Methods and compositions for stimulating the production of hydrocarbons from subterranean formations
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C09K-008/68
C09K-008/584
출원번호
US-0829434
(2013-03-14)
등록번호
US-9068108
(2015-06-30)
발명자
/ 주소
Hill, Randal M.
Champagne, Lakia M.
Lett, Nathan L.
Green, Maria Elizabeth
출원인 / 주소
CESI Chemical, Inc.
대리인 / 주소
Wolf, Greenfield & Sacks, P.C.
인용정보
피인용 횟수 :
9인용 특허 :
147
초록▼
Methods and compositions for stimulating of the production of hydrocarbons (e.g., formation crude oil and/or formation gas) from subterranean formations are provided. In some embodiments, the compositions are emulsions or microemulsions, which may include water, a terpene, and a surfactant. In some
Methods and compositions for stimulating of the production of hydrocarbons (e.g., formation crude oil and/or formation gas) from subterranean formations are provided. In some embodiments, the compositions are emulsions or microemulsions, which may include water, a terpene, and a surfactant. In some embodiments, methods of selecting a composition for treating an oil or gas well are provided.
대표청구항▼
1. An emulsion or a microemulsion for stimulating an oil or gas well, comprising: an aqueous phase;a surfactant, wherein the surfactant is present in an amount between about 15 wt % and about 55 wt % versus the total composition;a freezing point depression agent, wherein the freezing point depressio
1. An emulsion or a microemulsion for stimulating an oil or gas well, comprising: an aqueous phase;a surfactant, wherein the surfactant is present in an amount between about 15 wt % and about 55 wt % versus the total composition;a freezing point depression agent, wherein the freezing point depression agent is present in an amount between about 5 wt % and 40 wt % versus the total composition; andan oil continuous phase being a terpene, wherein the terpene is nopol and wherein the nopol is present in an amount between about 5 wt % and about 40 wt % versus the total composition, and wherein the ratio of water to terpene is between about 3:1 and about 1:2. 2. An emulsion or a microemulsion for stimulating an oil or gas well, comprising: an aqueous phase;a surfactant, wherein the surfactant is present in an amount between about 15 wt % and about 55 wt % versus the total composition;a freezing point depression agent, wherein the freezing point depression agent is present in an amount between about 5 wt % and 40 wt % versus the total composition; andan oil continuous phase being a terpene, wherein the terpene is eucalyptol, and wherein the eucalyptol is present in an amount between about 5 wt % and about 40 wt % versus the total composition, and wherein the ratio of water to terpene is between about 3:1 and about 1:2. 3. The emulsion or the microemulsion of claim 1, wherein the ratio of water to terpene is between about 3:1 and about 1:2. 4. The emulsion or the microemulsion of claim 1, wherein the ratio of water to terpene is between about 10:1 and about 3:1. 5. The emulsion or the microemulsion of claim 1, wherein the emulsion or the microemulsion comprises a first type of freezing point depression agent and a second type of freezing point depression agent. 6. The emulsion or the microemulsion of claim 1, wherein the freezing point depression agent comprises an alkylene glycol, an alcohol, and/or a salt. 7. The emulsion or the microemulsion of claim 1, wherein the freezing point depression agent is present in an amount between about 5 wt % and about 40 wt %. 8. The emulsion or the microemulsion of claim 1, wherein the emulsion or the microemulsion comprises a first type of surfactant and a second type of surfactant. 9. The emulsion or the microemulsion of claim 1, wherein the surfactant is selected from the group consisting of alkyl polyglycol or alkyl polyglucoside nonionic surfactants, or mixtures of said nonionic surfactants with an ionic surfactant comprising anionic, cationic, or zwitterionic surfactants. 10. The emulsion or the microemulsion of claim 1, wherein the surfactant is present in an amount between about 15 wt % and 55 wt %. 11. A composition for injecting into a wellbore, comprising: an aqueous carrier fluid; andan emulsion or a microemulsion as in claim 1, wherein the emulsion or the microemulsion is present in an amount between about 0.1 wt % and about 2 wt % versus the total composition. 12. The emulsion or the microemulsion of claim 2, wherein the emulsion or the microemulsion comprises a first type of freezing point depression agent and a second type of freezing point depression agent. 13. The emulsion or the microemulsion of claim 2, wherein the freezing point depression agent comprises an alkylene glycol, an alcohol, and/or a salt. 14. The emulsion or the microemulsion of claim 2, wherein the emulsion or the microemulsion comprises a first type of surfactant and a second type of surfactant. 15. The emulsion or the microemulsion of claim 2, wherein the surfactant is selected from the group consisting of alkyl polyglycol or alkyl polyglucoside nonionic surfactants, or mixtures of said nonionic surfactants with an ionic surfactant comprising anionic, cationic, or zwitterionic surfactants. 16. A composition for injecting into a wellbore, comprising: an aqueous carrier fluid; andan emulsion or a microemulsion as in claim 2, wherein the emulsion or the microemulsion is present in an amount between about 0.1 wt % and about 2 wt % versus the total composition.
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이 특허에 인용된 특허 (147)
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