WO1998059014A1 - Additif reducteur de filtrat et fluide de puits - Google Patents

Additif reducteur de filtrat et fluide de puits Download PDF

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Publication number
WO1998059014A1
WO1998059014A1 PCT/FR1998/001312 FR9801312W WO9859014A1 WO 1998059014 A1 WO1998059014 A1 WO 1998059014A1 FR 9801312 W FR9801312 W FR 9801312W WO 9859014 A1 WO9859014 A1 WO 9859014A1
Authority
WO
WIPO (PCT)
Prior art keywords
acrylamide
branched
styrene sulfonate
well fluid
additive according
Prior art date
Application number
PCT/FR1998/001312
Other languages
English (en)
French (fr)
Inventor
Annie Audibert-Hayet
Jean-François Argillier
Lionel Rousseau
Original Assignee
Institut Francais Du Petrole
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 Institut Francais Du Petrole filed Critical Institut Francais Du Petrole
Priority to EP98933684A priority Critical patent/EP0927236A1/fr
Priority to CA002263952A priority patent/CA2263952A1/fr
Publication of WO1998059014A1 publication Critical patent/WO1998059014A1/fr
Priority to NO990844A priority patent/NO990844L/no

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
    • C09K8/04—Aqueous well-drilling compositions
    • C09K8/14—Clay-containing compositions
    • C09K8/18—Clay-containing compositions characterised by the organic compounds
    • C09K8/22—Synthetic organic compounds
    • C09K8/24—Polymers
    • 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
    • C09K8/04—Aqueous well-drilling compositions
    • C09K8/06—Clay-free compositions
    • C09K8/12—Clay-free compositions containing synthetic organic macromolecular compounds or their precursors

Definitions

  • the present invention relates to a copolymer of acrylamide and
  • styrene sulfonate containing at least 30% of styrene sulfonate functions.
  • molecular mass can be between 100,000 and 10 7 , and preferably
  • the copolymer is a branched product with a branching product.
  • the branching agent can be incorporated during the polymerization, it
  • the covalent agents can be unsaturated monomers
  • diethylenic e.g. diacrylate esters, such as diacrylates of
  • polyethylene glycols PEG polyethylene glycols PEG
  • polyethylene such as for example N, N '
  • MCA methylenebisacrylamide
  • diallylamine or allylether type any known, or more generally a structure of the diallylamine or allylether type.
  • Post-branching agents can be metal salts
  • aqueous containing 10 to 25% of active ingredients containing 10 to 25% of active ingredients.
  • CMC - cellulose derivatives
  • the S 3 series differs from the SI series by their branched structure.
  • the branching agent used here is N, N'-Methylene bis
  • test conditions are:
  • the cake of the formulation containing HOSTADRILL is fluid and is more like a gel structure than a cake proper.
  • centipoise the threshold value, or yield value (YV) is expressed in
  • branched reduces the filtered volume and the thickness of the filter cake.
  • Test 5 Influence of temperature aging (160 ° C)
  • NAo initial apparent viscosity
  • Remarks The branching of the acrylamide / styrene copolymers
  • the plastic viscosity is expressed in centipoise (cP), the threshold value,
  • yield value is expressed in pounds / 100 square feet, the filtrate 30 'in milliliter (ml), the slope in cm / minute and the total organic concentration of
  • Xanthan 4 g / 1 HYMOD PRIMA (or HMP) 28 .5 g / 1, NaCl 20 g / 1,
  • the plastic viscosity is expressed in centipoise (cP), the threshold value,
  • HYMOD PRIMA is a filler clay marketed
  • particle size varies from 0.1 to 10 ⁇ m.
  • acrylamide / styrene sulfonate copolymers have filtration properties

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Cosmetics (AREA)
PCT/FR1998/001312 1997-06-24 1998-06-23 Additif reducteur de filtrat et fluide de puits WO1998059014A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP98933684A EP0927236A1 (fr) 1997-06-24 1998-06-23 Additif reducteur de filtrat et fluide de puits
CA002263952A CA2263952A1 (fr) 1997-06-24 1998-06-23 Additif reducteur de filtrat et fluide de puits
NO990844A NO990844L (no) 1997-06-24 1999-02-23 Filtratreduserende tilsetningsstoff og br°nnfluid

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9707980A FR2764900B1 (fr) 1997-06-24 1997-06-24 Additif reducteur de filtrat et fluide de puits
FR97/07980 1997-06-24

Publications (1)

Publication Number Publication Date
WO1998059014A1 true WO1998059014A1 (fr) 1998-12-30

Family

ID=9508452

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FR1998/001312 WO1998059014A1 (fr) 1997-06-24 1998-06-23 Additif reducteur de filtrat et fluide de puits

Country Status (5)

Country Link
EP (1) EP0927236A1 (no)
CA (1) CA2263952A1 (no)
FR (1) FR2764900B1 (no)
NO (1) NO990844L (no)
WO (1) WO1998059014A1 (no)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0079071A1 (de) * 1981-11-11 1983-05-18 CASSELLA Aktiengesellschaft Wasserlösliches Copolymerisat, seine Herstellung und Verwendung
US4461884A (en) * 1983-03-25 1984-07-24 Exxon Research And Engineering Co. Intramolecular polymeric complexes-viscosifiers for acid, base and salt (aqueous) solutions
EP0557146A1 (fr) * 1992-02-03 1993-08-25 Institut Francais Du Petrole Compositions à base de gels et leur utilisation pour la réduction selective de la perméabilité à l'eau dans les reservoirs chauds et sales
EP0728826A1 (en) * 1995-02-21 1996-08-28 Phillips Petroleum Company Compositions comprising an acrylamide-containing polymer and process therewith

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0079071A1 (de) * 1981-11-11 1983-05-18 CASSELLA Aktiengesellschaft Wasserlösliches Copolymerisat, seine Herstellung und Verwendung
US4461884A (en) * 1983-03-25 1984-07-24 Exxon Research And Engineering Co. Intramolecular polymeric complexes-viscosifiers for acid, base and salt (aqueous) solutions
EP0557146A1 (fr) * 1992-02-03 1993-08-25 Institut Francais Du Petrole Compositions à base de gels et leur utilisation pour la réduction selective de la perméabilité à l'eau dans les reservoirs chauds et sales
EP0728826A1 (en) * 1995-02-21 1996-08-28 Phillips Petroleum Company Compositions comprising an acrylamide-containing polymer and process therewith

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"COPOLYMERS AND TERPOLYMERS OF STYRENE SULFONATE AS SHALE STABILIZERS", RESEARCH DISCLOSURE, no. 391, November 1996 (1996-11-01), pages 725/726, XP000680923 *

Also Published As

Publication number Publication date
NO990844L (no) 1999-04-22
NO990844D0 (no) 1999-02-23
FR2764900A1 (fr) 1998-12-24
FR2764900B1 (fr) 2001-06-01
CA2263952A1 (fr) 1998-12-30
EP0927236A1 (fr) 1999-07-07

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