The tie-back assembly is a special cementing tool for tieback operation.
与回接筒配套用于回接尾管的一种专用固井工具。
To raise the success rate of opening and closing the two-stage cementing tool, Model dsg-a cementing tool is developed.
为提高现有双级注水泥器打开和关闭的成功率，研制了DSG—A型系列双级注水泥器。
This paper introduces a new cementing tool named circulating blind pipe, and it's mechanical structure, operation principle and successful applications while cementing a liner in a lost well.
详细介绍了一种新型固井用井下工具——可循环盲板的结构、工作原理及其在漏失井筛管固井中的成功应用。
It also points out the adaptive condition of this tool, and tells about the role in perforating, fracture-distinguishing and cementing quality of Wells.
对仪器信号的影响因素及其测井应用进行了分析，指出了仪器的适用条件，阐述了其在射孔和裂缝识别以及固井质量评价中的作用。
Application results in 30 wells of Shengli and Qinghai Oilfields show that the tool can be smoothly opened and reliably shut, meet the needs of cementing operations.
胜利及青海油田近30口井应用表明，该双级注水泥器打开顺利、关闭可靠，能满足固井施工要求。
The releasing gadget is an oil tool used for drilling cementing and production. Its structure and function are different from each other.
丢手机构是石油工程中常用的一种井下工具，其结构和特点各不相同。
The releasing gadget is an oil tool used for drilling cementing and production. Its structure and function are different from each other.
丢手机构是石油工程中常用的一种井下工具，其结构和特点各不相同。
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