New Mexico Bureau of Mines & Mineral Resources
Socorro, NM 87801
NEWMEXICO
Information: 505/835.5420
Publications: 505/835-5410
A DIVISION OF
INSTITUTE OF MINING & TECHNOLOGY
August 11, 1981
MEMO
TO :
Frank E. Kottlowski,Director
FROM :
Sam Thompson 111, Petroleum Geologist
SUBJECT: Open-file report no. OF-151
As we discussed, the following.report from GeoChem
Laboratories, Inc. is to
be placed in the Bureau Open-file:
OF-151 . Hydrocarbon
Corp. No. 1
Mexico, by
1981, 23 p.
ST:
source-rock evaluation study, Cockrell
Playas State well, Hidalgo County, New
L. Paul Tybor, GeoChem Laboratories, Inc.,
(including 2 p. text,
8 tables, 9 charts)
'>..
sn
xc: Mike R. Smith, GeoChem
Robert A. Bieberman, Subsurface Library
Robert W. Kelley, Eaitor
. .
GEOCHEMICALANALYSES '
SOURCE ROCKEVALUATION
CAW€OIL-SOURCE ROCK CORREIATION
-
1143 C BRTTTMORE%OAD
~
HOUSTON, TEXAS 77043
CRUDE OIL CHARAC~ERIZATION
GEocHEMlcAl pRospEcTINo
7131467-7011
. .
August12,1981
Mr. Sam Thqmpson I11
N E W MEXICO BUREAU OF MINES &
MINERALRESOURCES
S o c o r r o , New Mexico 87801
RE:.
.
.
GeoChem J o b No. 2082
C o c k r e l l #1 Playas We11
Sec. 14-30S-liXd
Hidalgo County, New Mexico
Dear Mr. Thompson:
- E n c l o s e dp l e a s ef i n dt h er e s u l t so ft h eo r g a n i cg e o c h e m i c a la n a l y s e sp e r f o r m e d
on f o r t y - s i x ( 4 6 ) w e l lc u t t i n g ss a m p l e s
from.theCockrell
No. 1 P l a y a s well,
l o c a t e d i n Sec. 14-3?5-17W, HidalgoCounty,
New Mexico.
"Upon a r r i v a l a t GeoChem the samples were assigned the
GeoChem J o b Number 2082,
followedbythe
sample s e q u e n t i a l number -001 t o -046, and s u b m i t t e d t o the
followinggeochemicalanalytical'program:
TYPE OF ANALYSIS
.%
TABLE
-
Mr. Sam Thompson 111
Page 2
August 12,1981
DISCUSSION OF THE RESULTS
A.
Thermal MaturityofSediments
Based on kerogencoloration,thePaleozoicsedimentsanalyzed
from t h i s
well rangeinthermalmaturity
from a matureMaturationIndex
Stage 2+ t o
3- a t 2500+ f e e t , w i t h i n t h e H o r q u i l l a f o r m a t i o n , t o
a s e v e r e l ya l t e r e d
Maturation-IndexStage
3+ t o 4- a t 6 8 2 0 5 f e e t , w i t h i n t h e
Bliss formation.
On t h e b a s i s o f t h i s t h e r m a l m a t u r a t i o n p r o f i l e t h e H o r q u i l l a
i s t h eo n l y
u n i ti nt h i sw e l l
which couldhavegeneratedoil.
Below t h eH o r q u i l l a ,
t h e m a t u r i t i e s of t h e s es e d i m e n t si n c r e a s et ov e r ym a t u r el e v e l s * &t h e
Montoya formation. From t h e E l P a s ot ot o t a ld e p t hi nt h e
Bliss
f o r m a t i o n ,t h et h e r m a lm a t u r i t i e sa t t a i ns e v e r e l ya l t e r e dl e v e l s .
As a r e s u l t , wetgas
and minoramountsofcondensate
may havebeen
generated i n therockscompris-ingthewellinterval
from t h eM i s s i s s i p p i a n
ParadiseformationthroughtheOrdovician
Montoya formation. Below t h e
Bliss, onlygas
Montoya, w i t h i n t h e E l P a s o , t o t o t a l d e p t h w i t h i n t h e
could have been generated.
