LH-QC气测录井仪（Gas Logging Instrument）

Gas Logging Instrument(LH-QC)

1)Product principle 

LH-QC Gas logging instrument can achieve two functions: parameter acquisition of drilling engineering and hydrocarbon detection. It can be used for field exploration and geological logging of petroleum, natural gas, coalbed methane and shale gas.

It mainly consists of data acquisition unit, chromatographic analysis unit, hydrogen generator, air compressor, computer, printer and UPS. The data acquisition unit uses the method of CAN bus to connect with sensors, such as drawwork sensor, pump stroke sensor, weight transduser, etc. So it can achieve the acquisition of multi-channel sensor's signal. By means of timely and online analysis, the chromatographic analysis unit can get corresponding concentration of C1-C5 and total hydrocarbon, which helps field technical staff find oil-gas show, interpretation and evaluation.

2)Main Technical Parameters

◎Depth measurement range: 0-9999.99m

◎Single joint error: ≤1%

◎Analysis cycle: 30s (C1-C5)

◎Separating degree: >0.9 (1%C1&1%C2)

◎Carrier gas pressure of chromatogram: 0.11Mpa

◎Oven temperature of chromatogram: 65℃

◎Measurement range of chromatogram: 10ppm-100% (Methane)

◎Base line noise of chromatogram: ≤1%FS

◎Base line wander of chromatogram: ≤2%FS/h

◎Adjustment range of display viewing angle: 0-30°

3)Technical advantages

★ The instrument can be expanded into Compound Logging Instrument.

★ The data acquisition unit uses the method of CAN bus to connect with sensors, so it is easy to increase I/O points, install and disassemble.

★ Full component analysis of C1-C5 can be finished in 30 seconds.

★ Parameters of the instrument are better than similar products, such as carrier gas pressure, oven temperature, etc.

★ The key components are of high quality, which make the instrument stable and long life.

★ Automatic detection of the component carrier gas' flow.

★ The instrument consists of data acquisition unit, chromatographic analysis unit, computer, printer and UPS, and the units are in the single cabinet, which make the instrument easy to maintain.

★ Voice prompt and alarm function (sand samples back out, gas logging value beyond limit, temperature beyond limit)