed earlier by the author...
supported by the National Key Research and Development Program of China(Grant No.2019YFA0708700).
A deep understanding of the geometric impacts of fracture on fracturing fluid flowback efficiency is essential for unconventional oil development. Using nuclear magnetic resonance and 2.5-dimensional matrix-fracture v...
Supported by the China National Science and Technology Major Project (2017ZX05009-005-003);Research Fund of China University of Petroleum (Beijing)(2462019QNXZ04)。
The existing researches on surfactant micellar solutions mainly focus on the formulation optimization and core flooding test, and the types and mechanisms of cleanup additives suitable for low permeability reservoir r...
In this study,flowback-assisted minifrac tests were conducted in low-permeability shale and salt formations to measure the in situ stress.An injection/flowback testing protocol was implemented in each test to achieve ...