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Quick Details

  • Place of Origin: Shandong, China (Mainland)
  • Brand Name: CNPS
  • Model Number: Telemetry And Gamma Catridge D4TG
  • Max. Temperature: 350F
  • Max. Pressure: 20000PSI
  • O.D.: 3.63in

Packaging & Delivery

Packaging Details Wooden for D4TG - Telemetry and Gamma Catridge for oil and gas open hole well logging tools
Delivery Time 30-365days
D4TG - Telemetry and Gamma Catridge  for  oil and gas open hole well logging tools   
Product Description

 

It receives the command download by the surface system, then transmit this command to the logging tools after decoding. It also can code and amplify the data from the logging tools and upload it to the surface system. Meantime, multiple analog could be acquired.

 

Advantages

 

 

It mainly consists of photomultiplier and more circuit boards. And the circuit boards included high voltage board,  pre-amplifier board, power panel, emission/receiver board, analog board, BCU board etc.

 

Specifications

 

DIMENSIONS AND RATIGS

 Maximum working temperature:                                     350oF

 Maximum working pressure:                                         20,000 psi

 Maximum Hole:                                                     27 in.

 Min. Hole:                                 4.5 in.

 Max OD

 Length

 Weight

 3.63 in.

 7.2feet

 110lbs

 

BOREHOLE CONDITIONS

 Borehole Fluids:                   Salt      Fresh      Oil        Air

 Recommended Maximum Logging Speed:                                60 ft./mi

 Tool  Positioning :                                       Centralized                     Eccentralized.

 

HARDWARE CHARACTERISTICS

 Sensor Type:       Scintillator Gamma Ray Detector,    Analog Z-Axis Accelerometer

 No. Sensors:                                                         2

 Sampling Rate:                                                     4 or 12 samples/ft.

 Uplink Words / Frame:640 wpf(Max.).

 Telemetry System:   DITS

 Combinability:        ALL DITS TOOLS

 

MEASUREMENT

 Principle:                                                       Natural GammaRay

 Range:                                                         0 - 1000 API

 Vertical Resolution:               10-36 in.(standard);             12 in.(enhanced)

 Depth of Investigation:           4 in.(50%);                     11 in.(90%)

 Sensitivity:                       Acc =3.1V/g = ± 5% or ± 7%

                                  API (whichever is greater)

 Accuracy:                       1 %, of tool movement

 Primary Curves:                  Gamma Ray,                  Z-Axis Accelerometer

 Secondary Curves:               na

 

ELECTRICAL SPECIFICATIONS

 Cablehead Voltage:              120 VAC, 60 Hz, Instrument Power

 

CALIBRATION

 Primary:                          API Pits inHouston

 Secondary:                       Thorium Sleeve

 Well Site:                         Thorium Sleeve

 

PHISICAL STRENGTH (Tool Joints)

 Tension:                        150,000 lb

 Compression:                   150,000 lb

 Torque:                          600 ft.- lb.

 

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