| 1. | Study on promoting the manufacture quality of screwed joint of oil pipe
提高油管接箍螺纹加工质量的研究 |
| 2. | Application of surface granosealing technology on oil pipe coupling
表面磷化处理技术在油管接箍上的应用 |
| 3. | Hydraulic cylinder mechanical lock of casing and coupling production line
套管接箍生产设备中液压缸的机械锁定 |
| 4. | Petroleum and natural gas industries - corrosion - resistant alloy seamless tubes for use as casing , tubing and coupling stock - technical delivery conditions
石油和天然气工业.用作套管油管和接箍的防腐合金无缝钢管.交货技术条件 |
| 5. | We are setting up a mill for production of tubing and casing couplings . we would like to serve as your oem mill for this products . welcome to cooperate with us
我公司新上接箍项目，主要生产石油套管接箍和油管接箍。欢迎国内外各石油管材生产商前来洽谈合作。 |
| 6. | The time difference curve may confirm the fast formation ; judge the tool ' s centrality ; verify the bonding quality combining with cbl / vdl curves , and also determine the casing collar position , etc
时差曲线则可以根据时差的大小验证快速地层；由曲线的变化幅度判断仪器在井中的居中程度；结合首波的幅度曲线波列的变密度曲线验证胶结状况是否良好；利用时差曲线的变化确定套管接箍位置等。 |
| 7. | The multi - fishing collar is one kind of combinatorial tool for fishing of various sizes of sucker rod coupling , bar and well logging instrument in the interior of the casin tube . it is easy to operate , conveience and muilti - purpose , high efficiency sucker rod fishing tool
多用打捞筒是一种在套管内打捞各种尺寸的抽油杆、接箍及加重杆和测井仪的组合式打捞工具，该工具结构简单操作维修方便，是一种用途多、高效率的打捞抽油相工具。 |
| 8. | [ english ] the multi - fishing collar is one kind of combinatorial tool for fishing of various sizes of sucker rod coupling , bar and well logging instrument in the interior of the casin tube . it is easy to operate , conveience and muilti - purpose , high efficiency sucker rod fishing tool
多用打捞筒是一种在套管内打捞各种尺寸的抽油杆、接箍及加重杆和测井仪的组合式打捞工具，该工具结构简单操作维修方便，是一种用途多、高效率的打捞抽油相工具。 |
| 9. | In recent three years , aiming at the main failure causes of tubing , jianghan oil production plant has adopted the methods such as increasing the number of mending the tubing connector , replacing the tubing collar , and introducing the technology of defect detection of tubing , etc . to improve the quality of tubing greatly
近3年来，江汉采油厂针对油管失效的主要原因，采用加大油管修螺纹和换新接箍量、引进油管探伤技术等方法，使油管质量得到了很大提高。 |
