Formation pore structure prediction is of great importance in tight gas sands evaluation, and
NMR logs are considered to be an advantage in this aspect. The common method that is …

In this paper, based on the analysis of lab experimental results of 20 core samples, which
were drilled from tight sandstone reservoirs of Sichuan basin, and simultaneously applied …

Tight sandstone reservoirs identification and evaluation face a great challenge due to the
characteristics of ultra-low porosity, ultra-low permeability, complicated pore structure and …

Capillary pressure (Pc) curves are important petrophysical parameters to characterize
reservoir rock properties in hydrocarbon fields. Determination of Pc values conventionally …

In this research, mercury injection capillary pressure (MICP) experiments and nuclear
magnetic resonance (NMR) experiments were carried out on 19 reservoir core samples …

Permeability, irreducible water saturation and other information associated with the pore
size, such as capillary pressure, are very important input parameters in tight gas reservoir …

By analyzing hundreds of capillary pressure curves, the controlling factors of shape and type
of capillary pressure curves are found and a novel method is presented to construct capillary …

Tight sandstone reservoir evaluation and characterization faced great challenge by using
conventional well logging data due to the complicated pore structure. To improve tight …

Pore structure reflected from capillary pressure curves plays an important role in low-
permeability formation evaluation. It is a common way to construct capillary pressure curves …

The accurate prediction of capillary pressure curves is of great significance for the
evaluation of pore structure in tight sandstone reservoirs. In this paper, a hybrid model is …