One trip well drilling to total depth

One trip well drilling to total depth

A method for drilling to total depth, through a formation that requires isolation, without having to pull the drill pipe from the well and without using a surface lubricator comprises encountering a formation that requires isolation while drilling the well and delivering at least one isolation devic...

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Hauptverfasser: ALAN B EMERSON, MARK K ADAM, MATTHEW J JABS, RICHARD M BENNETT
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 ALAN B EMERSON
MARK K ADAM
MATTHEW J JABS
RICHARD M BENNETT
description A method for drilling to total depth, through a formation that requires isolation, without having to pull the drill pipe from the well and without using a surface lubricator comprises encountering a formation that requires isolation while drilling the well and delivering at least one isolation device over drill pipe when the drill pipe is already in the wellbore. The formation is isolated with the isolation device without removal of the drill pipe from the well and clearance provided around the drill pipe while the drill string rotates The formation isolation ma be achieved by using a material that reverts to a former shape following a temperature stimulus.
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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 One trip well drilling to total depth
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