Fracturing method used for oil gas well
A technology for oil and gas wells and fracturing, which is applied in the field of fracturing of oil and gas wells, can solve the problems of high formation fracturing pressure, high requirements on fracturing equipment, and increase the cost of reservoir stimulation operations, so as to reduce fracturing pressure and reduce fracturing. The effect of cracking costs
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[0022] The present invention will be further described below in conjunction with accompanying drawing.
[0023] According to the present invention, a fracturing method for oil and gas wells is provided. In this fracturing method, exploration is performed to define oil and gas-rich regions within the wellbore of an oil and gas well. Then, set the fixed point within the rich area. Then, the formation fracture initiation pressure near the fixed point is reduced. Finally, fracturing fluid is pumped into the formation so that the fracturing fluid enters the formation to form fractures 300 .
[0024] In this method, the fixed point is determined first, and then the formation fracturing pressure near the fixed point is reduced before fracturing. Since the formation fracturing pressure near the fixed point is reduced, the fixed point can be used in the fracturing construction process of pumping pressure fluid in the later stage. as a cracking point. This method determines the crac...
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