E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/44, 137/4.15
E21B 43/12 (2006.01) E21B 34/08 (2006.01) E21B 34/16 (2006.01)
Patent
CA 951240
Berry Holland J.
Lewis David W.
LandOfFree
Wellbore safety valve does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Wellbore safety valve, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Wellbore safety valve will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-131576