Vertical well separate layer fracturing interval optimization and construction parameter optimization designing method
A technology of layered fracturing and construction parameters, which is applied in earth-moving drilling, wellbore/well components, and production fluids, etc. It can solve the problems of less research on multi-fracture interference, and achieve optimized construction parameters, effective support, and good pressure. effect of crack
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[0042] The present invention will be further described below in conjunction with the drawings, but the protection scope of the present invention is not limited to the following.
[0043] Such as figure 1 As shown, a vertical well layered fractured interval optimization and construction parameter optimization design method, which includes the following steps:
[0044] (1) Considering the radial flow and normal leakage of the fracturing fluid in hydraulic fractures, a calculation method for fracture initiation and dynamic propagation of seepage-stress-fracture damage coupling is established;
[0045] (2) Based on the geological characteristics of oil and gas reservoirs, drilling, logging, logging, testing and seismic data as important basis, combined with reservoir sand body distribution, stratigraphic stratification, reservoir physical properties, electrical properties, ground stress and other characteristics , Preliminarily determine the fracturing layer selection plan;
[0046] (3) C...
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