RU98118177A - METHOD FOR SEALING GAS WELL FASTENERS - Google Patents

METHOD FOR SEALING GAS WELL FASTENERS

Info

Publication number
RU98118177A
RU98118177A RU98118177/03A RU98118177A RU98118177A RU 98118177 A RU98118177 A RU 98118177A RU 98118177/03 A RU98118177/03 A RU 98118177/03A RU 98118177 A RU98118177 A RU 98118177A RU 98118177 A RU98118177 A RU 98118177A
Authority
RU
Russia
Prior art keywords
solution
gas well
sealing gas
inorganic salt
pumping
Prior art date
Application number
RU98118177/03A
Other languages
Russian (ru)
Other versions
RU2166613C2 (en
Inventor
П.Ф. Цыцымушкин
С.Н. Горонович
С.Р. Хайруллин
А.П. Цыцымушкин
Original Assignee
Общество с ограниченной ответственностью "Волго-Уральский научно- исследовательский и проектный институт нефти и газа"
Предприятие по добыче, переработке и транспортировке газа "Оренбурггазпром" Российского акционерного общества "Газпром"
Filing date
Publication date
Application filed by Общество с ограниченной ответственностью "Волго-Уральский научно- исследовательский и проектный институт нефти и газа", Предприятие по добыче, переработке и транспортировке газа "Оренбурггазпром" Российского акционерного общества "Газпром" filed Critical Общество с ограниченной ответственностью "Волго-Уральский научно- исследовательский и проектный институт нефти и газа"
Priority to RU98118177/03A priority Critical patent/RU2166613C2/en
Priority claimed from RU98118177/03A external-priority patent/RU2166613C2/en
Publication of RU98118177A publication Critical patent/RU98118177A/en
Application granted granted Critical
Publication of RU2166613C2 publication Critical patent/RU2166613C2/en

Links

Claims (3)

1. Способ уплотнения крепи газовых скважин, включающий обработку цементного камня путем закачивания в затрубное пространство водного раствора электролита с последующим созданием дополнительного давления, отличающийся тем, что в качестве водного раствора электролита используют раствор неорганической соли, образующей нерастворимый или труднорастворимый осадок при взаимодействии с гидроксидом кальция цементного камня.1. A method of sealing gas well supports, including treating cement stone by pumping an aqueous electrolyte solution into the annulus followed by creating additional pressure, characterized in that an inorganic salt solution is used as an aqueous electrolyte solution, forming an insoluble or insoluble precipitate when interacting with calcium hydroxide cement stone. 2. Способ по п. 1, отличающийся тем, что в качестве раствора неорганической соли используют раствор сернокислого алюминия в концентрации 9,0 - 23,0 маc. %. 2. The method according to p. 1, characterized in that as a solution of inorganic salt using a solution of aluminum sulfate at a concentration of 9.0 to 23.0 wt. % 3. Способ по п. 1, отличающийся тем, что дополнительное давление создают не ранее, чем через 2 часа после закачивания раствора неорганической соли. 3. The method according to p. 1, characterized in that the additional pressure is created no earlier than 2 hours after pumping the inorganic salt solution.
RU98118177/03A 1998-10-02 1998-10-02 Method of reinforcement of lining of gas wells RU2166613C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU98118177/03A RU2166613C2 (en) 1998-10-02 1998-10-02 Method of reinforcement of lining of gas wells

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU98118177/03A RU2166613C2 (en) 1998-10-02 1998-10-02 Method of reinforcement of lining of gas wells

Publications (2)

Publication Number Publication Date
RU98118177A true RU98118177A (en) 1999-06-20
RU2166613C2 RU2166613C2 (en) 2001-05-10

Family

ID=20210984

Family Applications (1)

Application Number Title Priority Date Filing Date
RU98118177/03A RU2166613C2 (en) 1998-10-02 1998-10-02 Method of reinforcement of lining of gas wells

Country Status (1)

Country Link
RU (1) RU2166613C2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2128109A1 (en) * 2008-05-28 2009-12-02 Schlumberger Holdings Limited Solids Free Sealing Fluid

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