[1]韩雪银１ 付建民 　刘玉杰 　尚　磊 　王吉龙 　方国伟.LD27-2 油田稠油热采井固井技术难点与对策[J].石油钻采工艺,2015,37(6):031-35.[doi:10.13639/j.odpt.2015.06.008]
　HAN Xueyin,FU Jianmin,LIU Yujie,et al.Difficulties in cementing technology for heavy oil thermal recovery wells LD27-2 Oilfield and relevant solutions[J].Oil Drilling & Production Technology,2015,37(6):031-35.[doi:10.13639/j.odpt.2015.06.008]
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LD27-2 油田稠油热采井固井技术难点与对策
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《石油钻采工艺》[ISSN:1000-7393/CN:13-1072/TE]

卷:
37卷
期数:
2015年6期
页码:
031-35
栏目:
钻井完井
出版日期:
2015-11-20

文章信息/Info

Title:
Difficulties in cementing technology for heavy oil thermal recovery wells LD27-2
Oilfield and relevant solutions
文章编号:
1000 – 7393（ 2015 ） 06 – 0031 – 05
作者:
韩雪银１ 付建民2 　刘玉杰3 　尚　磊3 　王吉龙1 　方国伟3
（1. 中海油能源发展工程技术分公司，天津　300452；2. 中海油（中国）天津分公司工程技术作业中心，天津　300452；
3. 中海油服油田化学事业部固井业务部（塘沽），天津　300452）
Author(s):
HAN Xueyin1;  FU Jianmin2;  LIU Yujie3;  SHANG Lei3;  WANG Jilong1;  FANG Guowei3
（1. Engineering Technology Branch, CNOOC Enrygy Techndogy Services Limited, Tianjin 300452, China;
2. Engineering and Technology Operation Centre, Tianjin Branch of CNOOC (China), Tianjin 300452, China;
3. Cementing Business Department (Tanggu), COSL Oilfield Chemical Division, Tianjin 300452, China）
关键词:
固井; 稠油井; 热采井; 水泥浆; 拖轮固井; 预应力
Keywords:
cementing;  heavy oil well;  thermal recovery well;  cement slurry;  cementing with tugboat;  pre-stress
分类号:
TE 256
DOI:
10.13639/j.odpt.2015.06.008
文献标志码:
A
摘要:
以LD27-2 油田作为渤海代表性的整装稠油油田，按固井主要涉及的固井化验、固井工程以及固井设备这3 个板块， 对稠油固井作业中遇到的难点进行了分析。优选出满足350 ℃稠油开采的水泥浆体系，并结合体系及地层压力特点采取了领尾浆双浆柱结构和使用封隔器等的工程技术措施，针对海洋平台空间受限，灰罐罐容不足的问题，采取了拖轮固井的办法。试验井固井后声波幅度测井（CBL）数据显示，水泥全井段封固，封固质量完全满足要求。该井自开泵一年以来生产状况良好，最高分配日产油74 m3。由此，形成了新的稠油热采井固井技术体系，指导今后海洋稠油油田固井作业。
Abstract:
The LD 27-2 Oilfield is taken as a representative mono-block heavy oil field in Bohai region. Analysis was conducted to the difficulties in cementing job in heavy oil wells in terms of cementing test, cementing engineering and cementing equipment. A cement slurry system is chosen which can be used in heavy oil production under 350 °C. Engineering techniques such as double-slurry column structure of lead slurry and tail slurry and the use of packers were adopted in combination with the formation pressure characteristics and the cement slurry system. In view of limited space and insufficient cement tank capacity on offshore drilling platforms, tugboat was used in cementing. After cementing job was finished in the test well, the CBL data shows that the entire hole was filled with cement and cementing quality was fully acceptable. This well has been producing favorably for one year since pumping started and its maximum daily oil production was 74 m3. Hence, a new cementing system has been developed for heavy oil thermal production wells, which can provide guidance for cementing jobs in offshore heavy oil fields.

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更新日期/Last Update: 2016-01-06