Nova Patents
MX169299B

Well bore fluid

Abstract

The present invention relates to a method for the termination or treatment of a well, characterized by the step of using a solids-free, non-aqueous probing fluid, consisting of a halogenated organic compound, such as a termination or treatment fluid the fluid having a specific gravity within the range of 0.9 to 2.3.

Term

Term ended

Expired 29 May 2007, 19.3 years ago.

  1. Priority
  2. Filed
  3. Granted
  4. Expired
  5. Today

22 members in 12 offices

This recordMember, by publication datePriority claim2 more offices are in the list below

Priority claims2

Priority claims
DocumentOfficeKindDate
8613222United KingdomA
8625543United KingdomA

Members22

Family members, oldest first
DocumentOfficeKind
GB8613222D0United KingdomD0
GB8625543D0United KingdomD0
NO872192D0NorwayD0
DK277287D0DenmarkD0
PT84978APortugalA
IE871424LIrelandL
DK277287ADenmarkA
NO872192LNorwayL
EP0247801A2European Patent Office (EPO)A2
BR8702788ABrazilA
EP0247801A3European Patent Office (EPO)A3
PT84978BPortugalB
US4900456AUnited States of AmericaA
CA1274380ACanadaA
EP0247801B1European Patent Office (EPO)B1
DE3766007D1GermanyD1
ES2018830B3SpainB3
NO172546BNorwayB
MX169299BThis recordMexicoB
NO172546CNorwayC
DK168825B1DenmarkB1
IE60666B1IrelandB1