IT1255520B - Fluido di perforazione esente da cromo eficace ad alte temperature. - Google Patents

Fluido di perforazione esente da cromo eficace ad alte temperature.

Info

Publication number
IT1255520B
IT1255520B ITMI922190A ITMI922190A IT1255520B IT 1255520 B IT1255520 B IT 1255520B IT MI922190 A ITMI922190 A IT MI922190A IT MI922190 A ITMI922190 A IT MI922190A IT 1255520 B IT1255520 B IT 1255520B
Authority
IT
Italy
Prior art keywords
chromium
high temperatures
effective
drilling fluid
free drilling
Prior art date
Application number
ITMI922190A
Other languages
English (en)
Inventor
Fausto Miano
Antonello Pittalis
Thomas P Lockhart
Stefano Carminati
Giovanni Burrafato
Original Assignee
Eniricerche Spa
Agip 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 Eniricerche Spa, Agip Spa filed Critical Eniricerche Spa
Publication of ITMI922190A0 publication Critical patent/ITMI922190A0/it
Priority to ITMI922190A priority Critical patent/IT1255520B/it
Priority to AT93200980T priority patent/ATE123051T1/de
Priority to DE69300161T priority patent/DE69300161T2/de
Priority to EP93200980A priority patent/EP0565187B1/en
Priority to DK93200980.6T priority patent/DK0565187T3/da
Priority to ES93200980T priority patent/ES2072791T3/es
Priority to CA002093726A priority patent/CA2093726C/en
Priority to JP5107682A priority patent/JPH0665567A/ja
Priority to BR9301504A priority patent/BR9301504A/pt
Priority to RU95108555A priority patent/RU2111229C1/ru
Publication of ITMI922190A1 publication Critical patent/ITMI922190A1/it
Priority to US08/283,665 priority patent/US5424283A/en
Application granted granted Critical
Publication of IT1255520B publication Critical patent/IT1255520B/it

Links

Landscapes

  • Colloid Chemistry (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
  • Lubricants (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)

Abstract

Si descrivono fanghi di perforazione acquosi totalmente esenti da cromo, additivati con complessi di zirconio tetravalente, capaci di conferire fluidità ai suddetti fanghi anche ad alta temperatura.
ITMI922190A 1992-04-10 1992-09-24 Fluido di perforazione esente da cromo eficace ad alte temperature. IT1255520B (it)

Priority Applications (11)

Application Number Priority Date Filing Date Title
ITMI922190A IT1255520B (it) 1992-09-24 1992-09-24 Fluido di perforazione esente da cromo eficace ad alte temperature.
AT93200980T ATE123051T1 (de) 1992-04-10 1993-04-03 Hochtemperatur-bohrschlämme.
DE69300161T DE69300161T2 (de) 1992-04-10 1993-04-03 Hochtemperatur-Bohrschlämme.
EP93200980A EP0565187B1 (en) 1992-04-10 1993-04-03 Drilling muds effective at high temperature
DK93200980.6T DK0565187T3 (da) 1992-04-10 1993-04-03 Boreslam, som er effektiv ved høj temperatur
ES93200980T ES2072791T3 (es) 1992-04-10 1993-04-03 Lodos de perforacion efectivos a alta temperatura.
CA002093726A CA2093726C (en) 1992-04-10 1993-04-08 Drilling muds effective at high temperature
JP5107682A JPH0665567A (ja) 1992-04-10 1993-04-09 掘削泥水組成物
BR9301504A BR9301504A (pt) 1992-04-10 1993-04-12 Composicao de lama de perfuracao,processo para a preparacao de lamas aquosas estaveis e uso das ditas lamas
RU95108555A RU2111229C1 (ru) 1992-09-24 1993-09-23 Способ приготовления водных буровых растворов на основе глины, не агрессивных к глинистым слоям, и обработанная глина
US08/283,665 US5424283A (en) 1992-04-10 1994-08-01 Drilling muds effective at high temperature

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI922190A IT1255520B (it) 1992-09-24 1992-09-24 Fluido di perforazione esente da cromo eficace ad alte temperature.

Publications (3)

Publication Number Publication Date
ITMI922190A0 ITMI922190A0 (it) 1992-09-24
ITMI922190A1 ITMI922190A1 (it) 1994-03-24
IT1255520B true IT1255520B (it) 1995-11-09

Family

ID=11363992

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI922190A IT1255520B (it) 1992-04-10 1992-09-24 Fluido di perforazione esente da cromo eficace ad alte temperature.

Country Status (2)

Country Link
IT (1) IT1255520B (it)
RU (1) RU2111229C1 (it)

Also Published As

Publication number Publication date
ITMI922190A1 (it) 1994-03-24
RU2111229C1 (ru) 1998-05-20
ITMI922190A0 (it) 1992-09-24

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970917