发明名称 |
Method for determining discrete fracture networks from passive seismic signals and its application to subsurface reservoir simulation |
摘要 |
A method for mapping a fracture network that includes determining a source of at least one seismic event from features in recorded seismic signals exceeding a selected amplitude ("visible seismic event"). The signals are generated by a plurality of seismic receivers disposed proximate a volume of subsurface to be evaluated. The signals are electrical or optical and represent seismic amplitude. A source mechanism of the at least one visible seismic event is determined. A fracture size and orientation are determined from the source mechanism. Seismic events are determined from the signals from features less than the selected amplitude ("invisible seismic events") using a stacking procedure. A source mechanism for the invisible seismic events is determined by matched filtering. At least one fracture is defined from the invisible seismic events. A fracture network model is generated by combining the fracture determined from the visible seismic event with the fracture determined from the invisible seismic events. |
申请公布号 |
AU2010363963(A1) |
申请公布日期 |
2012.08.16 |
申请号 |
AU20100363963 |
申请日期 |
2010.11.08 |
申请人 |
MICROSEISMIC, INC. |
发明人 |
WILLIAMS-STROUD, SHERILYN C.;EISNER, LEO |
分类号 |
G01V1/28 |
主分类号 |
G01V1/28 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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