2H井施工难度大：水平井段长，管柱摩阻大，对施工管柱要求安全系数高；
The construction of P202-2H well is hard due to long horizontal hole section and large string friction. High safety coefficient for strings in construction is required.
利用数值模拟优选了布井方式、井网井距、水平井段长度、转sagd时机和注采参数。
A numerical simulation was conducted to optimize the well placement, well patterns and spacing, horizontal interval length, timing of switching to SAGD and operating parameters.
系统分析了水平井井眼尺寸、井眼轨迹、水平井水平段长度和偏心距对水平井产量造成的影响。
This paper studies systematically the effects of wellbore diameter, wellbore trace, horizontal section length and eccentricity on production of horizontal well.
水平井筒变质量流动规律的研究是水平井产能预测、水平井水平段长度优选以及水平井完井设计优化等的基础。
The research on variable mass flowing law in horizontal wellbore is the basis of the productivity prediction, horizontal length selection and completion design optimization of horizontal well.
根据所介绍的方法，在微机上研制和开发了水平井合理水平段长度的优化计算软件。
According to the method reported in this paper, a program for calculating the length of horizontal well in a water drive reservoir is developed.
射孔井段长，射孔枪在水平井段震动大，可能发生卡钻事故。
The perforated interval is long and perforating gun is in much vibration at horizontal section, which may cause pipe sticking accident.
塔河油田水平井由于第二次开钻裸眼段长，技术套管采用双级固井技术。
The two-stage cementing technique was used for the protective casing of the horizonal well in Tahe oil field because of a long open-hole interval in secondary spudding.
塔河油田水平井由于第二次开钻裸眼段长，技术套管采用双级固井技术。
The two-stage cementing technique was used for the protective casing of the horizonal well in Tahe oil field because of a long open-hole interval in secondary spudding.
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