• GRIFCO-5060 Dual Laterolog(DLL)
  • GRIFCO-5060 Dual Laterolog(DLL)

GRIFCO-5060 Dual Laterolog(DLL)

Tool Power180±10VAC / 50±2Hz

Current≤40mA

Depth of Investigation of LLD2,540 mm (100'')

Depth of Investigation of LLS762 mm ( 30'')

Vertical Resolution736.6 mm (29'')

Description

General description
GRIFCO-5060 Dual Laterolog Logging Tool can measure the resistivity of the invaded zones and virgin zone simultaneously, having the characteristics of high measuring accuracy and wide dynamic range. It puts the optimized electronic circuit into the chamber of electrode bar sonde, the upper tool may be used as upper A2' electrode, the lower tool may be used as lower A2' electrode, then the length of combined instrument string can be reduced greatly. GRIFCO-5030 IS is ususlly used in laterolog string.

Specifications                                             

Tool Power

180±10VAC / 50±2Hz  

Current

≤40mA

Depth of Investigation of LLD

2,540 mm (100'')

Depth of Investigation of LLS

762 mm ( 30'')

Vertical Resolution

736.6 mm (29'')

Measurement Range

LLD & LLS

0.2Ω·m -40,000 Ω·m

Measurement Accuracy

LLD & LLS

0.2≤Rt﹤1.0Ω·m :          ±20%


1.0≤ Rt﹤2000Ω·m:              ±5%


2000≤Rt﹤20000Ω·m:         ±10%


20000≤Rt≤40000Ω·m:         ±20%

Measuring Point

1,905 mm (75'')

Mechanical Specifications          

Max Hole Diameter

406.4mm(16'')

Min Hole Diameter

152.4mm(6'')

Logging Speed

25m/min (82ft/ min)

Borehole Fluids

0.015-3.0Ω·m water based mud

Tool OD

100mm ( 3.9")

Length

3,271 mm (128.8")

Tool Weight

101Kg (222.7Lbs)

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