1、GENERAL INTRODUCTION
The micro-resistivity scanner acquires depth-dependent resistivity image to identify fracture, evaluate reservoir and study sedimentary face and structure, having unique advantages in complex lithology and fractured reservoir exploration.
2、TECHNICAL SPECIFICATIONS
|
Max temperature |
180+10VAC/50+2Hz |
|
Max pressure |
160-530mm (6.3-20.9in) |
|
Length |
Water based mud |
| OD |
540m'h (1773fth) |
|
Weight |
0.2-10000Ω•m |
|
Power |
180+10VAC/50+2HZ |
|
Borehole size |
160-530mm(6.3-20.9in) |
|
Mud type |
Water based mud |
|
Recommended logging speed |
540m/h (1773fth) |
|
Measurement range |
0.2-100002Ω•m |
|
CAL |
150~530mm (5.9~20.9in) |
|
DIP |
0°-90° |
|
DIP AZI |
0°-360° |
|
Rotation angle |
~360° |
|
Accuracy |
CAL: +5mm (0.20in) |
|
DIP |
+0.2°(when DEV>3° |
|
DIP AZI |
±2° |
|
Rotation |
±2° |
3、SYSTEM FEATURES
- 6 arms with 1 polar pad each; every pad has 25measuring electrodes;
- 3 measuring modes: fast imaging scanning, slow imagingscanning and deviation measuring;
- The calibration of measured resistivity to ensuremeasurement accuracy and image quality;
- 6 independent arms to provide 6 caliper curves.
4、APPLICATION
- Fracture identification, thin bed analysis, reservoirevaluation as well as sedimentary face and structure study
