The influence of pore fluids on seismic wave velocities under high temperature and high pressure conditions

Development of a new technique with gas apparatus at AIST, Japan

Keigo Kitamura, Koji Masuda, Miki Takahashi, Osamu Nishizawa

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

In order to study the effects of different pore fluids on elastic-wave velocities, we developed a new system for measuring elastic wave velocities (Vp and Vs) under high-pressure conditions up to 200 MPa and high-temperature conditions up to 200°C using a gas-medium high-pressure and high-temperature apparatus. During the Vp and Vs measurements, we can also control the pore pressures from outside the rock samples. We measured Vp and Vs of the Berea sandstone samples under three different pore-fluid conditions including dry (without pore-fluids), in the presence of pore water, and in the presence of pore gas. Here we describe our new measurement technique and establish the capacity of the gas apparatus and measurement technique and their potentialities for the solution of geological problems.

Original languageEnglish
Pages (from-to)1515-1518
Number of pages4
Journalearth, planets and space
Volume58
Issue number11
DOIs
Publication statusPublished - Jan 1 2006
Externally publishedYes

Fingerprint

seismic waves
seismic velocity
seismic wave
wave velocity
Japan
elastic wave
porosity
fluid
fluids
gases
gas
elastic waves
pore pressure
porewater
sandstones
rock
rocks
water

All Science Journal Classification (ASJC) codes

  • Geology
  • Space and Planetary Science

Cite this

The influence of pore fluids on seismic wave velocities under high temperature and high pressure conditions : Development of a new technique with gas apparatus at AIST, Japan. / Kitamura, Keigo; Masuda, Koji; Takahashi, Miki; Nishizawa, Osamu.

In: earth, planets and space, Vol. 58, No. 11, 01.01.2006, p. 1515-1518.

Research output: Contribution to journalArticle

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