SLIPPAGE SENSOR AND METHOD OF OPERATING AN INTEGRATED POWER TONG AND BACK-UP TONG

Method and apparatus to make-up or break-out a threaded tubular connection using an integrated power tong and back-up tong (10). The power tong (20) may be disabled upon sensing a predetermined threshold amount of displacement of at least a portion of a back-up tong (14). The sensed displacement ind...

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Hauptverfasser: SIBILLE, MARK, STEPHEN, BEGNAUD, BRIAN, DAVID
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Sprache:eng ; fre ; ger
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creator SIBILLE, MARK, STEPHEN
BEGNAUD, BRIAN, DAVID
description Method and apparatus to make-up or break-out a threaded tubular connection using an integrated power tong and back-up tong (10). The power tong (20) may be disabled upon sensing a predetermined threshold amount of displacement of at least a portion of a back-up tong (14). The sensed displacement indicates that the back-up tong (14) is slipping, and power tong (20) rotation may be disabled to prevent damage to the pipe string (16) or surrounding equipment. A slippage sensor (40) may be disposed to sense displacement of at least a portion of the back-up tong (14) relative to a supporting frame (12). In one embodiment, the slippage sensor (40) may be operatively coupled to a valve (50) disposed in communication with a fluid line (46) supplying power fluid to the power tong (20). The power tong (20) may be disabled by impairing flow to the power tong (20) upon sensing a predetermined displacement of the back-up tong (14).
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language eng ; fre ; ger
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subjects CHAMBERS PROVIDED WITH MANIPULATION DEVICES
EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
HAND TOOLS
MANIPULATORS
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
PERFORMING OPERATIONS
PORTABLE POWER-DRIVEN TOOLS
TRANSPORTING
title SLIPPAGE SENSOR AND METHOD OF OPERATING AN INTEGRATED POWER TONG AND BACK-UP TONG
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