A seal for a longitudinally movable drillstring component
A Standard patent application filed on 04 February 1998 credited to Hannegan, Don M. ; Williams, John R.

Details

Application number :

62646  

Application type :

Standard  

Application status :

LAPSED  

Under opposition :

No  

Proceeding type :

 

Invention title :

A seal for a longitudinally movable drillstring component  

Inventor :

Hannegan, Don M. ; Williams, John R.  

Agent name :

 

Address for service :

 

Filing date :

04 February 1998  

Associated companies :

 

Applicant name :

Williams, John R.  

Applicant address :

 

Old name :

 

Original Source :

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