Apparat og fremgangsmåte for innföring og gjenvinning av en verktöystreng gjennom et overflateutstyr

Apparat og fremgangsmåte for innföring og gjenvinning av en verktöystreng gjennom et overflateutstyr

Well surface equipment is provided to seal around the outer surface of portions of tool sections as the tool sections are assembled or disconnected in a portion of the well surface equipment. The portion of the well surface equipment is isolated from wellhead pressure to enhance well operator contro...

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Hauptverfasser: MULLER, LAURENT E, GILL, BENNIE, HENDERSON, STEVEN W, RYTLEWSKI, GARY L, GRIGAR, LARRY LEE, LUDOLF, ROLF, HUBER, KLAUS B
Format: Patent
Sprache:nor
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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 MULLER, LAURENT E
GILL, BENNIE
HENDERSON, STEVEN W
RYTLEWSKI, GARY L
GRIGAR, LARRY LEE
LUDOLF, ROLF
HUBER, KLAUS B
description Well surface equipment is provided to seal around the outer surface of portions of tool sections as the tool sections are assembled or disconnected in a portion of the well surface equipment. The portion of the well surface equipment is isolated from wellhead pressure to enhance well operator control during assembly or disassembly of a tool string. Also, if a fluid path is opened up due to activation of the tool string (such as initiation of a detonating cord that is placed in the fluid path), a barrier mechanism is actuated to block fluid communication through this fluid path so that a portion of the well surface equipment can remain isolated from wellhead pressure to enable convenient retrieval and disconnection of tool sections.
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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 Apparat og fremgangsmåte for innföring og gjenvinning av en verktöystreng gjennom et overflateutstyr
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