New PDF release: Time Lapse Approach to Monitoring Oil, Gas, and CO2 Storage

By Junzo Kasahara, Yoko Hasada

ISBN-10: 0128035889

ISBN-13: 9780128035887

ISBN-10: 0128036095

ISBN-13: 9780128036099

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

Named throughout (Accurately managed and many times Operated sign System), this new overview approach is gifted to handle extra advanced reservoirs, reminiscent of shale and heavy oil. The ebook additionally discusses lengthy creation tools for superior oil restoration. The tracking of garage zones for carbon seize also are integrated, all assisting 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 reviews from destinations resembling Japan, Saudi Arabia, and Canada, this publication may 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 exact and price effective reservoir tracking expertise referred to as throughout (Accurately managed and normally Operated sign System)
  • Illustrates real-world software via a number of case experiences from round the world

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

Example text

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). 12 MPa). 041 MPa) and 10 C, respectively. It should be carefully noted that the values of VP and VS by increase of temperature may or may not cause thermal cracks due to thermal expansion of mineral grains.

By using this structural model in Fig. 19, we calculated Vzz waveforms before and after the injection of vapor or supercritical CO2 into the heavy oil reservoir (Fig. 20), where Vzz represents the response to vertical force observed by the vertical geophone. We calculated the residual waveforms before and after the injection, which were used for the imaging (Fig. 20). Imaging was made by prestack Kirchhoff depth migration using the residual waveforms instead of backpropagation method. We used smoothed version of input velocity structure to calculate travel times for migration.

2008). In SAGD method, the injector of vapor is the upperhorizontal well and the producer of bitumen oil is the lowerhorizontal well. The distance between the injector and the producer is 5 m. The 3D seismic data in 2002 and 2006 were compared (Figs. 14). There is distinct change between two 3D surveys in 2002 and 2006. The top Devonian at the southern half of the NS reflection line showed distinct lower bending by the decrease of velocity (Fig. 13). The travel-time changes occurred at the whole area of the western wells of H-Q (Fig.

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


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