The development of radial horizontal well drilling technology was under the studies on swirling jet theory and rock failure mechanism.
旋转射流理论和破岩机理研究，研制了径向水平钻井技术。
A further utilization of horizontal wells is to improve oil recoveries with an improvementin drilling technology and reduce well costs is suggested.
随着水平钻井技术的不断提高和费用的下降，利用水平井的经济前景越来越好。
During drilling horizontal well, usually adopt geometry steerable drilling technology to increase the penetration rate of borehole track in oil reservoir.
在水平井钻井中，通常采用地质导向钻井技术来提高井眼轨迹在油层中的穿透率。
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