注多元热流体吞吐转驱替三维物模及数值实验
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摘要
针对注多元热流体(蒸汽、热水、氮气和二氧化碳的高温混合物)热采组分多、增油机理复杂、吞吐后转驱规律不同于常规注蒸汽的问题,开展了注多元热流体吞吐转驱替三维物模及数值试验研究。研究以相似准则为基础,根据渤海N稠油油田地质油藏特征为原型,首先建立了三维比例物理模型,开展了水平井注多元热流体多轮吞吐后转驱替的三维物理模拟实验,得到了转驱生产动态与加热腔扩展的对应规律。然后,建立了数值试验模型,在对三维实验数据进行历史拟合的基础上,进行了注多元热流体吞吐后转多元热流体驱、转蒸汽驱、转蒸汽复合氮气二氧化碳驱等注入不同介质的数值试验,对比分析得到了不同生产阶段的主要增油机理。最后,对渤海N油田南区水平井多元热流体三轮吞吐后转驱的工艺参数进行了优化,得到了最佳工艺参数组合。研究结果可为稠油油田吞吐转驱方案设计提供指导和借鉴。
Aiming at the problems of injection multi-thermal fluids(the mixture of the high temperature of steam, hot water,nitrogen and carbon dioxide), such as more components, more complex mechanism, different from conventional steam injection etc., a 3-D physical simulation experiment and numerical test on multi-thermal fluids flooding after huff and puff is carried out.Based on similarity criterion and taking a typical block of heavy oil in bohai oilfield as the prototype, a scaled three-dimensional physical model is established firstly. And the corresponding law between multi-thermal fluids flooding production performance and the stage of heated chamber extending is researched by three-dimensional physical simulation experiment of multi-thermal fluids flooding after huff and puff by horizontal wells. Then, the numerical simulation software stars module was used to establish the numerical model, on the basis of history matching of physical model, three numerical tests of multi-thermal fluids flooding, steam flooding and steam compound nitrogen to carbon dioxide flooding are carried out, and the temperature field and production performance are contrast analyzed. Finally, the best injection production parameters of N heavy Oilfield are optimized by numerical tests. The results can provide guidance and reference for the multi-thermal fluids flooding plan design of heavy oilfield.
Aiming at the problems of injection multi-thermal fluids(the mixture of the high temperature of steam, hot water,nitrogen and carbon dioxide), such as more components, more complex mechanism, different from conventional steam injection etc., a 3-D physical simulation experiment and numerical test on multi-thermal fluids flooding after huff and puff is carried out.Based on similarity criterion and taking a typical block of heavy oil in bohai oilfield as the prototype, a scaled three-dimensional physical model is established firstly. And the corresponding law between multi-thermal fluids flooding production performance and the stage of heated chamber extending is researched by three-dimensional physical simulation experiment of multi-thermal fluids flooding after huff and puff by horizontal wells. Then, the numerical simulation software stars module was used to establish the numerical model, on the basis of history matching of physical model, three numerical tests of multi-thermal fluids flooding, steam flooding and steam compound nitrogen to carbon dioxide flooding are carried out, and the temperature field and production performance are contrast analyzed. Finally, the best injection production parameters of N heavy Oilfield are optimized by numerical tests. The results can provide guidance and reference for the multi-thermal fluids flooding plan design of heavy oilfield.
引文
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[13]林涛,孙永涛,马增华,等.多元热流体中热-气降黏作用初步探讨[J].海洋石油,2012, 32(3):74-76. doi:10.3969/j.issn.1008-2336.2012.03.074LIN Tao,SUN Yongtao, MA Zenghua, et al. A preliminary discussion on oil viscosity reduction by heat-gas activity in multiple thermal fluids[J]. Offshore Oil, 2012, 32(3):74-76. doi:10.3969./j.issn.1008-2336.2012.03.074
[14]付美龙,熊帆,张凤山,等.杜84块CO_2、N_2和烟道气吞吐采油数模研究[J].石油天然气学报,2008, 30(5):328-337.FU Meilong, XIONG Fan, ZHANG Fengshan, et al. Numerical simulation study of CO_2, N2 and flue gas stimulatian for oil production from Block Du 84[J]. Journal of Oil and Gas Technology,2008, 30(5):328-337.
