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Moving source profiling (MSP)Normal access

Authors: W. Brauner, H. Dürschner, B. Koopmann, R. Marschall and K. Peters
Journal name: Geophysical Prospecting
Issue: Vol 36, No 1, January 1988 pp. 6 - 21
DOI: 10.1111/j.1365-2478.1988.tb02148.x
Organisations: Wiley
Language: English
Info: Article, PDF ( 4.96Mb )

Moving source profiling is a modification of walk-away vertical seismic profiling in which the source is moved along a line across a well while the signal is recorded in the well at a certain depth. The method was designed to better predict the target horizon below the drill bit and away from the well location. The method has several advantages in areas of complicated overburden.

In overthrust regions, the receiver is placed below much of the complicated structure to minimize distortion of the reflected signal. The final seismic image is a depth presentation of the subsurface structure and stratigraphy based on wavefront calculations. This depth estimation is obtained without extensive processing of the recorded data. The final result is available within a few days and can help interpreters to decide if and where to sidetrack the well. The method is demonstrated using an example from the overthrust zone of the Lower Saxonian Basin and the Pompeckj's well in Northern Germany.

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