SLEEVE VALVE DEVICE AND SHIFTING TOOL THEREFOR

SLEEVE VALVE DEVICE AND SHIFTING TOOL THEREFOR

Disclosed is a sliding sleeve valve (12) and a selective pressure operated shifting tool (20) engageable in the selected sleeve valve for shifting the valve sleeve (28) between open and closed positions. The sleeve valve is connectable in a well conduit and is especially useful in highly deviated an...

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Hauptverfasser: MASHAW, JR., HOWARD R, HAMMETT, ROBERT C
Format: Patent
Sprache:eng
Schlagworte:
EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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creator MASHAW, JR.
HOWARD R
HAMMETT
ROBERT C
description Disclosed is a sliding sleeve valve (12) and a selective pressure operated shifting tool (20) engageable in the selected sleeve valve for shifting the valve sleeve (28) between open and closed positions. The sleeve valve is connectable in a well conduit and is especially useful in highly deviated and horizontal wells. The sleeve valve has a longitudinal flow passage (37) through, centralizers (25) for centralizing the valve in well conduits, longitudinal flow slots (35) on the valve body and ports (36) connecting the flow slots and flow passage. The pressure operated shifting tool is connected to reeled tubing (17) by a quick disconnect (39). The shifting tool includes an invertible shifting module (41) which may be inverted to shift the valve sleeve to closed or open position. The shifting tool keys (72) are locked retracted for running and on complete shifting of the sleeve are automatically released from the valve sleeve and returned to locked retracted position for retrieving.
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The sleeve valve is connectable in a well conduit and is especially useful in highly deviated and horizontal wells. The sleeve valve has a longitudinal flow passage (37) through, centralizers (25) for centralizing the valve in well conduits, longitudinal flow slots (35) on the valve body and ports (36) connecting the flow slots and flow passage. The pressure operated shifting tool is connected to reeled tubing (17) by a quick disconnect (39). The shifting tool includes an invertible shifting module (41) which may be inverted to shift the valve sleeve to closed or open position. The shifting tool keys (72) are locked retracted for running and on complete shifting of the sleeve are automatically released from the valve sleeve and returned to locked retracted position for retrieving.</abstract><oa>free_for_read</oa></addata></record>
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subjects EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
title SLEEVE VALVE DEVICE AND SHIFTING TOOL THEREFOR
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