Casing pipe buckling evaluation method in inclined well cementing process
An evaluation method and casing technology, which are applied in the testing of measuring devices, instruments, machines/structural components, etc., can solve the problems of inability to effectively evaluate the impact of buoyancy, unclear impact of casing effects, etc., and achieve convenient operation and good feasibility. , to achieve easy effect
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[0035] In order to better explain the present invention and facilitate understanding, the present invention will be described in detail below through specific embodiments in conjunction with the accompanying drawings.
[0036] The casing buckling evaluation method in the cementing process of deviated wells proposed by the embodiment of the present invention defines a cavity through the borehole wall simulation unit to simulate the borehole wall, and controls the borehole wall simulation unit to be in an inclined state through the inclination control unit to realize deviated well simulation , so that in the process of controlling the flow of cement slurry into the cavity, the hollow casing is affected by the buoyancy of the cement slurry, and the hollow casing is analyzed by detecting the vertical tension, torque and displacement of the hollow casing, and recording the pressure value detected by the annular pressure sensor. The stress change process of the casing, so as to reali...
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