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Computalog Ltd. Patents |
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Assignee: Computalog Ltd.
Address: Calgary, CA
No. of patents: 3
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 6412614 |
Downhole shock absorber |
July 2, 2002 |
| A shock absorber for damping shock energy generated by downhole perforating guns or stimulation devices is described. The shock absorber includes a spring assembly including at least a first spring and a second spring, the first spring having a tension greater than the second spring; a d |
| 5078650 |
Universal joint arrangement for downhole tools |
January 7, 1992 |
| The universal joint arrangement includes a first adapter having two projecting support formations; a drive plate having a first pair of matching depressions or pockets is seated with these depressions on the projecting support formations of the first adapter and the drive plate has a |
| 5067874 |
Compressive seal and pressure control arrangements for downhole tools |
November 26, 1991 |
| The disclosure relates to downhole drilling motors which include seal arrangements and pressure control assemblies for staging the pressure between the two seal assemblies, with each pressure control assembly including a rotary element for displacing a piston, and the piston controll |
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