Core stabilization is required to protect and stabilize the core within the liner
in which they recovered. Without stabilization core can be damaged during routine
handling and transportation from the field to the laboratory facilities. We offer
a full range of services to stabilize conventional cores within the core barrel
liner that are collected in. The type of stabilization method is designed to match
the formation type and the core conditions.
The process involves full barrel freezing of core from unconsolidated or friable
formations when received at the well site. The cores internal temperature is monitored
to insure a hard freeze occurs and then the liners are segmented into manageable
length for safe handling and transportation. The core is kept frozen through the
transportation and sample preparation process.
CoreSta™ is a unique superior preservation technique for friable and unconsolidated
formations. This is patented process is used as an alternative to Core Freezing.
It is often used on friable or unconsolidated formations where freezing is impractical.
The process involves low pressure injection of epoxy into the annular space between
the core and the liner to stabilize the core before segmenting occurs. This insures
that the core is stabilized in the liner before segmenting and handling to minimize
the chance of core damage.
This process is an older version of epoxy stabilization that involves segmenting
friable or unconsolidated core into 3 foot sections. Epoxy is "poured" into the
annular space to immobilize the core within the sectioned liner. It may be used
when CoreSta is not available and or injection pressure is of concern.
This process is designed to stabilize consolidated formations in the liner to movement
and breakage during transportation. Shims are inserted in the annular space between
the core and the liner. The shims are designed to wedge between the core and are
non-reactive with the formation or the fluids present.