渤海湾盆地廊固凹陷杨税务超深超高温奥陶系潜山油气勘探重大突破实践与启示

doi:10.3969/j.issn.1672-7703.2017.02.001

中国石油勘探 ›› 2017, Vol. 22 ›› Issue (2): 1-12.DOI: 10.3969/j.issn.1672-7703.2017.02.001

• 勘探战略 • 下一篇

渤海湾盆地廊固凹陷杨税务超深超高温奥陶系潜山油气勘探重大突破实践与启示

杜金虎¹, 何海清¹, 赵贤正², 张以明³, 王权³, 张锐锋³, 侯凤香³, 韩春元³, 范炳达³

1. 中国石油勘探与生产分公司;
2. 中国石油大港油田公司;
3. 中国石油华北油田公司

收稿日期:2017-01-06 修回日期:2017-02-14 出版日期:2017-03-10 发布日期:2017-03-10
作者简介:杜金虎(1959-),男,陕西省合阳人,1983 年毕业于成都地质学院,教授级高级工程师,李四光地质科学奖获得者,主要从事石油地质勘探方面的研究和管理工作。地址:北京市东直门北大街 9 号中国石油勘探与生产分公司,邮政编码:100007。E-mail:dujinhu@petrochina.com.cn
基金资助:
中国石油天然气股份有限公司重大科技专项“华北油田上产稳产 800 万吨关键技术研究与应用”（2014E-35）。

Signifcant exploration breakthrough in Yangshuiwu ultra-deep and ultra-high temperature Ordovician buried-hill in Langgu sag, Bohai Bay Basin

Du Jinhu¹, He Haiqing¹, Zhao Xianzheng², Zhang Yiming³, Wang Quan³, Zhang Ruifeng³, Hou Fengxiang³, Han Chunyuan³, Fan Bingda³

1. PetroChina Exploration & Production Company;
2. PetroChina Dagang Oilfeld Company;
3. PetroChina Huabei Oilfeld Company

Received:2017-01-06 Revised:2017-02-14 Online:2017-03-10 Published:2017-03-10
Contact: 10.3969/j.issn.1672-7703.2017.02.001

摘要/Abstract

摘要： 河西务潜山带是冀中坳陷北部廊固凹陷主要油气聚集带，勘探早期仅在区带南部发现了别古庄、刘其营和刘其营西3个小型奥陶系潜山油藏，之后持续勘探始终未取得新突破。对制约该区奥陶系非均质碳酸盐岩潜山油气成藏的构造、沉积储层特征，以及储层改造技术等关键问题，开展针对性深化研究。通过实施整体连片三维地震叠前深度偏移处理与精细构造解释，理清了区带构造格局，发现落实了由3个局部高点组成的杨税务潜山构造；开展奥陶系沉积相和储集体发育特征分析，认为研究区云坪和含云灰坪为有利沉积储集相带，岩石类型、裂缝发育程度和岩溶作用共同控制储层发育，云岩类是有利储集岩；通过油气供给条件、构造演化及其对油气成藏的控制作用、储盖组合分布等因素的综合分析，构建了河西务潜山带奥陶系碳酸盐岩非均质储层的块状-层状复合型潜山成藏新模式。以研究新认识为指导，在杨税务潜山西部高点部署钻探风险探井——安探1X井，在奥陶系获日产气40.89×10⁴m³、日产油71.16m³的高产油气流，实现了冀中坳陷北部超深超高温奥陶系潜山油气勘探的重大突破；同时，也展示了该领域广阔的勘探前景。

关键词: 廊固凹陷, 奥陶系, 杨税务潜山, 超深超高温潜山, 勘探突破

Abstract: The Hexiwu buried-hill zone is a major hydrocarbon accumulation in the Langgu sag in northern Jizhong depression, where no new breakthrough has been made since three small Ordovician buried-hill reservoirs (Bieguzhuang, Liuqiying, Liuqiying West) were discovered in the south during the early exploration stage. Pertinent and deep study was conducted on the structure and reservoir characteristics that constrains the hydrocarbon accumulation in the Ordovician heterogeneous carbonate buried-hill reservoir, as well as reservoir stimulation and other major techniques. Through the merged 3D seismic prestack depth migration (PSDM) processing and precise structure interpretation, the zonal structure framework was ascertained, and accordingly the Yangshuiwu buried-hill structure comprising three local highs was discovered. Analysis was made on the Ordovician sedimentary facies and reservoir characteristics, indicating that the dolomite flat and dolomitic lime flat are favorable sedimentary facies belts within the study area, and the reservoir development is jointly controlled by rock type, fracture distribution and karstifcation. The dolomite serves as major reservoir. Through the study of hydrocarbon supply conditions, tectonic evolution and its control on hydrocarbon accumulation, and reservoir-cap rock assemblage, a new model of massive-laminar complex buried-hill accumulation was established for the Ordovician carbonate heterogeneous reservoir within the Hexiwu buried-hill zone. Guided by the new study results, a risk exploration well, Antan 1X, was deployed at the structure high in the west of Yangshuiwu buried-hill. This well revealed a high yield of 40.89×10⁴m³ gas and 71.16 m³ oil per day in the Ordovician reservoir, marking a signifcant breakthrough in ultra-deep and ultra-high temperature Ordovician buried-hill exploration in the north of Jizhong depression. Moreover, the practice exhibits the promising exploration prospect in this domain.

Key words: ultra-deep and ultra-high temperature buried-hill, exploration breakthrough, Langgu sag, Ordovician, Yangshuiwu buried-hill

中图分类号:

TE122.1

杜金虎, 何海清, 赵贤正, 张以明, 王权, 张锐锋, 侯凤香, 韩春元, 范炳达. 渤海湾盆地廊固凹陷杨税务超深超高温奥陶系潜山油气勘探重大突破实践与启示[J]. 中国石油勘探, 2017, 22(2): 1-12.

Du Jinhu, He Haiqing, Zhao Xianzheng, Zhang Yiming, Wang Quan, Zhang Ruifeng, Hou Fengxiang, Han Chunyuan, Fan Bingda. Signifcant exploration breakthrough in Yangshuiwu ultra-deep and ultra-high temperature Ordovician buried-hill in Langgu sag, Bohai Bay Basin[J]. China Petroleum Exploration, 2017, 22(2): 1-12.

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渤海湾盆地廊固凹陷杨税务超深超高温奥陶系潜山油气勘探重大突破实践与启示

Signifcant exploration breakthrough in Yangshuiwu ultra-deep and ultra-high temperature Ordovician buried-hill in Langgu sag, Bohai Bay Basin

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