Chemical Tracing Technique in Monitoring of Dynamic Production Profile of a Horizontal Well in Tight Oil Reservoirs and Its Application

doi:10.3969/J. ISSN.1006-768X.2021.04.18

Drilling & Production Technology ›› 2021, Vol. 44 ›› Issue (4): 77-80.DOI: 10.3969/J. ISSN.1006-768X.2021.04.18

• PRODUCTION TECHNOLOGY • Previous Articles Next Articles

Chemical Tracing Technique in Monitoring of Dynamic Production Profile of a Horizontal Well in Tight Oil Reservoirs and Its Application

AO Ke¹ , XIN Huazhi², LU Feng³, BAI Hua¹, ZHONG Pingping¹, MA Jun²

1 . Gepetto Petroleum Technology Group CO. , LTD. , Chengdu, Sichuan 610011, China; 2. Baikouquan Oil Production Plant, PetroChina Xinjiang Oilfield Company, Karamay, Xinjiang 834000, China;3. CCDC Testing CO. , Chengdu, Sichuan 610000, China

Online:2021-07-25 Published:2021-07-25

致密油藏水平井动态产能剖面化学示踪监测方法及应用

敖科¹, 辛骅志², 陆峰³, 白华¹, 钟萍萍¹, 马俊²

1 捷贝通石油技术集团股份有限公司 2 中国石油新疆油田百口泉采油厂 3 中国石油川庆钻探工程有限公司试修公司

作者简介:敖科 (1979-) , 高级工程师, 硕士, 毕业于西南石油大学油气开发工程专业, 现从事监测测试研究工作。地址: (610011 ) 四川省成都市锦江区一环路东五段 46 号天紫界商业大厦, 电话:028-83527170, E-mail: aoke@ gepetto - oil. com

Abstract

Abstract:

In recent years, the tight oil reservoirs in the Junggar Basin have been developed with massive hydraulic fractured long horizontal wells. There is no enough data support for evaluating the production performance of each section of the reservoir along the long fractured horizontal well and for analyzing the adaptability of stimulation parameters of each fracturing stage to all types of reservoirs due to lack of long-term effective means to monitor the flowback and oil production profiles, and dynamic changes of water cut of the fractured wells. In this paper, a novel technique (SECTT) of tracing by chemical tracers is applied to continuously monitor the production profile of a multistage fractured horizontal well in the tight oil reservoir in the Junggar Basin. And the production performance of each section of the well in a period of 250 days is successfully obtained. The application results show that the technique is practical, safe, simple and reliable, providing a direction and guidelines for further optimizing the deployment of horizontal wells and fracturing stimulation parameters and for maximizing the exploitation of reserves.

Key words: tight oil reservoirs, horizontal wells, tracing and monitoring by chemical tracers, flowback profile, oil production profile

摘要： 近年来，准噶尔盆地致密油藏采用长水平段、大规模压裂水平井投入开发，压后各段退液剖面、产油剖面以及含水的动态变化情况缺乏长期有效的监测手段，对于分析评价长水平井各压裂段储层的动用状况以及压裂分段施工参数对于各类储层适应性缺少有力的数据支撑。文章应用一种新型痕量化学示踪方法（ＳＥＣＴＴ）对准噶尔盆地致密油水平井的产能剖面进行持续示踪监测，成功获取了２５０ｄ各压裂段的产能剖面，应用结果表明，该方法实用、安全、简单、可靠，为进一步指导优化水平井部署以及压裂施工参数、最大限度提高储量动用程度提供了方向。

关键词: 致密油藏, 水平井, 化学示踪监测, 返排剖面, 产油剖面

AO Ke, XIN Huazhi, LU Feng, BAI Hua, ZHONG Pingping, MA Jun . Chemical Tracing Technique in Monitoring of Dynamic Production Profile of a Horizontal Well in Tight Oil Reservoirs and Its Application[J]. Drilling & Production Technology, 2021, 44(4): 77-80.

敖科, 辛骅志, 陆峰, 白华, 钟萍萍, 马俊. 致密油藏水平井动态产能剖面化学示踪监测方法及应用[J]. 钻采工艺, 2021, 44(4): 77-80.

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Chemical Tracing Technique in Monitoring of Dynamic Production Profile of a Horizontal Well in Tight Oil Reservoirs and Its Application

致密油藏水平井动态产能剖面化学示踪监测方法及应用

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