Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE38616 | Downhole equipment, tools and assembly procedures for the drilling, tie-in and completion of vertical cased oil wells connected to liner-equipped multiple drainholes | — | 2004-10-12 |
| 6533040 | Multi-function apparatus for adding a branch well sealed liner and connector to an existing cased well at low cost | — | 2003-03-18 |
| 6065209 | Method of fabrication, tooling and installation of downhole sealed casing connectors for drilling and completion of multi-lateral wells | — | 2000-05-23 |