Treatment fluids comprising a hydroxypyridinecarboxylic acid and methods for use thereof
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
E21B-043/16
C09K-008/72
C09K-008/74
출원번호
US-0837090
(2013-03-15)
등록번호
US-9334716
(2016-05-10)
발명자
/ 주소
Reyes, Enrique Antonio
Smith, Alyssa Lynn
출원인 / 주소
Halliburton Energy Services, Inc.
대리인 / 주소
McDermott Will & Emery LLP
인용정보
피인용 횟수 :
0인용 특허 :
65
초록▼
Treatment fluids can mitigate the occurrence or effects of precipitation in a subterranean formation through complexation of a metal ion therein. Methods for treating a subterranean formation can comprise: providing a treatment fluid comprising a hydroxypyridinecarboxylic acid, a salt thereof, or a
Treatment fluids can mitigate the occurrence or effects of precipitation in a subterranean formation through complexation of a metal ion therein. Methods for treating a subterranean formation can comprise: providing a treatment fluid comprising a hydroxypyridinecarboxylic acid, a salt thereof, or a tautomer thereof; introducing the treatment fluid into a subterranean formation; and complexing a metal ion in the subterranean formation with the hydroxypyridinecarboxylic acid.
대표청구항▼
1. A method comprising: providing a treatment fluid comprising a hydroxypyridinecarboxylic acid, a salt thereof, a tautomer thereof, or a combination thereof; wherein the hydroxypyridinecarboxylic acid has a 1,2-arrangement of a hydroxyl group and a carboxylic acid group on a pyridine ring;introduci
1. A method comprising: providing a treatment fluid comprising a hydroxypyridinecarboxylic acid, a salt thereof, a tautomer thereof, or a combination thereof; wherein the hydroxypyridinecarboxylic acid has a 1,2-arrangement of a hydroxyl group and a carboxylic acid group on a pyridine ring;introducing the treatment fluid into a subterranean formation; andcomplexing a metal ion in the subterranean formation with the hydroxypyridinecarboxylic acid by forming a chelate. 2. The method of claim 1, wherein the metal ion is selected from the group consisting of an aluminum ion, a ferric ion, and any combination thereof. 3. The method of claim 1, wherein the hydroxypyridinecarboxylic acid has a structure selected from the group consisting of wherein Q1-Q3 are independently H or any substituent. 4. The method of claim 1, further comprising: introducing an acid into the subterranean formation. 5. The method of claim 4, wherein the acid comprises hydrofluoric acid. 6. The method of claim 4, wherein the acid is present in the treatment fluid. 7. The method of claim 6, wherein the treatment fluid has a pH ranging between about 0 and about 7. 8. The method of claim 6, wherein the treatment fluid has a pH ranging between about 0 and about 2. 9. The method of claim 6, wherein the treatment fluid further comprises a chelating agent. 10. A method comprising: providing a treatment fluid comprising: a hydroxypyridinecarboxylic acid, a salt thereof, a tautomer thereof, or a combination thereof; wherein the hydroxypyridinecarboxylic acid has a 1, 2- arrangement of a hydroxyl group and a carboxylic acid group on a pyridine ring; andhydrofluoric acid;introducing the treatment fluid into a subterranean formation;dissolving a metal ion in the subterranean formation; andcomplexing the metal ion in the subterranean formation with the hydroxypyridinecarboxylic acid by forming a chelate. 11. The method of claim 10, wherein the metal ion is selected from the group consisting of an aluminum ion, a ferric ion, and any combination thereof. 12. The method of claim 10, wherein the metal ion is dissolved with the hydrofluoric acid. 13. The method of claim 10, wherein the treatment fluid has a pH ranging between about 0 and about 7. 14. The method of claim 10, wherein the treatment fluid has a pH ranging between about 0 and about 2. 15. The method of claim 10, wherein the treatment fluid further comprises a chelating agent. 16. The method of claim 10, wherein the hydroxypyridinecarboxylic acid has a structure selected from the group consisting of wherein Q1-Q3 are independently H or any substituent. 17. The method of claim 10, wherein the treatment fluid further comprises a carrier fluid comprising an alkali metal ion.
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