CAJ | 학술논문

可膨胀波纹管技术是通过对圆形管材进行特殊工艺处理，使管径发生变形以便其顺利通过井孔到达问题地层，然后通过液压膨胀复原，达到修井固井的目的。经过多年的技术发展，此技术已在石油工程中得到很多实践应用，但是在口径相对较小的地质勘探孔中，由于受口径以及工艺技术等限制，尚未有相关应用。主要针对材料编号为KP02的饱75 mm小口径梅花状可膨胀波纹管进行研究，通过利用ANSYS有限元软件进行模拟以及实验室实验，得到其膨胀变形参数并对其膨胀过程进行对比分析。
가팽창파문관기술시통과대원형관재진행특수공예처리，사관경발생변형이편기순리통과정공도체문제지층，연후통과액압팽창복원，체도수정고정적목적。경과다년적기술발전，차기술이재석유공정중득도흔다실천응용，단시재구경상대교소적지질감탐공중，유우수구경이급공예기술등한제，상미유상관응용。주요침대재료편호위KP02적포75 mm소구경매화상가팽창파문관진행연구，통과이용ANSYS유한원연건진행모의이급실험실실험，득도기팽창변형삼수병대기팽창과정진행대비분석。
Expandable convoluted tube technology is based on a special process on round tubing to make the tubing de-formed so as to it can smoothly reach the trouble formation through the borehole; then by hydraulic expansion recovery, workover and cementing are realized.This technology has been used in petroleum engineering a lot after its many years’ development, but due to the confinement of the diameter and technology, it has not been applied in geological prospecting with smaller diameter.This paper presents the study that is mainly based on?75mm small diameter quincuncial shape ex-pandable convoluted tube being made of KP02 seamless steel tube, expansive transformation parameters are obtained by simulation with ANSYS finite element software and indoor experiments, and the contrast and analysis are made on the ex-panding process.