Detailed Product Description

Application Areas:   

SGX3A Computerized Logging System is applicable to production logging and engineering logging in the middle and late stage of oil exploration and development, characteristic evaluation of multiple parameters in the oil reservoirs, development logging and perforation.

It mainly consists of 8 units, namely, the oscilloscope, the display, the depth/power supply controller, the upper industrial control computer, the lower industrial computer, the mouse/keyboard, the DC power supply and the plotter.

Characteristics

1. The network-based system employs a 10/100M self-adapting network card to connect the upper and lower computers;

2. The lower computer utilizes the internationally popular built-in PC104 module and runs on DOS system, solely possessing, distributing and regulating the system resources. It is mainly used for the acquisition of various signals and the control of all kinds of parameters so that the real-time and stable acquisition of the data can be efficiently ensured. After the primary processing, the data are transmitted to the upper computer via the 100M Ethernet network card.

3. The upper computer works on a Windows XP system, which facilitates network communication data transmission and the secondary data process, display, plot, storage and pre-interpretation of the data at wellsite.

4. The system is compatible with diverse downhole tools for multiple test projects. In addition, it features virtual oscilloscope function, strong fault tolerance and flexible expansion of functions.

5. GPRS mobile network makes the remote transmission of logging data possible, which greatly improves system maintenance at well site and data interpretation by information center at the base.

6. The CBL-to-density curves can be filtered in FFT mode at real time during the logging process and thus become clearer and more eye-pleasing.

Technical Specifications:

1. Data format: The data can be recorded in LA716, TXT, DAT, SOU and other formats. The 

   tested raw data and calculated values are also recorded in real time.

2. Data Recording Media: The data can be recorded in the hard disc of the computer, on the

   820DL/G thermal sensitive plotter or on the 128M USB disc;

3. Ambient temperature: 0+50
4. Environment humidity: 95%,no condensation at 45
5. Vibration resistance: 3g, 10-60HZ three-D when not working
6. Impact resistance: 15g 11ms three-D when not working,
7. Reliability:    Mean time between failure MTBF≥800h
8. Maintenance     Mean time to repair MTTR 0.5h

9. Oscilloscope       Taiwan Guwei GOS620B 20MHz dual-track oscilloscope

10. Display            17SAMSUNG 793MB, resolution 1287×1024

11. Plotter               820DL/G thermal plotter, resolution 200 dot/inch, paper speed 6"/sec

12. UPS Power Supply: SANTAK in-line, 2KVA, input voltage118 300 (VAC), frequency 50±

    5%Hz, time: 132m/fully loaded

13. GPRS mobile MODEM: ETPro VI 56K GPRSMODEM

14. Power system for downhole system:   0-300VDC, 1.2AUPS, ripple noise CV≤5mVrms,

     CC≤15mVrms, short circuit protection

15. Upper level computer: ROCKY-4786EVG/P2.4/256DDR/80G/3.5" FD/52XCDROM/USB2.0/

     dual ET ports

16. Lower level guest computer   PC104/ Pentium(300MHz) CPU /128M /512M CF card /3.5"

      FD /ET port

17. Network communication standards   GPRS wireless communication protocol is employed

     between upper level host computer and the central base station and the 10M/100M Self-

     adjusting Ethernet interface protocol is used for the communication between the upper host

      computer and the lower client computer.

18. DAQ interface
  Digital channel  16-digit parallel I/O channel, control the channel of the relay board.