Oil-gas drilling production increasing combined operation device and method
A technology of oil and gas drilling and joint operation, which is applied to drilling equipment and methods, liquid/gas jet drilling, drilling equipment, etc., which can solve the problems of high operating cost, complicated construction process, and long construction period, and achieve the goal of occupying an area of Small area, reducing the effect of potential chemical contamination
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[0073] Taking a horizontal well in a coalbed methane reservoir as an example, the drilling and production stimulation joint operation device and method are described:
[0074] 1. Prepare the construction conditions of the combined oil and gas drilling and production stimulation device: connect each device to ensure that the connection is firm and the seal is reliable;
[0075] 2. Start the high-pressure pump 1: the working displacement of the high-pressure pump is 100L / min, and the working pressure is 150MPa;
[0076] 3. Drilling operation: Power is supplied to the downhole dynamic drilling tool 10 through the ground, and the downhole dynamic drilling tool 10 drives the drill bit 8 to rotate to break the rock; Crushing; the thrust nozzle 14 behind the drill bit 8 pushes the drill bit 8 forward to drill. The cuttings produced by drilling are returned to the surface from the high-pressure coiled tubing 6 and the annular space of the wellbore, and after being treated by the surf...
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