应对成熟油田可持续开发的地质导向革新策略

doi:10.11885/j.issn.1674-5086.2015.08.30.01

西南石油大学学报(自然科学版) ›› 2017, Vol. 39 ›› Issue (2): 62-70.DOI: 10.11885/j.issn.1674-5086.2015.08.30.01

应对成熟油田可持续开发的地质导向革新策略

陶彬¹, 李林¹, 常波涛², 王超², 贺敬博²

1. 中海石油(中国)有限公司番禺作业公司, 广东深圳 518054;
2. 斯伦贝谢中国海洋服务公司, 广东深圳 518067

收稿日期:2015-08-30 出版日期:2017-04-01 发布日期:2017-04-01
作者简介:陶彬,1973年生,女,汉族,四川绵阳人,工程师,主要从事油气田开发生产工作。E-mail:taobin@cnooc.com.cn;李林,1970年生,男,汉族,山东高密人,工程师,主要从事油田的开发生产工作。E-mail:lilin5@cnooc.com.cn;常波涛,1979年生,男,汉族,河南济源人,工程师,博士,主要从事随钻地质导向和油田开发方面的研究工作。E-mail:cookgulf@msn.com;王超,1982年生,男,汉族,山东日照人,工程师,主要从事水平井地质导向方面的研究工作。E-mail:cwang21@slb.com;贺敬博,1987年生,男,汉族,河北秦皇岛人,工程师,硕士,主要从事岩石学和石油地质导向方面的研究工作。E-mail:pkuhejingbo@gmail.com
基金资助:
中海石油（中国）有限公司科研课题（YXKY2013SZ01）

Innovative Geosteering Strategies for the Sustainable Development of Mature Oilfields

TAO Bin¹, LI Lin¹, CHANG Botao², WANG Chao², HE Jingbo²

1. Panyu Operating Company of CNOOC China Ltd., Shenzhen, Guangdong 518054, China;
2. Schlumberger China Offshore Services S. A., Shenzhen, Guangdong 518067, China

Received:2015-08-30 Online:2017-04-01 Published:2017-04-01
Contact: 常波涛,E-mail:cookgulf@msn.com

摘要/Abstract

摘要： 基于南海东部番禺油田水平井地质导向工作的整体目标，针对地下构造、地层和流体特征的不确定性，提出了基于革新性边界探测技术和井眼成像技术的地质导向策略，可高效控制轨迹平稳着陆，并在储层内精确调整水平轨迹尽量贴顶钻进（距顶0~1 m）。不同类型油藏中的成功应用实例表明，该地质导向革新策略可提高钻井效率、节省预算，而且对于产能优化的贡献明显，油井日产量2 000~6 000桶，含水极低，油田累计产量超过预期17%。通过规避“阁楼”油和延缓油井见水时间，有效优化了油田采收率。此外，钻后地质油藏模型的更新可为后续井位部署和开发策略的优化提供有效指导。

关键词: 成熟油田, 地质导向策略, 可持续开发, 边界探测, 采收率

Abstract: Based on the overall goals of geosteering in horizontal wells, we have proposed an innovative strategy for geosteering based on boundary detection and borehole imaging techniques, to resolve uncertainties in subsurface structure, and stratum and fluid characteristics. This strategy allows highly-effective control of the bore to produce smooth bore trajectories, and accurate steering of the bore within a stratum to allow horizontally-drilled bore trajectories to proceed as closely as possible to the ceiling of a reservoir (within 0-1 m of the ceiling). Successful implementations of this strategy in various types of oil reservoirs have shown that this innovative geosteering strategy can improve well-drilling effectiveness, decrease costs, and contribute significantly towards the production optimization; with this strategy, 2000-6000 barrels were produced a day from an oil well, with extremely low levels of water content, and the cumulative production of the oil field has exceeded initial estimates by 17%. Hence, we have effectively optimized the recovery rate of oil fields by avoiding "attic" oil and postponing the use of waterflooding in a well. Furthermore, the updating of post-drilling geological oil reserve models may provide an effective form of guidance for the optimization of well deployment and development strategies in the future.

Key words: mature oil fields, geosteering strategies, sustainable development, boundary detection, recovery rate

中图分类号:

TE122

陶彬, 李林, 常波涛, 王超, 贺敬博. 应对成熟油田可持续开发的地质导向革新策略[J]. 西南石油大学学报(自然科学版), 2017, 39(2): 62-70.

TAO Bin, LI Lin, CHANG Botao, WANG Chao, HE Jingbo. Innovative Geosteering Strategies for the Sustainable Development of Mature Oilfields[J]. 西南石油大学学报(自然科学版), 2017, 39(2): 62-70.

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应对成熟油田可持续开发的地质导向革新策略

Innovative Geosteering Strategies for the Sustainable Development of Mature Oilfields

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