C6H水平井三维轨迹优选与控制技术
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摘要
渤海北部LD油田在井网加密、油田大规模综合布置新钻调整井时,存在新钻的25口井与老井井网交叉、井眼轨迹立体三维缠绕问题,其中C6H水平井是此类问题的典型,同时C6H井还需要在可钻性极差的馆陶组底砾岩地层定向造斜。针对上述问题,通过C6H井3种轨迹方案对比、分析,优选出最为有利的方案,结合螺杆马达和旋转导向工具性能分析,最后采用螺杆马达+水力震荡器+微偏心稳定器等钻具组合新方式,顺利实施了C6H井。
For well pattern infill and large-scale comprehensive arrangement of newly drilled adjustment wells in LD oilfield of northern Bohai,25 new wells cross with old well pattern and three-dimensional winding of borehole trajectory result in all the wells are three-dimensional designed with serious wellbores crossing problem,the typical case is C6H horizontal well which should be directional deflecting drilled in the Guantao formation basal conglomerate layer with extremely poor drillability. Aiming at the above,through the comparison and analysis on 3 kinds of trajectory scheme for C6H,the most favorable design is optimized; combined with the performance analysis on the screw motor and rotary steerable tools,new mode of DHA with screw motor + hydro-oscillator + micro eccentric stabilizer is adopted,C6H has been smoothly completed.
For well pattern infill and large-scale comprehensive arrangement of newly drilled adjustment wells in LD oilfield of northern Bohai,25 new wells cross with old well pattern and three-dimensional winding of borehole trajectory result in all the wells are three-dimensional designed with serious wellbores crossing problem,the typical case is C6H horizontal well which should be directional deflecting drilled in the Guantao formation basal conglomerate layer with extremely poor drillability. Aiming at the above,through the comparison and analysis on 3 kinds of trajectory scheme for C6H,the most favorable design is optimized; combined with the performance analysis on the screw motor and rotary steerable tools,new mode of DHA with screw motor + hydro-oscillator + micro eccentric stabilizer is adopted,C6H has been smoothly completed.
引文
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[5]姬洪刚,卓振洲,张雪峰,等.渤海某油田利用模块钻机调整井钻井作业的难点与对策[J].科技创新与应用,2014,23(6):77-78.
[6]刘鹏飞,和鹏飞,李凡,等.欠位移水平井C33H井裸眼悬空侧钻技术[J].石油钻采工艺,2014,36(1):44-47.
[7]刘鹏飞,和鹏飞,李凡,等.Power Drive Archer型旋转导向系统在绥中油田应用[J].石油矿场机械,2014,43(6):65-68.
[8]和鹏飞,吕广,程福旺,等.加密丛式调整井轨迹防碰质量控制研究[J].石油工业技术监督,2016,32(6):20-23.
[9]付建民,韩雪银,孙晓飞,等.PDC钻头防涡技术在砾岩地层中的应用[J].石油钻采工艺,2012,34(S1):5-8.
[10]刘鹏飞,和鹏飞,李凡,等.Power Drive Vorte X钻具系统配套PDC钻头优化设计[J].长江大学学报(自科版),2014,11(16):41-42.
[11]牟炯,和鹏飞,侯冠中,等.浅部大位移超长水平段I38H井轨迹控制技术[J].探矿工程(岩土钻掘工程),2016,43(2):57-59.
[12]和鹏飞,侯冠中,朱培,等.海上914.4 mm井槽弃井再利用实现单筒双井技术[J].探矿工程(岩土钻掘工程),2016,43(3):45-48.
[13]边杰,和鹏飞,朱培,等.渤海常用旋转导向系统造斜率影响因素分析[J].船海工程,2016,45(S1):210-213.
[14]陈虎,和鹏飞.密集交叉井网井眼轨道精确制导技术的应用[J].探矿工程(岩土钻掘工程),2017,44(1):41-45.
[15]和鹏飞.海上低成本侧钻调整井的可行性研究与实施[J].海洋工程装备与技术,2016,3(4):212-216.