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Recently, qinghai oilfield in 2011 SeBei a number for the construction of a productivity of 850 million cube gas drilling project completed successfully. Drilling progress realize spud 61 mouth, completion mouth, accumulative total 61 78622 meters, complete the footage on average 1289 meters deep well well, an average of 25.16 m/mechanical drilling speed, an average of 9.95 days, in average, drilling cycle after cycle, an average of 14.76 days well well construction cycle 18 days (moving time 3.32 days, completion time of 4.81 days), average speed of 2620 meters per rig month on Taiwan.
2011 years SeBei a number for the construction of a productivity of 850 million cube gas drilling engineering, since feb 28,, in the oil field to start smoothly since the war inside and outside the joint efforts of the unit, after 207 days of construction safety, high efficiency, with the last one mouthful development Wells H1-9 well unsmooth smooth completion, marked the SeBei in 2011, the construction of a productivity of 850 million cube gas drilling project completed successfully.
At present, the construction of a productivity of 850 million cube gas field SeBei new Wells are put into production in order to work, the total 52 of the well cast new tasks (including horizontal well 15 mouth), with 74% of the total plan, to ensure that year, when put into production to realize the goal of construction laid a foundation.
SeBei a number for the construction of a productivity of 850 million cube gas main quantity: 2 sets QiZhan optimization and adjustment of the transformation, the no. 3 sets QiZhan optimization and adjustment of the transformation, the 4 sets QiZhan optimization and adjustment of the transformation, the station, gathering and transportation pipeline works. SeBei a productivity of 850 million cube gas field, the construction project is a key project in qinghai oilfield in 2011, after the completion of the project SeBei gas field outside of natural gas levels will lose on a higher level, will be effective in relieving xining, lanzhou city winter natural gas supply and demand and downstream tense situation, will also be lanzhou city such as a plan to provide powerful safeguard to realize the blue sky.