Seismic Reflection Characteristics of Deeply-Buried, Layered, Karstic Carbonate Reservoir Strata

Peiling, Ma (BGP, CNPC) | Dong, Lv (BGP, CNPC) | Yonglei, Liu (BGP, CNPC) | Haiting, An (BGP, CNPC) | Xingyin, Xiong (BGP, CNPC) | Qiang, Xian (BGP, CNPC) | Zujun, Wang (BGP, CNPC) | Xiangzhou, Zeng (BGP, CNPC)

OnePetro 

Based on a weathering crust on the unconformity, erosion likely This paper describes a reservoir study of deeply-buried occurred within 12.8 Ma (Yu et al., 2011). Contemporaneous carbonate karstic rocks in the Tazhong oilfield of the Tarim with uplift and erosion, the region experienced multiphase basin. We first classify seismic reflective characteristics into fracturing, cracking and burial dissolution transformation, in different seismic facies. We then present different seismic which fractures and fracture networks developed to form the reflection types using drilling material,fracture prediction main karst fluid channels, which eventually formed the and seismic attribute analysis, We finally study the current reservoir characteristics.

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