高盐低渗透油藏CO2泡沫微观尺度耐盐性及调驱效果

doi:10.7657/XJPG20240609

摘要/Abstract

摘要：

针对高盐低渗透油藏CO₂驱存在的气窜问题，以长庆油田H3区块为研究对象，构建SiO₂纳米颗粒强化CO₂泡沫体系，从泡沫流变性、气液界面张力、气泡液膜厚度与渗透性、泡沫微观结构4个方面评价泡沫体系耐盐性；通过开展SiO₂纳米颗粒强化CO₂泡沫体系并联岩心调驱实验，研究该体系调驱效果。根据实验结果，在油藏条件下，构建出配方为质量分数0.20%（OW-1）+0.30%（OW-4）+0.05%（SiO₂）纳米颗粒强化CO₂泡沫体系，该泡沫体系的综合指数为36 834 mL·min；该泡沫体系的微观尺度耐盐性评价结果表明，矿化度46 357 mg/L与矿化度500 mg/L的配液相比，泡沫流变性更好，气液界面张力在10 MPa时仅增加1 mN/m，液膜渗透性增加了0.14 cm/s，但仍具有良好的泡沫骨架结构，该泡沫体系具有良好的耐盐性。此外，在并联岩心渗透率级差为15.55的条件下，该SiO₂纳米颗粒强化CO₂泡沫体系对岩心剖面改善率达到了97.28%，采收率显著提升，展现出良好的调驱能力。

关键词: 高盐低渗透油藏, 长庆油田, 气窜, CO₂泡沫, 微观尺度, 耐盐性, 调驱, 提高采收率

Abstract:

Regarding gas channeling during CO₂ flooding in high-salinity, low-permeability reservoirs, taking the H3 block of Changqing oilfield as an example, an enhanced CO₂ foam system with SiO₂ nano-particales was constructed to evaluate its salt tolerance with respect to foam rheology, gas-liquid interfacial tension, liquid film thickness and permeability, and foam microstructure. A parallel core displacement experiment was conducted for the foam system to assess its profile control performance. Based on the experimental results, a foam system of 0.20%(OW-1)+0.30%(OW-4)+0.05%(SiO₂) was developed under reservoir conditions, achieving a comprehensive index of 36,834 mL·min. The microscale salt tolerance evaluation indicates that, as compared with the foaming agents prepared at salinity of 46,357 mg/L and 500 mg/L, the developed foam system exhibits better rheological properties. The gas-liquid interfacial tension increased by only 1 mN/m at 10 MPa, and the liquid film permeability was improved by 0.14 cm/s. However, the foam system still maintains a robust skeletal structure. Thus, it is demonstrated with excellent salt tolerance at the microscale. Furthermore, for parallel cores with the permeability ratio of 15.55, the developed SiO₂ nanoparticle-enhanced CO₂ foam system improves the core profile by 97.28%, suggesting a remarkable enhancement in oil recovery, and demonstrating a good profile control performance.

Key words: high-salinity and low-permeability reservoir, Changqing oilfield, gas channeling, CO₂ foam, microscale, salt tolerance, profile control, enhanced oil recovery

中图分类号:

TE357

魏鸿坤, 王健, 王丹翎, 路宇豪, 周娅芹, 赵鹏. 高盐低渗透油藏CO₂泡沫微观尺度耐盐性及调驱效果[J]. 新疆石油地质, 2024, 45(6): 703-710.

WEI Hongkun, WANG Jian, WANG Danling, LU Yuhao, ZHOU Yaqin, ZHAO Peng. Microscale Salt Tolerance and Profile Control of CO₂ Foam in High-Salinity, Low-Permeability Reservoirs[J]. Xinjiang Petroleum Geology, 2024, 45(6): 703-710.

