Combined scale inhibitor and water control treatments
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
E21B-037/06
출원번호
US-0359904
(2003-02-06)
발명자
/ 주소
Powell, Peter
Singleton, Michael A.
Sorbie, Kenneth S.
출원인 / 주소
Baker Hughes Incorporated
대리인 / 주소
Madan, Mossman &
인용정보
피인용 횟수 :
15인용 특허 :
17
초록▼
A combined scale inhibitor treatment and water control treatment requires fewer steps than the sum of each treatment procedure practiced separately. The control of water production simultaneously further reduces the amount of scale formed. Conventional water control chemicals and scale inhibitors of
A combined scale inhibitor treatment and water control treatment requires fewer steps than the sum of each treatment procedure practiced separately. The control of water production simultaneously further reduces the amount of scale formed. Conventional water control chemicals and scale inhibitors of a wide variety of types can still be employed to advantage, and the same equipment may be used as employed for the treatments implemented separately.
대표청구항▼
1. A method for inhibiting the formation of scale and the production of water in a well in a subterranean formation having at least one water production zone comprising:shutting in the well; injecting a water control treatment into the water production zone, where the water control treatment is sele
1. A method for inhibiting the formation of scale and the production of water in a well in a subterranean formation having at least one water production zone comprising:shutting in the well; injecting a water control treatment into the water production zone, where the water control treatment is selected from the group consisting of relative permeability modifier treatment (RPMT) and treatments using a material selected from the group consisting of cross-linked polysaccharides, polyacrylamides; silica gels, resins and cement, and polysaccharides and polyacrylamides in their hydrolysed, non-ionic and cationic forms, non-crosslinked polysaccharides and non-crosslinked polyacrylamides, and combinations thereof; squeezing a scale inhibitor into the water production zone before, during or after injecting the water control treatment; soaking in the well; and back producing the well. 2. The method of claim 1 further comprising applying an overflush into the water production zone following injecting the water control treatment.3. The method of claim 1 where in injecting the water control treatment further comprises simultaneously injecting additional scale inhibitor.4. The method of claim 1 where the water production zone is also a hydrocarbon production zone.5. The method of claim 1 where the subterranean formation further comprises a hydrocarbon production zone.6. The method of claim 1 where in squeezing the scale inhibitor into the water production zone, the scale inhibitor operates by mechanism selected from the group consisting of an adsorption mechanism, a precipitation mechanism, and a combination thereof.7. The method of claim 1 where the water control treatment is a water shut-off treatment (WSOT) and squeezing the scale inhibitor is conducted before the WSOT.8. A method for inhibiting the formation of scale and the production of water in a well in a subterranean formation having at least one water production zone, the method comprising:shutting in the well; injecting a water control treatment into the water production zone, where a material used in the water control treatment is selected from the group consisting of cross-linked polysaccharides, polyacrylamides; silica gels, resins and cement, or polysaccharides and polyacrylamides in their hydrolysed, non ionic and cationic forms, non-crosslinked polysaccharides and non-crosslinked polyacrylamides, and combinations thereof; squeezing a scale inhibitor into the water production zone before, during or after the water control treatment, where the scale inhibitor operates by mechanism selected from the group consisting of an adsorption mechanism, a precipitation mechanism, and a combination thereof; soaking in the well; and back producing the well. 9. The method of claim 8 further comprising applying an overflush into the water production zone following injecting the water control treatment.10. The method of claim 8 where in injecting the water control treatment further comprises simultaneously injecting additional scale inhibitor.11. The method of claim 8 where the water production zone is