RU2012140598A - METHOD FOR PREVENTING DRILL TAKE-OFFS IN A WELL - Google Patents

METHOD FOR PREVENTING DRILL TAKE-OFFS IN A WELL Download PDF

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Publication number
RU2012140598A
RU2012140598A RU2012140598/03A RU2012140598A RU2012140598A RU 2012140598 A RU2012140598 A RU 2012140598A RU 2012140598/03 A RU2012140598/03 A RU 2012140598/03A RU 2012140598 A RU2012140598 A RU 2012140598A RU 2012140598 A RU2012140598 A RU 2012140598A
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RU
Russia
Prior art keywords
well
sodium chloride
crystallization
offs
inhibitor
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RU2012140598/03A
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Russian (ru)
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RU2520101C2 (en
Inventor
Сергей Николаевич Горонович
Александр Николаевич Олейников
Татьяна Владимировна Гамбург
Роман Юрьевич Кузнецов
Всеволод Владимирович Черепанов
Дмитрий Геннадьевич Бельский
Original Assignee
Общество с ограниченной ответственностью "Волго-Уральский научно-исследовательский и проектный институт нефти и газа" (ООО "ВолгоУралНИПИгаз")
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Priority to RU2012140598/03A priority Critical patent/RU2520101C2/en
Publication of RU2012140598A publication Critical patent/RU2012140598A/en
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Publication of RU2520101C2 publication Critical patent/RU2520101C2/en

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Abstract

Способ предотвращения прихватов бурильного инструмента в скважине, заключающийся в подавлении процесса кристаллизации хлорида натрия на стенках скважины путем обработки соленасыщенного бурового раствора ингибитором кристаллизации хлорида натрия, отличающийся тем, что используемый в качестве ингибитора кристаллизации хлорида натрия глицерин добавляют в количестве 5-30 мас.% к объему соленасыщенного бурового раствора в зависимости от температуры в скважине.A method of preventing sticking of a drilling tool in a well, comprising suppressing a process of crystallization of sodium chloride on the walls of a well by treating a salt-saturated drilling fluid with a sodium chloride crystallization inhibitor, characterized in that glycerol is used as an inhibitor of crystallization of sodium chloride in an amount of 5-30 wt.% To the volume of saline drilling fluid depending on the temperature in the well.

Claims (1)

Способ предотвращения прихватов бурильного инструмента в скважине, заключающийся в подавлении процесса кристаллизации хлорида натрия на стенках скважины путем обработки соленасыщенного бурового раствора ингибитором кристаллизации хлорида натрия, отличающийся тем, что используемый в качестве ингибитора кристаллизации хлорида натрия глицерин добавляют в количестве 5-30 мас.% к объему соленасыщенного бурового раствора в зависимости от температуры в скважине. A method of preventing sticking of a drilling tool in a well, comprising suppressing a process of crystallization of sodium chloride on the walls of a well by treating a salt-saturated drilling fluid with a sodium chloride crystallization inhibitor, characterized in that glycerol is used as an inhibitor of crystallization of sodium chloride in an amount of 5-30 wt.% To the volume of saline drilling fluid depending on the temperature in the well.
RU2012140598/03A 2012-09-21 2012-09-21 Method for prevention of drilling equipment sticking in well RU2520101C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2012140598/03A RU2520101C2 (en) 2012-09-21 2012-09-21 Method for prevention of drilling equipment sticking in well

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2012140598/03A RU2520101C2 (en) 2012-09-21 2012-09-21 Method for prevention of drilling equipment sticking in well

Publications (2)

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RU2012140598A true RU2012140598A (en) 2014-03-27
RU2520101C2 RU2520101C2 (en) 2014-06-20

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RU2012140598/03A RU2520101C2 (en) 2012-09-21 2012-09-21 Method for prevention of drilling equipment sticking in well

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU791644A1 (en) * 1979-04-16 1980-12-30 Украинский научно-исследовательский институт природных газов Inhibitor of water-soluble salt deposits in gas well
SU939722A1 (en) * 1981-02-27 1982-06-30 Среднеазиатский Государственный Научно-Исследовательский И Проектный Институт Нефтяной Промышленности "Средазнипинефть" Method of releasing stuck drill pipes
SU1081166A1 (en) * 1983-03-15 1984-03-23 Предприятие П/Я А-1785 Process for preparing inhibitor of salt deposition
CA2644820A1 (en) * 2007-11-27 2009-05-27 Engineered Drilling Solutions Inc. Glycerol based drilling fluids
RU2417302C1 (en) * 2009-09-08 2011-04-27 Республиканское Унитарное Предприятие "Производственное Объединение "Белоруснефть" Procedure preventing strap of upper part of drill string

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Publication number Publication date
RU2520101C2 (en) 2014-06-20

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Effective date: 20140922