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Backpressure controller for a drill hole
Device for utilizing the energy present in rolling waves of...
Down hole blow out preventer and method of use
Equipment for a well penetrating a formation located below a...
Method and apparatus for recording pressure in the pores of...
Backpressure controller for a drill hole
Device for utilizing the energy present in rolling waves of...
Down hole blow out preventer and method of use
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Profile ID: LFCA-PAI-P-236193