CA2448617A1 - Borehole fluid - Google Patents

Borehole fluid Download PDF

Info

Publication number
CA2448617A1
CA2448617A1 CA002448617A CA2448617A CA2448617A1 CA 2448617 A1 CA2448617 A1 CA 2448617A1 CA 002448617 A CA002448617 A CA 002448617A CA 2448617 A CA2448617 A CA 2448617A CA 2448617 A1 CA2448617 A1 CA 2448617A1
Authority
CA
Canada
Prior art keywords
oil
borehole fluid
emulsifier
brine
weight
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
CA002448617A
Other languages
French (fr)
Other versions
CA2448617C (en
Inventor
Odd Palmgren
Aslak Teigen
Torstein Obrestad
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.)
Yara International ASA
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
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=CA2448617(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Publication of CA2448617A1 publication Critical patent/CA2448617A1/en
Application granted granted Critical
Publication of CA2448617C publication Critical patent/CA2448617C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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

Abstract

A water-in-oil emulsion bore hole fluid comprising oil, a brine and emulsifier wherein the oil-to-brine ratio by weight is between 10:90 and 30:70. The emulsifier has a high molecular weight in the range from 500 up to 5000 and a suitable HLB balance.
CA002448617A 2001-04-09 2002-04-08 Borehole fluid Expired - Fee Related CA2448617C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NO20011787A NO315565B2 (en) 2001-04-09 2001-04-09 well fluid
NO20011787 2001-04-09
PCT/NO2002/000136 WO2002081590A1 (en) 2001-04-09 2002-04-08 Borehole fluid

Publications (2)

Publication Number Publication Date
CA2448617A1 true CA2448617A1 (en) 2002-10-17
CA2448617C CA2448617C (en) 2009-06-23

Family

ID=19912359

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002448617A Expired - Fee Related CA2448617C (en) 2001-04-09 2002-04-08 Borehole 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
WO2019182669A1 (en) * 2018-03-22 2019-09-26 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
US2689219A (en) * 1952-02-11 1954-09-14 Stanolind Oil & Gas Co Emulsion drilling fluid
US2661334A (en) * 1952-02-11 1953-12-01 Standard Oil And Gas Company Water-in-oil 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
WO2002081590A1 (en) 2002-10-17
NO315565B2 (en) 2010-01-18
NO315565B1 (en) 2003-09-22
CA2448617C (en) 2009-06-23
NO20011787L (en) 2002-10-10
NO20011787D0 (en) 2001-04-09

Similar Documents

Publication Publication Date Title
BR0108612B1 (en) viscous fluid for use in drillhole operations, underground formation fracturing method and method for reducing the amount of water produced from an underground oil production formation.
CA2488475A1 (en) Downhole fluid pumping apparatus and method
CA2231378A1 (en) Glycol based drilling fluid
NO20016343L (en) Water-in-oil microemulsions useful for oilfield and gasfield applications and methods for using such
CA2725112A1 (en) Subterranean treatment fluids, friction reducing copolymers, and associated methods
CA2405426A1 (en) Stability enhanced water-in-oil emulsion and method for using same
CA2438340A1 (en) Hydraulic fracturing fluid comprising a block copolymer containing at least one water-soluble block and one hydrophobic block
CA2257697A1 (en) Foam-fluid for fracturing subterranean formations
EP2860164A3 (en) Subterranean fluids and methods of cementing in subterranean formations
CA2217627A1 (en) Control of particulate flowback in subterranean wells
CA2439364A1 (en) Compositions and methods to control fluid loss in surfactant-based wellbore service fluids
CA2337122A1 (en) Method of controlling particulate flowback in subterranean wells and introducing treatment chemicals
DE50212809D1 (en) WATER FREE UBICHINON CONCENTRATE
CA2288560A1 (en) Control of particulate flowback in subterranean wells
CA2508339A1 (en) Drilling fluid and methods of use thereof
WO2004080177A3 (en) Microemulsions as adjuvants for agricultural chemicals
SE9203534D0 (en) BIMODAL EMULSION AND ITS METHOD OF PREPARATION
WO2002032560A3 (en) Method for preparing an emulsion with high-viscosity organic phase
CA2399906A1 (en) Invert well service fluid and method
WO2002055627A3 (en) Spotting fluid for differential sticking
CA2287944A1 (en) Communicating horizontal well network
PL363307A1 (en) Microemulsions
CA2359844A1 (en) Aphron-containing aqueous well drilling and servicing fluids
CA2448617A1 (en) Borehole fluid
CA2460829A1 (en) Improving collapse resistance of tubing

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20170410