CAJ | 학술논문

为适应元坝地区高温高、高压、高含硫等，以及高固相井况条件，解决环空气窜问题，研发了新型封隔式尾管悬挂器。封隔器单元采用单胶筒结构，保证了工具的安全可靠性。防退卡瓦结合内部防退卡簧结构设计，有效减小了胶筒胀封后的回弹间隙，保证了封隔器的封隔能力。现场4口井的应用效果分析表明，该工具使用安全性及使用效果，总体上达到了设计要求，初步解决了元坝气田环空气窜难题。
위괄응원패지구고온고、고압、고함류등，이급고고상정황조건，해결배공기찬문제，연발료신형봉격식미관현괘기。봉격기단원채용단효통결구，보증료공구적안전가고성。방퇴잡와결합내부방퇴잡황결구설계，유효감소료효통창봉후적회탄간극，보증료봉격기적봉격능력。현장4구정적응용효과분석표명，해공구사용안전성급사용효과，총체상체도료설계요구，초보해결료원패기전배공기찬난제。
In order to adapt to high temperature, high pressure, high sulfur content and high solid wellbore conditions in Yuanba region, a new isolated liner hanger was developed to solve the gas channeling problem of hollow ring. The packer unit uses single-barrel structure, which ensures safety and reliability of the tool. The retrieve-proof slip is designed along with the internal retrieve-proof spring structure, which effectively reduces the rebound clearance after expansion of the barrel and ensures the isolation capacity of the packer. Application of the tool in four wells shows that this tool satisifes the design requirement in terms of safety and effectiveness and solves the problem of gas channeling in annulus in Yuanba Gas Field.