OSCA, INC.
🏢 View company profile →10Patents
0Active
10Granted
31Portfolio score
Filing activity: May 1, 1989 → Jan 21, 2000
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5609204A | Isolation system and gravel pack assembly | Fixed Constructions | 124 | Expired |
| US5865251A | Isolation system and gravel pack assembly and uses thereof | Fixed Constructions | 77 | Expired |
| US5579844A | Single trip open hole well completion system and method | Fixed Constructions | 75 | Expired |
| US6405800B1 | Method and apparatus for controlling fluid flow in a well | Fixed Constructions | 59 | Expired |
| US6397949B1 | Method and apparatus for production using a pressure actuated circulating valve | Fixed Constructions | 45 | Expired |
| US6432885B1 | Well treatment fluids and methods for the use thereof | Emerging Cross-Sectional Technologies | 41 | Expired |
| US6206100A | Separable one-trip perforation and gravel pack system and method | Fixed Constructions | 18 | Expired |
| US5055209A | Reduction of the viscosity of solutions viscosified with Xanthan gum polymers | Emerging Cross-Sectional Technologies | 16 | Expired |
| USRE34758E | Travelling disc valve apparatus | General | 7 | Expired |
| US4938288A | Non-damaging workover and completion fluid | Emerging Cross-Sectional Technologies | 4 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.