NO315565B1 - Bronnvaeske - Google Patents

Bronnvaeske

Info

Publication number
NO315565B1
NO315565B1 NO20011787A NO20011787A NO315565B1 NO 315565 B1 NO315565 B1 NO 315565B1 NO 20011787 A NO20011787 A NO 20011787A NO 20011787 A NO20011787 A NO 20011787A NO 315565 B1 NO315565 B1 NO 315565B1
Authority
NO
Norway
Prior art keywords
bronnvaeske
Prior art date
Application number
NO20011787A
Other languages
Norwegian (no)
Other versions
NO20011787D0 (en
NO20011787L (en
NO315565B2 (en
Inventor
Odd Palmgren
Aslak Teigen
Torstein Obrestad
Original Assignee
Yara Int Asa
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=19912359&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NO315565(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Yara Int Asa filed Critical Yara Int Asa
Priority to NO20011787A priority Critical patent/NO315565B2/en
Publication of NO20011787D0 publication Critical patent/NO20011787D0/en
Priority to CA002448617A priority patent/CA2448617C/en
Priority to PCT/NO2002/000136 priority patent/WO2002081590A1/en
Publication of NO20011787L publication Critical patent/NO20011787L/en
Publication of NO315565B1 publication Critical patent/NO315565B1/en
Publication of NO315565B2 publication Critical patent/NO315565B2/en

Links

Classifications

    • 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
    • C09K8/02—Well-drilling compositions
    • C09K8/32—Non-aqueous well-drilling compositions, e.g. oil-based
    • C09K8/36—Water-in-oil emulsions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Lubricants (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
  • Colloid Chemistry (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Liquid Carbonaceous Fuels (AREA)
NO20011787A 2001-04-09 2001-04-09 well fluid NO315565B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
NO20011787A NO315565B2 (en) 2001-04-09 2001-04-09 well fluid
CA002448617A CA2448617C (en) 2001-04-09 2002-04-08 Borehole fluid
PCT/NO2002/000136 WO2002081590A1 (en) 2001-04-09 2002-04-08 Borehole fluid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO20011787A NO315565B2 (en) 2001-04-09 2001-04-09 well fluid

Publications (4)

Publication Number Publication Date
NO20011787D0 NO20011787D0 (en) 2001-04-09
NO20011787L NO20011787L (en) 2002-10-10
NO315565B1 true NO315565B1 (en) 2003-09-22
NO315565B2 NO315565B2 (en) 2010-01-18

Family

ID=19912359

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20011787A NO315565B2 (en) 2001-04-09 2001-04-09 well fluid

Country Status (3)

Country Link
CA (1) CA2448617C (en)
NO (1) NO315565B2 (en)
WO (1) WO2002081590A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2587853B (en) * 2018-03-22 2022-08-10 Halliburton Energy Services Inc High density brine internal phase
CN115678519B (en) * 2021-07-22 2024-03-26 中国石油天然气股份有限公司 Oil-based drilling fluid, preparation method and application thereof
CN115216281B (en) * 2022-06-30 2024-03-01 西南石油大学 Reversible drilling fluid and preparation method and application thereof

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3125517A (en) * 1964-03-17 Chzchzoh
US2661334A (en) * 1952-02-11 1953-12-01 Standard Oil And Gas Company Water-in-oil emulsion drilling fluid
US2689219A (en) * 1952-02-11 1954-09-14 Stanolind Oil & Gas Co Emulsion drilling fluid
US3017350A (en) * 1954-01-18 1962-01-16 Union Oil Co Emulsion-base drilling fluids
NL95744C (en) * 1957-06-12
US4442241A (en) * 1982-06-28 1984-04-10 Exxon Research And Engineering Co. Shear thickening composition
GB8410393D0 (en) * 1984-04-24 1984-05-31 Ici Plc Fluid compositions
CA2091402A1 (en) * 1992-03-17 1993-09-18 Richard W. Jahnke Compositions containing derivatives of succinic acylating agent or hydroxyaromatic compounds and methods of using the same
US5283235A (en) * 1992-03-17 1994-02-01 The Lubrizol Corporation Compositions containing esters of carboxy-containing interpolymers and methods of using the same

Also Published As

Publication number Publication date
NO20011787D0 (en) 2001-04-09
NO20011787L (en) 2002-10-10
CA2448617A1 (en) 2002-10-17
CA2448617C (en) 2009-06-23
WO2002081590A1 (en) 2002-10-17
NO315565B2 (en) 2010-01-18

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Legal Events

Date Code Title Description
CB Opposition filed (par. 26,5 patents act)

Effective date: 20040621

CREP Change of representative

Representative=s name: ONSAGERS AS POSTBOKS 6963 ST OLAVS PLASS OSLO, 013

CREP Change of representative

Representative=s name: ONSAGERS AS POSTBOKS 6963 ST OLAVS PLASS OSLO, 013

CHAD Change of the owner's name or address (par. 44 patent law, par. patentforskriften)

Owner name: YARA INTERNATIONAL ASA, NO

MM1K Lapsed by not paying the annual fees