The r e s u l t s o b t a i n e d from t h e v i t r i n i t e r e f l e c t a n c e a n a l y s e s i n d i c a t e
a
s l i g h t l yh i g h e rl e v e lo ft h e r m a lm a t u r a t i o n
for thesesediments.
However,
t h i sd e s c r e p a n c yd o e sa f f e c to u ri n t e r p r e t a t i o no ft h et h e r m a lm a t u r i t y
of
t h e s es e d i m e n t ss i n c e
it appearsthatonlyvarying
amountsof
gascould
havebeengenerated
from t h e s e r o c k s .
B.
HydrocarbonSourceCharacterizationofSediments
The P a r a d i s e , t h e lower p o r t i o n of t h eP e r c h a ,t h e
Montoya and t h e Bliss
stratigraphicrockunitspenetrated
by t h i s w e l l h a v e
a verymatureto
s e v e r e l ya l t e r e d , poor l i q u i dh y d r o c a r b o ns o u r c ec h a r a c t e r ,w i t h
a
p o s s i b l ef a i rg a ss o u r c ec h a r a c t e r .
T h i sf a i rg a ss o u r c ec h a r a c t e r
i s based on t h e f a i r amountsof
organic
matteranalyzed
from t h e s eu n i t s( T a b l e
I ) . These u n i t s have poor l i q u i d
h y d r o c a r b o ng e n e r a t i n gc a p a b i l i t i e s
due t o t h e poor amounts of C15+
t o t a lh y d r o c a r b o n( T a b l e
111-B), f r e eh y d r o c a r b o ny i e l d s
(Si; Table11)
andremaininghydrocarbongeneratingpotential(S2;Table11)analyzed
from thesesamples.
The r e m a i n i n gf o r m a t i o n sa n a l y z e di nt h i sw e l ls t u d y
were analyzedas
being organic-lean with
poorhydrocarbongeneratingcharacteristics.
Shouldyouhaveanyquestionsconcerningthisstudy,
s e r v i c e ,p l e a s ef e e lf r e et oc o n t a c t
me.
or i f I may be of f u r t h e r
Sincerely,
GEOCHEM LABORAITORIES
St
Enclosures
, INC.
ck.
SUMMARY TABLE I
Organic Richness
SI
AGE
SLraligraphic
Unlt
52
Predominant
Residual H.C.
C15+
Kerogen
Kerogen
Type
'Cot% H.C.
Y i eBl di t u m V
e ni s uhallt e r a c i R
o ne f l e c t a n c e
(ppm)
(mg/g)
(FV)
Assessment
H.C.'s
2480- Limestone,
3836
medium
dark
gray
0.12
gray.
brownish
(14)
(1)
3836- Limestone,
4127
medium dark
gray
g r a yd.a r k t o
(5)
(1)
(1)
(1 1
(1)
0.46
0.11
174
0.00
347
(1)
(1)
(1)
(1)
Top
LiU~ology
(Feet)
'Thermal Harurlry
Vlrrinlte
C +
Free
Organic
Carbon
(%of rock)
(mg/g)
(1-5 Scale) (XRo)
PERMIAN
PSNNSYLVANJAN
Harquilla
0.01
0.08
nla
(1)
Am;H*(H);W-I
MISSISSIPPIAN
Paradise
4127Escabrasa
DEVONlAN
Percha
Limestone,
5192
medium gray
dark
g r a yd.a r k t o
51925568
Shale, dark
gray to grayish
(7)
nla
( 9 )
.
0.15 0.01 63e 0.05
(5)'
(1)
444
(1)
(1)
0.00
(1)
1163
(4)
(11
(7)
2+ to
2-
(4)
W-1;H;Am
(3)
H*;Am-W-I;-
(3)
1;-;Am
3
t o 3+
(3)
3
to 3+
(3)
3
t o 3t
T-Hu
('C)
Hydrocarbon
Source
Porentlal
0.46
(1
poor
) Mature,
hydrocarbon
427
source.
(2)
( 1)
2.55
(1 1
2.33
nla
Very mature t o
severely altered,
340
hydroliquid
poor
carbon source,
p o s s i b l e fair gas
source.
