长江大学学报（自然科学版）2025，Vol.22Issue(6)：76-81,6.
基于结构优化的超深井新型封隔器研发与现场试验
Development and field testing of a new packer for ultra-deep wells based on structural optimization
申彪 1郑杜建 2张昌铎 1陈宇豪 2刘锐 1金磊 2李有翼2
作者信息
- 1. 中国石油塔里木油田分公司,新疆 库尔勒 841000
- 2. 中国石化石油工程技术研究院德州大陆架石油工程技术有限公司,山东 德州 253058
- 折叠
摘要
Abstract
The Tarim Basin's platform area features complex geological conditions characterized by extensively developed pores and fractures,which frequently lead to fluid loss during drilling operations.The current managed pressure liner cementing technology has encountered challenges in field applications,such as the failure to establish effective sealing after packer setting.To address these issues,a redesigned packer unit has been developed with optimized critical parameters,including temperature resistance and pressure-bearing capacity,to adapt to extreme ultra-deep well conditions.Additionally,an anti-extrusion protection system has been incorporated to enhance the packer's stability and sealing reliabilityunder complex operational scenarios.Laboratory tests demonstrate significant performance improvements for the new packers.The temperature resistance and sealing capabilities of the new packers with diameters of ⌀273 mm,⌀245 mm,and⌀197 mm are 204℃×66.3 MPa,240℃×72 MPa,and 180℃×57 MPa,respectively.Field erosion tests further validated their adaptability.For the ⌀273 mm packer,under 98℃×86 MPa conditions,it sustained a cumulative circulation rate of 2.3 m3/min for 4.67 hours.The sealing effect of the packer is good.This equipment meets the exploration and development needs of the basin area and can be extended to other areas where leakage and overflow coexist for tail control and pressure control cementing operations.关键词
塔里木盆地/超深井/尾管固井/顶封尾管悬挂器Key words
Tarim Basin/ultra-deep wells/liner cementing/top-sealed liner hanger分类
能源科技引用本文复制引用
申彪,郑杜建,张昌铎,陈宇豪,刘锐,金磊,李有翼..基于结构优化的超深井新型封隔器研发与现场试验[J].长江大学学报（自然科学版）,2025,22(6):76-81,6.
