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首頁 > 資料下載 > 鄂爾多斯盆地延長組特低滲透油藏CO2儲層和EOR (2016)Yanchang Petroleum Report 2 CO2 storage and EOR in ultra-low permeabi
鄂爾多斯盆地延長組特低滲透油藏CO2儲層和EOR (2016)Yanchang Petroleum Report 2 CO2 storage and EOR in ultra-low permeabi 鄂爾多斯盆地延長組特低滲透油藏CO2儲層和EOR (2016)Yanchang Petroleum Report 2 CO2 storage and EOR in ultra-low permeabi

鄂爾多斯盆地延長組特低滲透油藏CO2儲層和EOR (2016)Yanchang Petroleum Report 2 CO2 storage and EOR in ultra-low permeabi

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  • 更新時間：2021-09-17
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中國石油集團碳捕集利用項目位于鄂爾多斯盆地東部斜坡區(qū)三疊系延長組，位于陜西省北部。鄂爾多斯盆地是我國西北地區(qū)最重要的能源化工基地，油氣資源和煤炭資源十分豐富。延長組擁有一系列低滲、特低滲油藏。這些儲層是典型的盆地，儲層滲透率小于110-3μm2（1毫達西，mD），占延長探明總儲量的60%。致密油氣藏蘊藏著巨大的石油儲量，是延長組穩(wěn)產(chǎn)增產(chǎn)的關鍵。然而，陜西省北部干旱半干旱地區(qū)缺乏注水開發(fā)的水資源，這就需要增加采油量。提高陜西省北部低滲特低滲透油藏開發(fā)利用效率，成為鄂爾多斯盆地油氣開發(fā)項目的技術難題。

The Yanchang Petroleum Group’s Carbon Capture and Utilisation Project is located in the northern Shaanxi Province, China and focuses on the Triassic Yanchang Formation on the eastern slope of Ordos Basin. Ordos Basin in north western China is the most important energy-chemical base with abundant oil, gas and coal resources. The Yanchang Formation hosts a series of oil fields that are low and ultra-low permeability oil-bearing reservoirs. These reservoirs are typical of the basin, where the reservoir permeability is less than 1 x 10-3 μm2 (1 millidarcy, mD); these accumulations account for 60% of Yanchang total proven reserves. The tight reservoirs contain huge oil reserves and are the key to maintain steady and increasing yields from the Yanchang Formation. However, the arid and semi-arid northern Shaanxi Province, has a lack of water to conduct water flooding development, which is needed to increase oil production. Improving the efficiency of the development of low and ultra-low permeability oil-bearing reservoirs in the northern Shaanxi Province with a lack of water becomes a technical problem for Ordos Basin’s oil and gas development projects.

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