[특허]Aphron-containing well drilling and servicing fluids

[미국특허] Aphron-containing well drilling and servicing fluids 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C09K-007/02
출원번호	US-0800727 (1997-02-13)
발명자 / 주소	Brookey Tommy F.
출원인 / 주소	ActiSystems, Inc.
대리인 / 주소	House
인용정보	피인용 횟수 : 35 인용 특허 : 4

초록 ▼

The invention provides a method and fluid for drilling or servicing a well in a subterranean formation containing lost circulation zones or depleted, low pressure reservoirs. A method of decreasing the density of the fluid circulated in a borehole, decreasing the invasion of fluid into formations contacted by the fluid, or decreasing the lost circulation potential of the fluid is provided by using as the fluid an aqueous liquid having dispersed therein a polymer which increases the low shear rate viscosity of the fluid to the extent that the thixotropic index of the fluid is at least about 10 and a surfactant, and wherein the fluid contains aphrons preferably generated by the turbulence and pressure drop as the fluid exits the drill bit in the vicinity of the formation.

대표청구항 ▼

[ What is claimed is:] [12.] A process of drilling a well which comprises circulating within the borehole a drilling fluid comprising an aqueous liquid having dispersed therein a polymer which increases the low shear rate viscosity of the fluid to the extent that the thixotropic index of the fluid is at least about 10 and a surfactant, generating aphrons in the drilling fluid by encapsulating the air available in the drilling fluid, and thereafter re-circulating the aphron-containing drilling fluid within the borehole as drilling proceeds.

이 특허에 인용된 특허 (4) 인용/피인용 타임라인 분석

Dobson ; Jr. James W. ; Rock Ronald Lee, Brine fluids having improved rheological charactersitics.
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Totten Patty L. ; King Bobby L. ; Griffith James E., Foamable drilling fluid and methods of use in well drilling operations.
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Sydansk Robert D. (Littleton CO), Foamed gel completion, workover, and kill fluid.
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Sydansk Robert D. (Littleton CO), Polymer enhanced foam drilling fluid.
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이 특허를 인용한 특허 (35) 인용/피인용 타임라인 분석

