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Digital Logging System

 

CHJHQ - 2D is a digital logging system specially designed for the convenience of field work, which can connect with various kinds of pipe and log. Because this system uses a series of advanced technology, it improves the use of one ground-based instrument controlling one heavy logging probe into one ground-based instrument controlling various kinds of logging probe, it also includes the deep measurement, the powersupply and so on. The instrument has a light weight and simple operation and maintenance, which can be connected to the tube type, which can beaseismatic, temperature-resistant, moistureproof and high reliability.


Penerangan Produk
CHJHQ - 2D integrated digital control logging system is a new generationof digital logging equipment., which based on summarizing more than 20years in production and successful experience of digital loggingequipment's research and development, following the international newtrend of development of the small digital logging technology, andcombining with China's national conditions. This set of equipment has thefollowing advantages over other similar products:
(1) the measurement parameters are large and the scope is wide.
(2) the reliability is high and the Mean Time Between Failure (MTBF) islong.
(3) portable, convenient for mobile transportation.
(4) operating and maintenance is simple.
The main reason for these advantages is that the design anddevelopment is absorbing other's merits, fully considering the varioutsneeds of the industry, and considering the competitiveness in theinternational market. CHJHQ - 2D system can measure than 20 kindsparameters, covered with metal ore, coal, oil field, radioactive, hydrology,and other areas of the various user's requirements, with greatcost-effective.


Ciri-ciri & Manfaat
1. Standardization and modularity
In the CHJHQ - 2D integrated digital control logging system, bothhardware and software, no matter probe or ground box, signalmeasurement or signal transmission, have adopted the standardizationand modularization design concept. The benefits of standardization andmodularity Product is excellent in products' consistency , maintainabilityand reliability. It is convenient to operate and maintain. The accessoriesare 100 percent universal and can be expanded at any time.
2. Fully underground digital and measurement's signal transmissionAll the signals from the underground probe are converted by A/D andsent to the ground after being encoded. The underground probe is atwo-way street communication. Digital code transmission measurementsgreatly improve the anti-jamming capability, and the system itself cancorrect the error code, which guarantees the quality of the signaltransmission.
3. Oversampling technology to obtain the most formation informationThe CHJHQ-2D system uses the sampling method for the collection offormation information. The oversampling amount increases with thedecrease of the logging speed, and over sampling ensures the need fordigital filtering, enhancing spatial resolution and screening usefulinformation.
4. Small size of the underground probe with high pressureCHJHQ - 2D probe is almost diameter Φ40 and Φ50 mm, the appearanceof length 1000~1500mm size. The probe is made of stainless steel.Resistance to 20~40 MPa water pressure, temperature of 70 ~ 90 ℃.Special orders can be 60 MPa water pressure resistance, temperature120 ℃ resistance.


Parameter
1. The use of the environment:Power supply: 220V, 50 Hz;Using theenvironment temperature: -20℃ ~ 45℃;Using the environmenthumidity: 90% or less (45℃)
2.The depth measurement system:Depth measurement range: 0 ~9999.99 m;Depth resolution: 0.28 mm;Speed measurement range: 0 ~9999m/h;Deep optical pulse signal: 3600 pulses per meter
3.Signal transmission system: Bottom hole output signal: bipolarcoding;Communication with the computer: RS232 or USB;Theunderground signal detection level: plus or minus 0.5 V ~ plus or minus12V
4. Figure out the depth of the graph; 1:10; 1:50. 1:100. 1:0; 1, 50, 0, etc.
5. The drawing accuracy:8 points per millimeter (curve);64 pixels persquare millimeter (image method)

 

Digital Logging System

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