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특허 상세정보

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Acid treatment method for siliceous formations

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) E21B-043/27   
미국특허분류(USC) 166/307 ; 507/237 ; 507/923 ; 507/933
출원번호 US-0367487 (1994-12-30)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 44  인용 특허 : 0
초록
▼

A method of stimulating production in sandstone formations of oil and gas wells is achieved by using an acid system which slowly dissolves the silicate and clay formations of the sandstone to increase its permeability. The acid system uses phosphonate compounds, including phosphonate acids and the salts and esters thereof, in combination with hydrofluoric acid. The hydrofluoric acid may be provided by hydrolyzing ammonium bifluoride or hydrofluoric acid itself. The phosphonate compounds of the acid systems retard the rate at which the hydrofluoric acid r...

대표
청구항
▼

A method of treating a siliceous formation to increase the formation\s permeability, comprising the steps of: preparing a treatment solution containing an amount of a phosphonate compound and a compound capable of dissolving siliceous materials of the formation; and then contacting the siliceous formation with the solution so that siliceous materials within the formation are dissolved, the phosphonate compound adsorbing to non-silica materials of the formation so that the rate of reaction of the non-silica materials with said compound capable of dissolvi...

이 특허를 인용한 특허 피인용횟수: 44

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  4. Reyes, Enrique A.; Weaver, Jimmie D.; Blauch, Matt E.; McMechan, David E.. Additives to suppress silica scale build-up. USP2014088794322.
  5. Reyes, Enrique A.. Additives to suppress silica scale build-up and methods of use thereof. USP2014118881811.
  6. Bailey, Louise; Grover, Boyd. Anti-accretion additives for drilling fluids. USP2004106803346.
  7. Reyes, Enrique A.; Weaver, Jimmie D.; Luo, Hongyu. Ceramic coated particulates. USP2012028119576.
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  21. Taylor, Robert S.; Funkhouser, Gary P.. Methods and compositions for treating subterranean formations with gelled hydrocarbon fluids. USP2003016511944.
  22. Welton, Thomas D.; Nguyen, Philip D.. Methods and compostions for preventing scale and diageneous reactions in subterranean formations. USP2013128598094.
  23. Beuterbaugh, Aaron Michael; Reyes, Enrique Antonio; Smith, Alyssa. Methods and systems for acidizing subterranean formations. USP2017019540560.
  24. Beuterbaugh, Aaron Michael; Reyes, Enrique Antonio; LaBlanc, Alyssa Lynn. Methods and systems for protecting acid-reactive substances. USP2017119809716.
  25. Smith, Alyssa Lynn; Reyes, Enrique Antonio; Beuterbaugh, Aaron Michael. Methods and systems for removing geothermal scale. USP20180610005950.
  26. Smith, Alyssa Lynn; Reyes, Enrique Antonio; Beuterbaugh, Aaron M.. Methods and systems for suppressing corrosion of sensitive metal surfaces. USP20190310221347.
  27. Reyes, Enrique A.; Smith, Alyssa L.. Methods for acidizing a subterranean formation using a stabilized microemulsion carrier fluid. USP2017069670399.
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  34. Brandsch, Rainer; Dick, Stefan; Schurz, Klaus; Rennar, Nikolaus; Siedler, Andreas. Rubber mixture that can be cross-linked by sulfur, method for the production thereof, and cross-linked rubber mixtures and shaped bodies that can be obtained therefrom. USP2005026852786.
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  40. Reyes, Enrique Antonio; Smith, Alyssa Lynn. Treatment fluids comprising a hydroxypyridinecarboxylic acid and methods for use thereof. USP2016059334716.
  41. Reyes, Enrique A.. Treatment fluids comprising a stabilizing compound having quaternized amine groups and methods for use thereof. USP2017089738823.
  42. Reyes, Enrique A.; Welton, Thomas D.. Treatment fluids containing a biodegradable chelating agent and methods for use thereof. USP2015059027647.
  43. Reyes, Enrique A.. Treatment fluids containing a boron trifluoride complex and methods for use thereof. USP2015099127194.
  44. Reyes, Enrique A.; Welton, Thomas D.. Treatment fluids containing biodegradable chelating agents and methods for use thereof. USP2015099120964.

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