1、GENERAL INTRODUCTION
The system works as the surface control of perforation andcoring, which mainly consists of wiring control system, acquisitionsystem, logging power system, explosion power system, depthsystem, computer and so on.
2、TECHNICAL SPECIFICATIONS
| Analog signal measurement | |
| Measurement signal range | 0 - ± 9000mV |
| Non-linearity | No larger than 1% when ranges among 50mV to 9000mV |
| Max measurement error | No larger than 1mV when ranges among 0mV to 50mV |
| Pulse value measurement | |
| Measurement range | 1CPS - 5000CPS |
| Error | ± 1CPS |
| Sampling rate Optional |
8, 16, 32, 64, 128 point/m or 10, 20, 40, 80 point/m |
| Depth measurement range | |
| Depth resolution | 10mm (0.39in) |
| Max depth | 9999.99m (32,808ft) |
| Max logging speed | 5000m/h (16,404ft/h) |
| Max trip in speed | 9999m/h (32,805ft/h) |
3、SYSTEM FEATURES
- GR and CCL measurement;
- Perforation and bridging functions;
- Expandable to conventional logging items, such as VDL,water injection profile, production profile and open hole.
4、APPLICATION
- Perforation and coring logging