图/表 11

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参考文献 29

[1]	李艳明, 刘静, 张棚, 等. 鄯善油田特高含水期CO₂吞吐增油与埋存试验[J]. 新疆石油地质, 2023, 44(3):327-333.
	LI Yanming, LIU Jing, ZHANG Peng, et al. CO₂ huff-n-puff and storage test in extra-high water cut stage in Shanshan oilfield[J]. Xinjiang Petroleum Geology, 2023, 44(3):327-333.
[2]	孙大龙, 张广东, 彭旭, 等. CO₂驱气溶性降混剂提高采收率机理实验[J]. 特种油气藏, 2022, 29(1):134-140. doi: 10.3969/j.issn.1006-6535.2022.01.020
	SUN Dalong, ZHANG Guangdong, PENG Xu, et al. Experiment on the mechanism of enhancing oil recovery by CO₂ flooding with gas-soluble demixing agent[J]. Special Oil & Gas Reservoirs, 2022, 29(1):134-140.
[3]	崔传智, 闫大伟, 姚同玉, 等. CO₂驱前缘运移规律及气窜时机预测方法:以胜利油田G89-1区块为例[J]. 油气藏评价与开发, 2022, 12(5):741-747.
	CUI Chuanzhi, YAN Dawei, YAO Tongyu, et al. Prediction method of migration law and gas channeling time of CO₂ flooding front:A case study of G89-1 block in Shengli oilfield[J]. Petroleum Reservoir Evaluation and Development, 2022, 12(5):741-747.
[4]	钱坤, 杨胜来, 窦洪恩, 等. 特低渗油藏不同CO₂注入方式微观驱油特征[J]. 新疆石油地质, 2020, 41(2):204-208.
	QIAN Kun, YANG Shenglai, DOU Hongen, et al. Microscopic characteristics of oil displacement with different CO₂ injection modes in extra-low permeability reservoirs[J]. Xinjiang Petroleum Geology, 2020, 41(2):204-208.
[5]	于世春, 胡改星, 刘笑春, 等. 长庆油田CO₂驱注采工艺现状及技术攻关方向[J]. 石油化工应用, 2023, 42(12):15-19.
	YU Shichun, HU Gaixing, LIU Xiaochun, et al. Current situation and technical research direction of CO₂ flooding injection-production technology in Changqing oilfield[J]. Petrochemical Industry Application, 2023, 42(12):15-19.
[6]	王彦玲, 兰金城, 李强, 等. 适用于长庆油田防气窜CO₂冻胶泡沫的研究[J]. 精细石油化工, 2020, 37(3):38-42.
	WANG Yanling, LAN Jincheng, LI Qiang, et al. Study on CO₂ gel foam for gas channeling prevention in Changqing oilfield[J]. Speciality Petrochemicals, 2020, 37(3):38-42.
[7]	李毓, 卢祥国, 李鸿儒, 等. 基于底水仿真模型油藏化学驱后 CO₂吞吐增油效果:以大港油田底水油藏为例[J]. 大庆石油地质与开发, 2022, 41(5):101-111.
	LI Yu, LU Xiangguo, LI Hongru, et al. Study on CO₂ huff and puff effect of increasing oil production after chemical flooding based on bottom water reservoir simulation model:Take bottom water reservoir of Dagang oilfield as an example[J]. Petroleum Geology & Oilfield Development in Daqing, 2022, 41(5):101-111.
[8]	张蒙, 赵凤兰, 吕广忠, 等. 气水交替改善CO₂驱油效果的适应界限[J]. 油田化学, 2020, 37(2):279-286.
	ZHANG Meng, ZHAO Fenglan, LYU Guangzhong, et al. Experimental study on the adaptation limit of WAG to improve CO₂ flooding effect[J]. Oilfield Chemistry, 2020, 37(2):279-286.
[9]	李岩, 张菂, 樊晓伊, 等. 低渗透砂砾岩油藏二氧化碳驱提高采收率[J]. 新疆石油地质, 2022, 43(1):59-65.
	LI Yan, ZHANG Di, FAN Xiaoyi, et al. EOR of CO₂ flooding in low-permeability sandy conglomerate reservoirs[J]. Xinjiang Petroleum Geology, 2022, 43(1):59-65.
[10]	刘世奇, 皇凡生, 杜瑞斌, 等. CO₂地质封存与利用示范工程进展及典型案例分析[J]. 煤田地质与勘探, 2023, 51(2):158-174.
	LIU Shiqi, HUANG Fansheng, DU Ruibin, et al. Progress and typical case analysis of demonstration projects of the geological sequestration and utilization of CO₂[J]. Coal Geology & Exploration, 2023, 51(2):158-174.
[11]	向湘兴, 陈静, 侯军伟, 等. 克拉玛依油田稠油油藏氮气泡沫驱应用[J]. 新疆石油地质, 2017, 38(1):76-80.
	XIANG Xiangxing, CHEN Jing, HOU Junwei, et al. Application of nitrogen foam flooding in heavy oil reservoirs in Karamay oilfield[J]. Xinjiang Petroleum Geology, 2017, 38(1):76-80.
[12]	肖志朋, 杨胜来, 马学礼, 等. 低渗透稀油油藏水驱后氮气泡沫驱适应性[J]. 新疆石油地质, 2020, 41(6):729-734.
	XIAO Zhipeng, YANG Shenglai, MA Xueli, et al. Adaptability evaluation of nitrogen foam flooding after water-flooding in low-permeability light oil reservoirs[J]. Xinjiang Petroleum Geology, 2020, 41(6):729-734.
[13]	宋传真, 鲁新便, 侯吉瑞, 等. 塔河油田缝洞型油藏耐高温耐高盐强化泡沫体系研制与性能评价[J]. 油气地质与采收率, 2023, 30(5):76-83.
	SONG Chuanzhen, LU Xinbian, HOU Jirui, et al. Preparation and performance evaluation of reinforced foam system with high temperature resistance and high salt tolerance in fracture-cavity reservoirs in Tahe oilfield[J]. Petroleum Geology and Recovery Efficiency, 2023, 30(5):76-83.
[14]	ZHANG Tianci, GE Jijiang, GUO Hongbin, et al. The development of heat-resistant and salt-tolerant foam with betaine surfactants[J]. Journal of Surfactants and Detergents, 2023, 26(1):61-72.
