RU96112648A - METHOD FOR DEVELOPING A WELL WITH A PLASTIC FLUID LEVEL BELOW BELOW THE PUMP AND COMPRESSOR PIPE BASIS IN THE CONDITIONS OF AN ABNORMALLY LOW PLASTIC PRESSURE - Google Patents
METHOD FOR DEVELOPING A WELL WITH A PLASTIC FLUID LEVEL BELOW BELOW THE PUMP AND COMPRESSOR PIPE BASIS IN THE CONDITIONS OF AN ABNORMALLY LOW PLASTIC PRESSUREInfo
- Publication number
- RU96112648A RU96112648A RU96112648/03A RU96112648A RU96112648A RU 96112648 A RU96112648 A RU 96112648A RU 96112648/03 A RU96112648/03 A RU 96112648/03A RU 96112648 A RU96112648 A RU 96112648A RU 96112648 A RU96112648 A RU 96112648A
- Authority
- RU
- Russia
- Prior art keywords
- well
- pressure
- developing
- mpa
- abnormally low
- Prior art date
Links
- 239000012530 fluid Substances 0.000 title claims 3
- 230000015572 biosynthetic process Effects 0.000 claims 3
- 238000005755 formation reaction Methods 0.000 claims 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims 2
- 229910002092 carbon dioxide Inorganic materials 0.000 claims 2
- 239000001569 carbon dioxide Substances 0.000 claims 2
- 239000006260 foam Substances 0.000 claims 2
- 239000004604 Blowing Agent Substances 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 claims 1
- 239000002253 acid Substances 0.000 claims 1
- 230000000754 repressing Effects 0.000 claims 1
- 239000004094 surface-active agent Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
Claims (1)
где
Py давление на устье скважины, МПа;
- давление насыщения для углекислого газа при температуре, t, для конкретной скважины в интервале нахождения столба воды, МПа;
Pпл - пластовое давление, МПа;
k - эмпирический коэффициент, определяемый по геолого-техническим данным для каждого месторождения, характеризующий репрессию на пласт, вызывающую поглощение, отн. ед.,
причем в трубное пространство последовательно вводят газообразователь и кислоту в стехиометрических количествах, соединяют затрубное пространство с магистралью газа высокого давления, а трубное пространство открывают на факельную линию до прекращения выхода пены.A method of developing a well with a level of formation fluid below the shoe of the tubing under conditions of abnormally low formation pressures by introducing carbon dioxide emitting gas into the well, characterized in that the surfactant is additionally pumped into the well in an amount sufficient to produce stable foam from the formation fluid, close the well and create excess pressure at the wellhead, which meets the following condition
Where
P y pressure at the wellhead, MPa;
- saturation pressure for carbon dioxide at a temperature, t, for a particular well in the interval of finding a column of water, MPa;
P PL - reservoir pressure, MPa;
k is an empirical coefficient, determined by geological and technical data for each field, characterizing repression on the reservoir, causing absorption, rel. units
moreover, a blowing agent and acid are sequentially introduced into the tube space in stoichiometric amounts, the annulus is connected to the high-pressure gas line, and the tube space is opened to the flare line until the foam exit ceases.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU96112648/03A RU2121567C1 (en) | 1996-06-21 | 1996-06-21 | Method of completion of well with formation fluid level below tubing shoe under conditions of abnormally low formation pressures |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU96112648/03A RU2121567C1 (en) | 1996-06-21 | 1996-06-21 | Method of completion of well with formation fluid level below tubing shoe under conditions of abnormally low formation pressures |
Publications (2)
Publication Number | Publication Date |
---|---|
RU96112648A true RU96112648A (en) | 1998-10-20 |
RU2121567C1 RU2121567C1 (en) | 1998-11-10 |
Family
ID=20182307
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU96112648/03A RU2121567C1 (en) | 1996-06-21 | 1996-06-21 | Method of completion of well with formation fluid level below tubing shoe under conditions of abnormally low formation pressures |
Country Status (1)
Country | Link |
---|---|
RU (1) | RU2121567C1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2451172C1 (en) * | 2011-03-01 | 2012-05-20 | Открытое акционерное общество "Татнефть" имени В.Д. Шашина | Method of well development by creating depression on formation |
RU2516313C2 (en) * | 2012-04-02 | 2014-05-20 | Общество с ограниченной ответственностью "Газпром добыча Надым" (ООО "Газпром добыча Надым") | Device for reservoir fluid removal from gas well |
RU2541988C1 (en) * | 2014-03-03 | 2015-02-20 | Открытое акционерное общество "Татнефть" им. В.Д. Шашина | Well completion method |
-
1996
- 1996-06-21 RU RU96112648/03A patent/RU2121567C1/en not_active IP Right Cessation
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