DD202303A5 - Verfahren zur stimulierung von erdgas- und erdoelbohrungen - Google Patents

Verfahren zur stimulierung von erdgas- und erdoelbohrungen Download PDF

Info

Publication number
DD202303A5
DD202303A5 DD81235743A DD23574381A DD202303A5 DD 202303 A5 DD202303 A5 DD 202303A5 DD 81235743 A DD81235743 A DD 81235743A DD 23574381 A DD23574381 A DD 23574381A DD 202303 A5 DD202303 A5 DD 202303A5
Authority
DD
German Democratic Republic
Prior art keywords
formula
weight
carbon atoms
units
water
Prior art date
Application number
DD81235743A
Other languages
German (de)
English (en)
Inventor
Friedrich Engelhardt
Klaus Kuehlein
Ulrich Riegel
Sigmar Von Halasz
Jeffrey C Dawson
Anthony R Reed
Original Assignee
Cassella Ag
Dresser Ind
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 Cassella Ag, Dresser Ind filed Critical Cassella Ag
Publication of DD202303A5 publication Critical patent/DD202303A5/de

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/52—Amides or imides
    • C08F220/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
    • C08F220/56—Acrylamide; Methacrylamide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F226/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen
    • 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
    • C09K8/58—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids
    • C09K8/588—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific polymers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymers & Plastics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Lubricants (AREA)
DD81235743A 1980-12-15 1981-12-14 Verfahren zur stimulierung von erdgas- und erdoelbohrungen DD202303A5 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21667180A 1980-12-15 1980-12-15

Publications (1)

Publication Number Publication Date
DD202303A5 true DD202303A5 (de) 1983-09-07

Family

ID=22808024

Family Applications (2)

Application Number Title Priority Date Filing Date
DD81235743A DD202303A5 (de) 1980-12-15 1981-12-14 Verfahren zur stimulierung von erdgas- und erdoelbohrungen
DD81248960A DD207726A5 (de) 1980-12-15 1981-12-14 Verfahren zur herstellung eines wasserloeslichen copolymerisats

Family Applications After (1)

Application Number Title Priority Date Filing Date
DD81248960A DD207726A5 (de) 1980-12-15 1981-12-14 Verfahren zur herstellung eines wasserloeslichen copolymerisats

Country Status (9)

Country Link
EP (1) EP0078805B1 (fr)
JP (1) JPS57502072A (fr)
BR (1) BR8109019A (fr)
CA (1) CA1189649A (fr)
DD (2) DD202303A5 (fr)
GB (1) GB2102441B (fr)
IT (1) IT1194128B (fr)
NO (1) NO822764L (fr)
WO (1) WO1982002073A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3326391A1 (de) * 1983-07-22 1985-01-31 Cassella Ag, 6000 Frankfurt Phosphonsaeuregruppen enthaltende polymerisate, ihre herstellung und ihre verwendung
EP0364399A3 (fr) * 1988-10-03 1992-04-29 Ciba-Geigy Ag Copolymères solubles ou dispersables dans l'eau, leur préparation et application
DE4409903A1 (de) * 1994-03-23 1995-09-28 Basf Ag N-Vinyleinheiten enthaltende Pfropfpolymerisate, Verfahren zu ihrer Herstellung und ihre Verwendung
GB2301836B (en) * 1995-06-08 1997-05-07 Exxon Production Research Co A method for inhibiting hydrate formation
US6028233A (en) * 1995-06-08 2000-02-22 Exxon Production Research Company Method for inhibiting hydrate formation
US5874660A (en) * 1995-10-04 1999-02-23 Exxon Production Research Company Method for inhibiting hydrate formation
GB2301825A (en) * 1996-03-28 1996-12-18 Exxon Production Research Co A polymer for inhibiting hydrate formation

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2931897A1 (de) * 1979-08-06 1981-02-26 Cassella Ag Wasserloesliches copolymerisat und seine herstellung
DE3027422A1 (de) * 1980-07-19 1982-02-25 Cassella Ag, 6000 Frankfurt Hochmolekulare wasserloesliche copolymerisate, ihre herstellung und verwendung

Also Published As

Publication number Publication date
BR8109019A (pt) 1983-04-12
IT8125571A0 (it) 1981-12-14
CA1189649A (fr) 1985-06-25
NO822764L (no) 1982-08-13
GB2102441A (en) 1983-02-02
DD207726A5 (de) 1984-03-14
GB2102441B (en) 1984-10-10
EP0078805B1 (fr) 1985-07-24
WO1982002073A1 (fr) 1982-06-24
IT1194128B (it) 1988-09-14
EP0078805A1 (fr) 1983-05-18
JPS57502072A (fr) 1982-11-18

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