DRILLING FLUIDS BASED ON SULPHONATED THERMOPLASTIC POLYMERS
A Standard patent application filed on 12 September 1983 credited to Turner, Sam Richard
;
Walker, Thad Oscar
;
Peiffer, Dennis George
;
Lundberg, Robert Dean
Details
Application number :
19049
Application type :
Standard
Application status :
CEASED
Under opposition :
No
Proceeding type :
Invention title :
DRILLING FLUIDS BASED ON SULPHONATED THERMOPLASTIC POLYMERS
Inventor :
Turner, Sam Richard
;
Walker, Thad Oscar
;
Peiffer, Dennis George
;
Lundberg, Robert Dean