Wells
Processes
Operating valve, closure, or changeable restrictor in a well
Inventor
active
Dual flapper valve assembly
Dual hydraulic set packer
Expendable flapper valve
Multi-position tool and method for running and setting a packer
Single bore packer with dual flow conversion for gas lift comple
No associations
LandOfFree
Richard M. Sproul does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Richard M. Sproul, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Richard M. Sproul will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-657392