| (84) |
Designated Contracting States: |
|
DE DK FR GB IE IT NL |
| (30) |
Priority: |
15.09.1997 WO PCT/EP97/05045
|
| (71) |
Applicants: |
|
- SOFITECH N.V.
Uccle (1180 Bruxelles) (BE)
DE DK GB IE IT NL
- COMPAGNIE DES SERVICES DOWELL SCHLUMBERGER
92541 Montrouge Cédex (FR)
FR
|
|
| (72) |
Inventors: |
|
- MAITLAND, Geoffrey,Schlumberger Cambridge Rch Ltd
Cambridge CB3 0EL (GB)
- SAWDON, Christopher
Par, Cornwall PL24 2HJ (GB)
- TEHRANI, Mostafa
St. Austell,Cornwall PL25 5AL (GB)
|
| (74) |
Representative: Menès, Catherine |
|
Etudes et Productions SchlumbergerDivision Dowell26, rue de la CavéeB.P. 202
92142 Clamart Cédex
92142 Clamart Cédex (FR) |
|
