資料簡(jiǎn)介
中國(guó)石油集團(tuán)碳捕集利用項(xiàng)目位于鄂爾多斯盆地東部斜坡區(qū)三疊系延長(zhǎng)組，位于陜西省北部。鄂爾多斯盆地是我國(guó)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(zhǎng)組擁有一系列低滲、特低滲油藏。這些儲(chǔ)層是典型的盆地，儲(chǔ)層滲透率小于110-3μm2（1毫達(dá)西，mD），占延長(zhǎng)探明總儲(chǔ)量的60%。致密油氣藏蘊(yùn)藏著巨大的石油儲(chǔ)量，是延長(zhǎng)組穩(wěn)產(chǎn)增產(chǎn)的關(guān)鍵。然而，陜西省北部干旱半干旱地區(qū)缺乏注水開(kāi)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(kāi)發(fā)利用效率，成為鄂爾多斯盆地油氣開(kāi)發(fā)項(xiàng)目的技術(shù)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.
資料截圖
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