库车坳陷秋里塔格构造带的战略突破与前景展望

doi:10.3969/j.issn.1672-7703.2019.01.003

中国石油勘探 ›› 2019, Vol. 24 ›› Issue (1): 16-23.DOI: 10.3969/j.issn.1672-7703.2019.01.003

库车坳陷秋里塔格构造带的战略突破与前景展望

杜金虎¹, 田军², 李国欣¹, 杨海军², 张义杰³, 李勇², 徐振平², 罗浩渝²

1 中国石油勘探与生产分公司;
2 中国石油塔里木油田公司;
3 中国石油勘探开发研究院

收稿日期:2018-12-17 修回日期:2018-12-19 出版日期:2019-01-15 发布日期:2019-01-02
基金资助:
国家科技重大专项“塔里木前陆盆地油气成藏、关键技术与新领域目标优选”（2016ZX05003004），“库车坳陷深层-超深层天然气田开发示范工程”（2016ZX05051）。

Strategic breakthrough and prospect of Qiulitag structural belt in Kuqa depression

Du Jinhu¹, Tian Jun², Li Guoxin¹, Yang Haijun², Zhang Yijie³, Li Yong², Xu Zhenping², Luo Haoyu²

1 PetroChina Exploration and Production Company;
2 PetroChina Tarim Oilfield Company;
3 PetroChina Research Institute of Petroleum Exploration & Development

Received:2018-12-17 Revised:2018-12-19 Online:2019-01-15 Published:2019-01-02
Supported by:

摘要/Abstract

摘要： 秋里塔格构造带是塔里木盆地库车坳陷重要的油气勘探区带之一，勘探前期在东西两侧发现了迪那2大型凝析气田和却勒1油藏、东秋8浅层气藏，之后16年持续勘探始终未获油气发现。秋里塔格构造带地表刀片山体沟壑纵横，地下复合盐岩层变形强烈，二维地震资料品质差，难以准确落实构造。围绕"落实圈闭"这一主要勘探技术瓶颈，强化区域地质综合研究，理清构造分段特征，聚焦秋里塔格构造带中秋段勘探领域；强化二维宽线采集处理攻关，批量发现圈闭显示，锁定突破口；科学决策、超前部署东秋8山地三维，精准落实盐下中秋1构造圈闭，部署上钻中秋1风险探井，在白垩系巴什基奇克组获得高产工业油气流，实现了战略突破，展示了秋里塔格构造带广阔的油气勘探前景。

关键词: 塔里木盆地, 库车坳陷, 秋里塔格构造带, 战略突破, 前景展望

Abstract: In the Qiulitag structural belt, one of the important oil and gas exploration zones in Kuqa depression of the Tarim Basin, early exploration discovered the large Dina 2 condensate gas field, the Chaule 1 reservoir and the Dongqiu 8 shallow reservoir on the east and west sides. Since then, no gas reservoir has been found for 16 years. In the Qiulitag structural belt, the surface condition is difficult with blade-like ridges here and there, and the underground composite salt layer is strongly deformed. Resulting in poor 2D seismic data, it's difficult to accurately identify the structure. In this study, by focusing on the task to break through exploration technology bottleneck in "identifying traps", and strengthening the regional geological research, structural segments were described, especially the Zhongqiu segment of the Qiulitag structural belt; by improving 2D wide-line seismic acquisition and processing, traps were found in batches, and the breakthrough was located; by scientific decision-making, and advanced deployment of Dongqiu 8 mountain 3D seismic survey, the subsalt Zhongqiu 1 structural trap was identified and an exploration well, Zhongqiu 1, was drilled. High-yield industrial oil/gas flow was obtained from the Cretaceous Bashijiqik Formation, proving a strategic breakthrough and indicating a bright future in oil and gas exploration in the Qiulitag structural belt.

Key words: Tarim Basin, Kuqa depression, Qiulitag structural belt, strategic breakthrough, prospect

中图分类号:

杜金虎, 田军, 李国欣, 杨海军, 张义杰, 李勇, 徐振平, 罗浩渝. 库车坳陷秋里塔格构造带的战略突破与前景展望[J]. 中国石油勘探, 2019, 24(1): 16-23.

Du Jinhu, Tian Jun, Li Guoxin, Yang Haijun, Zhang Yijie, Li Yong, Xu Zhenping, Luo Haoyu. Strategic breakthrough and prospect of Qiulitag structural belt in Kuqa depression[J]. China Petroleum Exploration, 2019, 24(1): 16-23.

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库车坳陷秋里塔格构造带的战略突破与前景展望

Strategic breakthrough and prospect of Qiulitag structural belt in Kuqa depression

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