扩孔加大了环空间隙，固井后水泥环厚度和强度增大，可以延长侧钻小井眼油井寿命。
The annular clearance was also enlarged, thus the thickness and strength of the cement sheath was increased, and the oil well life of the sidetracked slim hole was also prolonged.
套管开窗侧钻小井眼水平井钻井技术的特殊性及复杂性给传统常规录井带来了严峻的挑战。
The particularity and complexity of sidetracking horizontal wells through the opened casing hole has brought severe challenges to conventional mud logging.
分析了中原油田开窗侧钻小井眼固井技术的难点，并针对性地提出了解决小井眼固井的技术措施。
The article analyses the main technical difficulty in cementing small hole well and proposes the acupuncture treatments.
应用小井眼开窗侧钻技术是降低钻井综合成本，提高原油产量的重要途径之一。
Slim hole sidetracking and window milling technology is one of the effective ways to cut down the comprehensive drilling cost and improve oil production rate.
在此基础上，针对一种具体的钻井工艺完成了海洋修井机用于开窗侧钻作业的配套方案研究，为海洋小井眼开窗侧钻作业提供了一种新的途径。
On the base of that, the matching construction of the ocean workover rig for side tracking was discussed. This provided a new way for the slim hole drilling.
小井眼侧钻水平井技术经过不断的完善已基本成熟，但在大港油区内应用属首次。
Developed step by step, the technology of sidetrack drilling horizontal well in slim-hole is relatively mature, whole it's fist time to apply it in Dagang oilfield.
因此，可以通过钻较大直径的井眼或控制井以小产量生产来减小井筒压降损失的影响。
Therefore, we can reduce the effect of frictional loss in the wellbore by drilling well with larger diameter or producing with small production rate.
高钻柱扭矩和套管过度磨损是小井眼钻井中存在的严重问题。
Heavy torque and abrasion on casing are serious problems in drilling in slim hole.
实践证明，小井眼直井钻具性能评估准则和钻柱动强度条件是正确的，有效地满足了钻井工程需要。
Practical applications show that the standard and dynamic strength conditions are correct and meet the field requirements effectively.
小井眼扩孔钻头是老井重钻的关键设备。
The reaming drill bit in slim hole is a key tools of re-drilling in existing well.
小井眼扩孔钻头是老井重钻的关键设备。
The reaming drill bit in slim hole is a key tools of re-drilling in existing well.
应用推荐