Wells
Processes
Freeing stuck object, grappling or fishing in well
Inventor
active
Hydraulic-mechanical jar tool
Quick lock wireline valve/blow-out preventor and methods for...
No associations
LandOfFree
David Trevor Darnell does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with David Trevor Darnell, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and David Trevor Darnell will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-3084589