Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10151189 | Single trip—through drill pipe proppant fracturing method for multiple cemented-in frac sleeves | Paul David Busengdal, Tore Sørheim, Tom Rune Koløy, Ståle Granberg, Pål Zon Rafdal +1 more | 2018-12-11 |