西南石油大学学报（自然科学版）2025，Vol.47Issue(6)：83-93,11.DOI:10.11885/j.issn.1674-5086.2023.12.18.03
裂缝-孔隙型双重介质储层气井产能公式研究
The Research of Fracture and Pore Dual-media Reservoir Gas Well Production Capacity Formula
摘要
Abstract
Reasonable evaluation of production capacity is very important for gas well production.It is the foundation for the long-term development of gas field.The ultra-deep and ultra-high-pressure fractured tight sandstone gas reservoirs in front of Kuche mountain of Tarim Oilfield is characteristic of tight matrix and developed fractures.The seepage characteristics often manifest as the dual-media reservoir features of fractures and matrix.The entire flow process is divided into three stages:frac-ture flow,transitional flow and overall system flow.In response to the lack of targeted production capacity evaluation methods,the research has been conducted on the early production capacity evaluation formula corresponding to the fracture flow stage,transitional stage and on the long-term stable production capacity corresponding to the fracture porosity flow stage.The produc-tion capacity evaluation formula for dual-media reservoir gas wells considering the skin factor and the high speed non-Darcy coefficient has been theoretically established.The examples of calculation show that the result of production capacity formula is closer to the testing production than the conventional point method empirical formula,demonstrating good applicability in ultra-deep and ultra-high-pressure fractured tight sandstone gas reservoirs.关键词
裂缝/孔隙/双重介质/气井/产能公式Key words
fracture/pore/dual-media/gas well/production capacity formula分类
能源科技引用本文复制引用
PENG Peng,WANG Xiaopei,ZHANG Yongling,ZHAO Boyong,LIU Zhaolong..裂缝-孔隙型双重介质储层气井产能公式研究[J].西南石油大学学报（自然科学版）,2025,47(6):83-93,11.基金项目
中国石油科技重大专项(2018E-1803) （2018E-1803）
