Search
Now showing items 11-13 of 13
Acoustic Logging While Drilling (LWD): Experimental Studies with Anisotropic Models
(Massachusetts Institute of Technology. Earth Resources Laboratory, 2002)
A model LWD tool (0.16" ID, 0.4" OD) was built to investigate its operation in
an anisotropic formation. The tool consists of a dipole source and six dipole receivers
capable of operating at several hundred kHz. The ...
An Experimental Study Of Seismoelectric Signals In Logging While Drilling
(Massachusetts Institute of Technology. Earth Resources Laboratory, 2005)
Acoustic logging while drilling (LWD) may be complicated because of contamination by waves propagating along the drill collar (the tool waves). In this paper we propose a new method for separating tool waves from the true ...
Dispersive Wave Analysis – Method and Applications
(Massachusetts Institute of Technology. Earth Resources Laboratory, 2005)
A technique for estimating the dispersion characteristics of propagating waves as measured by an array is detailed. The technique consists of bandpass filtering the data through a filterbank and then processing the filtered ...