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YOUR NMR EXPERTS: Get More From Your Core

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H2 Laboratories

Your NMR Specialists

  • HOME
  • WHO WE ARE
    • Our Story
    • Our NMR Experts
    • Our Equipment
    • Where to Find Us
  • WHAT WE DO
    • Well Log Calibration
    • Fluid Typing Using 2D Correlation Maps
    • Capillary Pressure (Pc)
    • Flow Studies
    • Gas Isotherms
    • NMR Cuttings Measurement
  • WHO WE SERVE
    • Academia
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    • Service Labs
    • Industries Outside Oil & Gas
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Our Equipment

Our lab is outfitted with the entire Oxford Instruments GeoSpec range of instruments, from 2MHz to 23MHz operating frequency, handling samples from cuttings to 4 inches in diameter, with integrated software and accessories to perform routine core analysis such as cleaning and saturation, as well as advanced petrophysics research.  Sample size requirements and specific uses of each instrument are listed here.

2MHz – This instrument is used when calibrating downhole log data.  It is also used for any measurements done at reservoir conditions (pressure & temperature).  Samples can be 1″ or 1.5″ in diameter and no longer than 2-3” in length.

8MHz – Used for whole core analysis.  Samples can be up to 4” in diameter and 4’ long.

12MHz – This instrument is particularly useful for tighter rock samples.  The sensitivity of NMR instruments increases with operating frequency.  The greater sensitivity of a 12MHz instrument means that adequate signal can be acquired from small pores in less time, with fewer scans. The GeoSpec 12Mhz system utilizes the Oxford Instruments Q-Sense technology that allows this 12Mhz system to perform equally or better than other labs 20MHz instruments.  The 12MHz instrument allows for better resolution in T2 spectra, more accurate porosity measurements with tight rock cores, and better defined 2D correlation maps.  Samples can be 1” or 1.5” in diameter and maximum of 2” in length.

23MHz – This instrument is also useful for tight rock samples and is used most frequently for better defined T1T2 2D correlation maps.  Samples must be no larger than 1” in diameter and 1” long, making this instrument also useful for measurements done on drill cuttings.

P5 Cell – The P5 Cell is used for overburden studies.  Analysis can be performed on 1” and 1.5” diameter samples at up to 5,000 psi of pressure and at temperatures to 100C.  This cell is used in conjunction with the 2MHz instrument.

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