[15]李峰,张凤山,丁建民,等.稠油吞吐井注烟道气提高采收率技术试验[J].石油钻采工艺,2001,3(1):67-68. doi:10.3969/j.issn.1000-7393.2001.01.018LI Feng, ZHANG Fengshan, DING Jianmin, et al. Application of assistant chemical viscosity reducing technology in steam soaking in shallow layer viscous oil reservoir in Xinjiang[J]. Oil Drilling&Production Technology,2001,23(1):67-68. doi:10.3969/j.issn. 1000-739,.2001.01.018
[16] PUJOL L, BOBERG T C. Scaling accuracy of laboratory steam flooding models[C]. SPE4191.1972. doi:10.2118/-4191-MS
[17]石海磊,王彦春,李敬松.SAGD三维比,例物理模拟数字实验技术研究[J].科学技术与工程,2013, 13(5):1150-1153. doi:10.3969/j.issn.1671-1815.2013.05.006SHI Hailei, WANG Yanchun, LI Jingsong. Simulation digital experimental technology research for 3D of SAGD[J]. Science Technology and Engineering; 2013,13(5):1150-1153. doi:10.3969/j.issn.1671-1815.2013.-05.006
[2] PRADEEP A G, SWAPAN D, SAN JAY S, et al. Expanding solvent sagd in heavy oil reservoirs[C]. SPE 117571,2008. doi:10.2118/117571-MS
[3]马奎前,刘东.稠油油藏水平井热采吞吐产能预测新模型[J].西南石油大学学报(自然科学版),2018, 40(1):114-121. doi:10.11885/j.issn.16745086.2016.11.09.02MA Kuiqian, LIU Dong. Model for capacity forecasting of thermal soaking recovery in horizontal wells in heavy oil reservoirs[J]. Journal of Southwest Petroleum University(Science&Technology Edition), 2018, 40(1):114-121.doi:10.11885/j.issn.1674-5086.2016.11.09.02
[4] SUN Fengrui,YAO Yuedong,LI Xiangfang,et al. The mass and heat transfer characteristics of superheated steam coupled with non-condensing gases in perforated horizontal wellbores[J]. Journal of Petroleum Science and Engineering, 2017, 156:460-467. doi:10.1016/j.petrol.2017.-06.028
[5] KHATANIAR S, KAMATH V A, PATIL S L. CO_2 and miscible gas injection for enhanced recovery of schrader bluff heavy oil[C]. SPE 54085,1999. doi:10.2118/54085-MS
[6] SIMON R. Generalized correlations for predicting solubility, swelling and viscosity behavior of CO_2-crude oil systems[J]. Journal of Petroleum Technology, 1965,17(1):102-107. doi:10.2118/917-PA
[7] MILLER J S, JONES R A. A laboratory study to determine physical characteristic of heavy oil after CO_2 saturation[C]. SPE 9789, 1981. doi:10.2118/9789-MS
[8]刘东,李云鹏,张风义,等.烟道气辅助蒸汽吞吐油藏适应性研究[J].中国海上油气(地质),2012,24(增1):62-66. doi:10.3969/j.issn.1673-1506.2012.z1.014LIU Dong, LI Yunpeng, ZHANG Fengyi, et al. Reservoir applicability of steam stimulation supplemented by flue gas[J]. China Offshore Oil and Gas(Geology), 2012,24(S1):62-66. doi:10.3969/j.issn.1673-1506.2012.z1.-014