[15]	XU Zhengxiao, LI Zhaomin, CUI Shiti, et al. Assessing the performance of foams stabilized by anionic/nonionic surfactant mixture under high temperature and pressure conditions[J]. Colloids and Surfaces A:Physicochemical and Engineering Aspects, 2022, 651:129699.
[16]	王健, 黄伟豪, 赵云海, 等. 氮气泡沫调驱技术在新疆油田Y区块的适用性研究[J]. 油田化学, 2022, 39(2):288-294.
	WANG Jian, HUANG Weihao, ZHAO Yunhai, et al. Applicability of nitrogen foam profile control and flooding technology in Y reservoir of Xinjiang oilfield[J]. Oilfield Chemistry, 2022, 39(2):288-294.
[17]	陈神根, 王瑞, 易勇刚, 等. 纳米纤维强化泡沫液膜渗透性及稳定性实验研究[J]. 新疆石油天然气, 2023, 19(1):81-88.
	CHEN Shengen, WANG Rui, YI Yonggang, et al. Experimental study on film permeability and stability of nanofiber enhanced foam[J]. Xinjiang Oil & Gas, 2023, 19(1):81-88.
[18]	REN Weikai, DAI Runsong, JIN Ningde. Modeling of liquid film thickness around Taylor bubbles rising in vertical stagnant and co-current slug flowing liquids[J]. Chinese Journal of Chemical Engineering, 2023, 58:179-194. doi: 10.1016/j.cjche.2022.11.004
[19]	赵继勇, 熊维亮, 范伟, 等. 特低渗透油藏提高采收率驱油体系筛选及应用[J]. 新疆石油地质, 2019, 40(6):720-724.
	ZHAO Jiyong, XIONG Weiliang, FAN Wei, et al. Selection and application of oil displacement system for EOR in extra-low permeability reservoirs[J]. Xinjiang Petroleum Geology, 2019, 40(6):720-724.
[20]	王子强, 葛洪魁, 郭慧英, 等. 准噶尔盆地吉木萨尔页岩油不同温压CO₂吞吐下可动性实验研究[J]. 石油实验地质, 2022, 44(6):1092-1099.
	WANG Ziqiang, GE Hongkui, GUO Huiying, et al. Experimental study on the mobility of Junggar basin’s Jimsar shale oil by CO₂ huff and puff under different temperatures and pressures[J]. Petroleum Geology & Experiment, 2022, 44(6):1092-1099.
[21]	郑家桢, 裴海华, 张贵才, 等. 改性纳米硅颗粒强化高温泡沫的性能及机理研究[J]. 材料导报, 2023, 37(7):243-247.
	ZHENG Jiazhen, PEI Haihua, ZHANG Guicai, et al. Study on performance and mechanism of high-temperature foam stabilized by modified silicon nanoparticles[J]. Materials Reports, 2023, 37(7):243-247.
[22]	朱超亮. 含油多相介质起泡与液膜排液机制的分子动力学模拟[D]. 黑龙江大庆: 东北石油大学, 2022.
	ZHU Chaoliang. Molecular dynamics simulation of foaming and liquid film drainage mechanism in oily multiphase media[D]. Daqing,Heilongjiang: Northeast Petroleum University, 2022.
[23]	宋保建, 李景全, 孙宜丽, 等. 致密油藏CO₂吞吐参数优化数值模拟研究[J]. 特种油气藏, 2023, 30(4):113-121. doi: 10.3969/j.issn.1006-6535.2023.04.014
	SONG Baojian, LI Jingquan, SUN Yili, et al. Numerical simulation study on parameters optimization of CO₂ huff-n-puff in tight reservoir[J]. Special Oil & Gas Reservoirs, 2023, 30(4):113-121.
[24]	卢祥国, 高建崇, 何欣, 等. 层内非均质储层内部窜流规律实验研究:以大庆喇嘛甸油田为例[J]. 油气地质与采收率, 2022, 29(5):118-125.
	LU Xiangguo, GAO Jianchong, HE Xin, et al. Experimental study of internal channeling law of intra-layer heterogeneous reservoir:A case study of Lamadian oilfield in Daqing[J]. Petroleum Geology and Recovery Efficiency, 2022, 29(5):118-125.
[25]	师调调, 杜燕, 党海龙, 等. 志丹油区长7页岩油储层CO₂吞吐室内实验[J]. 特种油气藏, 2023, 30(6):128-134. doi: 10.3969/j.issn.1006-6535.2023.06.017
	SHI Tiaotiao, DU Yan, DANG Hailong, et al. Indoor experiment on CO₂ huff-n-puff in Chang7 shale oil reservoir in Zhidan oil region[J]. Special Oil & Gas Reservoirs, 2023, 30(6):128-134.
[26]	李兆敏, 侯大炜, 鹿腾, 等. 疏水型SiO₂纳米颗粒稳定泡沫机理与泡沫耐温性能评价[J]. 油田化学, 2019, 36(3):494-500.
	LI Zhaomin, HOU Dawei, LU Teng, et al. Properties of hydrophobic SiO₂ nanoparticles stabilized foam and its temperature resistance evaluation[J]. Oilfield Chemistry, 2019, 36(3):494-500.
[27]	张烈辉, 曹成, 文绍牧, 等. 碳达峰碳中和背景下发展CO₂-EGR的思考[J]. 天然气工业, 2023, 43(1):13-22.
	ZHANG Liehui, CAO Cheng, WEN Shaomu, et al. Thoughts on the development of CO₂-EGR under the background of carbon peak and carbon neutrality[J]. Natural Gas Industry, 2023, 43(1):13-22.
[28]	高树生, 叶礼友, 刘华勋, 等. 柴达木盆地涩北气田水淹后注CO₂驱提高采收率实验分析[J]. 天然气工业, 2023, 43(12):55-62.
	GAO Shusheng, YE Liyou, LIU Huaxun, et al. An experimental study on recovery factor of watered gas reservoir by CO₂ EOR in Sebei of the Qaidam basin[J]. Natural Gas Industry, 2023, 43(12):55-62.
[29]	赵云海, 王健, 黄伟豪, 等. 低渗透油藏纳米微球强化CO₂泡沫体系控制气窜实验[J]. 新疆石油地质, 2021, 42(4):480-486.
	ZHAO Yunhai, WANG Jian, HUANG Weihao, et al. Experiments on controlling gas channeling in low-permeability reservoirs by enhanced CO₂ foam system with nano-microspheres[J]. Xinjiang Petroleum Geology, 2021, 42(4):480-486.

