Set-delayed cement compositions comprising pumice and associated methods
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C04B-041/00
C04B-028/18
C04B-040/06
C09K-008/467
출원번호
US-0634764
(2015-02-28)
등록번호
US-9790132
(2017-10-17)
발명자
/ 주소
Pisklak, Thomas Jason
Agapiou, Kyriacos
Morgan, Ronnie Glen
Lewis, Samuel Jason
Brothers, Lance Everett
출원인 / 주소
Halliburton Energy Services, Inc.
대리인 / 주소
Roddy, Craig W.
인용정보
피인용 횟수 :
1인용 특허 :
104
초록▼
Disclosed is a method of spraying a surface with a set-delayed cement. The method comprises providing a set-delayed cement composition comprising water, pumice, hydrated lime, and a set retarder; spraying a surface with the set-delayed cement composition; and allowing the set-delayed cement composit
Disclosed is a method of spraying a surface with a set-delayed cement. The method comprises providing a set-delayed cement composition comprising water, pumice, hydrated lime, and a set retarder; spraying a surface with the set-delayed cement composition; and allowing the set-delayed cement composition to set on the surface.
대표청구항▼
1. A method of spraying a surface with a set-delayed cement composition, the method comprising: providing a set-delayed cement composition comprising water, pumice, hydrated lime, and a set retarder;conveying the set-delayed cement composition though a conduit and a nozzle;activating the set-delayed
1. A method of spraying a surface with a set-delayed cement composition, the method comprising: providing a set-delayed cement composition comprising water, pumice, hydrated lime, and a set retarder;conveying the set-delayed cement composition though a conduit and a nozzle;activating the set-delayed cement composition with a cement set activator within the nozzle to produce an activated cement composition, wherein the activating the set-delayed cement composition comprises contacting the set-delayed cement composition and the cement set activator within the nozzle, wherein the activator is provided in an amount such that the activated cement composition has a thickening time in a range of about 30 seconds to about 10 minutes;spraying a surface with the activated cement composition; andallowing the activated cement composition to set on the surface. 2. The method of claim 1 wherein the set retarder comprises at least one retarder selected from the group consisting of a phosphate, a phosphonate, a phosphonic acid, a phosphonic acid derivative, a lignosulfonate, a salt, an organic acid, a carboxymethylated hydroxyethylated cellulose, a synthetic co- or ter-polymer comprising sulfonate and carboxylic acid groups, a borate compound, and any mixture thereof. 3. The method of claim 1 wherein the cement set activator selected from the group consisting of a zeolite, amine, silicate, Group IA hydroxide, Group IIA hydroxide, monovalent salt, divalent salt, nanosilica, polyphosphate, and any combination thereof. 4. The method of claim 1 wherein the set-delayed cement composition further comprises a fiber. 5. The method of claim 1 wherein the set-delayed cement composition further comprises a dispersant selected from the group consisting of a sulfonated-formaldehyde-based dispersant, a polycarboxylated ether dispersant, and any combination thereof. 6. The method of claim 1 further comprising, prior to the spraying step, storing the set-delayed cement composition for a period of at least about 1 day. 7. The method of claim 1, wherein the surface is disposed about, on, or within a mine, a pond, a creek, a river, the ocean floor, a beach shore, a wall, a ceiling, a floor, an attic, or a basement. 8. The method of claim 1, wherein the set-delayed cement composition is disposed within a mine and wherein the set-delayed cement composition is pumped from a vessel outside of the mine into the mine. 9. The method of claim 1, wherein the set-delayed cement composition is foamed. 10. The method of claim 1, wherein the set-delayed cement composition comprises refractory materials. 11. The method of claim 1, wherein the set-delayed cement composition comprises a dye and/or beads. 12. A method of coating a surface with a set-delayed cement composition, the method comprising: providing a set-delayed cement composition comprising water, pumice, hydrated lime, and a set retarder;conveying the set-delayed cement composition though a nozzle and conduit wherein the nozzle is coupled to the conduit;activating the set-delayed cement composition with a Group IA hydroxide, Group IIA hydroxide, or combinations thereof to produce an activated cement composition;coating a surface with the activated cement composition; andallowing the activated cement composition to set on the surface. 13. The method of claim 12 wherein the set retarder comprises at least one retarder selected from the group consisting of a phosphate, a phosphonate, a phosphonic acid, a phosphonic acid derivative, a lignosulfonate, a salt, an organic acid, a carboxymethylated hydroxyethylated cellulose, a synthetic co- or ter-polymer comprising sulfonate and carboxylic acid groups, a borate compound, and any mixture thereof. 14. The method of claim 12 wherein the cement set activator further comprises an activator selected from the group consisting of a zeolite, amine, silicate, monovalent salt, divalent salt, nanosilica, polyphosphate, and any combination thereof. 15. The method of claim 12 wherein the activated cement composition comprises a thickening time in a range between about 30 seconds to about 10 minutes. 16. The method of claim 12 wherein the coating a surface with the activated cement composition comprises painting the surface with the set-delayed cement composition or dipping the surface into a vessel containing the activated cement composition.
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