地质介质的协同作用及其对矿床开发勘查效果的影响

Y. Voitenko
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引用次数: 0

摘要

研究了山压和储层压力、饱和流体、岩石结构要素和外部动力因素对自然条件下,特别是井附近岩石行为的共同影响机制。具体算例表明,在这一系列影响因素下,岩石的行为是由外部影响、岩石的不均匀应力-应变状态、孔隙压力和化学力学效应共同作用的协同规律决定的。例如封闭井的气体流量和气体计量研究结果,以及不同深度的爆炸射孔和生产井强度的结果。高弹性模量矿物中缺陷的发生是由外部动力作用引起的,在饱和流体的作用下是独立的。然后,在体积非均匀压缩和储层压力作用下,陆源岩石在微观和宏观上都发生了逐渐的破裂。这些过程的结果是在钻井、生产和暂停期间在井附近形成了渗透率提高的区域。传统钻井技术会通过水固相渗透影响储层物性。在油气井和封闭井中,提高这些性能。从协同位置对岩石行为的分析表明,在钻井、完井和油气生产过程中,对储层的最佳加载模式是对储层的降压(减压)。确定了强化油气生产的已知和有前途的新技术。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Synergetics of geological mediums and its impact on the effectiveness of the exploitation and exploration for mineral deposits
The mechanisms of joint influence of mountain and reservoir pressures, saturating fluid, structure elements of rocks and external dynamic effects on their behavior in natural conditions, in particular near of the well, are investigated. With specific examples, it is shown that the behavior of rocks with such a set of influencing factors is determined by the laws of synergetics and the combined action of external influences, uneven stress-strain state of the rocks, the pore pressure and chemo mechanical effects. Examples are the results of gas-flow and gas-metric studies of closed wells, as well as the results of explosive perforation and intensification of producing wellbores at different depths. Defects occurrence in minerals with a high modulus of elasticity is initiated by an external dynamic effect and independently under the action of the saturating fluid. Then, under volumetric non-uniform compression and reservoir pressure, gradual fracturing of terrigenous rocks occurs at the micro and macro level. The result of these processes is the formation of areas of the improved permeability near the wells during drilling, production and suspending. When drilling on traditional technology they will impair formation reservoir properties via infiltration of water and solid phase. In oil and gas wells and in closed wells - improve these properties. Analysis of the behavior of rocks from the synergetic position shows that the best mode of loading on the reservoir during wells drilling, wells completion and oil and gas production is depression (reduced pressure) on the reservoir. The known and new promising technologies for the intensification of oil and gas production are determined.
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CiteScore
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