DE69530199D1 - Verfahren zur entfernung von erdalkalimetallablagerungen - Google Patents

Verfahren zur entfernung von erdalkalimetallablagerungen

Info

Publication number
DE69530199D1
DE69530199D1 DE69530199T DE69530199T DE69530199D1 DE 69530199 D1 DE69530199 D1 DE 69530199D1 DE 69530199 T DE69530199 T DE 69530199T DE 69530199 T DE69530199 T DE 69530199T DE 69530199 D1 DE69530199 D1 DE 69530199D1
Authority
DE
Germany
Prior art keywords
earth alkaline
removing earth
deposit
alkaline deposit
earth
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.)
Expired - Lifetime
Application number
DE69530199T
Other languages
English (en)
Other versions
DE69530199T2 (de
Inventor
Mark Paul
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.)
ExxonMobil Oil Corp
Original Assignee
ExxonMobil Oil Corp
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
Application filed by ExxonMobil Oil Corp filed Critical ExxonMobil Oil Corp
Publication of DE69530199D1 publication Critical patent/DE69530199D1/de
Application granted granted Critical
Publication of DE69530199T2 publication Critical patent/DE69530199T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/52—Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning
    • C09K8/528—Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning inorganic depositions, e.g. sulfates or carbonates
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B37/02—Scrapers specially adapted therefor
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B37/06—Methods or apparatus for cleaning boreholes or wells using chemical means for preventing, limiting or eliminating the deposition of paraffins or like substances
DE69530199T 1994-06-06 1995-01-13 Verfahren zur entfernung von erdalkalimetallablagerungen Expired - Lifetime DE69530199T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/254,334 US5415696A (en) 1993-07-26 1994-06-06 Method for removing alkaline sulfate scale in downhole tubulars
PCT/US1995/000525 WO1995033581A1 (en) 1994-06-06 1995-01-13 Method for removing alkaline earth metal scale

Publications (2)

Publication Number Publication Date
DE69530199D1 true DE69530199D1 (de) 2003-05-08
DE69530199T2 DE69530199T2 (de) 2003-11-13

Family

ID=22963879

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69530199T Expired - Lifetime DE69530199T2 (de) 1994-06-06 1995-01-13 Verfahren zur entfernung von erdalkalimetallablagerungen

Country Status (4)

Country Link
US (1) US5415696A (de)
EP (1) EP0764061B1 (de)
DE (1) DE69530199T2 (de)
WO (1) WO1995033581A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2067926A1 (de) * 2007-12-04 2009-06-10 Bp Exploration Operating Company Limited Verfahren zur Entfernung eines Hydratsteckers aus einer Flussleitung
PL422075A1 (pl) * 2015-01-26 2018-05-07 Halliburton Energy Services Inc. Rozpuszczalne i podatne na frezowanie urządzenia izolujące
US11384622B2 (en) 2016-04-20 2022-07-12 Cameron International Corporation In situ decontamination of downhole equipment
US20220120179A1 (en) * 2020-10-15 2022-04-21 Saudi Arabian Oil Company Dispensing and collection fluids with wireline chamber tool

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5084105A (en) * 1989-04-03 1992-01-28 Mobil Oil Corporation Sulfate scale dissolution
US4980077A (en) * 1989-06-22 1990-12-25 Mobil Oil Corporation Method for removing alkaline sulfate scale
US5049297A (en) * 1989-04-03 1991-09-17 Mobil Oil Corporation Sulfate scale dissolution
US4990718A (en) * 1989-04-03 1991-02-05 Mobil Oil Corporation Aromatic alkylation with alpha-olefin dimer

Also Published As

Publication number Publication date
EP0764061B1 (de) 2003-04-02
EP0764061A4 (de) 2000-03-29
WO1995033581A1 (en) 1995-12-14
EP0764061A1 (de) 1997-03-26
US5415696A (en) 1995-05-16
DE69530199T2 (de) 2003-11-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition