Composition and method relating to the prevention and remediation of surfactant gel damage
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C09K-008/524
C09K-008/52
C09K-008/035
C09K-008/68
출원번호
US-0611357
(2012-09-12)
등록번호
US-9074120
(2015-07-07)
발명자
/ 주소
Welton, Thomas D.
출원인 / 주소
Halliburton Energy Services, Inc.
대리인 / 주소
McDermott Will & Emery LLP
인용정보
피인용 횟수 :
2인용 특허 :
71
초록▼
Methods for treating a subterranean formation can comprise introducing a treatment fluid comprising dicarboxymethyl glutamic acid (GLDA) or a salt thereof into a subterranean formation. Methods for treating a sandstone formation can comprise introducing a treatment fluid comprising GLDA or a salt th
Methods for treating a subterranean formation can comprise introducing a treatment fluid comprising dicarboxymethyl glutamic acid (GLDA) or a salt thereof into a subterranean formation. Methods for treating a sandstone formation can comprise introducing a treatment fluid comprising GLDA or a salt thereof into a sandstone formation, the treatment fluid having a pH above about 3.
대표청구항▼
1. A method comprising: providing a portion of a subterranean formation that comprises surfactant gel damage residue from a previous treatment, the portion of the subterranean formation having a first permeability;placing a treatment fluid in the portion of the subterranean formation, the treatment
1. A method comprising: providing a portion of a subterranean formation that comprises surfactant gel damage residue from a previous treatment, the portion of the subterranean formation having a first permeability;placing a treatment fluid in the portion of the subterranean formation, the treatment fluid comprising a nonemulsifier and dicarboxymethyl glutamic acid (GLDA) or a salt thereof; and,interacting the GLDA or a salt thereof with the surfactant gel damage residue so as to increase the permeability of the subterranean formation to a second permeability, the second permeability being greater than the first permeability and showing a permeability regain of greater than 26%. 2. The method of claim 1 wherein the GLDA or salt thereof comprises between about 5% to about 60% of the treatment fluid by weight. 3. The method of claim 1 wherein the treatment fluid has a pH of above about 3. 4. The method of claim 1, wherein the treatment fluid further comprises surfactant, a corrosion inhibitor, a mutual solvent, or any combination thereof. 5. The method of claim 1, wherein the treatment fluid further comprises surfactant, a corrosion inhibitor, and a mutual solvent. 6. The method of claim 5, wherein the surfactant comprises between about 0.5% to about 10% by volume of the treatment fluid. 7. The method of claim 5, wherein the surfactant comprises between about 0.5% to about 10% by volume of the treatment fluid and the GLDA or salt thereof comprises between about 5% to about 60% of the treatment fluid by weight. 8. The method of claim 1, wherein the subterranean formation comprises a sandstone formation. 9. The method of claim 1, wherein the permeability regain is greater than 50%. 10. A method comprising: providing a portion of a sandstone subterranean formation that comprises surfactant gel damage residue from a previous treatment, the portion of the subterranean formation having a first permeability;placing a treatment fluid in the portion of the sandstone subterranean formation, the treatment fluid comprising a nonemulsifier and dicarboxymethyl glutamic acid (GLDA) or a salt thereof; and,interacting the GLDA or a salt thereof with the surfactant gel damage residue so as to increase the permeability of the sandstone subterranean formation to a second permeability, the second permeability being greater than the first permeability and showing a permeability regain of greater than 26%. 11. The method of claim 10 wherein the GLDA or salt thereof comprises between about 5% to about 60% of the treatment fluid by weight. 12. The method of claim 10 wherein the treatment fluid has a pH of above about 3. 13. The method of claim 10, wherein the treatment fluid further comprises surfactant, a corrosion inhibitor, a mutual solvent, or any combination thereof. 14. The method of claim 10, wherein the treatment fluid further comprises surfactant, a corrosion inhibitor, and a mutual solvent. 15. The method of claim 14, wherein the surfactant comprises between about 0.5% to about 10% by volume of the treatment fluid. 16. The method of claim 14, wherein the surfactant comprises between about 0.5% to about 10% by volume of the treatment fluid and the GLDA or salt thereof comprises between about 5% to about 60% of the treatment fluid by weight. 17. The method of claim 10, wherein the permeability regain is greater than 50%. 18. A method comprising: providing a portion of a sandstone subterranean formation that comprises surfactant gel damage residue from a previous treatment, the portion of the subterranean formation having a first permeability;placing a treatment fluid having a pH of above about 3 into the portion of the sandstone subterranean formation, the treatment fluid comprising: a nonemulsifier,dicarboxymethyl glutamic acid (GLDA) or a salt thereof in an amount between about 5% to about 60% by weight of the treatment fluid, and,a surfactant in an amount between about 0.5% to about 10% by volume of the treatment fluid,a corrosion inhibitor, and,a mutual solvent;interacting the GLDA or a salt thereof with the surfactant gel damage residue so as to increase the permeability of the sandstone subterranean formation to a second permeability, the second permeability being greater than the first permeability and showing a permeability regain of greater than 26%. 19. The method of claim 18, wherein the treatment fluid further comprises surfactant, a corrosion inhibitor, and a mutual solvent and wherein the surfactant comprises between about 1% to about 5% by volume of the treatment fluid and the GLDA or salt thereof comprises between about 5% to about 60% of the treatment fluid by weight. 20. The method of claim 18, wherein the permeability regain is greater than 50%.
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