FR2344707A1 - Cleaning well prodn. intervals - using articulated tool with packers inflated by wash fluid - Google Patents
Cleaning well prodn. intervals - using articulated tool with packers inflated by wash fluidInfo
- Publication number
- FR2344707A1 FR2344707A1 FR7608302A FR7608302A FR2344707A1 FR 2344707 A1 FR2344707 A1 FR 2344707A1 FR 7608302 A FR7608302 A FR 7608302A FR 7608302 A FR7608302 A FR 7608302A FR 2344707 A1 FR2344707 A1 FR 2344707A1
- Authority
- FR
- France
- Prior art keywords
- well
- packers
- intervals
- prodn
- wash fluid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004140 cleaning Methods 0.000 title abstract 3
- 239000012530 fluid Substances 0.000 title abstract 3
- 230000015572 biosynthetic process Effects 0.000 abstract 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
- E21B33/124—Units with longitudinally-spaced plugs for isolating the intermediate space
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
- E21B33/127—Packers; Plugs with inflatable sleeve
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
- E21B37/08—Methods or apparatus for cleaning boreholes or wells cleaning in situ of down-hole filters, screens, e.g. casing perforations, or gravel packs
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Cleaning In General (AREA)
Abstract
Appts. for use in cleaning well casing perforations or uncased well production intervals and the surrounding formation is claimed including upper and lower axially-spaced pipe sections which are carried by a flexible pipe extending centrally therethrough and which are interconnected by flexible material secured to adjacent ends of the pipe sections to permit universal relative pivotal movements thereof. Each pipe section carries an elongate packer, and the flexible pipe communicates with the well, pref. between adjacent ends of the packers, and serves for introducing pressurized cleaning fluid into the well, the packers constraining the fluid to flow outwards through the surrounding formation in extended arcuate paths.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/666,976 US4030545A (en) | 1975-01-07 | 1976-03-15 | Apparatus for cleansing well liner and adjacent formations |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2344707A1 true FR2344707A1 (en) | 1977-10-14 |
FR2344707B3 FR2344707B3 (en) | 1978-12-15 |
Family
ID=24676314
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7608302A Granted FR2344707A1 (en) | 1976-03-15 | 1976-03-23 | Cleaning well prodn. intervals - using articulated tool with packers inflated by wash fluid |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2344707A1 (en) |
-
1976
- 1976-03-23 FR FR7608302A patent/FR2344707A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2344707B3 (en) | 1978-12-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |