|本期目录/Table of Contents|

[1]张俊斌 李 彬 金 颢 陈 宇 陆永伟 汪 蕾.深水水合物层固井低水化热水泥浆体系研究及应用[J].中国海上油气,2020,32(01):119-124.[doi:10.11935/j.issn.1673-1506.2020.01.014]
 ZHANG Junbin LI Bin JIN Hao CHEN Yu LU Yongwei WANG Lei.Study and application of a low hydration heat cement slurry system for the cementing of deepwater hydrate layer[J].China Offshore Oil and Gas,2020,32(01):119-124.[doi:10.11935/j.issn.1673-1506.2020.01.014]
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深水水合物层固井低水化热水泥浆体系研究及应用()

《中国海上油气》[ISSN:1673-1506/CN:11-5339/TE]

卷:
第32卷
期数:
2020年01期
页码:
119-124
栏目:
钻采工程
出版日期:
2020-01-15

文章信息/Info

Title:
Study and application of a low hydration heat cement slurry system for the cementing of deepwater hydrate layer
文章编号:
1673-1506(2020)01-0119-06
作者:
张俊斌1 李 彬1 金 颢1 陈 宇2 陆永伟3 汪 蕾2
(1. 中海石油深海开发有限公司 广东深圳 518067; 2. 中海油田服务股份有限公司油田化学研究院 河北三河 065201; 3. 中海油田服务股份有限公司深圳分公司 广东深圳 518067)
Author(s):
ZHANG Junbin1 LI Bin1 JIN Hao1 CHEN Yu2 LU Yongwei3 WANG Lei2
(1. CNOOC Deepwater Development Limited, Shenzhen, Guangdong 518067, China; 2. Oilfield Chemicals R & D Institute, COSL, Sanhe, Hebei 065201, China; 3. Oilfield Chemicals Shenzhen Branch, COSL, Shenzhen, Guangdong 518067,China)
关键词:
深水 水合物层 表层固井 低水化热 水泥浆体系
Keywords:
deepwater hydrate layer surface cementing low hydration heat cement slurry system
分类号:
TE256
DOI:
10.11935/j.issn.1673-1506.2020.01.014
文献标志码:
A
摘要:
深水表层水合物层固井常规水泥浆体系水化放热量大,导致水合物层吸热分解而影响固井质量,存在井喷风险。通过分析深水表层水合物层特点,基于水泥浆密度低、水化放热量低、低温强度发展满足封固地层与支撑套管需求及对作业时效影响小等要求,构建了深水水合物层固井低水化热水泥浆体系。性能评价结果表明,所构建的低水化热水泥浆体系具有低温条件下放热量低、抗压强度满足施工要求等优良特性,可避免水合物层发生分解。目前深水水合物层固井低水化热水泥浆体系已在南海某深水井固井作业中取得成功应用,未发生水合物分解引发的气窜问题,可满足深水天然气水合物层固井作业要求,具有较好的推广应用价值。
Abstract:
The conventional cement slurry system for deepwater surface hydrate layer cementing has the risk of blowout caused by the high heat release of hydration, which results in the endothermic decomposition of hydrate layer and affects the cementing quality. Through analyzing the characteristics of the surface hydrate layer in deep water, according to the fact that the low density, low hydration heat release and low temperature strength development of cement slurry can satisfy the requirements of formation sealing, casing supporting and little impact on the operation time efficiency, a low hydration hot slurry system for deepwater hydrate layer cementing has been prepared. The performance evaluation results show that the prepared low hydration hot slurry system has the advantages of low heat release at low temperature and suitable compressive strength for well construction, which can avoid the decomposition of hydrate layer. The low hydration hot slurry system has been successfully applied in the cementing job of a deepwater well in the South China Sea, and there is no gas channeling caused by hydrate decomposition. This slurry system can meet the requirements of deepwater hydrate layer cementing, and exhibits good application value.

参考文献/References:

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备注/Memo

备注/Memo:
*国家重点研发计划课题“海洋水合物试采目标精细评价及工程实施(编号:2016YFC0304007)”部分研究成果。 第一作者简介: 张俊斌,男,高级工程师,毕业于中国石油大学(北京)石油工程专业,主要从事深水油气田开发技术方面的研究。地址:广东省深圳市南山区后海滨路(深圳湾段)3168号中海油大厦A座(邮编:518067)。E-mail:zhangjb@cnooc.com.cn。收稿日期:2019-04-15 改回日期:2019-09-06
更新日期/Last Update: 2020-01-15