Influence of Pore Structure and Solid Bitumen on the Development of Deep Carbonate Gas Reservoirs: A Case Study of the Longwangmiao Reservoir in Gaoshiti–Longnusi Area, Sichuan Basin, SW China

• Published in: Energies (Basel) Vol. 13; no. 15; p. 3825
• Main Authors: Chen, Jianxun, Yang, Shenglai, Yang, Dongfan, Deng, Hui, Li, Jiajun, Huang, Yu, Zou, Cheng
• Format: Journal Article
• Language: English
• Published: Basel MDPI AG 01.08.2020
• Subjects: Accumulation; Bitumens; carbonate gas reservoir; Depletion; Experiments; Gas flow; Gas production; gas production rate; Geology; Membrane permeability; NMR; Nuclear magnetic resonance; Oil and gas production; Permeability; Physical properties; pore structure; Porosity; Productivity; recovery; Reservoirs; Scanning electron microscopy; solid bitumen; Spectrum analysis; Studies; Sichuan Basin; China

A variable sedimentary environment and accumulation process leads to a complex pore structure in deep carbonate gas reservoirs, and the physical properties are quite different between layers. Moreover, some pores and throats are filled with solid bitumen (SB), which not only interferes with reservoi...