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Apparatus and method for moving connection equipment on a drilling rig

A technology for equipment and appliances, which is applied in the field of equipment and methods for making connecting appliances move on a drilling rig, can solve problems such as the need for rails, and achieve the effect of increasing the speed of movement

Active Publication Date: 2013-05-15
NAT OILWELL VARCO LP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Some prior art devices use extension systems, but still require rails

Method used

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  • Apparatus and method for moving connection equipment on a drilling rig
  • Apparatus and method for moving connection equipment on a drilling rig
  • Apparatus and method for moving connection equipment on a drilling rig

Examples

Experimental program
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Embodiment Construction

[0062] Figure 1AA device 10 according to the invention is shown having an iron driller 1 on the distal end of the extension device 100 . Iron roughneck 1 includes a spinner 12 and a wrench 16 movably mounted on a bracket 18 . Rotator 12 may be any suitable rotator for rotating tubes to facilitate connecting or disconnecting threaded tubes. The wrench 16 may be any suitable wrench for twisting a connection between threaded pipes to make a connection or for breaking a connection. In one particular aspect, the spinner 12 is identical to U.S. Application Serial No. 12 / 072,296, filed February 25, 2008 (of common ownership with the present invention, which is incorporated herein in its entirety for all purposes), and the wrench 16 is a torque wrench as disclosed in US Patent 7,313,586 (of common ownership to the present invention and incorporated herein in its entirety for all purposes). The control panel 8 controls the spinner 12 , the wrench 16 and the device 100 .

[0063] F...

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PUM

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Abstract

Extension systems for iron roughnecks are provided. These systems are equipment apparatuses and extendable / retractable supports for devices used for connecting and disconnecting tubular members (e.g. casing, tubing, pipe, or drill pipe) on drill rigs. The systems in particular relate to iron roughnecks, and methods of moving them on a drilling rig.

Description

technical field [0001] The present invention relates to an apparatus and method for moving a connecting implement, such as but not limited to a tong, a spinner or an iron driller, on a drilling rig. Background technique [0002] When drilling a wellbore in an oil or gas well formation, a drill bit is placed at the end of a drill string and rotated to drill the wellbore. A drill string includes a string of tubulars called drill pipe sections. The drill pipe section includes an upper end and a lower end. The upper end is provided with an enlarged part with a female thread, which is usually called an internal thread end; the lower end is provided with a vertical part and a male joint, which is usually called an external thread end. Drill pipe sections are connected into a stand consisting of two or three sections. This can be accomplished at a location away from the center of the well using a rat hole provided in the floor of the rig platform. The stand is then moved from t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21B19/00
CPCE21B19/16E21B19/165
Inventor B·D·温特
Owner NAT OILWELL VARCO LP