The use of selected ester oils in drilling fluids, particularly for the offshore development of oil and gas sources (II)
A Standard patent application filed on 11 December 1989 credited to Muller, Heinz ; Herold, Claus-Peter ; Smith, Stuart P.T. ; Grimes, John Douglas ; Braun, Jean-Marc ; Von Tapavicza, Stephan

Details

Application number :

49549  

Application type :

Standard  

Application status :

EXPIRED  

Under opposition :

No  

Proceeding type :

 

Invention title :

The use of selected ester oils in drilling fluids, particularly for the offshore development of oil and gas sources (II)  

Inventor :

Muller, Heinz ; Herold, Claus-Peter ; Smith, Stuart P.T. ; Grimes, John Douglas ; Braun, Jean-Marc ; Von Tapavicza, Stephan  

Agent name :

SPRUSON & FERGUSON  

Address for service :

GPO Box 3898 SYDNEY NSW 2001  

Filing date :

11 December 1989  

Associated companies :

 

Applicant name :

Cognis Deutschland GmbH & Co. KG  

Applicant address :

Henkelstrasse 67, 40551 Dusseldorf, Germany  

Old name :

Baroid Drilling Fluids Inc. ; Baroid Limited ; Cognis Deutschland GmbH ; Halliburton Energy Services, Inc. ; Henkel Kommanditgesellschaft Auf Aktien  

Original Source :

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