Analysis of the pressure responses in Grosmont Carbonates Formation to steam injection considering a fractal geometry for the fractured-vuggy system

阿尔伯塔省北部的格罗斯蒙特地层是裂缝性碳酸盐岩，估计有5080亿桶 沥青就位了。在这些碳酸盐岩储层中，天然裂缝和洞穴的存在是一个特征。 增加了石油生产的挑战，除了生产高粘度的沥青之外，这可能是 沃格斯的存在更是雪上加霜。因此，很好地理解了 基质、裂缝和溶洞及其正确的描述对于有效的石油生产是至关重要的。在……里面 在这项工作中，我们提出了一种通过分析压力来表征裂缝网络的技术 蒸汽注入引起的反应。工业合作伙伴可以使用这样的特征来描述 设计一种高效的回收流程。这项工作的成果将增加我们对碳酸盐的了解 需要表征和了解不同物理机制的稠油资源 在油田开发之前和之后都涉及到。本研究将对沥青的特性有一定的启示作用。 因此，碳酸盐岩储集层将有助于利用加拿大这一巨大资源开发石油生产。

Grosmont Formations in the Northern Alberta are fractured carbonates with an estimated 508 billion barrels of bitumen in place. In these carbonate reservoirs, the presence of natural fractures and vugs is a characteristic added to the challenge for oil production, in addition to of producing the highly viscous bitumen, which may be further aggravated with the existence of vugs. Therefore, a good understanding of the interaction among matrix, fractures, and vugs and their correct characterization are essential for the effective oil production. In this work, we propose a technique to characterize the fracture network through analyzing the pressure responses resulted from the steam injection. The industrial partner can use such a characterization for the design of an efficient recovery process. The outcome of this work will increase our understanding of carbonate heavy oil resources where there is a need to characterize and understand different physical mechanisms involved, before and after field developments. This study will enlighten the characteristics of bituminous carbonate reservoirs, thus, will facilitate the development of oil production from this vast resources in Canada.