BT

Bjørn Tore TORVESTAD

AA Archer Oiltools As: 1 patents #8 of 15Top 55%
Overall (All Time): #2,448,474 of 4,157,543Top 60%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12392217 Toolstring and method for inner casing perforating, shattering annulus cement, and washing the first annulus in a second casing Jarle Varhaug, Andreas Fliss 2025-08-19