稠油含油污泥凝固剂研制与性能评价

doi:10.3969/j.issn.1006-6535.2024.01.018

特种油气藏 ›› 2024, Vol. 31 ›› Issue (1): 137-143.DOI: 10.3969/j.issn.1006-6535.2024.01.018

稠油含油污泥凝固剂研制与性能评价

才力¹, 刘庆旺¹, 范振忠¹, 贺春芳², 张铭³, 王娇³, 郭昊⁴, 里清扬³

1.东北石油大学提高油气采收率教育部重点实验室,黑龙江大庆 163000;
2.中国石油长庆油田分公司,甘肃庆阳 745100;
3.中国石油辽河油田分公司,辽宁盘锦 124010;
4.中国石油大庆油田有限责任公司,黑龙江大庆 163000

收稿日期:2022-12-19 修回日期:2023-12-09 出版日期:2024-02-25 发布日期:2024-04-18
通讯作者: 刘庆旺(1964—),男,教授,博士生导师,1984年毕业于西南石油学院油田化学专业,2002年毕业于浙江大学化学专业,获博士学位,现主要从事油田化学理论研究、污水处理、环境化学、采油钻井助剂开发、油水井化学增产增注技术等方面的研究。
作者简介:才力(1993—),男,2015年毕业于西南石油大学油气储运专业,现为东北石油大学石油与天然气工程专业在读博士研究生,现主要从事含油污水处理方面的研究。
基金资助:
黑龙江省自然科学基金面上项目“磁性纳米Fe₃O₄@SiO₂-NH₂絮凝油田污水方法研究”(LH2020E014)

Development and Performance Evaluation of Oily Sludge Coagulant for Heavy Oil Production

Cai Li¹, Liu Qingwang¹, Fan Zhenzhong¹, He Chunfang², Zhang Ming³, Wang Jiao³, Guo Hao⁴, Li Qingyang³

1. Key Laboratory for Improving Oil and Gas Recovery (Northeast Petroleum University), Ministry of Education, Daqing, Heilongjiang 163000, China;
2. PetroChina Changqing Oilfield Company, Xi′an,Qingyang Gansu 745100, China;
3. PetroChina Liaohe Oilfield Company, Panjin, Liaoning 124010, China;
4. PetroChina Daqing Oilfield Co., Ltd., Daqing, Heilongjiang 163000, China

Received:2022-12-19 Revised:2023-12-09 Online:2024-02-25 Published:2024-04-18

摘要/Abstract

摘要： 针对稠油开采过程中产生的含油污泥污染环境的问题,以烧黏土、硬石灰为主要原材料研制了含油污泥凝固剂,并以含油污泥凝固剂和含油污泥为主要成分,配制了可在油层凝结固化的含油污泥调剖堵水剂,以达到含油污泥无害化和资源化利用的目的。采用XRD检测和抗压强度测试等手段,对含油污泥调剖堵水剂封堵性能影响因素进行了分析和优化,并评价了其调剖堵水性能。研究表明:该调剖堵水剂具有较长的凝胶时间、良好的施工安全性、可泵注性和适当的结构强度等优点;当含油污泥凝固剂质量分数在17%以上时,岩心封堵率达到98%以上,突破压力在20 MPa以上,具有较高的封堵强度;同时该调剖堵水剂也是一种固体废弃物资源化利用新技术,符合循环经济、绿色发展要求。含油污泥凝固剂技术有效解决了含油污泥外排造成的环境污染问题,为油田综合治理、降低生产成本提供了一种新手段。

关键词: 含油污泥, 稠油, 凝固剂, 烧黏土, 硬石灰, 蒸汽驱

Abstract: Aiming at the problem of oily sludge polluting the environment produced in the process of heavy oil production, an oily sludge coagulant was developed with baked clay and hydraulic lime as the main raw materials, and an oily sludge adjusting and blocking agent that can be coagulated and solidified in the oil layer was formulated with oily sludge coagulant and oily sludge as the main components, so that it can achieve the purpose of harmlessness of oily sludge and utilization of resources.The factors affecting the blocking performance of the oily sludge adjusting and blocking agent were analyzed and optimized, and the adjusting and blocking performances were evaluated through XRD detection and compressive strength. The study shows that the adjusting and blocking agent has the advantages of long gel time, good construction safety, pumpability and appropriate structural strength; when the mass fraction of oily sludge coagulant is above 17%, the core blocking rate is above 98%, and the breakthrough pressure is above 20 MPa, which has high blocking strength; at the same time, the adjusting and blocking agent is also a new technology of resourceful use of solid waste, which is in line with the national policy of circular economy and green development. Oily sludge coagulant technology effectively solves the environmental pollution problem caused by oily sludge discharge, providing a new means for comprehensive oilfield management and reducing production costs.

Key words: oily sludge, heavy oil, coagulant, baked clay, hydraulic lime, steam flooding

中图分类号:

TE357.4

才力, 刘庆旺, 范振忠, 贺春芳, 张铭, 王娇, 郭昊, 里清扬. 稠油含油污泥凝固剂研制与性能评价[J]. 特种油气藏, 2024, 31(1): 137-143.

Cai Li, Liu Qingwang, Fan Zhenzhong, He Chunfang, Zhang Ming, Wang Jiao, Guo Hao, Li Qingyang. Development and Performance Evaluation of Oily Sludge Coagulant for Heavy Oil Production[J]. Special Oil & Gas Reservoirs, 2024, 31(1): 137-143.

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稠油含油污泥凝固剂研制与性能评价

Development and Performance Evaluation of Oily Sludge Coagulant for Heavy Oil Production

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