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Sinopec News Network News on June 15th, after the integrated application of large-scale dense cutting multi-cluster and mixed water volume fracturing technology in the development well J30-8-P3 well box 1 in the Jin 30 well block of Dongsheng Gas Field of North China Oil and Gas Branch, The daily gas production reached 63,000 cubic meters
.
Well J30-8-P3 is located in the Xinzhao block in the northern Yishan Slope of the Ordos Basin.
The reservoir is deeply buried, the reservoir brittleness index is high, the natural fractures are developed, the matrix physical properties are poor, and the volume of conventional fracturing is limited
.
In order to ensure the maximum release of reservoir productivity, engineering geological technicians closely combined, repeatedly demonstrated and optimized the fracturing method of the well, and decided to adopt the design concept of "large displacement + multi-family in section + mixed water" volume fracturing
.
Use low-viscosity fracturing fluid with strong penetrability and high pressure to communicate with natural micro-fractures and control fracture height, while carrying small particle size to support micro-fractures to ensure the conductivity of micro-fractures; use high-viscosity to carry sand to support the main fractures to improve The flow conductivity of the main fracture will eventually form a complex fracture network with high conductivity and good connectivity, which will expand the reconstruction volume
The successful implementation of the J30-8-P3 well once again confirmed the development potential of the He 1 layer in the Jin 30 well block and laid the foundation for the large-scale production of the Jin 30 well block
(Chen Peng)