Method for determining the dip angle of geological formations tr

Details Method for determining the dip angle of geological formations tr Method for determining the dip angle of geological formations tr

1981-07-15

1985-01-22

Wilbur, Maynard R.

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Well logging

73152, 367 27, 367 30, 367 40, 367 29, 367 47, G01V 140

Patent

active

044956053

ABSTRACT:
Acoustic signals are transmitted in a direction substantially perpendicular to the borehole axis, from different levels of at least three determined generatrices of the borehole wall. Reflected acoustic signals are received from the same direction at different levels of these generatrices. A train of signals is derived from each reflected acoustic signal and at least a group of significant elements of this signal train is selected. The groups of significant elements of the signals obtained for the different generatrices are correlated. The interval between signal trains corresponding to the maximum correlation corresponds to one and the same geological formation and is representative of the dip angle of this formation.

REFERENCES:
patent: 3376950 (1968-04-01), Grine
patent: 3883841 (1975-05-01), Norel et al.

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