Reverse circulation directional and horizontal drilling using concentric drill string
A Standard patent application filed on 21 August 2003 credited to Livingstone, James I.

Details

Application number :
2003260211  
Application type :
Standard  
Application status :
LAPSED  
Under opposition :
No  
Proceeding type :
 
Invention title :
Reverse circulation directional and horizontal drilling using concentric drill string  
Inventor :
Livingstone, James I.  
Agent name :
 
Address for service :
 
Filing date :
21 August 2003  
Associated companies :
 
Applicant name :
PRESSSOL LTD.  
Applicant address :
8 Lake Placid Bay S.E., Calgary, Alberta T2P 5A6  
Old name :
 
Original Source :
Go  

Same Inventor