The abundance and main characteristics of highly conductive filtration ways when developing oil and gas fields
UDC: 622.276.1.4
DOI: -
Authors:
CHEN-LENG-SON YURY B.
1,
AKHAPKIN MIKHAIL YU.1,
DYACHENKO ANATOLY G.1,
MIRONOV DMITRY T.1,
PONOMAREV ANATOLY K.1
1 Scientific Research Institute for System Analysis of the National Research Centre "Kurchatov Institute", Moscow, Russia
Keywords: highly conductive flow paths, oil and gas fields, tracer studies, filtration rate, permeability, path length, field development
Annotation:
The authors of the article overview current issues of the structure and highly conductive filtration paths’ (HCFP) when developing oil and gas fields. HCFP means special zones (decompression and fracturing), faults, channels, layers and other collector variety, which independently or among similar ones, being oriented in the productive reservoir volume and possessing abnormally high filtration and capacitance properties determine the heterogeneous filtration field’s nature in the reservoir during its development, the coverage and effectiveness of the impact on the reservoir, the structure and parameters of the residual oil (gas) pillars in the reservoir. HCFP’s main characteristics are described, which include calculated filtration rate, calculated volume (capacity), nominal length, calculated effective section, calculated permeability, estimated flow proportion passing through the HCFP. The HCFP prevalence studies results in oil and gas fields in different regions of Russia and abroad are presented. The HCFP positive effect on productive reservoirs development effectiveness at the initial stage of a single-phase filtration and the negative effect of the HCFP existence in the reservoir on the nature and hydrocarbons displacement efficiency from the productive reservoir by water or gas are shown.
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