PH

Paul Hazel

WA Welltec Oilfield Solutions Ag: 4 patents #2 of 13Top 20%
Overall (2020): #47,138 of 565,922Top 9%
4
Patents 2020

Issued Patents 2020

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10731438 Downhole well tubular structure with valve sleeve Ricardo Vasques, Satish Kumar 2020-08-04
10689941 Downhole tubular assembly of a well tubular structure 2020-06-23
10677013 Annular barrier with shunt tube 2020-06-09
10597975 Downhole completion system Ricardo Vasques 2020-03-24