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Downhole power drilling tool with de-jamming device

A power drilling tool and a technology for removing jams, which are applied to driving devices, drill pipes, drill pipes and other directions for drilling in a wellbore, can solve the problems of poor reliability in releasing jams and high drilling costs, and achieve long service life and weakened structural strength. Small, low shaft stress

Active Publication Date: 2020-09-08
KINGDREAM PLC CO +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The embodiment of the present application provides a downhole power drilling tool with a jam release device to solve the problems of poor reliability of power drill jam release and high drilling operation cost in the related art

Method used

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  • Downhole power drilling tool with de-jamming device
  • Downhole power drilling tool with de-jamming device
  • Downhole power drilling tool with de-jamming device

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Embodiment Construction

[0042] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, but not all of them. Based on the embodiments in the present application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present application.

[0043] The embodiment of the present application provides a downhole power drilling tool with a jam release device, which can solve the problems of poor reliability of power drill jam release and high drilling operation cost in the related art.

[0044] see figure 1 As shown, the embodiment of the present application provides a downhole ...

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Abstract

The invention relates to a downhole power drilling tool with a de-jamming device, and belongs to the technical field of power drilling tools. The downhole power drilling tool comprises a power drilling tool and the de-jamming device. The power drilling tool comprises a shell and a shaft rod. The shell is of a hollow tubular structure. The shaft rod is located in the shell and can rotate in the shell. The de-hamming device is located in the shell and is used for connecting the shell with the shaft rod in a triggered state so as to enable the shaft rod to synchronously rotate along with the shell. According to the downhole power drilling tool, in normal drilling operation, the de-jamming device does not participate in work, and when de-jamming operation is needed, after drilling fluid pump pressure is improved, the de-jamming device automatically connects the shaft rod and the shell into a whole for rotation. The de-jamming device is located on the shaft rod in the shell, the structure is compact, the structural strength of the shaft rod is slightly weakened, shaft rod stress is low, and the service life is long. The de-jamming device is arranged between the shell and the shaft rod,the upper end of the shell is connected with a drilling rod, torque of a wellhead turntable can be transferred to the shell through the drilling rod, then the torque is transferred to the shaft rod and a drilling head through the de-jamming device, and de-jamming operation for the drilling head is realized.

Description

technical field [0001] The present application relates to the technical field of power drilling tools, in particular to a downhole power drilling tool with a jam release device. Background technique [0002] In the exploitation of oil and natural gas, the application of downhole power drilling tools is more and more extensive. The power drilling tools drive the drill bit to realize the formation drilling. Downhole power drilling tools, power drilling tools convert hydraulic energy into kinetic energy, driving the bottom hole drill bit to rotate. There are two common power drills: screw drills and turbo drills. For screw drilling tools, the drilling fluid enters the stator housing and drives the rotor screw that is eccentric to the stator housing to rotate. The rotor screw drives the cardan shaft and transmission shaft connected to it to rotate, thereby driving the drill bit at the lower end of the drilling tool to rotate. Turbodrilling tools use one or more stages of turbi...

Claims

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Application Information

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IPC IPC(8): E21B4/02E21B17/00E21B31/113E21B21/10
CPCE21B4/02E21B17/00E21B31/113E21B21/10
Inventor 关勤勤褚道余邱康姜韡
Owner KINGDREAM PLC CO
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