also a hydrocarbon production zone.12. The method of claim 8 where the subterranean formation further comprises a hydrocarbon production zone.13. The method of claim 8 where the water control treatment is a relative permeability modifier treatment (RPMT).14. The method of claim 8 where the water control treatment is a water shut-off treatment (WSOT) and squeezing the scale inhibitor is conducted before the WSOT.15. A method for inhibiting the formation of scale and the production of water in a well in a subterranean formation having at least one water production zone, the method comprising:shutting in the well; injecting a pre-flush or spearhead fluid into the water production zone, then squeezing a scale inhibitor into the water production zone, where the scale inhibitor operates by mechanism selected from the group consisting of an adsorption mechanism, a precipitation mechanism, and a combination thereof; performing a water control treatment stage selected from the group consisting of a water shut-off treatment (WSOT) and a relative permeability modifier treatment (RPMT), and where the water control treatment stage further comprises injecting a the water control treatment into the water production zone following the scale inhibitor, where a material used in the water control treatment is selected from the group consisting of cross-linked polysaccharides, polyacrylamides; silica gels, resins and cement, and polysaccharides and polyacrylamides in their hydrolysed, non ionic and cationic forms, non-crosslinked polysaccharides and non-crosslinked polyacrylamides, and combinations thereof; soaking in the well; and back producing the well. 16. The method of claim 15 further comprising applying an overflush into the water production zone following injecting the water control treatment.17. The method of claim 15 where in injecting the water control treatment further comprises simultaneously injecting additional scale inhibitor.18. The method of claim 15 where the water production zone is also a hydrocarbon production zone.19. The method of claim 15 where the subterranean formation further comprises a hydrocarbon production zone.
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이 특허에 인용된 특허 (17)
Dawson Jeffrey C. ; Le Hoang V. ; Kesavan Subramanian, Compositions and methods for selective modification of subterranean formation permeability.
Chang Ping W. (Waterford CT) Gruetzmacher Gordon D. (Gales Ferry CT) Meltz Clifford N. (Gales Ferry CT) Totino Rocco A. (Waterford CT), Enhanced hydrocarbon recovery by permeability modification with phenolic gels.
Lockhart Thomas P. (San Donato Milanese ITX) Burrafato Giovanni (Tavazzano ITX), Gellable aqueous composition and its use in enhanced petroleum recovery.
Carlberg Bob L. (Ponca City OK) Wolf Nicholas O. (Ponca City OK) Pober Kenneth W. (Ponca City OK) Nash William D. (Orange TX), Inhibition of reservoir scale.
Kohler Norbert (Villennes sur Seine FRX) Zaitoun Alain (Rouen FRX), Method and composition for selectively reducing permeability to water in hydrocarbon reservoirs which are hot and saline.
Oddo John E. (Houston TX) Kan Amy T. (Houston TX) He Shiliang (Houston TX) Gerbino Anthony J. (Bloomfield NJ) Tomson Mason (Houston TX), Method for scale inhibitor squeeze application to gas and oil wells.
Collins Ian Ralph,GBX ; Stewart Nevin John,GBX, Process for increasing effectiveness of production chemicals by reducing number of squeezing and shut-in operations required to increase production rate from an oil well.
Kholer Norbert (Saint Germain en Laye FRX) Tabary Ren (Le Pecq FRX) Zaitoun Alain (Rouen FRX), Process for preventing water inflow in an oil- and/or gas-producing well.
Chauveteau ; Guy ; Moulu ; Jean-Claude, Process for selectively plugging areas in the vicinity of oil or gas producing wells in order to reduce water penetrati.
Eoff, Larry S.; Dalrymple, Eldon D.; Reddy, B. Raghava, Methods and compositions for reducing the production of water and stimulating hydrocarbon production from a subterranean formation.
Eoff, Larry S.; Dalrymple, Eldon D.; Reddy, B. Raghava, Methods and compositions for reducing the production of water and stimulating hydrocarbon production from a subterranean formation.
Sierra, Leopoldo; Dalrymple, Eldon D.; Eoff, Larry S.; Reddy, Barireddy R.; Blauch, Matthew E.; Parker, Mark A., Methods useful for controlling fluid loss in subterranean treatments.
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