IT1276156B1 - Fluidi per pozzo - Google Patents

Fluidi per pozzo

Info

Publication number
IT1276156B1
IT1276156B1 IT95MI002422A ITMI952422A IT1276156B1 IT 1276156 B1 IT1276156 B1 IT 1276156B1 IT 95MI002422 A IT95MI002422 A IT 95MI002422A IT MI952422 A ITMI952422 A IT MI952422A IT 1276156 B1 IT1276156 B1 IT 1276156B1
Authority
IT
Italy
Prior art keywords
per well
fluids per
fluids
well
per
Prior art date
Application number
IT95MI002422A
Other languages
English (en)
Inventor
Luigi Nicora
Marco Graziosi
Pierangelo Pirovano
Original Assignee
Lamberti Spa
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 Lamberti Spa filed Critical Lamberti Spa
Priority to IT95MI002422A priority Critical patent/IT1276156B1/it
Publication of ITMI952422A0 publication Critical patent/ITMI952422A0/it
Priority to CA 2237855 priority patent/CA2237855A1/en
Priority to DE69606320T priority patent/DE69606320T2/de
Priority to PCT/EP1996/005128 priority patent/WO1997019145A1/en
Priority to AU76949/96A priority patent/AU7694996A/en
Priority to EP96939872A priority patent/EP0862603B1/en
Publication of ITMI952422A1 publication Critical patent/ITMI952422A1/it
Application granted granted Critical
Publication of IT1276156B1 publication Critical patent/IT1276156B1/it
Priority to NO19982318A priority patent/NO322842B1/no

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H15/00—Compounds containing hydrocarbon or substituted hydrocarbon radicals directly attached to hetero atoms of saccharide radicals
    • C07H15/02—Acyclic radicals, not substituted by cyclic structures
    • C07H15/04—Acyclic radicals, not substituted by cyclic structures attached to an oxygen atom of the saccharide radical
    • 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
    • C09K8/20—Natural organic compounds or derivatives thereof, e.g. polysaccharides or lignin derivatives
    • C09K8/206—Derivatives of other natural products, e.g. cellulose, starch, sugars
IT95MI002422A 1995-11-22 1995-11-22 Fluidi per pozzo IT1276156B1 (it)

Priority Applications (7)

Application Number Priority Date Filing Date Title
IT95MI002422A IT1276156B1 (it) 1995-11-22 1995-11-22 Fluidi per pozzo
CA 2237855 CA2237855A1 (en) 1995-11-22 1996-11-21 Well fluid
DE69606320T DE69606320T2 (de) 1995-11-22 1996-11-21 Bohrlochbehandlungsflüssigkeit
PCT/EP1996/005128 WO1997019145A1 (en) 1995-11-22 1996-11-21 Well fluid
AU76949/96A AU7694996A (en) 1995-11-22 1996-11-21 Well fluid
EP96939872A EP0862603B1 (en) 1995-11-22 1996-11-21 Well fluid
NO19982318A NO322842B1 (no) 1995-11-22 1998-05-20 Vannbasert bronnvaeske, fremgangsmate for dens fremstilling og anvendelse derav

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT95MI002422A IT1276156B1 (it) 1995-11-22 1995-11-22 Fluidi per pozzo

Publications (3)

Publication Number Publication Date
ITMI952422A0 ITMI952422A0 (it) 1995-11-22
ITMI952422A1 ITMI952422A1 (it) 1997-05-22
IT1276156B1 true IT1276156B1 (it) 1997-10-27

Family

ID=11372571

Family Applications (1)

Application Number Title Priority Date Filing Date
IT95MI002422A IT1276156B1 (it) 1995-11-22 1995-11-22 Fluidi per pozzo

Country Status (6)

Country Link
EP (1) EP0862603B1 (it)
AU (1) AU7694996A (it)
DE (1) DE69606320T2 (it)
IT (1) IT1276156B1 (it)
NO (1) NO322842B1 (it)
WO (1) WO1997019145A1 (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6861459B2 (en) 1999-07-09 2005-03-01 Construction Research & Technology Gmbh Oligomeric dispersant
US6133347A (en) * 1999-07-09 2000-10-17 Mbt Holding Ag Oligomeric dispersant
IT1313694B1 (it) * 1999-11-26 2002-09-09 Eni Spa Procedimento per ridurre l'assorbimento di polimeri su matricerocciosa.
US7018955B2 (en) 2000-08-14 2006-03-28 Grain Processing Corporation Drilling fluid, apparatus, and method
US6518223B2 (en) 2000-08-14 2003-02-11 Grain Processing Corporation Drilling fluid, apparatus, and method
CA2463714A1 (en) * 2002-08-28 2004-03-11 Grain Processing Corporation Drilling fluid, apparatus, and method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5403820A (en) * 1992-12-24 1995-04-04 O'brien-Goins-Simpson & Associates Environmentally safe water base drilling fluid
FR2709679B1 (fr) * 1993-08-06 1995-10-06 Seppic Sa Compositions aqueuses concentrées d'alkylpolyglycosides et leurs utilisations.
FR2719600B1 (fr) * 1994-05-04 1996-06-14 Inst Francais Du Petrole Procédé et fluide utilisés dans un puits - Application au forage.
EP0702073A1 (en) * 1994-09-19 1996-03-20 Baker Hughes Incorporated Shale stabilising drilling fluid employing saccharide derivatives
US5684075A (en) * 1995-02-21 1997-11-04 Phillips Petroleum Company Compositions comprising an acrylamide-containing polymer and process therewith

Also Published As

Publication number Publication date
WO1997019145A1 (en) 1997-05-29
ITMI952422A1 (it) 1997-05-22
EP0862603A1 (en) 1998-09-09
NO322842B1 (no) 2006-12-11
ITMI952422A0 (it) 1995-11-22
NO982318D0 (no) 1998-05-20
NO982318L (no) 1998-07-21
DE69606320T2 (de) 2000-08-24
AU7694996A (en) 1997-06-11
EP0862603B1 (en) 2000-01-19
DE69606320D1 (de) 2000-02-24

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Legal Events

Date Code Title Description
0001 Granted