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 fluid

Info

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
Application number
FR7608302A
Other languages
French (fr)
Other versions
FR2344707B3 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US05/666,976 external-priority patent/US4030545A/en
Application filed by Individual filed Critical Individual
Publication of FR2344707A1 publication Critical patent/FR2344707A1/en
Application granted granted Critical
Publication of FR2344707B3 publication Critical patent/FR2344707B3/fr
Granted legal-status Critical Current

Links

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.
FR7608302A 1976-03-15 1976-03-23 Cleaning well prodn. intervals - using articulated tool with packers inflated by wash fluid Granted FR2344707A1 (en)

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)

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