Chapter 6

Identification and Prediction of Fractures in Volcanic Reservoirs

Fracture is a part of the volcanic reservoir space that connects pores and seepage pathways. Volcanic rock fractures and their occurrences can be investigated and evaluated based on geological study on fractures and analysis of logging response characteristics, using acoustic and electrical image logging and conventional logging. The development and effectiveness of fractures can be evaluated according to the electrical conduction mechanism of fractures, such as fracture parameters derived from microresistivity scanning image logs and dual laterologs. Based on fracture identification and interpretation in single wells, seismic data can be calibrated by other log data. ...

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