Qatar’s North Field is the world’s largest non-associated natural gas field; Qatar Gas are increasing extraction here by 43% via the installation of eight wellhead platforms. The locations for seven of these platforms have been investigated by Robertson Geo to advise on their design.
At proposed locations for the wellheads, the PS Logger® extracted data from boreholes up to 160m deep. The geology encountered consisted of intermingling layers of Sands, Clays, Silts, and Limestones, producing Lithologies such as Calcarenite and Calcisilite. This meant data quality became highly variable as depth changed, however a faster sample rate of 10µs for S-wave data ensured greater resolution (and therefore data quality) throughout.
