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2011年苏77区块为提高单井产能方式开始布属了多口大位移小井眼水平井。通过MWD+伽马探管技术(随钻自然测井)在苏77-19-9H等井的实践应用,也能够有效地发现气藏,井眼轨迹控制平稳。并通过尝试应用多头中速单弯螺杆和液力推进器技术,实现了大斜度井提速目标,为苏里格气田大位移小井眼水平井开发油气藏提供了很好的借鉴经验。
In 2011, block 77 started to build multihole large displacement slim borehole horizontal wells for improving single well productivity. Through the practical application of MWD + gamma ray probe technology (natural logging while drilling) in wells Su-77-19-9H, it is also possible to effectively find gas reservoirs and to control the well trajectory smoothly. Through the application of multi-head middle-speed single-bend screw and hydraulic propulsion technology, the goal of speeding up the high-deviated well is achieved, which provides a good reference for the development of reservoirs with large-displacement slim borehole in the Sulige gas field.