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Quick Details

  • Place of Origin: Shandong, China (Mainland)
  • Model Number: MRIL-P
  • Max. Temperature: 350oF/177oC
  • Max. Pressure: 20000PSI
  • Maximum torque limit: 1000 ft-lbs
  • Maximum compression limit: 37,000 lbs
  • Maximum tension limit: 32,000 lbs
  • Sonde OD: 4 7/8 in
  • Length: 50.38feet
  • Weight: 1275 lbs

Packaging & Delivery

Delivery Time Shipped in 90 days after payment


Product Description



The Magnetic Resonance Imaging Logging (MRIL) tool is a centralized tool that provides porosity and other petrophysical parameters related to the overall productivity of hydrocarbons in the downhole environment. The tool does this by measuring hydrogen atoms located within a thin-walled, cylindrical-volume concentric to the axis of the tool. The main components of the tool consists of a strong permanent magnet, which produces a gradient magnetic field used to polarize hydrogen atoms, and an antenna which both transmits a Radio Frequency (RF) signal and receives an echo response.




MRIL-PRIME includes three main parts:


D series Sonde (MRSN)


D series Electronic Circuit (MREC)


D series capacitor (MRCC)


MRIL sonde includes three parts:


A strong ferrite magnets (main magnet);


Two stronger magnetic stratum polarization samarium - cobalt permanent magnets;


RF antenna embedded in the shell of FRP probe.


MREC includes the following parts:


Transmission circuit;


Receiving circuit;


Circuit to control, calibrate the instruments and do the data communication;


Supply circuit.


MRCC provides the extra energy storage function, such as:


Filter circuit, used to eliminate the interference between MRIL data acquisition and DITS communication;


Relay on the eliminator, used to solve compatible problems of auxiliary power supply between MRIL and other DITS tools under the supply of W2







Magnetic Resonance Imaging Logging Tool, MRIL-P with 4 7/8 Inch Sonde


 Maximum working temperature:                   350oF/177oC

 Maximum working pressure :                        20,000 psi

 Maximum torque limit:                             1000 ft-lbs

 Maximum compression limit:                       37,000 lbs

 Maximum tension limit:                             32,000 lbs

 Sonde OD



 4 7/8 in.

 50.38 feet

 1275 lbs


 Tool diameter


 Borehole Size



 4 7/8"in.

 5.75 in.

 6.5 in.

 Open/Cased hole:                              Open hole only

 Borehole fluids:       No restrictions - any type drilling mud or air

 Rugosity effect:               No effect if not in sensitive volume

 Mudcake effect:                  None, if not in sensitive volume

 Mud res. lower limit:      0.02 Ohm*m (with proper fluid excluder)



 Tool position:


 1.     Ideal when centerline of tool is close to center line of borehole, +/- 0.5 inch.

 2.     Centralizers and standoffs are required to provide proper centralization.


 Signal Type:      Magnetic resonance signal,500KHz - 800KHz

 Sensor Type:        Tuned RF coil, permanent magnet

 Sampling Rate:         Variable by application and/or user

 Telemetry System:      DITS Combinable and DITS

 Combinability:                     TBD







 0-100 PU

 Free Fluid Index:        


 0-100 PU



 0-100 PU

 T2 Distribution 



 Accuracy:        +/- 1 PU or 5 % whichever is greater 

 Repeatability:    1 PU Standard deviation on porosity measurement

 Vertical Resolution:

 6 feet in standard mode

 4 feet in high resolution mode

 2 feet in stationary mode


 Cablehead Voltage:       120 VAC +/- 18 VAC at 60 Hz

 Instrument Current:       400 mA

 Transmitter Power:       < 1.5 KW average

 Transmitter Voltage:      +/- 300 VDC at cablehead

 Transmitter Current:     3 Amaximum

Minimum Rm Limits

 Borehole Size (inches)


 Minimum Rm (ohm-m):


Note: These values are based on using 4-wire power delivery and a maximum of 25,000 feet of cable.

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