20 October 2021
A well construction or maintenance activity employing appropriate equipment and controls where the pressure exerted in the wellbore is intentionally less than the pore pressure in […]
10 November 2021
Drilling operations employing used in drilling oil and gas wells with appropriate equipment and controls where the pressure exerted in the wellbore is intentionally less than […]
18 July 2017
The oil company in charge of development and production in an oilfield in which several companies have joined to produce the field.