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高压油气井尾管回接固井新技术

Kaihua Ma,Lanrong Ma,Wujun Chen

OIL DRILLING & PRODUCTION TECHNOLOGY（2005）

Cited 5|Views2
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Abstract
针对高压油气井固井后经常会出现环空窜流问题,研制了新型尾管封隔回接装置,该回接装置主要包括铣鞋、回接插头、节流浮箍,可磨铣回接筒上端和内表面的水泥残留物;封堵回接尾管与上层套管间的间隙;防止下套管时井口冒浆,并确保回接插头下插时液体有足够的压缩空间.现场应用表明,该回接工艺操作方便,回接装置密封可靠、耐高温.在四川、胜利、渤海等地应用效果较好.
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