Object: Pre-salt HP/HT well with risk of H2S occurrence, Caspian oil and gas field, Russia

The purpose of the work: accident-free well construction by preventing geological complications

Issues: High uncertainty in reservoir pressure values ​​and absorption gradients, risk of hydrogen sulfide manifestation. The absence of the LWD complex in the layout.

Object: Exploration well with AHFP. Achimov deposits. West Siberian oil and gas field. Russia.

The purpose of the work: accident-free well construction due to the forecast of AHRP zones and the prevention of geological complications

Issues: High uncertainty in the reservoir pressure profile, risks of OGVP. Lack of drilling experience for the target interval in the field.