CD

Colin Davidson

DI Dowell Schlumberger Incorporated: 1 patents #44 of 148Top 30%
Shell Oil Compny: 1 patents #2,223 of 4,423Top 55%
Overall (All Time): #1,603,098 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6705414 Tubular transfer system Michael Lee Simpson 2004-03-16
4889563 Process for retarding and controlling the formation of gels or precipitates derived from aluminium and corresponding compositions, plus the corresponding applications-in particular regarding oil wells Alan Parker 1989-12-26
4828724 Drilling fluid to minimize solids disintegration 1989-05-09