| 摘要 |
A method of identifying a bed boundary (30) in a subterranean formation (14) by processing data measured by an induction logging tool (10). An interferometric method compares recorded voltages and/or phases recorded at axially spaced apart receivers (22, 24) on the logging tool (10). A transmitter (26) is on the logging tool and set between the receivers (22, 24), where the receivers (22, 24) are equally spaced apart from the transmitter (26). The transmitter (26) emits a. signal having frequencies up to around 50 kHz. |
