Control of input hydraulic power at rock distruction during well drilling

Authors: A.V. Vervekin, V.M. Plotnikov (Perm National Research Polytechnic University, RF, Perm), V.I. Molodilo (VNIIBT-Drilling tools, Ltd., RF, Perm)

Key words: hydraulic power, torque, differential pressure, hydraulic mud motor.

The article deals with a method of definition of rock torque capacity in the bottom-hole conditions when oil and gas well drilling with downhole mud motors. It is considered the influence of axial load on torque. As a result of the research it is defined, that one of the most important aspects at drilling, which increase run speed, are operating dosage and automated control of input hydraulic power at destruction of rock when oil and gas well drilling with downhole mud motors.

References

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5. Patent 2013531 RF, MPK E21V44/00, Boring tool feed controller, Inventors: Molodilo V.I., Litvinov I.N.


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