Common reflection-point stacking or crosswell seismic data: Friendswood, Texas
Conference
·
OSTI ID:80169
- Univ. of Calgary, Alberta (Canada)
Cross-well seismic data, collected near Friendswood, Texas by Exxon Production Research Company, are processed using a novel common reflection point (CRP) stacking method. The data set consists of a total of 98 shot records, each with 96 traces, from two 1,000-ft cased boreholes, 600 ft apart. Data processing includes: preprocessing, tube-wave suppression, direct wave removal, and wavefield separation into upgoing and downgoing reflections. The separated reflection wavefields are then sorted into CRP gathers, where horizontal and vertical moveout are correct. Stacked traces are obtained by summing the corrected CRP gathers over various depths. The stacked section is f-x deconvolved to attenuate random noise and stretched from time to depth. The processing method described in this paper provides a rapid way to do cross-well reflection imaging. A comparison of the stacked cross-well section to the surface seismic section recorded in the same area shows the much higher frequency content of the cross-well section.
- OSTI ID:
- 80169
- Report Number(s):
- CONF-941015--
- Country of Publication:
- United States
- Language:
- English
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