The pulg has characteristics of removable, setting precision, preventing block and preventing adhesion,and can build multiform plugging pipe, which can solve the problem above and reduce the venture of ash squeezing and plugging,thus saving the work time.
该桥塞具有可取、坐封准确、防卡、防粘等特点,并形成了多种井下封堵管柱,能够解决挤水泥封堵过程中出现的上述问题,并且降低了挤水泥封堵风险,缩短了施工周期。
The success or failure of well testing operation is determined by setting situation of the slip-type packer or not.
卡瓦封隔器能否坐封直接决定测试施工的成败。
The laws between axial set-down loads and maximum contact sealing pressure,and axial compressed displacement were studied.
研究了轴向坐封载荷与胶筒的峰值接触压力和轴向压缩量之间的变化规律。
By analyzing for risk and feasibility of open hole well testing, actual experiences and lessons applied in Shengli oilfield have been summarized systemically and study on mud, setting site, down hole, string structure and work system has been done, a general way and technical point has been suggested which helps to push forward this tech and increases economic benefit.
通过对中途裸眼测试风险和可行性分析,系统总结胜利油田多年测试实践的经验教训,分别对泥浆、坐封位置、井底、管柱结构及测试工作制度等方面进行分析研究,提出中途裸眼测试的一般方法和技术要点,有助于推进该工艺进步,提高经济效益。
By field test,practicality data of setting height of Y211-115 packer corresponding to its setting weight has been summarized which makes its successful ratio is 100% and provides a good guarantee for incr.
经现场实验,总结出Y211-115封隔器坐封高度与坐封载荷对应的实用数据,使之坐封成功率达到100%,为“三低”油田增储上产提供了有利保证。
To solve the problem of setting of hydraulic packers in horizontal holes,a ball-and-seat and a setting ball plug is designed for two setting technologies respectively.
针对水平井液压封隔器不能实现坐封 ,采用盲孔球座不但不能洗井 ,还会在打压过程于油管内形成气塞 ,影响坐封效果 ;采用盲孔球座和分流开关组合方式又存在水击和不能洗井的问题 ,提出了单流阀坐封球座和坐封球塞 2种水平井液压封隔器坐封工艺 ,并研究设计了单流阀球座和坐封球塞。