( 1 ) Very mature t o
severely altered,
411hydrocarbon
poor
source.
( 1 1 matute
very
0
to
severely altered.
poor
hydrocarbon
source. The lower
p o r t i o n of t h e
percha may be a
p o s s i b l e f a i r gas
source.
SUMMARY TABLE 1
Orpanic Richness
SI
AGE
stratlgraphlc
Top
Unlt
Free
Organic
Carbon
Lllhology
ORDOVICIAN
Montoya
dark
H.C.'s
To&\
(%of rock) ( 1 4 6 ) ( p e d
(Feet)
55685890
to
C +
Dolomite,
medium dark
gray
era".
Hacurlty
SZ
Residual H.C.
H.C. Bitumen
Yield
(v/@
Thermal
Clf
(PP=l
Predominant
Kerogen Type
Kerogen
Vlcrlnite
R
So
effuiltreeccreteat n
i ocne
Visual
&sessmeat
(1-5 S c s l s l GReI
HEAN
HEAN
HEAN
(1)
(1)
(1)
(1)
0.10
89e
0.00
1382
Am(A1);l;-
nla
nla
nla
nla
HEAN
-
-
(3)
(1 )
0.19
(9)
HEAN
HEAN
HEAN
nla
(1)
3
to
2+
I~
~
~
El Paso
Dolomite,
58906764
ORDOVICIAN
CAMBRIAN
6764.~
~
Bliss
7030
Limestone,
medium dark
gray LO dark
gray;
medium dark gray.
Dolomite,
medium dark
erav.
0.I 1
.( 1 )
( 4 )
Am(AI);-;I
nla
nla
nla
nla
( 4 )
(%I
Potentla1
HEAN
Very mature t o
( 1 ) severely altered,
poor l i q u i d hydro416
source,
carbon
possible fair gas
source.
Severely altered,
poor hydrocarbon
source.
3+ t o 4-
(1)
1;Am;-
Hydrocarbon
n/a nla
nJa
"
0.17
I-Hax
3+ t o 4-
Severely altered,
p o s s i b l e fair gas
DYYL".
Table I
SCREEN
ANALYSIS
SUMMARY
GeoChem
We1 1
Organic
Brief Lithological Description
Total
Carbon
(% o f Rock)
Sample
Number
Interval
2082-001
2490-2500
Limestone, medium darkgray
ish gray.
t o brown-
0.06
2082-002
2590-2600
Limestone, medium dark gray t o brownish gray.
0.05
2082-003
2690-2700
Limestone, medium darkgray
brownishgray.
2082-004
2760-2770
Limestone, l i g h t brownish gray t o dark
brownishgray.
0.09
2082-005
2840-2850
Limestone, medium dark gray t o brownish
0.05; 0.03R
(Feet)
t o dark
0.06
gray.
2082-006
2970-2980
Limestone, medium dark gray t o brownish
,gray.
0.06
2082-007
3070-3080
Limestone, medium dark gray t o darkgray.
0.13
2082-008
3150-3160
Limestone, medium dark gray t o dark gray.
0.12
2082-009
3250-3260
Limestone, medium darkgray
2082-010
331 0-3320
Limestone, medium dark gray t o dark gray.
0.17
2082-01 1
3410-3420
Limestone, medium dark gray t o dark gray.
0.18
2082-012
3500-3510
Limestone, medium dark gray.
0.10
2082-013
3640-3650
Limestone, medium darkgray.
0.19
2082-014
3700-371 0
Limestone, medium dark gray and brownish
0.13
t o darkgray.
0.23
gray.
2082-01 5
3880-3890
Limestone, medium dark gray t o dark gray.
0.28
2082-016
3900-391 0
Limestone, medium dark gray t o dark gray.
0.34; 0.35R
2082-01 7
4000-4010
Limestone, medium dark gray t o dark gray.
0.78
2082-018
4050-4060
Limestone, medium dark gray t o dark gray
Trace of shale.
0.44
2082-01 9
41 00-41 10
Limestone, medium dark gray t o dark gray.
Trace o f shale.
