Use of amplitude vs offset seismic techniques to delineate subtle stratigraphic traps - Three field studies

Holton, J E; Lausten, C D; Blott, J E

Title: Use of amplitude vs offset seismic techniques to delineate subtle stratigraphic traps - Three field studies

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Abstract

Three stratigraphically trapped Wyoming fields which were previously held to be seismically invisible have been examined using amplitude vs. offset seismic techniques. This technology examines the seismic signature changes which take place as a function of source and receiver distance. Such signature changes are directly related to lithology and can be predicted in models and confirmed by the actual data. Two oil fields are located in the Powder River basin: Hartzog Draw and Coyote Creek. The third field, Dripping Rock, is a gas field in the Washakie basin of southwestern Wyoming. The fields produce from sands of the Shannon, Dakota, and Almond formations, respectively. All three fields lack significant velocity differences between the reservoir and trap facies. This results in an inability to delineate the sands using conventional seismic techniques. Amplitude vs. offset techniques, however, present easily identifiable anomalies which reliably delineate the extent of the reservoir sands in each of the cases. Amplitude vs. offset technology has been used successfully in numerous exploratory and development situations throughout the Rocky Mountains and other areas of the US and Canada. It has proven to be a very reliable technique to explore subtle stratigraphic plays which remain relatively immature in mature basins.

Authors:

Holton, J E; Lausten, C D; Blott, J E ^[1]

Petrel Robertson Inc., Denver, CO (USA)

Publication Date:: Fri Sep 01 00:00:00 EDT 1989

OSTI Identifier:: 5570694

Report Number(s):: CONF-8910195-
Journal ID: ISSN 0149-1423; CODEN: AABUD

Resource Type:: Conference

Journal Name:: AAPG Bulletin (American Association of Petroleum Geologists); (USA)

Additional Journal Information:: Journal Volume: 73:9; Conference: AAPG Rocky Mountain Section meeting, Albuquerque, NM (USA), 1-4 Oct 1989; Journal ID: ISSN 0149-1423

Country of Publication:: United States

Language:: English

Subject:: 02 PETROLEUM; PETROLEUM DEPOSITS; EXPLORATION; GEOLOGIC TRAPS; SEISMIC SURVEYS; DATA ANALYSIS; WYOMING; GEOLOGIC MODELS; LITHOLOGY; RESERVOIR ROCK; SANDSTONES; FEDERAL REGION VIII; GEOLOGIC DEPOSITS; GEOPHYSICAL SURVEYS; MINERAL RESOURCES; NORTH AMERICA; RESOURCES; ROCKS; SEDIMENTARY ROCKS; SURVEYS; USA; 020200* - Petroleum- Reserves, Geology, & Exploration

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                    Holton, J E, Lausten, C D, and Blott, J E. Use of amplitude vs offset seismic techniques to delineate subtle stratigraphic traps - Three field studies.  United States: N. p., 1989. 
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                    Holton, J E, Lausten, C D, & Blott, J E. Use of amplitude vs offset seismic techniques to delineate subtle stratigraphic traps - Three field studies.  United States.

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                    Holton, J E, Lausten, C D, and Blott, J E. 1989.  
        "Use of amplitude vs offset seismic techniques to delineate subtle stratigraphic traps - Three field studies".  United States.

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@article{osti_5570694,

  title        = {Use of amplitude vs offset seismic techniques to delineate subtle stratigraphic traps - Three field studies},

  author       = {Holton, J E and Lausten, C D and Blott, J E},

  abstractNote = {Three stratigraphically trapped Wyoming fields which were previously held to be seismically invisible have been examined using amplitude vs. offset seismic techniques. This technology examines the seismic signature changes which take place as a function of source and receiver distance. Such signature changes are directly related to lithology and can be predicted in models and confirmed by the actual data. Two oil fields are located in the Powder River basin: Hartzog Draw and Coyote Creek. The third field, Dripping Rock, is a gas field in the Washakie basin of southwestern Wyoming. The fields produce from sands of the Shannon, Dakota, and Almond formations, respectively. All three fields lack significant velocity differences between the reservoir and trap facies. This results in an inability to delineate the sands using conventional seismic techniques. Amplitude vs. offset techniques, however, present easily identifiable anomalies which reliably delineate the extent of the reservoir sands in each of the cases. Amplitude vs. offset technology has been used successfully in numerous exploratory and development situations throughout the Rocky Mountains and other areas of the US and Canada. It has proven to be a very reliable technique to explore subtle stratigraphic plays which remain relatively immature in mature basins.},

  doi          = {},

  url          = {https://www.osti.gov/biblio/5570694},
  journal      = {AAPG Bulletin (American Association of Petroleum Geologists); (USA)},

  issn         = {0149-1423},

  number       = ,

  volume       = 73:9,

  place        = {United States},

  year         = {Fri Sep 01 00:00:00 EDT 1989},

  month        = {Fri Sep 01 00:00:00 EDT 1989}

}

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