Density-matched suspensions and associated methods
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C09K-008/46
C09K-008/60
C04B-016/04
C04B-028/02
C04B-040/00
C09K-008/03
C09K-008/467
C09K-008/473
C09K-008/48
C08K-005/109
C08L-033/26
출원번호
US-0763384
(2013-02-08)
등록번호
US-8940669
(2015-01-27)
발명자
/ 주소
Lewis, Sam
Szymanski, Michael
Gordon, Christopher
출원인 / 주소
Halliburton Energy Services, Inc.
대리인 / 주소
Roddy, Craig W.
인용정보
피인용 횟수 :
0인용 특허 :
42
초록▼
Of the many compositions and methods provided herein, an example method includes a method of treating a subterranean formation that comprises combining components comprising water and a density-matched suspension to prepare a treatment fluid, wherein the density-matched suspension comprises a suspen
Of the many compositions and methods provided herein, an example method includes a method of treating a subterranean formation that comprises combining components comprising water and a density-matched suspension to prepare a treatment fluid, wherein the density-matched suspension comprises a suspending liquid and a solid particle suspended in the suspending liquid, and introducing the treatment fluid into a well bore. An example composition includes a suspension that comprises a suspending liquid comprising a hydrophobic liquid, wherein the hydrophobic liquid hydrolyzes when placed in contact with an aqueous fluid to form hydrophilic products, and a solid particle suspended in the suspending liquid, wherein the suspension is a density-matched suspension.
대표청구항▼
1. A suspension comprising: a suspending liquid comprising a hydrophobic liquid, wherein the hydrophobic liquid hydrolyzes when placed in contact with an aqueous fluid to form one or more hydrophilic product; anda solid particle suspended in the suspending liquid, wherein the suspension is a density
1. A suspension comprising: a suspending liquid comprising a hydrophobic liquid, wherein the hydrophobic liquid hydrolyzes when placed in contact with an aqueous fluid to form one or more hydrophilic product; anda solid particle suspended in the suspending liquid, wherein the suspension is a density-matched suspension, wherein the suspension comprises two or more hydrophobic liquids, and wherein at least one of the hydrophobic liquids has a density higher than the density of the suspension and at least one of the hydrophobic liquids has a density lower than the density of the suspension. 2. The suspension of claim 1, wherein the suspending liquid comprises at least one hydrophobic liquid selected from the group consisting of an acetal, a ketal, and an orthoester. 3. The suspension of claim 1, wherein the suspending liquid comprises at least one hydrophobic liquid selected from the group consisting of propylene carbonate, butylene carbonate, ethylene carbonate, and a glycerin carbonate. 4. The suspension of claim 1, wherein the suspending liquid comprises a mixture of hydrophobic liquids, and the density of the mixture is within about 5% of the density of the solid particle suspended in the mixture. 5. The suspension of claim 1, wherein the pH of the aqueous fluid is greater than 9. 6. The suspension of claim 1, wherein the pH of the aqueous fluid is less than 5. 7. The suspension of claim 1, wherein the suspending liquid comprises cyclic carbonates. 8. The suspension of claim 1, wherein the solid particle comprises a polymer. 9. The suspension of claim 1, wherein the solid particle comprises a polymeric fluid-loss-control additive. 10. The suspension of claim 1, wherein the solid particle has a density in the range of 0.85 grams per cubic centimeter to 1.4 grams per cubic centimeter. 11. The suspension of claim 1, further comprising a suspending agent. 12. The suspension of claim 1, further comprising an organophilic clay. 13. The suspension of claim 1, wherein the solid particle is present in the suspension in an amount of from 10% to about 50% by weight of the suspension. 14. The suspension of claim 1, further comprising a cement composition. 15. The suspension of claim 1, wherein the suspending liquid comprises cyclic carbonates. 16. A suspension comprising: a suspending liquid comprising two or more hydrophobic liquids, wherein the hydrophobic liquids hydrolyze when placed in contact with an aqueous fluid to form one or more hydrophilic product, and wherein at least one of the hydrophobic liquids has a density higher than the density of the suspension and at least one of the hydrophobic liquids has a density lower than the density of the suspension; anda solid particle suspended in the suspending liquid. 17. A cement composition comprising: a cement;water; anda suspension comprising: a suspending liquid comprising a mixture of two or more hydrophobic liquids, wherein the hydrophobic liquids hydrolyze when placed in contact with an aqueous fluid to form one or more hydrophilic product; anda solid particle suspended in the suspending liquid, wherein the density of the mixture of two or more hydrophobic liquids is within about 5% of the density of the solid particle suspended in the suspending liquid, wherein the suspension comprises two or more hydrophobic liquids, and wherein at least one of the hydrophobic liquids has a density higher than the density of the suspension and at least one of the hydrophobic liquids has a density lower than the density of the suspension. 18. The cement composition of claim 17, wherein the solid particle has a density in the range of 0.85 grams per cubic centimeter to 1.4 grams per cubic centimeter. 19. The cement composition of claim 17, wherein the suspending liquid comprises cyclic carbonates.
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