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Drill fluid collecting device

A drilling fluid and sealing ring technology, used in drilling equipment, drill pipes, drill pipes, etc., can solve the problems of insufficient collection equipment and leakage of drilling fluid during unloading operations.

Inactive Publication Date: 2012-09-05
В-ТЕХ АС
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, the existing collection equipment is not tight enough, thus allowing the drilling fluid to escape in large quantities during the breakout operation

Method used

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Embodiment Construction

[0022] The reference numeral 1 in the illustration refers to an assembly of a power tong 2 and a backup tong 4 that are located on the drilling machine 6 and are coaxial with the drilling center 8 of the drilling machine 6 . The assembly 1 is connected to two guide posts 10 diametrically opposed to the borehole center 8, so that a vertical movement is possible. The guide column 10 is connected to a base 12 which can move horizontally on a rail 16 connected to the drilling rig 6 via wheels 14 and a hydraulic motor not shown.

[0023] The operating position of the assembly 1 is above the slips 18 of the drilling rig 6 , and the pipe string 20 passes through the slips 18 and continues upwardly through the assembly 1 . The tubing string 20 is made up of pipes 22 that are screwed together.

[0024] The power tong 2 includes a power tong housing 24 equipped with a guide hole 26 corresponding to the guide column 10 and an integral transmission ring 30 supported on the power tong hou...

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PUM

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Abstract

A drill fluid collecting device, in which a space between a power tong (2) and a backup tong (4) is provided with collecting means, and in which, on their respective sides facing the space, the power tong (2) and the backup tong (4) are provided with a seal (56, 62) which is sealingly movable against a pipe (20, 22) located in the tongs and sealingly connected to its respective tong (2, 4).

Description

technical field [0001] The invention relates to a drilling fluid collection device. More specifically, it relates to a collecting device in which a first sealing ring and a second sealing ring can move tightly against the pipe in the body of the pliers. Together with at least one housing, these sealing rings form a collecting space. Its advantage is that the power tong and the backup tong cooperating with the power tong are equipped with scrapers, and these scrapers are hermetically surrounded around the pipe string. Therefore, when a section of pipeline is unloaded from the pipe string by means of the tongs, the drilling fluid flowing out of the pipeline will flow into a closed collection space between the tongs and can be transported out of the collection space. Background technique [0002] When drilling a well on the ground, as is well known, for example when collecting oil, it is common to pump drilling fluid through a pipe string into a drilling tool. This form of t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21B21/01E21B19/16E21B
CPCE21B19/16E21B21/01
Inventor 黑格-鲁本·哈瑟
Owner В-ТЕХ АС