RU2009136097A - METHOD FOR CARRYING OUT THE REPAIR AND INSULATION WORKS IN A WELL - Google Patents
METHOD FOR CARRYING OUT THE REPAIR AND INSULATION WORKS IN A WELL Download PDFInfo
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- RU2009136097A RU2009136097A RU2009136097/03A RU2009136097A RU2009136097A RU 2009136097 A RU2009136097 A RU 2009136097A RU 2009136097/03 A RU2009136097/03 A RU 2009136097/03A RU 2009136097 A RU2009136097 A RU 2009136097A RU 2009136097 A RU2009136097 A RU 2009136097A
- Authority
- RU
- Russia
- Prior art keywords
- tubing
- oil
- hydrophobic liquid
- well
- packer
- Prior art date
Links
Abstract
1. Способ проведения ремонтно-изоляционных работ в скважине, включающий глушение скважины, подъем на поверхность насосно-компрессорных труб (НКТ) со скважинным оборудованием, обследование обсадной колонны с выявлением интервала негерметичности, установку на НКТ пакера, спуск в скважину НКТ со скважинным оборудованием, закачку блокирующего состава под давлением и введение скважины в рабочий режим, отличающийся тем, что в качестве блокирующего состава используют гидрофобизирующую или гидрофобную жидкость, не меняющую своего агрегатного состояния в условиях эксплуатации, при этом пакер размещают на уровне ниже интервала негерметичности обсадной колонны, а блокирующий состав подают в пространство над пакером между обсадной колонной и НКТ при постоянном давлении, причем прекращают подачу при повышении давления сопротивления подаче выше допустимого. ! 2. Способ по п.1, отличающийся тем, что в качестве низкозамерзающей гидрофобной жидкости используют стабилизированный газовый конденсат, дегазированную маловязкую нефть с вязкостью менее 100 мПа·с, отработанные машинное, трансформаторное или турбинное масло или их смеси, а в качестве гидрофобизующей жидкости используют растворы гидрофобизаторов в гидрофобной жидкости, выбранные из группы: Нефтенол АБР, топочный мазут, дегазированная высоковязкая (вязкость более 100 мПа·с) нефть, окисленная нефть. 1. A method of carrying out repair and insulation work in the well, including killing the well, raising the surface of tubing with tubing equipment, examining the casing with an interval of leakage, installing a packer on the tubing, lowering the tubing with downhole equipment, injection of the blocking composition under pressure and putting the well into operation, characterized in that a hydrophobizing or hydrophobic liquid that does not change its aggregate is used as a blocking composition conditions under operating conditions, while the packer is placed at a level below the casing leakage interval, and the blocking composition is fed into the space above the packer between the casing and tubing at constant pressure, and flow is stopped when the supply pressure increases above the permissible value. ! 2. The method according to claim 1, characterized in that stabilized gas condensate, degassed low-viscosity oil with a viscosity of less than 100 mPa · s, used machine, transformer or turbine oil or mixtures thereof are used as a low-freezing hydrophobic liquid, and they are used as a hydrophobic liquid solutions of water repellents in a hydrophobic liquid, selected from the group: Neftenol ADB, heating oil, highly viscous degassed (viscosity more than 100 mPa · s) oil, oxidized oil.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2009136097/03A RU2423599C2 (en) | 2009-09-30 | 2009-09-30 | Procedure for repair operations in well |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2009136097/03A RU2423599C2 (en) | 2009-09-30 | 2009-09-30 | Procedure for repair operations in well |
Publications (2)
Publication Number | Publication Date |
---|---|
RU2009136097A true RU2009136097A (en) | 2011-04-10 |
RU2423599C2 RU2423599C2 (en) | 2011-07-10 |
Family
ID=44051830
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2009136097/03A RU2423599C2 (en) | 2009-09-30 | 2009-09-30 | Procedure for repair operations in well |
Country Status (1)
Country | Link |
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RU (1) | RU2423599C2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2586360C1 (en) * | 2014-12-09 | 2016-06-10 | Общество с ограниченной ответственностью "Научно-исследовательский институт природных газов и газовых технологий-Газпром ВНИИГАЗ" | Method for elimination of leakage of strings of oil and gas wells |
RU2633914C1 (en) * | 2016-08-09 | 2017-10-19 | Публичное акционерное общество "Татнефть" имени В.Д. Шашина | Method of well construction and repair |
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2009
- 2009-09-30 RU RU2009136097/03A patent/RU2423599C2/en active
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Publication number | Publication date |
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RU2423599C2 (en) | 2011-07-10 |
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