How to describe hydrocarbon oil shows
1-
Oil stain:
Look for oil staining on the
washed cuttings in the sample tray
put the Tray under microscope and describe:
a –Distribution:- B- COLOR
·
speckld spkld light brown lt brn
·
Spotty spty medium brown med brn
·
Streaky strk brown brn
·
patchy pch dark
brown dk brn
·
even evn
2-
Odor :-
·
Fair fr
·
Medium med
·
Good gd
·
strong strng
3- Direct fluorescence((oil shows)): - put the sample tray inside fluoroscope
and describe
a-
Distribution B- intensity c- color
·
Pinpoint pale pl light blue
·
Speckled dull dull white yellow
·
Spotty medium med yellow
·
Streaky bright brt dark yellow
·
Patchy golden
·
Even brown
4- Cut fluorescence((oil shows)) :- Under fluoroscope take some cuttings in porcelains then
add solvent to the cuttings and
describe:
a- Speed B -type
·
Slow streaming ( strmg) poor porosity
·
Medium blooming blomg good porosity
·
Fast
·
instant
C – Intensity D -
color
·
Pale ligth blue
·
Dull white yellow
·
Bright orange
·
Medium yellow green
5- Natural cut :- Put some dried
stained cutting in test tube, add 2cm of solvent And shake it well then leave it
for( 5-10 minutes ) in normal light describe the color and comparing with
reference color:
color of product is
·
Very light
yellow Low oil
concentration
·
Light yellow
·
Medium tea
·
Dark tea
·
Coffee High oil
concentration
6- Residual Ring ((oil shows)): - Take the porcelain out of the fluorescence and in normal
light Describe:
a--Thickness of residual oil ring
·
Very thin Low saturation
·
Thin
·
Medium thick
·
Thick
·
Very thick High saturation
B- Color of residual oil ring
·
Light yellow Light oil
·
Light brown
·
Medium brown
·
Dark brown Heavy oil
IF THERE IS NO RESIDUL RING
SAY (( NO RESIDUAL RING))
7- Oil shows quality:
·
Trace
·
good
·
Poor
·
Fair
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