• GRIFCO-5400/5401/5402/5403/5404/5405 Multi-pole Array AcousticTool(MPAA)
  • GRIFCO-5400/5401/5402/5403/5404/5405 Multi-pole Array AcousticTool(MPAA)

GRIFCO-5400/5401/5402/5403/5404/5405 Multi-pole Array AcousticTool(MPAA)

Tool Power180±10VAC / 50±2Hz

Transmitters2 cross dipole transducers 1 monopole transducers

Receivers4 x 8 receiver array

Description

GENERAL DISCRIPTION
Multi-pole Array Acoustic Tool combines monopole acoustic, dipole acoustic and cross dipole technology together. It has a unique advantage in measuring shear rate of soft formations and evaluation of stratigraphic velocity anisotropy. Scope of acoustic logging data application has been greatly expanded.

Specifications                                             

Tool Power

180±10VAC / 50±2Hz  

Transmitters

2 cross dipole transducers 
1 monopole transducers

Receivers

4 x 8 receiver array

Measurement Range

Compressional Wave Interval      

130~900 us /m (39.6~274.2 us /ft)

Shear Wave

260~3000 us /m (79.2~913.8 us /ft)

Stoneley Wave

400~3000 us /m (121.8~913.8 us /ft)

Measurement Accuracy

DTC

±3%

DTS

±5%

DTST

±5%

Measuring Point

Source Space (Monopole)

3,600mm (141.7″)

Source Space (Dipole)

3,000mm (118.1″)

Receiving Space

150mm (5.9″)

Mechanical Specifications        

Hole Diameter

120 mm~450mm(4.72″~17.7″)

Logging Speed

9.1m/min (30.3 ft/min)

Tool OD

99mm (3.89'')

Length

10,400 mm (409.45 '')

Tool Weight

354kg (780.3Lbs)

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