B301试验区油井结蜡主控因素及对策

doi:10.3969/j.issn.1006-6535.2024.01.022

特种油气藏 ›› 2024, Vol. 31 ›› Issue (1): 169-174.DOI: 10.3969/j.issn.1006-6535.2024.01.022

• 钻采工程 • 上一篇

B301试验区油井结蜡主控因素及对策

张继红^1,2, 李琬姝², 谭欣剑², 张刚³, 朱正俊⁴

1.东北石油大学三亚海洋油气研究院,海南三亚 570203;
2.东北石油大学,黑龙江大庆 163318;
3.中国石油大庆油田有限责任公司呼伦贝尔分公司,黑龙江大庆 021008;
4.中国石油塔里木油田分公司,新疆库尔勒 841000

收稿日期:2023-02-28 修回日期:2023-12-21 出版日期:2024-02-25 发布日期:2024-04-18
作者简介:张继红(1969—),女,教授,1991年毕业于大庆石油学院采油工程专业,2006年毕业于中国石油大学(北京)油气田开发工程专业,获博士学位,现从事采油采气工程理论与技术等方向的研究工作。
基金资助:
海南省重点研发计划项目“深海天然气水合物藏原位生热置换体系研发及开采机理研究”(ZDYF2022GXJS013)

Main Control Factors and Countermeasures for Oil Well Waxing in B301 Test Area

Zhang Jihong^1,2, Li Wanshu², Tan Xinjian², Zhang Gang³, Zhu Zhengjun⁴

1. Sanya Institute of Offshore Oil and Gas Research, Northeast Petroleum University, Sanya, Hainan 570203, China;
2. Northeast Petroleum University,Daqing, Heilongjiang 163318, China;
3. Hulunbuir Company of PetroChina Daqing Oilfield Co.,Ltd.,Hulunbuir 021008,China;
4. PetroChina Tarim Oilfield Campany, Korla, Xinjiang 841000, China

Received:2023-02-28 Revised:2023-12-21 Online:2024-02-25 Published:2024-04-18

摘要/Abstract

摘要： B301试验区位于H盆地,该试验区目前油井结蜡现象严重,防蜡效果较差,防蜡措施有效期较短,无法满足油井防蜡的需要,亟需找到影响油井结蜡的主控因素。针对上述问题,通过室内实验对产出液中的蜡质、胶质、沥青质和机械杂质含量进行测定。利用Olga数值模拟软件对温度、压力、流速进行模拟。研究表明:蜡质、沥青质、机械杂质含量以及温度、流速为影响B301试验区油井井筒结蜡的主控因素,影响程度强弱依次为蜡质、温度、沥青质、机械杂质、流速。研究成果可为B301试验区进一步高效开发提供理论与技术基础,为高含蜡油藏防蜡方法提供参考。

关键词: 采油采气, 油井结蜡, 主控因素, B301试验区, H盆地

Abstract: The waxing is severe, the antiwaxing effect is poor, and the validity period is short in oil wells in B301 test area of H Basin. So, it is urgent to find out the main controlling factors affecting wax formation to meet the needs of antiwaxing in oil wells. To address the above problems, the wax, gum, asphaltene, and mechanical impurity contents in the produced fluid were measured by indoor experiments. Olga numerical simulation software was used to simulate the temperature, pressure, and flow rate. The study shows that wax, asphaltene, mechanical impurities, temperature, and flow rate are the main controlling factors affecting wellbore waxing in B301 test area, and the degree of influence is in the order of wax, temperature, asphaltene, mechanical impurities, and flow rate. The research results provide a theoretical and technical basis for further efficient development of B301 test area and a reference for anti-waxing methods in highly waxed oil reservoirs.

Key words: oil and gas recovery, oil well waxing, main controlling factors, B301 test area, H Basin

中图分类号:

TE358.2

张继红, 李琬姝, 谭欣剑, 张刚, 朱正俊. B301试验区油井结蜡主控因素及对策[J]. 特种油气藏, 2024, 31(1): 169-174.

Zhang Jihong, Li Wanshu, Tan Xinjian, Zhang Gang, Zhu Zhengjun. Main Control Factors and Countermeasures for Oil Well Waxing in B301 Test Area[J]. Special Oil & Gas Reservoirs, 2024, 31(1): 169-174.

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B301试验区油井结蜡主控因素及对策

Main Control Factors and Countermeasures for Oil Well Waxing in B301 Test Area

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