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On Sept. 7th, SINOPEC SHUNBEI XXX well where Cavaville provided trajectory tracking service had been successfully completed with TD 8,169.27m. It has made a new record regarding along hole depth in this oil company, and altogether has broken 5 drilling records.

This well is a horizontal well with sidetracking point 7,370m, and the horizontal section is 474m. Cavaville was in charge of the horizontal section (7,595-8,169.27m) trajectory control. The total drilling footage is 574.27m, the total downhole time is 539hrs, the max BHST is 161℃, the max BHCT is 153℃, and the max dowhole time is 187.5hrs in one trip. During the whole period, the instruments signals are strong with good decoding and accurate data.

SINOPEC SHUNBEI XXX well is a preliminary prospecting well in Shunbei block. It is an extra deep and high temperature horizontal well with complicated geologic structure. There are a lot of difficulties in drilling this well, easy to collapse, easy to stick, likely lost circulation, hard well control, etc. Nevertheless, Cavaville has made a great success by investigating the block and adjacent wells, combining the characteristics of the geologic structure. Cavaville used imported HTHP MWD and adjusted its parameters to make sure it would complete the trajectory control successfully. Cavaville’s reliable instruments and serious working attitude won the unanimous praise from the customers.