[미국특허]
Settable compositions comprising unexpanded perlite and methods of cementing in subterranean formations
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
E21B-033/13
E21B-033/14
C04B-028/02
C04B-028/04
C09K-008/46
출원번호
US-0975196
(2010-12-21)
등록번호
US-8403045
(2013-03-26)
발명자
/ 주소
Brenneis, Chad
Karcher, Jeffery
Roddy, Craig W.
출원인 / 주소
Halliburton Energy Services, Inc.
대리인 / 주소
Roddy, Craig W.
인용정보
피인용 횟수 :
45인용 특허 :
225
초록▼
An embodiment of the present invention comprises a method of cementing comprising: placing a settable composition into a well bore, the settable composition comprising unexpanded perlite, cement kiln dust, and water; and allowing the settable composition to set. Another embodiment of the present inv
An embodiment of the present invention comprises a method of cementing comprising: placing a settable composition into a well bore, the settable composition comprising unexpanded perlite, cement kiln dust, and water; and allowing the settable composition to set. Another embodiment of the present invention comprises a method of cementing comprising: placing a settable composition into a well bore, the settable composition comprising ground unexpanded perlite, Portland cement interground with pumicite, and water; and allowing the settable composition to set. Yet another embodiment of the present invention comprises a settable composition comprising: ground unexpanded perlite; cement kiln dust; and water.
대표청구항▼
1. A method of cementing comprising: placing a settable composition into a well bore, the settable composition comprising unexpanded perlite, cement kiln dust, pumicite, and water; andallowing the settable composition to set. 2. The method of claim 1 wherein the settable composition has a density of
1. A method of cementing comprising: placing a settable composition into a well bore, the settable composition comprising unexpanded perlite, cement kiln dust, pumicite, and water; andallowing the settable composition to set. 2. The method of claim 1 wherein the settable composition has a density of about 8 pounds per gallon to about 16 pounds per gallon. 3. The method of claim 1 wherein the unexpanded perlite is ground to a mean particle size of about 1 micron to about 400 microns. 4. The method of claim 1 wherein the unexpanded perlite is ground to a mean particle size of about 1 microns to about 100 microns. 5. The method of claim 1 wherein the unexpanded perlite is present in an amount of about 1% to about 75% by weight of cementitious components in the settable composition. 6. The method of claim 1 wherein the cement kiln dust is present in an amount of about 1% to about 95% by weight of cementitious components in the settable composition. 7. The method of claim 1 wherein the water comprises at least one water selected from the group consisting of freshwater, saltwater, brine, seawater, and any combination thereof. 8. The method of claim 1 wherein the water is present in an amount of about 40% to about 200% by weight of cementitious components. 9. The method of claim 1 wherein settable composition further comprises a cement and pumicite mixture comprising pumicite interground with Portland cement. 10. The method of claim 9 wherein the cement and pumicite mixture has a mean particle size of about 0.5 microns to about 10 microns. 11. The method of claim 1 wherein the settable composition further comprises lime. 12. The method of claim 1 wherein the settable composition further comprises at least one additive selected from the group consisting of fly ash, slag cement, metakaolin, shale, zeolite, crystalline silica, amorphous silica, fumed silica, salt, fiber, hydratable clay, microsphere, rice husk ash, elastomer, elastomeric particle, resin, latex, and any combination thereof. 13. The method of claim 1 wherein the settable composition further comprises at least one additive selected from the group consisting of a set retarding additive, a strength-retrogression additive, a set accelerator, a weighting agent, a lightweight additive, a gas-generating additive, a mechanical property enhancing additive, a lost-circulation material, a filtration-control additive, a dispersant, a fluid loss control additive, a defoaming agent, a foaming agent, an oil-swellable particle, a water-swellable particle, a thixotropic additive, and any combination thereof. 14. The method of claim 1 wherein the settable composition is allowed to set in the well bore at a temperature of greater than about 120° F. 15. The method of claim 1 wherein the settable composition is allowed to set in the well bore in an annulus between a subterranean formation and a conduit in the well bore. 16. The method of claim 1 further comprising squeezing the settable composition in an opening, the opening comprising at least one opening selected from the group consisting of an opening in a subterranean formation, an opening in a gravel pack, an opening in a conduit, and a microannulus between a cement sheath and a conduit. 