[9]刘东.热采水平井加热半径计算新模型[J].中国海上油气(地质),2015,27(3):84-90. doi:10.11935/j.issn.-1673-1506.2015.03.013LIU Dong. A new model for calculating heating radius of thermal recovery horizontal wells[J]. China Offshore Oil and Gas(Geology), 2015, 27(3):84-90. doi:10.11935/j.-issn.1673-1506.2015.03.013
[10]黄颖辉,刘东,罗义科.海上多元热流体吞吐先导试验井生产规律研究[J].特种油气藏,2013, 20(2):164-165. doi:10.3969/j.issn.1006-6535.2013.02.020HUANG Yinghui, LIU Dong, LUO Yike. Research onmultiple thermal fluid stimulation for offshore heavy oil production[J]. Special Oil&Gas Reservoirs, 2013,20(2):164-165. doi:10.3969/j.issn. 1006-6535.2013.02.020
[11]刘东,胡廷惠,潘广明,等.海上稠油多元热流体与蒸汽吞吐开采效果对比[J].特种油气藏,2015, 22(4):118-120. doi:10.3969/j.issn. 1006-6535.2015.04.031LIU Dong, HU Tinghui, PAN Guangming, et al. Research on multiple thermal fluid stimulation for offshore heavy oil production[J]. Special Oil&Gas Reservoirs, 2015.22(4):118-120. doi:10.3969/j.issn.1006-6535.2015.04.031
[12]顾启林,孙永涛,郭娟丽,等.多元热流体吞吐技术在海上稠油油藏开发中的应用[J].石油化工应用,2012,31(9):8-10. doi:10.3969/j.issn. 1673-5285.2012.09.003GU Qilin.SUN Yongtaoi GUO Juanli.et al. Application of complex thermal fluid huff and puff technology in offshore heavy oil reservoir development[J]. Petrochemical Industry Application, 2012, 31(9):8-10. doi:10.3969/j.-issn.1673-5285.2012.09.003
[13]林涛,孙永涛,马增华,等.多元热流体中热-气降黏作用初步探讨[J].海洋石油,2012, 32(3):74-76. doi:10.3969/j.issn.1008-2336.2012.03.074LIN Tao,SUN Yongtao, MA Zenghua, et al. A preliminary discussion on oil viscosity reduction by heat-gas activity in multiple thermal fluids[J]. Offshore Oil, 2012, 32(3):74-76. doi:10.3969./j.issn.1008-2336.2012.03.074
[14]付美龙,熊帆,张凤山,等.杜84块CO_2、N_2和烟道气吞吐采油数模研究[J].石油天然气学报,2008, 30(5):328-337.FU Meilong, XIONG Fan, ZHANG Fengshan, et al. Numerical simulation study of CO_2, N2 and flue gas stimulatian for oil production from Block Du 84[J]. Journal of Oil and Gas Technology,2008, 30(5):328-337.
[15]李峰,张凤山,丁建民,等.稠油吞吐井注烟道气提高采收率技术试验[J].石油钻采工艺,2001,3(1):67-68. doi:10.3969/j.issn.1000-7393.2001.01.018LI Feng, ZHANG Fengshan, DING Jianmin, et al. Application of assistant chemical viscosity reducing technology in steam soaking in shallow layer viscous oil reservoir in Xinjiang[J]. Oil Drilling&Production Technology,2001,23(1):67-68. doi:10.3969/j.issn. 1000-739,.2001.01.018
[16] PUJOL L, BOBERG T C. Scaling accuracy of laboratory steam flooding models[C]. SPE4191.1972. doi:10.2118/-4191-MS
[17]石海磊,王彦春,李敬松.SAGD三维比,例物理模拟数字实验技术研究[J].科学技术与工程,2013, 13(5):1150-1153. doi:10.3969/j.issn.1671-1815.2013.05.006SHI Hailei, WANG Yanchun, LI Jingsong. Simulation digital experimental technology research for 3D of SAGD[J]. Science Technology and Engineering; 2013,13(5):1150-1153. doi:10.3969/j.issn.1671-1815.2013.-05.006