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我队59年四月份开始大胆推行75毫米小口径钻进后,钻探生产效率显著提高,如59年一季度全分队实际的台月效率为384米,而二季度为598米(其中五月份台月效率达到800米),三季度为646米。根据几个月的体会,将两大一快、新式钻头、无岩心钻进等经验,结合应用在75毫米口径,其效率会更高,因此同志们一致认为,在能满足地质目的及要求的前提下,
My team started to boldly launch the 75 mm small diameter drilling in April 59. The production efficiency of drilling increased significantly. For example, the actual unit efficiency of the entire unit in the first quarter of 59 was 384 meters, compared with 598 meters in the second quarter (of which Taiwan in May Monthly efficiency of 800 meters), the third quarter was 646 meters. According to a few months of experience, the experience of combining two big fast and one new, new drill bit, drilling without core, combined with the application of 75 mm caliber, will be more efficient. Therefore, the comrades agreed that in meeting the geological objectives and requirements Under the premise,