Download Time Lapse Approach to Monitoring Oil, Gas, and CO2 Storage by Junzo Kasahara, Yoko Hasada PDF

By Junzo Kasahara, Yoko Hasada

Time Lapse method of tracking Oil, fuel, and CO2 garage via Seismic Methods supplies a brand new expertise to geoscientists, good logging specialists, and reservoir engineers, giving them a brand new foundation on which to steer judgements on oil and gasoline reservoir administration.

Named throughout (Accurately managed and usually Operated sign System), this new evaluate technique is gifted to deal with extra complicated reservoirs, corresponding to shale and heavy oil. The e-book additionally discusses lengthy construction tools for more desirable oil restoration. The tracking of garage zones for carbon seize also are integrated, all aiding the petroleum and reservoir engineer to completely expand the lifetime of a box and find untapped wallet of extra oil and gasoline assets. Rounded out with case experiences from destinations resembling Japan, Saudi Arabia, and Canada, this booklet can help readers, scientists, and engineers alike to higher deal with the lifetime of their oil and gasoline assets and reservoirs.

  • Benefits either geoscientists and reservoir engineers to optimize advanced reservoirs reminiscent of shale and heavy oil
  • Explains a extra actual and value effective reservoir tracking expertise referred to as throughout (Accurately managed and many times Operated sign System)
  • Illustrates real-world program via a number of case reports from round the world

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Extra resources for Time Lapse Approach to Monitoring Oil, Gas, and CO2 Storage by Seismic Methods

Sample text

Using oil-sand samples from the JACOS field, Kato et al. (2008) measured the VP and VS by increasing temperature. Fig. 9 3D model to test the aperture effect. Geophones are assumed to consist of the existing TNO 30 m deep ones and some additional ones (A). Results (B): Top left: Depth slice at 620 m depth, top right: Depth-NS (Z-Y) section; Bottom left: Depth-EW (Z-X) section; bottom right: 3D image. 10 Addition of an NW-SE line and imaged zone (left) and improvement of depth resolution for the NS-depth (right).

2008. Monitoring an oil-sands reservoir in northwest Alberta using timelapse 3D seismic and 3D P-SV converted-wave data. 15 Results of JACOS SAGD time lapse. The rms values of trace amplitude differences within the reservoir on each trace location. Warm colors mean higher rms values of amplitude differences, and cold colors represent lower values. , 2008. Monitoring an oil-sands reservoir in northwest Alberta using timelapse 3D seismic and 3D P-SV converted-wave data. ) The following section gives the ACROSS time-lapse simulation study in the SAGD field in Hangingstone operational area in Alberta, Canada.

In their experiment, the confining pressure of 900 psi seems a bit low to resist the thermal expansion. In addition to thermal expansion effects, dehydration of some hydrous minerals in oil-sand samples may occur at more than 100 C. The dehydrated water could affect the velocity measurement. Although effects of thermal expansion and dehydration may not be excluded in their experiment, the general tendency of velocity decreases with temperature increase can be acceptable. Because the temperature at oil production is approximately 260 C, the Kato experiment suggests the great decrease of VP and VS by the injection of high temperature vapor to the oil-sand layers if thermal expansion and dehydration effects did not occur in their experiment.

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