Evaluation of shale oil resource potential in continental rift basin：A case study of Lower Es3 Member in Dongying Sag

doi:10.13673/j.cnki.cn37-1359/te.2019.01.014

Home > Archive>Volume 26, Issue 1, 2019 >129-136. DOI:10.13673/j.cnki.cn37-1359/te.2019.01.014

Evaluation of shale oil resource potential in continental rift basin：A case study of Lower Es3 Member in Dongying Sag
DOI:
                        10.13673/j.cnki.cn37-1359/te.2019.01.014
                    
Author:
                        ZHU RifangZHU Rifang
1.Exploration and Development Research Institute，Shengli Oilfield Company，SINOPEC，Dongying City，Shandong Province，257015，China；2.Shengli Oilfield Branch，State Energy Center for Shale Oil Research and Development，Dongying City，Shandong Province，257015，China；3.Key Laboratory of Shale Oil/Gas Exploration and Production，SINOPEC，Dongying City，Shandong Province，257015，China
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ZHANG LinyeZHANG Linye
1.Exploration and Development Research Institute，Shengli Oilfield Company，SINOPEC，Dongying City，Shandong Province，257015，China；4.State Key Laboratory of Continental Dynamics，Northwest University，Xi’an City，Shaanxi Province，710069，China
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LI ZhengLI Zheng
1.Exploration and Development Research Institute，Shengli Oilfield Company，SINOPEC，Dongying City，Shandong Province，257015，China；2.Shengli Oilfield Branch，State Energy Center for Shale Oil Research and Development，Dongying City，Shandong Province，257015，China；3.Key Laboratory of Shale Oil/Gas Exploration and Production，SINOPEC，Dongying City，Shandong Province，257015，China
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WANG RuWANG Ru
1.Exploration and Development Research Institute，Shengli Oilfield Company，SINOPEC，Dongying City，Shandong Province，257015，China；2.Shengli Oilfield Branch，State Energy Center for Shale Oil Research and Development，Dongying City，Shandong Province，257015，China
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ZHANG ShouchunZHANG Shouchun
1.Exploration and Development Research Institute，Shengli Oilfield Company，SINOPEC，Dongying City，Shandong Province，257015，China；2.Shengli Oilfield Branch，State Energy Center for Shale Oil Research and Development，Dongying City，Shandong Province，257015，China；3.Key Laboratory of Shale Oil/Gas Exploration and Production，SINOPEC，Dongying City，Shandong Province，257015，China
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ZHANG LeiZHANG Lei
1.Exploration and Development Research Institute，Shengli Oilfield Company，SINOPEC，Dongying City，Shandong Province，257015，China；2.Shengli Oilfield Branch，State Energy Center for Shale Oil Research and Development，Dongying City，Shandong Province，257015，China；3.Key Laboratory of Shale Oil/Gas Exploration and Production，SINOPEC，Dongying City，Shandong Province，257015，China
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Abstract:

Shale oil resource potential analysis is one of the most important basic works in shale oil exploration practice. Recoverable oil resource is the most direct index of resource potential evaluation. Based on the existing research results of shale oil resources evaluation and the recovery of shale oil，the total resources and recoverable resources of the shale oil in Lower Es3 Member in Dongying Sag were calculated by the chloroform asphalt“A”method and the pyrolysis parameter method respectively. The calculation results show that the calculation results obtained by the two methods are basically consistent，which are 1 139 million tons and 1 157 million tons respectively. The shale oil resources are mainly distributed horizontally in the central zone of the subsags，which the abundance of the resources is between1 million and 2.5 million t/km2.Vertically，the shale oil resources are mainly occurred at the depth from 3 000 m to 3 500 m with 701 million tons shale oil resources，followed occurred at the depth from 3 500 to 4 000 m，which is 437 million tons shale oil resources. However，the amount of recoverable resources of shale oil are roughly equivalent at those two deep segments，which is 75 million tons and 73 million tons respectively. Shale oil located deeply has a higher recoverable rate. Lijin Subsag has high shale oil resource abundance and recovery mobility，high shale oil resource potential，and is a favorable area for shale oil exploration.

Key words:continental rift basin;shale oil;resource evaluation;Lower Es3 Member;Dongying Sag

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ZHU Rifang, ZHANG Linye, LI Zheng, WANG Ru, ZHANG Shouchun, ZHANG Lei. Evaluation of shale oil resource potential in continental rift basin：A case study of Lower Es3 Member in Dongying Sag[J]. Petroleum Geology and Recovery Efficiency,2019,26(1):129~136

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