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NGL - average values are mainly determined by the nature
of the fluid, which filled the pores (water, oil, gas). When saturated
with fresh water or oil will have averages - (1.2-1.4) conventional
units, in the case of saturation mineralized water with the presence
of NaCl, KCl values of secondary gamma activity will be great as
for dense rocks.
Limestone
IR - curve poorly differentiated, varies depending on the
same factors us for sandstone. Actual curve of LL - three layer if
there is penetration of drilling fluid into the formation;
SP - anomaly presence, the value of which depends on the
same factors us for sandstone. Please be aware that the shape of
the SP curve has a different image depending on the nature of the
limestone porosity;
DW - usually equal to the nominal diameter of the well, but
may be other properties if limestone are cavernous, fractured,
while the diameter of the well is greater than the nominal;
GL - usually small value - from 2 to 4 mcR / h;
NGK - great value and ranges from 3.0 to 5.0 conventional
units.
Hydrochemical sediments (salts NaCl, KCl)
IR - great value for probes whose size is much larger
diameter of wells; double layer curve of LL;
SP - anomalies tend to be small, but they may have a
different character depending on the time of measurement after the
passage it of a chisel;
DW - usually increased diameter of well through the
dissolution of salts;
GL - very small values for NaCl - 2-3 mcR / h and large
against KCl;
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