Acoustics – Geophysical or subsurface exploration – Well logging
Patent
1999-06-18
2000-08-15
Dang, Khanh
Acoustics
Geophysical or subsurface exploration
Well logging
310334, G01V 140
Patent
active
061021520
ABSTRACT:
A sonic or acoustic tool is disclosed which includes a transmitter with reduced transmitter spawned noise. The transmitters are either monopole or dipole depending on the orientation of ports in a chamber divided by a piston driven by an actuator. The transmitter size is limited only by the diameter of the tools itself because the transmitters are oriented within the tool parallel to the axis of the tool.
REFERENCES:
patent: 5043952 (1991-08-01), Hoyle et al.
Birchak James R.
Mandal Batakrishna
Masino James E.
Minear John W.
Ritter Thomas E.
Dang Khanh
Gilbreth J. M. (Mark)
Halliburton Energy Service,s Inc.
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