Direct prediction of the absolute permeability of unconsolidated and consolidated reservoir rock

Guodong Jin*, Tad W. Patzek, Dmitry B. Silin

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

58 Scopus citations

Abstract

A procedure of estimating the absolute rock permeability directly from a microscopic 3D rock image has been developed. Both computer-tomography and computer-generated images of reconstructed reservoir rock samples can be used as input. A physics-based depositional model serves to reconstruct natural sedimentary rock, and generate 3D images of the pore space at an arbitrary resolution. This model provides a detailed microstructure of the rock, and makes it possible to calculate the steady state velocity field in the single-phase fluid flow. In particular, using our model, one can analyze unconsolidated rocks whose micro-tomographic images cannot be obtained. The lattice-Boltzmann method is used to simulate viscous fluid flow in the pore space of natural and computer-generated sandstone samples. Therefore, the permeability is calculated directly from the sample images without converting them into a pore network or solving Stokes' equation of creeping flow. We have studied the effect of compaction and various styles of cementation on the microstructure and permeability of reservoir rock. The calculated permeability is compared with the Kozeny-Carman formula and experimental data.

Original languageEnglish (US)
Title of host publication2004 SPE Annual Technical Conference and Exhibition Proceedings
Pages1287-1301
Number of pages15
StatePublished - 2004
Externally publishedYes
Event2004 SPE Annual Technical Conference and Exhibition - Houston, TX, United States
Duration: Sep 26 2004Sep 29 2004

Other

Other2004 SPE Annual Technical Conference and Exhibition
CountryUnited States
CityHouston, TX
Period09/26/0409/29/04

ASJC Scopus subject areas

  • Fuel Technology
  • Energy Engineering and Power Technology

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