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Coiled tubing locking device

A coiled tubing and anti-loosening technology, which is applied in the direction of drill pipe, casing, drilling equipment, etc., can solve the problems of coiled tubing that cannot be neatly and tightly discharged drums, cannot be used normally, and staggered coiled tubing, etc., to achieve effective anti-loosening control, Wide range of uses, the effect of preventing chaos

Active Publication Date: 2015-06-10
SICHUAN HONGHUA PETROLEUM EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] During the drilling and lifting process of the existing general coiled tubing drilling rig, the coiled tubing tensioning process is maintained by controlling the roller and the coiled tubing injection head, and at the same time, the tension of the coiled tubing is continuously maintained by controlling the roller and the injection head. Tension force, this method is controlled by the operator’s working experience. When the operator’s working condition is not good, it will easily lead to control errors and the coiled tube cannot be neatly and tightly discharged due to its own rebound effect. On the drum, even the coiled tubing will mess up and loosen the tubing on the drum, and in severe cases, it will even be staggered and the coiled tubing cannot be used normally.

Method used

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  • Coiled tubing locking device
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Embodiment 1

[0024] like figure 1 and figure 2 As shown, a coiled tubing anti-loosening device of the present invention includes a coiled tubing 1, a drum 2 and a drum support base 3, the drum support base 3 is pierced with a drum 2, and the coiled tube 1 is installed on the drum 2, and the support base The bottom surface of 3 is provided with an anti-loosening mechanism 4, and the anti-loosening mechanism 4 cooperates with the roller 2 and compresses the continuous pipe 1. The anti-loosening mechanism 4 can effectively prevent the coiled tubing 1 from loosening, and the number of the anti-loosening mechanisms 4 can be increased or decreased according to the width of the roller 2. The whole mechanism has four anti-loosening devices 4 symmetrically distributed on both sides of the drum 2, respectively.

[0025] The anti-loosening mechanism 4 in the present embodiment comprises a backing plate 13, and the two ends of the backing plate 13 are all fixed on the bottom surface of the support b...

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PUM

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Abstract

The invention relates to the field of petroleum drilling and extraction devices, in particular to a coiled tubing locking device which is invented for overcoming the defects that coiled tubings in the current device are arrayed irregularly and easily tousled. The coiled tubing locking device comprises a coiled tubing, a roller and a roller support base, wherein the roller is arranged on the roller support base in the penetrating way; the coiled tubing is mounted on the roller; a locking mechanism is arranged on the bottom surface of the support base and is mutually matched with the roller for pressing the coiled tubing. The coiled tubing locking device has the advantages of simple structure, convenience in use and wider application, and locking control on the coiled tubing can be effectively carried out by the locking mechanism.

Description

technical field [0001] The invention relates to the field of oil drilling equipment, in particular to a coiled tubing anti-loosening device. Background technique [0002] During the drilling and lifting process of the existing general coiled tubing drilling rig, the coiled tubing tensioning process is maintained by controlling the roller and the coiled tubing injection head, and at the same time, the tension of the coiled tubing is continuously maintained by controlling the roller and the injection head. Tension force, this method is controlled by the operator’s working experience. When the operator’s working condition is not good, it will easily lead to control errors and the coiled tube cannot be neatly and tightly discharged due to its own rebound effect. On the drum, even the coiled tubing will mess up and loosen the tubing on the drum, and in severe cases, even staggered and the coiled tubing cannot be used normally. Contents of the invention [0003] The technical p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21B19/22
Inventor 胡晓君单代伟
Owner SICHUAN HONGHUA PETROLEUM EQUIP
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