Brookey, Tommy F., Aphron-containing aqueous well drilling and servicing fluids.
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Brookey, Tommy F., Aphron-containing well drilling and servicing fluids.
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Tommy F. Brookey, Aphron-containing well drilling and servicing fluids.
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Brookey Tommy F. ; House Roy F., Aphron-containing well drilling and servicing fluids of enhanced stability.
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Tommy F. Brookey ; Roy F. House, Aphron-containing well drilling and servicing fluids of enhanced stability.
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Rea,Tony; Cowan,Jack; Brookey,Tommy F.; Growcock,Frederick B.; Kilchrist,Mike, Colloidal and colloidal-like systems in aqueous, clay-based fluids.
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Brooks, James E.; Yang, Wenbo; Grove, Brenden M.; Walton, Ian C.; Behrmann, Lawrence A., Components and methods for use with explosives.
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Brooks, James E.; Yang, Wenbo; Grove, Brenden M.; Walton, Ian C.; Kothari, Manish; Behrmann, Lawrence A.; Fayard, Alfredo; Markel, Daniel C.; Voreck, Wallace E., Components and methods for use with explosives.
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Brookey, Tommy F.; Cowan, Jack; Kilchrist, Mike, Compositions and methods for sealing formations.
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Brookey,Tommy F.; Cowan,Jack; Kilchrist,Mike, Compositions and methods for sealing formations.
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Creel, Prentice G.; Boatman, Charles L.; Tate, Richard H.; Dalrymple, Eldon Dwyann; Luscombe, Stephen P.; Eubank, John L., Compositions and methods of cementing in subterranean formations using a swelling agent to inhibit the influx of water into a cement slurry.
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Polizzotti, Richard S.; Peiffer, Dennis George; Gupta, Ramesh; Pokutylowicz, Norman M.; Carstensen, Barbara; Luton, Michael J.; Spiecker, Paul Matthew, Compressible objects combined with a drilling fluid to form a variable density drilling mud.
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Polizzotti, Richard S.; Peiffer, Dennis George; Gupta, Ramesh; Pokutylowicz, Norman M.; Carstensen, Barbara; Luton, Michael J.; Spiecker, Paul Matthew, Compressible objects having a predetermined internal pressure combined with a drilling fluid to form a variable density drilling mud.
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Polizzotti, Richard S.; Peiffer, Dennis George; Gupta, Ramesh; Pokutylowicz, Norman M.; Carstensen, Barbara; Luton, Michael J.; Spiecker, Paul Matthew, Compressible objects having partial foam interiors combined with a drilling fluid to form a variable density drilling mud.
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Yang, Wenbo; Grove, Brenden M.; Behrmann, Lawrence A.; Fayard, Alfredo; Markel, Daniel C., Encapsulant providing structural support for explosives.
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Fang, Cindy C.; Thaemlitz, Carl J.; Davidson, Eric, Inverse emulsion polymers as lost circulation material.
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Fang, Cindy C.; Thaemlitz, Carl Joseph; Davidson, Eric, Inverse emulsion polymers as lost circulation material.
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Spiecker, Paul Matthew; Entchev, Pavlin B.; Gupta, Ramesh; Polizzotti, Richard; Carstensen, Barbara; Peiffer, Dennis G.; Pokutylowicz, Norman, Method and apparatus for managing variable density drilling mud.
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Polizzotti, Richard S.; Peiffer, Dennis George; Gupta, Ramesh; Pokutylowicz, Norman M.; Carstensen, Barbara; Luton, Michael J.; Spiecker, Paul Matthew, Method for fabricating compressible objects for a variable density drilling mud.
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Morgan, Julie Benedetta Maria Aline, Method of generating gas bubbles in oleaginous liquids.
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Brookey Tommy F. ; Cowan Jack C., Method of releasing stuck pipe or tools and spotting fluids therefor.
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Creel, Prentice G.; Reddy, B. Raghava; Dalrymple, Eldon D.; Abdulkadir, Ramzi I.; Venditto, James J.; Crook, Ronald J., Methods of delivering material downhole.
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Sweatman, Ronald E.; Vargo, Jr., Richard F.; Kulakofsky, David S.; Escorcia, Alvaro; Ravi, Krishna M., Methods of discovering and correcting subterranean formation integrity problems during drilling.
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Santra, Ashok K.; Reddy, B. Raghava; Zamora, Frank; Gomez, Giddo Antonio Ocana; Morgan, Ronnie G.; Savery, Mark R., Methods of generating a gas in a plugging composition to improve its sealing ability in a downhole permeable zone.
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Sweatman,Ronald E.; Wang,Hong; Deeg,Wolfgang F. J., Methods of improving well bore pressure containment integrity.
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Sweatman,Ronald E.; Wang,Hong; Deeg,Wolfgang F. J., Methods of improving well bore pressure containment integrity.
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Sweatman,Ronald E.; Wang,Hong; Deeg,Wolfgang F. J., Methods of improving well bore pressure containment integrity.
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Sweatman,Ronald E.; Wang,Hong; Deeg,Wolfgang F. J., Methods of improving well bore pressure containment integrity.
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Creel, Prentice G.; Reddy, B. Raghava; Dalrymple, Edlon D., Methods of using a swelling agent in a wellbore.
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Patrick M. Brown ; Michael C. Northrup ; Bart F. Bakke CA, Process for producing a predetermined cesium compound.
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James E. Brooks ; Thomas H. Zimmerman ; Daniel C. Markel ; Wenbo Yang ; James F. Shelton ; Wallace E. Voreck, Shock barriers for explosives.
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Growcock,Frederick B.; Simon,Gerard A., Stabilized colloidal and colloidal-like systems.
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Spiecker, Paul Matthew; Entchev, Pavlin B.; Gupta, Ramesh; Polizzotti, Richard; Carstensen, Barbara; Peiffer, Dennis G.; Pokutylowicz, Norman, System for managing variable density drilling mud.
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Peiffer, Dennis G.; Carstensen, Barbara; Polizzotti, Richard S.; Lustiger, Arnold; Dalrymple, David C.; Matuszek, Walter T., Systems and methods for forming high performance compressible objects.
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Dobson, Jr.,James W.; Rock,Ronald Lee, Viscous oleaginous fluids and methods of drilling and servicing wells therewith.
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[미국특허] Aphron-containing well drilling and servicing fluids 원문보기