ZG

Zean Z. Gassmann

Chevron: 3 patents #1,350 of 4,788Top 30%
Overall (All Time): #1,677,508 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4577688 Injection of steam foaming agents into producing wells Jeffrey T. Hawkins, Alfred Brown 1986-03-25
4540049 Method of improving steam flood conformance with steam flooding agents without a non-condensable gas Jeffrey T. Hawkins 1985-09-10
4540050 Method of improving conformance in steam floods with steam foaming agents Wann-Sheng Huang, Jeffrey T. Hawkins, Vernon H. Schievelbein, Wilbur L. Hall 1985-09-10