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首页> 外文会议>Technology advances >Controlling Inclination in Rotary Mode in Tight TVD Corridors using a 2-Dimensional Steerable System
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Controlling Inclination in Rotary Mode in Tight TVD Corridors using a 2-Dimensional Steerable System

机译：使用二维可控系统在紧TVD走廊中以旋转模式控制倾斜

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This paper is a review of a 2D Rotary Steerable System asrnused to control the inclination of over 200 horizontal wells.rnHorizontal well drilling is a common directional drillingrntechnique enabling access to hydrocarbon reserves whilstrnlowering field development costs and improving wellrnproduction. In order to maximise drilling in the “filet mignon”rnof the reservoir, geologists often require tight TVD corridorsrnto be maintained. To achieve this, TVD corrections can bernmade in either rotary or oriented mode. Both methods arernevaluated in terms of their effectiveness and efficiency.rnFactors in favour of a 2D Rotary Steerable System are: it isrnreliable, proven and adds significant value to the drillingrnprocess. It is effective because it enables tight TVD objectivesrnto be met. It is efficient because it increases Rates ofrnPenetration (ROP) whilst improving well-bore quality. Thesernbenefits are direct consequences of eliminating orientedrninclination control, the smoothing out of well-bore curvaturern(dogleg severity) and the continuous mechanical agitation ofrncuttings beds. Considerable offset data (Ref 1 to 7 inc) showsrnhow directional drillers have used rotary BHA’s to meet tightrnTVD objectives; much to the satisfaction of Geologists.
机译：本文是对用于控制200多口水平井倾角的2D旋转可控系统的综述。水平井钻井是一种常见的定向钻井技术，能够获取碳氢化合物储量，同时降低了油田开发成本并提高了井产量。为了最大程度地在储层“菲力牛排”中钻孔，地质学家经常要求保持紧密的TVD走廊。为此，可以以旋转或定向模式进行TVD校正。两种方法的有效性和效率都没有重新评估。支持二维旋转可控系统的因素是：它是可靠的，经过验证的，并为钻井过程增加了重要的价值。之所以有效，是因为它可以实现严格的TVD目标。它之所以有效，是因为它提高了钻进率（ROP），同时提高了井眼质量。这些好处是消除定向倾斜控制，平滑井眼弯曲（狗腿严重度）和连续切削床机械搅动的直接结果。相当多的偏移数据（参考文献1至7包括）显示了定向钻机如何使用旋转BHA来满足紧缩的TVD目标。非常令地质学家满意。

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