Tubing arrangement switch device of drum of coiled tubing operation machine and control system of tubing arrangement switch device

A conversion device and coiled tubing technology, which is applied in the direction of drill pipe, casing, drill pipe, etc., can solve the problems of inconvenient adjustment and increase the risk of oilfield field operations, so as to improve the safety and work efficiency of field operations and prolong the service life. The effect of longevity

Active Publication Date: 2014-04-09
BC P INC CHINA NAT PETROLEUM CORP +2
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0006] At the same time, because the position of the overrunning friction clutch is relatively high when the coiled tubing machine operates on o

Method used

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  • Tubing arrangement switch device of drum of coiled tubing operation machine and control system of tubing arrangement switch device
  • Tubing arrangement switch device of drum of coiled tubing operation machine and control system of tubing arrangement switch device
  • Tubing arrangement switch device of drum of coiled tubing operation machine and control system of tubing arrangement switch device

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[0038] In order to make the objectives, technical solutions, and advantages of the present invention clearer, the embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings.

[0039] Such as figure 2 As shown in the structure, the tube conversion control system of the coiled tube working machine provided by the present invention includes a drum 1, a two-way screw 5 and a tube conversion device. The tube conversion device includes: a tube conversion device 2 and a hydraulic control system. The tube conversion device 2 is installed between the two-way lead screw 5 and the drum 1, and realizes chain transmission with the drum 1 and the two-way lead screw 5 through a transmission chain. Two hydraulic conversion joints 2-14, 2 are provided on the tube conversion device 2 -15. The two hydraulic conversion joints 2-14 and 2-15 are respectively connected to the corresponding control interfaces of the hydraulic control syst...

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Abstract

The invention discloses tubing arrangement switch device of a drum of a coiled tubing operation machine and a control system of the tubing arrangement switch device. The tubing arrangement switch device comprises a driving unit, a driven unit and a clutch unit. The clutch unit is arranged between the driving unit and the driven unit. The driving unit is provided with a hydraulic adapter joint used for controlling connection states of the clutch unit. The control system comprises the drum, a two-way lead screw, a hydraulic control system and the tubing arrangement switch device; the tubing arrangement switch device is mounted between the drum for coiled tubing winding and the two-way lead-screw, the hydraulic adapter joint is connected with a corresponding control interface of the hydraulic control system, and the hydraulic control system controls connection states of the tubing arrangement switch device through switching under the hydraulic effects. By the aid of the tubing arrangement switch device and the hydraulic control system, quick switching between automatic tubing arrangement and manually forced tubing arrangement can be realized by operators in an operation room, running torque of a forced tubing arrangement motor of the drum for coiled tubing winding is reduced, and service lives of the forced tubing arrangement motor and the tubing arrangement switch device are prolonged.

Description

technical field [0001] The invention relates to the field of operation of coiled tubing machines used in oilfields, in particular to a coiled tubing machine drum row pipe conversion device and a control system thereof. Background technique [0002] The coiled tubing machine is a device used for oil and gas well operations. During the use of the device, it must be ensured that the coiled tubing can be neatly wound on the drum when it is pulled out from the coiled tubing drum or retracted from the oil and gas well. [0003] At present, the common way to realize the coiled tubing neatly wound on the drum is to complete the automatic pipe arrangement mechanism of the coiled pipe winding drum, and at the same time assist the manual forced pipe arrangement function. The principle of the transmission system is as follows: figure 1 As shown, it mainly includes drum 1, intermediate shaft assembly 3, overrunning friction clutch 4, two-way lead screw 5, forced pipe discharge motor 6 an...

Claims

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Application Information

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IPC IPC(8): E21B19/22
Inventor 吴大飞朱再思万冬冬张三坡马青刘铁丽杨高罗刚
Owner BC P INC CHINA NAT PETROLEUM CORP
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