HL-58, a 2000HP fully automatic integrated large fast-moving drilling rig, model ZJ70DBST, has been providing drilling services for PDO in Oman since 2018. It has fully demonstrated the safety and superiority of the automated drilling rig. Good QHSE performance and efficient operation performance, won many awards from Client. In PDO's GAS TEAM KPI comprehensive evaluation of 12 well teams, HL-58 ranked among the best.

HL-59, is a 2000HP fully automatic integrated large fast-moving drilling rig, model ZJ70DBST, has been providing drilling services for PDO in Oman since 2018, with high QHSE management level, operation efficiency of automation equipment and good service quality. It has made many achievements and won many awards from Client. Ranked third in the KPI comprehensive evaluation of 12 drilling teams of PDO GAS TEAM in 2020. HL-59 relocation in October 2019 set two PDO records: the first time a PDO drilling contractor used a double vertical relocation of base and derrick; The moving period is the shortest, 3.16 days from the release of the rig to the receipt of the rig.