Our Company is mainly engaged in the field of petroleum development of well logging, well testing, coal bed gas automatic drainage and other aspects of technology development and equipment production, and to provide the characteristics of geophysical exploration.
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Carbon hydrogen ratio pulse neutron

Technical parameters

(1)The ground control system:
(a)Logging mode: Inelasticity-capture logging mode, natural gamma logging mode; inelasticity-capture logging mode:
     complete data collection processing and spectrum unfolding display of time spectrum, whole spectrum, capture spectrum and inelastic spectrum;
     working frequency: 20 ~ 10 KHZ
     time spectrum width: 8 us ~ 30 us;
    38 curve processing and display of long and short spacing;
    TTLC adjust to 1350 + 50 CPS;
    logging speed: 46 + 6 m/h.
   Natural gamma logging: background standard deviation ≤10%;
(b)Communication: symbol error rate≤10-5 (about 5 km cable).
  Manchester code MII  Half duple  upstream and downstream 5.729,11.458,22.916kbps
            AMI  Duplex separation  upstream 50,71,100,143,200kbps
                     Downstream 300bps
(2)Ground numerical control interface box:
(a)Input power requirement:AC220V±10%
(b)RJ45 internet access connected to the main control computer;
(c)five-digit LED display of logging depth and logging speed.
(3)Down-hole instrument:
(a) gamma ray detector;
Nal (TI) crystal, energy resolution: ≤ 8.0%
(b) temperature measuring accuracy: + / - 1 ℃;
(c) input voltage: DC90 ~ 150 v
(d) working current: 90 ma (neutron tube not working) / 240 ma (neutron tube working);
(e) the highest working temperature: 150 ℃.
(f) Continuous working time is not shorter than 4 hours.
(g)Structure pressure resistance: 100MPa;
    (h)Dimension:Φ89×3200mm;
(i)Weight:≤ 105Kg;

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