準(zhǔn)噶爾盆地煤層氣經(jīng)濟(jì)評價(jià)及單井商業(yè)氣流標(biāo)準(zhǔn)研究
[Abstract]:Xinjiang Uygur Autonomous region has set up "pilot demonstration Project of CBM Development and Utilization in Baiyang River Mining area of Fukang City, Xinjiang", which is the first successful example of the development and utilization of middle and low-order CBM in western China. Since the coalbed methane industry has the characteristics of integration of upstream and downstream and integration of geology, engineering and benefit, the evaluation of its economic benefits is particularly important in the study of the whole industrial chain, which is the geological district and evaluation. Drilling and surface engineering, management model and other program design and implementation of the core. For this reason, the project economic evaluation and single well commercial airflow standard of CBM exploration well and CBM development pilot demonstration area in Baiyang River area were carried out respectively, and the commercial gas flow standard of CBM in Junggar Basin was established, and the commercial gas flow standard of CBM in Junggar Basin was established. The standard map of commercial gas flow of coalbed methane in this basin is also drawn. The results show that when the buried depth of coal bed gas well is less than 1 000 m and the gas price is 1.814 yuan / m ~ (3), the commercial gas flow standard of coal bed gas well is 1 838 m ~ 3 ~ 3 d, and when the buried depth of coal bed gas is 1 000 m ~ 2 000 m, the commercial gas flow standard of coal bed gas is 2 602 m / m ~ (3) d; When the depth of coalbed methane is 2 000 m / 3 000 m, the commercial gas flow standard of coal bed methane is 3 795 m / 3 000 m, and when the depth of coal bed methane is 3 000? 4 000 m, the standard of commercial gas flow of coal bed methane is 5 628 m / 3? It is concluded that the middle and lower Jurassic coalbed methane buried more than 1 000 m in the eastern part of the southern margin of Junggar basin has the feasibility and economic benefit of exploitation under the present gas price.
【作者單位】: 中國石油新疆油田公司勘探開發(fā)研究院;
【分類號】:TE37
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