APS’s Full-Wave Sonic Tool is a formation slowness measurement tool designed for wireline-equivalent logging while drilling (LWD) and measurements after drilling (MAD) services. This full-waveform sonic device adds Δt (delta T) measurements to the “Triple Combo” LWD system, providing faster-than-fluid compressional wave (Δtc) and shear wave (Δts) velocity data.
Geophysicists can use Sonic sensor data to minimize uncertainty by tying time-based seismic data directly in with depth-based well log data. The rock’s mechanical properties can also be calculated using APS Sonic density data, for use in a borehole stability analysis and in the completion design of the well.
Applications
SureLog-FWS Technical Data Sheet
General Specifications | |
Diameter | 4.75 in. (121 mm), 6.75 in. ( 172 mm) and 8.0 in. (204 mm) |
Measurement Range | 40-189 µsec/ft |
Accuracy | ±1 µsec/ft |
Precision | 1/2 µsec/ft |
Vertical Resolution | 3 ft |
Recording Time | 200 hours |
Environmental | |
Operating Temperature | 32˚ to 302˚F (0˚ to 150˚C); 347˚F (175˚C) option |
Maximum Pressure | 20,000 psi (137.9 MPa) |
General Specifications | |
Diameter | 4.75 in. (121 mm) |
Length | 17.3 ft (5.28 m) |
Measurement Range | 40-189 µsec/ft |
Accuracy | ±1 µsec/ft |
Precision | 1/2 µsec/ft |
Vertical Resolution | 3 ft |
Recording Time | 200 hours |
Environmental | |
Operating Temperature | 32˚ to 302˚F (0˚ to 150˚C); 347˚F (175˚C) option |
Maximum Pressure | 20,000 psi (137.9 MPa) |
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