Core Lab welcomes Guardian Global Technologies as part of the Core Lab Team!
Click here to learn about Guardian
and their complementary next generation Production Enhancement technologies.
Coreseal™ is a sealing material developed by Core Laboratories and proven
throughout the oil industry. It was specifically designed for long and short term
preservation of core material. It is almost completely impervious to water and water
vapor. Coreseal™ performance is 10 to 70 times better than other hot melt coating
materials used. The robust nature of Coreseal™ allows it to form a protective barrier
preventing physical damage to the core. Performance tests where carried out on four
brine saturated Berea Sandstone samples preserved by the standard Core Seal preservation
procedure of wrapped in Saran Wrap followed by aluminum foil and two layers of CoreSeal™.
Periodic tests on all four samples revealed no significant moisture loss over three
years. The greatest loss observed, 0.009gm, represented only 0.04% of the total
brine present in the sample. At this rate of loss the sample would lose only 1%
of the initial brine content over a 75 year storage period.
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