FENG Bo, GUO Yong, ZHAO Qixiang, SHI Aihua, CAO Haiyan, ZHANG Zhiping. Development and application of axial push-on hydraulic tubing anchor[J]. Oil Drilling & Production Technology, 2014, 36(6): 112-115. DOI: 10.13639/j.odpt.2014.06.028
Citation: FENG Bo, GUO Yong, ZHAO Qixiang, SHI Aihua, CAO Haiyan, ZHANG Zhiping. Development and application of axial push-on hydraulic tubing anchor[J]. Oil Drilling & Production Technology, 2014, 36(6): 112-115. DOI: 10.13639/j.odpt.2014.06.028

Development and application of axial push-on hydraulic tubing anchor

  • 油管锚定工具是带有封隔器的措施管柱密封可靠、安全施工的保证。针对现有油管锚定器易出现卡钻、无法通过套管变形段、不利于突发事故处理等问题,研制了轴向推进式水力油管锚定器。该轴向推进式水力油管锚定器改变了现有径向辐射状多活塞式锚爪结构的油管锚定器锚定机理,采用了环形轴向水力活塞推动锥体轴向位移来扩张卡瓦实现油管卡定的油管锚定原理,其锚定性能、耐压能力及安全性能得到了全面提高,同时扩大了适用范围。中原油田进行了8 井次的压裂、酸化试验, 均起到了对管柱的锚定作用,保证了整个施工过程封隔器密封可靠,成功率100%,可进一步推广应用。
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