岩心类型	长度/ cm	直径/ cm	孔隙体积/ cm³	孔隙度/ %	渗透率/ mD	渗透率级差
低渗透岩心	9.65	2.50	7.28	15.13	4.84	15.55
高渗透岩心	9.58	2.51	11.18	23.59	75.26	15.55

OW-1质量分数/%	OW-4质量分数/%	起泡体积/ mL	泡沫半衰期/ min	综合指数/ （mL·min）
0.10	0.10	250	29.5	5 531
0.10	0.20	260	15.0	2 925
0.10	0.30	510	20.6	7 880
0.10	0.40	540	33.4	13 527
0.10	0.50	590	37.8	16 727
0.20	0.10	280	36.9	7 749
0.20	0.20	350	30.4	7 980
0.20	0.30	560	54.7	22 974
0.20	0.40	600	42.5	19 125
0.30	0.10	290	24.8	5 394
0.30	0.20	320	29.7	7 128
0.30	0.30	600	57.1	25 695
0.40	0.10	270	23.8	4 820
0.40	0.20	300	19.3	4 343
0.50	0.10	300	27.6	6 210

高盐低渗透油藏CO₂泡沫微观尺度耐盐性及调驱效果

Microscale Salt Tolerance and Profile Control of CO₂ Foam in High-Salinity, Low-Permeability Reservoirs

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