METHODS, APPARATUS AND SYSTEMS FOR CREATING WELLBORE PLUGS FOR ABANDONED WELLS

METHODS, APPARATUS AND SYSTEMS FOR CREATING WELLBORE PLUGS FOR ABANDONED WELLS

A wellbore is plugged using a bismuth alloy. The wellbore is arranged so that a liquid bismuth alloy sets with an excess pressure of the plug relative to the borehole fluid pressure along a desired seal height distance.

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Hauptverfasser: Elias, Quincy K, Perez Jr, Albert, Ramakrishnan, Terizhandur S, Zhang, Hua
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 Elias, Quincy K
Perez Jr, Albert
Ramakrishnan, Terizhandur S
Zhang, Hua
description A wellbore is plugged using a bismuth alloy. The wellbore is arranged so that a liquid bismuth alloy sets with an excess pressure of the plug relative to the borehole fluid pressure along a desired seal height distance.
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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 METHODS, APPARATUS AND SYSTEMS FOR CREATING WELLBORE PLUGS FOR ABANDONED WELLS
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