17. A method of cementing comprising: placing a settable composition into a well bore, the settable composition comprising: unexpanded perlite in an amount of about 20% to about 50% by weight of cementitious components, wherein unexpanded perlite is ground to a mean particle size of about 1 micron to about 100 microns,cement kiln dust in an amount of about 50% to about 80% by weight of the cementitious components,lime in an amount of about 1% to about 10% by weight of the cementitious components, and water; andallowing the settable composition to set. 18. The method of claim 17 wherein the settable composition has a density of about 8 pounds per gallon to about 16 pounds per gallon, and wherein the water is present in an amount of about 40% to about 200% by weight of cementitious components. 19. The method of claim 17 wherein settable composition further comprises a cement and pumicite mixture comprising pumicite interground with Portland cement. 20. The method of claim 19 wherein the cement and pumicite mixture has a mean particle size of about 0.5 microns to about 10 microns. 21. The method of claim 17 wherein the settable composition further comprises at least one additive selected from the group consisting of fly ash, slag cement, metakaolin, shale, zeolite, crystalline silica, amorphous silica, fumed silica, salt, fiber, hydratable clay, microsphere, rice husk ash, elastomer, elastomeric particle, resin, latex, and any combination thereof. 22. The method of claim 17 wherein the settable composition further comprises at least one additive selected from the group consisting of a set retarding additive, a strength-retrogression additive, a set accelerator, a weighting agent, a lightweight additive, a gas-generating additive, a mechanical property enhancing additive, a lost-circulation material, a filtration-control additive, a dispersant, a fluid loss control additive, a defoaming agent, a foaming agent, an oil-swellable particle, a water-swellable particle, a thixotropic additive, and any combination thereof. 23. The method of claim 17 wherein the settable composition is allowed to set in the well bore in an annulus between a subterranean formation and a conduit in the well bore. 24. The method of claim 17 further comprising squeezing the settable composition in an opening, the opening comprising at least one opening selected from the group consisting of an opening in a subterranean formation, an opening in a gravel pack, an opening in a conduit, and a microannulus between a cement sheath and a conduit. 25. A method of cementing comprising: placing a settable composition, the settable composition comprising: ground and unexpanded perlite in an amount sufficient to increase compressive strength of the settable composition,cement kiln dust,a cement and pumicite mixture comprising pumicite interground with cement,water; andallowing the settable composition to set. 26. The method of claim 25 wherein the settable composition has a density of about 8 pounds per gallon to about 16 pounds per gallon, and wherein the water is present in an amount of about 40% to about 200% by weight of cementitious components. 27. The method of claim 25 wherein the ground and unexpanded perlite is ground to a mean particle size of about 1 micron to about 400 microns. 28. The method of claim 25 wherein the ground and unexpanded perlite is ground to a mean particle size of about 1 microns to about 100 microns. 29. The method of claim 25 wherein the ground and unexpanded perlite is present in an amount of about 1% to about 75% by weight of cementitious components in the settable composition, and wherein the cement kiln dust is present in an amount of about 1% to about 95% by weight of the cementitious components in the settable composition. 30. The method of claim 25 wherein the cement and pumicite mixture has a mean particle size of about 0.5 microns to about 10 microns. 31. The method of claim 25 wherein the settable composition further comprises lime. 32. The method of claim 25 wherein the settable composition further comprises at least one additive selected from the group consisting of fly ash, slag cement, metakaolin, shale, zeolite, crystalline silica, amorphous silica, fumed silica, salt, fiber, hydratable clay, microsphere, rice husk ash, elastomer, elastomeric particle, resin, latex, and any combination thereof. 33. The method of claim 25 wherein the settable composition further comprises at least one additive selected from the group consisting of a set retarding additive, a strength-retrogression additive, a set accelerator, a weighting agent, a lightweight additive, a gas-generating additive, a mechanical property enhancing additive, a lost-circulation material, a filtration-control additive, a dispersant, a fluid loss control additive, a defoaming agent, a foaming agent, an oil-swellable particle, a water-swellable particle, a thixotropic additive, and any combination thereof. 34. The method of claim 25 wherein the settable composition is placed into a well bore. 35. The method of claim 25, wherein the settable composition is placed into a well bore, and allowed to set in the well bore in an annulus between a subterranean formation and a conduit in the well bore.
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