SELECTIVE FRACTURE FACE DISSOLUTION

SELECTIVE FRACTURE FACE DISSOLUTION

A method is given for acid fracturing a subterranean formation for improving the flow of fluids. The principal source, optionally the sole source, of the acid is a solid acid-precursor, optionally injected with an additional solid that is inert and that masks a portion of the newly created fracture...

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Hauptverfasser: STILL JOHN W, BROWN J. ERNEST
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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BROWN J. ERNEST
description A method is given for acid fracturing a subterranean formation for improving the flow of fluids. The principal source, optionally the sole source, of the acid is a solid acid-precursor, optionally injected with an additional solid that is inert and that masks a portion of the newly created fracture faces so that the fracture face etching by the acid is not uniform. The method ensures a good flow path for fluids between the fracture tip and the wellbore.
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The principal source, optionally the sole source, of the acid is a solid acid-precursor, optionally injected with an additional solid that is inert and that masks a portion of the newly created fracture faces so that the fracture face etching by the acid is not uniform. 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The method ensures a good flow path for fluids between the fracture tip and the wellbore.</description><subject>EARTH DRILLING</subject><subject>EARTH DRILLING, e.g. DEEP DRILLING</subject><subject>FIXED CONSTRUCTIONS</subject><subject>MINING</subject><subject>OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2013</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFAOdvVxdQ7xDHNVcAtydA4JDQIyHJ1dFVw8g4P9fUJDPP39eBhY0xJzilN5oTQ3g7Kba4izh25qQX58anFBYnJqXmpJfGiwkYGhsaGlkYWxpaOhMXGqAPO9I9Y</recordid><startdate>20130801</startdate><enddate>20130801</enddate><creator>STILL JOHN W</creator><creator>BROWN J. ERNEST</creator><scope>EVB</scope></search><sort><creationdate>20130801</creationdate><title>SELECTIVE FRACTURE FACE DISSOLUTION</title><author>STILL JOHN W ; BROWN J. 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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 SELECTIVE FRACTURE FACE DISSOLUTION
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