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到1984年5月止,川东钻探公司已有60121等十二个钻井队达到喷射钻井第三阶段,占公司钻机总数的31.6％。60121队在板7井坚持喷射钻井第三阶段,泵压开到180～220公斤力/厘米~2,水力参数比较合理。板7井在今年2月8日开钻,至5月底已钻到井深2768.35米,钻机月速705米/台月,机械钻速1.94米/时,比1983年全公司平均机械钻速提高28.5％。
By May 1984, there had been 12 drill teams of 60121 in the eastern Sichuan drilling company reaching the third stage of jet drilling, accounting for 31.6% of the total number of drilling rigs of the company. 60,121 team stuck in the well plate 7 wells jet drilling the third stage, the pump pressure to open to 180 ~ 220 kg / cm ~ 2, hydraulic parameters more reasonable. Plate 7 well drilled on February 8 this year, to the end of May had drilled 2768.35 meters well depth, rig speed 705 meters / Taiwan month, the penetration rate of 1.94 m / h, the company-wide than the average penetration rate of 28.5 in 28.5 %.