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Rotary guiding device for petroleum drilling

A rotary steering, oil drilling technology, applied in directional drilling and other directions, can solve problems such as general use effect

Pending Publication Date: 2019-09-20
KARAMAY CITY WANSHENGJIA TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the deficiencies of the prior art, the present invention provides a rotary steerable device for oil drilling, which has the advantage of being convenient for rotary steering, and solves the problem that the traditional rotary steerable device has a general effect

Method used

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  • Rotary guiding device for petroleum drilling
  • Rotary guiding device for petroleum drilling
  • Rotary guiding device for petroleum drilling

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Embodiment Construction

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0031] see Figure 1-9 , the invention discloses a rotary steerable device for oil drilling, comprising a housing 1, one end of the housing 1 is fixedly provided with an upper joint 2, and one end of the upper joint 2 is clamped and provided with a sealing plug located inside the housing 1 3. The end of the sealing plug 3 away from the upper joint 2 is provided with a high-pressure hose 4, and the end of the high-pressure hose 4 away from the sealing plug 3 is...

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Abstract

The invention discloses a rotary guiding device for petroleum drilling, and relates to the technical field of petroleum drilling equipment. The rotary guiding device comprises a housing, an upper connector is fixed at one end of the housing, one end of the upper connector is connected with a sealing inserting head located in the housing, the end, away from the upper connector, of the sealing inserting head is provided with a high pressure flexible hose. According to the rotary guiding device for the petroleum drilling, a central pipe body when driven by motor gears rotates clockwise, a water hole of the central pipe body deviates from the original position and moves counterclockwise, according to the same rule, while a drill tool rotates clockwise, the central pipe and the inner water hole move clockwise, and finally reach original position at the same time, rotary difference exists between the housing of the drill tool and the central pipe body, by controlling the rotary speed of a motor and the original starting position, the central pipe body can deviate continuously in a certain direction during drilling tool rotation, finally, the function of turning is realized, and the purpose of rotary guiding is achieved.

Description

technical field [0001] The invention relates to the technical field of oil drilling equipment, in particular to a rotary steering device for oil drilling. Background technique [0002] In oil drilling operations, it is necessary to change the drilling direction at any time, or adjust the well trajectory, and timely drill to the oil and gas-intensive area to obtain high-yield oil flow and achieve the purpose of efficient drilling. This device for changing the drilling direction is used for oil drilling. The rotary steerable device is characterized by deflecting, turning and turning in a specific direction while drilling and rotating. It consists of a deflection mechanism, a measurement system for oil and gas-intensive areas, a speed measurement system, and a control system. [0003] The existing rotary steerable device for oil drilling is to set the extension mechanism on the outside or side of the drilling tool. According to the set program, the extension mechanism on the si...

Claims

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Application Information

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IPC IPC(8): E21B7/04
CPCE21B7/04
Inventor 路志武
Owner KARAMAY CITY WANSHENGJIA TECH CO LTD
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