Methods and compositions for use in oil and/or gas wells
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C09K-008/60
E21B-043/16
C09K-008/035
C09K-008/584
C09K-008/42
C09K-008/03
C09K-008/40
C09K-008/74
C09K-008/52
출원번호
US-0712521
(2015-05-14)
등록번호
US-9505970
(2016-11-29)
발명자
/ 주소
Vaughn, Derek
Champagne, Lakia M.
Silas, James
출원인 / 주소
Flotek Chemistry, LLC
대리인 / 주소
Wolf, Greenfield & Sacks, P.C.
인용정보
피인용 횟수 :
1인용 특허 :
163
초록▼
Methods and compositions (e.g., comprising an emulsion or a microemulsion) for use in various aspects of the life cycle of an oil and/or gas well are provided. In some embodiments, an emulsion or the microemulsion comprises water, a solvent, and a surfactant, and optionally, one or more additives. I
Methods and compositions (e.g., comprising an emulsion or a microemulsion) for use in various aspects of the life cycle of an oil and/or gas well are provided. In some embodiments, an emulsion or the microemulsion comprises water, a solvent, and a surfactant, and optionally, one or more additives. In some embodiments, a concentrate is provided which may be used to form an emulsion or microemulsion.
대표청구항▼
1. A method of treating a well having a wellbore, comprising: injecting a thermodynamically unstable emulsion into the wellbore, wherein the emulsion comprises: a concentrate comprising: a first type of surfactant, wherein the first type of surfactant is a nonionic surfactant;a second type of surfac
1. A method of treating a well having a wellbore, comprising: injecting a thermodynamically unstable emulsion into the wellbore, wherein the emulsion comprises: a concentrate comprising: a first type of surfactant, wherein the first type of surfactant is a nonionic surfactant;a second type of surfactant, wherein the second type of surfactant is selected from the group consisting of polyamines, polyimines, polyesters, and resins; anda first type of solvent comprising a terpene;wherein the ratio of the first type of surfactant and the second type of surfactant is between about 1:4 and about 4:1;and a dilution fluid comprising a second type of solvent and an acid. 2. The method of claim 1, wherein the first type of surfactant comprises a linear alcohol ethoxylate. 3. The method of claim 1, wherein the first type of surfactant is selected from the group consisting of castor oil ethoxylates, coco fatty acid ethoxylates, tridecyl alcohol ethoxylates, guerbet alcohol ethoxylates, sorbitan esters and polyoxyethylene sorbitan esters. 4. The method of claim 1, wherein the second type of surfactant is selected from the group consisting of alkoxylated polyamines and alkoxylated polyimines. 5. The method of claim 1, wherein the first type of solvent is d-limonene. 6. The method of claim 1, wherein the acid is hydrochloric acid. 7. The method of claim 1, wherein the acid is an organic acid. 8. The method of claim 1 wherein the acid is an inorganic acid. 9. The method of claim 1, wherein the acid is selected from the group consisting of hydrochloric acid, hydrofluoric acid, acetic acid, citric acid, formic acid, lactic acid, mud acid and methane sulfonic acid. 10. The method of claim 1, wherein the second type of surfactant is an alkoxylated polyamine. 11. The method of claim 1, wherein the first type of solvent is d-limonene and the second type of surfactant is selected from the group consisting of alkoxylated polyamines and alkoxylated polyimines. 12. The method of claim 11, wherein the acid is selected from the group consisting of hydrochloric acid, hydrofluoric acid, acetic acid, citric acid, formic acid, lactic acid, mud acid and methane sulfonic acid. 13. A method of treating a well having a wellbore, comprising: injecting a thermodynamically unstable emulsion into the wellbore, wherein the emulsion comprises:a concentrate comprising: a first type of surfactant, wherein the first type of surfactant is a nonionic surfactant;a second type of surfactant, wherein the second type of surfactant is selected from the group consisting of polyamines, polyimines, polyesters, and resins; anda first type of solvent selected from the group consisting of methyl esters of plant-derived fatty acids; de-aromatized aliphatic hydrocarbon solvents; di-butyl ether; di-hexyl ether; and glutaric acid, 2-methyl-, dimethyl ester;wherein the ratio of the first type of surfactant and the second type of surfactant is between about 1:4 and about 4:1; anda dilution fluid comprising a second type of solvent and an acid. 14. The method of claim 13, wherein the first type of solvent is a methyl ester of a plant-derived fatty acid, wherein the plant-derived fatty acid is derived from a plant selected from the group consisting of soy, canola, palm and coconut. 15. The method of claim 14, wherein the first type of solvent is a methyl ester of a plant-derived fatty acid and is a metathesis reaction product of the plant-derived fatty acid.
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이 특허에 인용된 특허 (163)
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