Method of treating wells
First Claim
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1. THE METHOD OF EMPLACING A LIQUID TREATING AGENT INTO THE CRACKS, FISSURES AND PORES OF A SUBTERRANEAN FLUIDBEARING FORMATION TO BE TREATED WHICH CONSISTS ESSENTIALLY OF (1) ADMIXING A SORBATE-TYPE LIQUID TREATING AGENT, SELECTED FROM THE CLASS CONSISTING OF DEMULSIFIERS, CHELATING AGENTS, WETTING AGENTS, ANTI-FOAMING AGENTS, SEQUESTERING AGENTS, ACIDIZING AGENTS, AND INHIBITORS TO THE DEPOSITION OF PARAFFIN AND TO THE CORROSIVITY OF ACIDS, WITH A VOLATILE ORGANIC SOLVENT;
- (2) ADMIXING THE THUS PREPARED SOLVENTTREATED LIQUID TREATING AGENT WITH A SORBENT PARTICULATE SOLID MATERIAL OF A PARTICLE SIZE SUCH THAT IT WILL SUBSTANTIALLY ALL PASS THROUGH A NUMBER 10 MEASH SIEVE BUT WILL BE RETAINED ON A NUMBER 325 MESH SIEVEE, SELECTED FROM THE CLASS CONSISTING OF FULLER'"'"''"'"'S EARTH, MONTMORILLONITE CLAYS, ACID-TREATED CLAYS, BAUXITE, FLUORITE, ACTIVAATED ALUMINA, BONE CHAR, COKE, CHARCOAL, MAGNESIUM OXIDE, PERLITE, MAGNESIUM HYDROXIDE, SILICA GEL, PUMICE STONE AND ZEOLITE;
(3) DRYING THE MIXTURE THUS MADE TO REMOVE A SUBSTANTIAL PORTION OF THE ORGANIC SOLVENT TO MAKE A FLOWABLE INTIMATE INTERMIXTURE FROM WHICH THE SORBATETYPE LIQUID TREATING AGENT WILL GRADUALLY DESORB WHEN DEPOSITED IN A SUBTERRANEAN FORMATION;
AND (4) INJECTING THE INTERMIXTURE SO MADE INTO THE FORMATION AND DEPOSITING AT LEAST A PORTION OF SAID INTERMIXTURE THEREIN WHEREBY SAID LIQUID TREATING AGENT IS THEREAFTER GRADUALLY DESORBED FROM THE PARTICULATE SOLID MATERIAL TO IMPROVE AND FACILITATE PRODUCTION OF FLUIDS FROM THE FORMATION.
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1 Claim
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1. THE METHOD OF EMPLACING A LIQUID TREATING AGENT INTO THE CRACKS, FISSURES AND PORES OF A SUBTERRANEAN FLUIDBEARING FORMATION TO BE TREATED WHICH CONSISTS ESSENTIALLY OF (1) ADMIXING A SORBATE-TYPE LIQUID TREATING AGENT, SELECTED FROM THE CLASS CONSISTING OF DEMULSIFIERS, CHELATING AGENTS, WETTING AGENTS, ANTI-FOAMING AGENTS, SEQUESTERING AGENTS, ACIDIZING AGENTS, AND INHIBITORS TO THE DEPOSITION OF PARAFFIN AND TO THE CORROSIVITY OF ACIDS, WITH A VOLATILE ORGANIC SOLVENT;
- (2) ADMIXING THE THUS PREPARED SOLVENTTREATED LIQUID TREATING AGENT WITH A SORBENT PARTICULATE SOLID MATERIAL OF A PARTICLE SIZE SUCH THAT IT WILL SUBSTANTIALLY ALL PASS THROUGH A NUMBER 10 MEASH SIEVE BUT WILL BE RETAINED ON A NUMBER 325 MESH SIEVEE, SELECTED FROM THE CLASS CONSISTING OF FULLER'"'"''"'"'S EARTH, MONTMORILLONITE CLAYS, ACID-TREATED CLAYS, BAUXITE, FLUORITE, ACTIVAATED ALUMINA, BONE CHAR, COKE, CHARCOAL, MAGNESIUM OXIDE, PERLITE, MAGNESIUM HYDROXIDE, SILICA GEL, PUMICE STONE AND ZEOLITE;
(3) DRYING THE MIXTURE THUS MADE TO REMOVE A SUBSTANTIAL PORTION OF THE ORGANIC SOLVENT TO MAKE A FLOWABLE INTIMATE INTERMIXTURE FROM WHICH THE SORBATETYPE LIQUID TREATING AGENT WILL GRADUALLY DESORB WHEN DEPOSITED IN A SUBTERRANEAN FORMATION;
AND (4) INJECTING THE INTERMIXTURE SO MADE INTO THE FORMATION AND DEPOSITING AT LEAST A PORTION OF SAID INTERMIXTURE THEREIN WHEREBY SAID LIQUID TREATING AGENT IS THEREAFTER GRADUALLY DESORBED FROM THE PARTICULATE SOLID MATERIAL TO IMPROVE AND FACILITATE PRODUCTION OF FLUIDS FROM THE FORMATION.
- (2) ADMIXING THE THUS PREPARED SOLVENTTREATED LIQUID TREATING AGENT WITH A SORBENT PARTICULATE SOLID MATERIAL OF A PARTICLE SIZE SUCH THAT IT WILL SUBSTANTIALLY ALL PASS THROUGH A NUMBER 10 MEASH SIEVE BUT WILL BE RETAINED ON A NUMBER 325 MESH SIEVEE, SELECTED FROM THE CLASS CONSISTING OF FULLER'"'"''"'"'S EARTH, MONTMORILLONITE CLAYS, ACID-TREATED CLAYS, BAUXITE, FLUORITE, ACTIVAATED ALUMINA, BONE CHAR, COKE, CHARCOAL, MAGNESIUM OXIDE, PERLITE, MAGNESIUM HYDROXIDE, SILICA GEL, PUMICE STONE AND ZEOLITE;
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Current AssigneeFred W. Burtch, Jack Sutherlin
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Original AssigneeFred W. Burtch, Jack Sutherlin
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InventorsBurtch, Fred W., Sutherlin, Jack
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Application NumberUS04/028,225Time in Patent Office1,805 DaysField of SearchUS Class Current507/242CPC Class CodesC09K 8/60 Compositions for stimulatin...Y10S 507/922 Fracture fluidY10S 507/933 Acidizing or formation dest...
