Completion Services, Inc.
6Patents
0Active
6Granted
25Portfolio score
Filing activity: May 11, 1981 → Dec 2, 1991
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4858690A | Upward movement only actuated gravel pack system | Fixed Constructions | 49 | Expired |
| US4440218A | Slurry up particulate placement tool | Fixed Constructions | 39 | Expired |
| US4474239A | Sand placement | Fixed Constructions | 29 | Expired |
| US5137088A | Travelling disc valve apparatus | Fixed Constructions | 21 | Expired |
| US4924941A | Bi-directional pressure assisted sealing packers | Fixed Constructions | 13 | Expired |
| US5205361A | Up and down travelling disc valve assembly apparatus | Fixed Constructions | 5 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.