莺歌海盆地东方13-1气田高温高压尾管固井技术

吴江; 朱新华; 李炎军; 杨仲涵

doi:10.11911/syztjs.201604004

莺歌海盆地东方13-1气田高温高压尾管固井技术

1.
中海石油(中国)有限公司湛江分公司, 广东湛江 524057;
2.
中海油能源发展股份有限公司工程技术分公司, 广东湛江 524057

基金项目:

中海石油（中国）有限公司综合科研项目“海上油田钻完井关键技术及装备研制”（编号：CNOOC-KJ 125 ZDXM 12 LTD）部分内容。

详细信息

作者简介:
吴江(1983-),男,河南郑州人,2007年毕业于长江大学应用化学专业,2010年获中国石油大学(北京)油气井工程专业硕士学位,工程师,主要从事海洋钻井工艺研究工作。E-mailwujiang2@cnooc.com.cn。

中图分类号: TE256⁺.4
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出版历程
- 收稿日期: 2015-10-10
- 修回日期: 2016-04-27
- 刊出日期: 1899-12-31

HTHP Liner Cementing Techniques in the Dongfang 13-1 Gas Field in the Yinggehai Basin

1.
Zhanjiang Branch of CNOOC Ltd., Zhanjiang, Guangdong, 524057, China;
2.
CNOOC EnerTech-Drilling & Porduction Co., Zhanjiang, Guangdong, 524057, China

摘要

摘要: 为解决莺歌海盆地东方13-1气田小井眼尾管固井时存在的气窜和CO2腐蚀问题，研发了高密度高效清洗液和新型抗高温高密度水泥浆，并采用旋转尾管固井工艺，形成了高温高压气井尾管固井技术。抗高温高密度水泥浆配方中引入了胶乳颗粒、非渗透剂、超细填充颗粒及膨胀剂，有效改善了水泥浆的非渗透性和抗CO2腐蚀性，并采用颗粒级配技术提高了其稳定性。室内试验表明，密度2.20 g/cm3的水泥浆可抗160℃高温，24 h抗压强度为15.1 MPa，防气窜系数为0.59。该固井技术在南海东方13-1气田6口开发井固井中进行了现场应用，水泥胶结测井结果表明，高压气层及重叠段固井质量优良率100%，生产期间气井井口无异常带压情况，应用效果良好。研究与应用表明，高温高压气井尾管固井技术能够满足莺歌海盆地东方13-1气田高温高压开发井尾管固井的需求。
- 高温高压 /
- 尾管固井 /
- 固井质量 /
- 气窜 /
- 井漏 /
- 东方13-1气田 /
- 莺歌海盆地
Abstract: Technical challenges related to gas channeling and CO2 corrosion were encountered in liner cementing operations in slime holes in the Dongfang 13-1 Gas Field of the Yinggehai Basin. To eliminate these problems, high density and high efficiency flushing fluids and innovative temperature-resistance high density cement slurry systems were developed to cope with rotating liner cementing techniques for liner cementing in HTHP wells. With the deployment of latex particles, non-penetrating agents, ultra-fine filling particles and expansion agents in the temperature-resistant high density cement, impermeability and resistance to CO2 of cement slurry could be enhanced significantly. In addition, proper grading of particles would dramatically enhance the stability of the cement slurry system. Experimental results showed that the cement slurry with a density of 2.20 g/cm3 could endure high temperatures up to 160℃ with a compressive strength of 15.1 MPa in 24 hours and anti-gas channeling factor of 0.59. The newly developed cementing techniques have been applied in 6 wells in the Dongfang 13-1 Gas Field in the South China Sea. Logging data showed cementing operations in high-pressure gas formations and in overlapping intervals were fully qualified with no abnormal pressures observed at the wellhead during production. Research results and application performances demonstrated that the newly developed liner cementing techniques for HTHP gas wells could meet operational requirements in the Dongfang 13-1 Gas Field.
- high temperature high pressure /
- liner cementing /
- cementing quality /
- gas channeling /
- well leak /
- Dongfang 13-1 Gas Field /
- Yinggehai Basin

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参考文献(16)

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莺歌海盆地东方13-1气田高温高压尾管固井技术

作者简介: 吴江(1983-),男,河南郑州人,2007年毕业于长江大学应用化学专业,2010年获中国石油大学(北京)油气井工程专业硕士学位,工程师,主要从事海洋钻井工艺研究工作。E-mailwujiang2@cnooc.com.cn。

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HTHP Liner Cementing Techniques in the Dongfang 13-1 Gas Field in the Yinggehai Basin

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目录

作者简介:
吴江(1983-),男,河南郑州人,2007年毕业于长江大学应用化学专业,2010年获中国石油大学(北京)油气井工程专业硕士学位,工程师,主要从事海洋钻井工艺研究工作。E-mailwujiang2@cnooc.com.cn。