Single well seismic imaging of a gas-filled hydrofracture
A single well seismic survey was conducted at the Lost Hills, Ca oil field in a monitoring well as part of a CO2 injection test. The source was a piezoelectric seismic source and the sensors were a string of hydrophones hanging below the source. The survey was processed using standard CMP reflection seismology techniques. A potential reflection event was observed and interpreted as being caused by a near vertical hydrofracture. The radial distance between the survey well and the hydrofracture is estimated from Kirchoff migration using a velocity model derived from cross well seismic tomography. The hydrofracture location imaged after migration agrees with the location of an existing hydrofracture.
- Research Organization:
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Sponsoring Organization:
- USDOE. Assistant Secretary for Fossil Energy. Gas (US)
- DOE Contract Number:
- AC03-76SF00098
- OSTI ID:
- 821042
- Report Number(s):
- LBNL-53601; R&D Project: 522001; TRN: US200407%%151
- Resource Relation:
- Other Information: PBD: 19 Aug 2003
- Country of Publication:
- United States
- Language:
- English
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