A drilling system and method for controlling the directions of holes being drilled or cored in subsurface formations
A Standard patent application filed on 16 July 1991 credited to Barr, John Denzil
Details
Application number :
80440
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
A drilling system and method for controlling the directions of holes being drilled or cored in subsurface formations
Inventor :
Barr, John Denzil
Agent name :
PHILLIPS ORMONDE FITZPATRICK
Address for service :
367 Collins Street MELBOURNE VIC 3000
Filing date :
16 July 1991
Associated companies :
Applicant name :
Camco Drilling Group Limited
Applicant address :
Hycalog Oldends Lane Industrial Estate Stonehouse Gloucestershire United Kingdom