High-energy pulse spinning plasma perforation method
A plasma and high-energy pulse technology, applied in the field of plasma perforation, can solve the problems of reducing oil and gas well production and production efficiency, rock permeability decline, inability to effectively penetrate the near-well pollution zone, etc., so as to improve the production efficiency and total production efficiency. Yield, the effect of improving connectivity
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[0008] like figure 1 As shown, after the oil and gas well drilling is completed, the continuous oil pipe 101 places the shot 102 and the high-energy pulse spin plasma drill bit 103 into the wellbore, and after reaching the specific formation, the sewer 102 produces the surface control signal. Action, anchoring sleeve; high-energy pulse spin plasma drill bit 103 is biased towards one side of the sleeve under the guiding action of the shot 102; the ground control system issues a control signal, high energy pulse spin plasma drill bit 103 is sprayed Pulse spin plasma 104; high-energy pulse spin plasma sequentially melted the sleeve, circular cement and formation rocks, continuously drilling.
[0009] High-energy pulse spin plasma 104 injected into rock surface is shown figure 2 As shown, the high-speed rotating high-energy pulse spin plasma 104 melted the rock, the surface of the rock forms a layer of molten rock jam 201; the molten rock paste 201 is subjected to centrifugal force ge...
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