0.45
Table I
SCREEN ANALYSIS SUMMARY
GeoChem
Sample
Number
We1 1
Interval
(.Meters)
Brief Lithological
Description
2082-020
41 30-4140
Limestone, medium darkgray
2082-021
4540-4550
Limestone,darkgray
t o brownishgray.
0.12
2082-022
4590-4600
Limestone,darkgray
t o brownsihgray.
0.15
2082-023
4670-4680
Limestone, medium darkgray
t o darkgray.
0.11
2082-024
4720-4730
Limestone, medium darkgray
t o darkgray.
0.18
2082-025
4820-4830
Limestone, medium dark gray to dark gray.
0.10
2082-026
4930-4940
Limestone, white t o l i g h t brownishgray.
0.07
2082-027
5120-5130
Limestone,very
gray.
0.12
2082-028
5150-5160
Limestone, medium darkgray
2082-029
5200-5210
Shale, medium bluish gray t o olive gray.
Limestone, medium darkgray.
2082-031
5290-5300
Shale, dark gray, limestone,
gray.
2082-031
5360-5370
Shale, dark gray.
0.26
2082-032
5460-5470
Shale, dark gray to grayish black.
0.29
2082-033
5560-5570
Shale,darkgray
2082-034
5570-5580
Dolomite, medium dark gray t o dark gray.
0.17
2082-035
5670-5680
Dolomite, medium dark gray t o dark gray.
0.26
2082-036
5750-5760
Dolomite, medium darkgray
t o darkgray.
0.13
2082-037
5900-5910
Limestone, medium g r a y t o medium dark gray.
0.08
2082-038
6030-6040
Limestone, medium dark gray.
0.08
2082-039
61 20-61 30
Limestone, medium dark gray.
0.06
2082-040
6230-6240
Limestone, medium dark gray to dark gray.
0.08; 0.09R
2082-041
6340-6350
Limestone, medium dark gray to dark gray.
0.09
TotalOrganic
Carbon
(%of Rock)
t o darkgray.
light gray to
medium dark
t o darkgray.
medium dark
t o grayishblack.
0.36
0.14
0.11
0.18
0.83; 0.83R
Table I
SCREEN
ANALYSIS
SUMMARY
We1
GeoChem
Sample
Number
1
Interval
(Meters)
Brief Lithological
Description
TotalOrganic
Carbon
( % o f Rock)
2082-042
6470-6480
medium dark
Dolomite, gray.
0.04
2082-043
6570-6580
medium dark
Dolomite, gray.
0.07
2082-044
6630-6640
medium dark
gray
to
Composite:
dolomite,
dolomiticgrayishblackshale.
0.36
2082-045
Dolomite,
6750-6760
2082-046
681 0-6820
gray.
medium dark
Dolomite,
coarsely
grained,
slightly
very
s i l t y , medium darkgray.
0.09
0.17 ; 0.17R
s2
= Totalorganiccarbon,
wt. Z
= Freehydrocarbons, mg HC/g of rock
= ResidualhydrocarbonpotenLial
s3
= CO2 producedfromkerogen
'r.0.c.
s1
( m g HC/g OC Fock)
Sl+SZ
TABLE 11
RESULTS OF
ROCK-EVAL
PYROLYSIS
i
~
2082-009
2082-017
2082-020
2082-033
2082-035
3250
4000
4130
5560
5670
---
3260
4010
4140
5570
5680
0.23 0.21
0 .78
0.36
0.83
0.08
0.11
0.05
02
0.10
6
0.11
0.01
0.00
'
0.01
0 .oo
0.00
0.09
0.44
0.65
0.11
0.06
02 9
0.11
0.10
0.26
pyrolysis
(mg CW/g of rock)
= GenetichydrocarbonpoLenLial
(mg HC/g OC rock)
Hydrogen
=
Index
oxygen
=
Index
Sl/Sl+S2 =
=
Tmax
mg HC/g organic carbon
mg CO2/g organic carbon
Transformation r a t i o
'TemperatureIndex,degrees
91
56
18 1
35
100
0.89
1 .oo
0.83
C.
x
411
0
(w)
Table 111
Summary o f C15+ Soxhlet Extraction, Deasphaltening
and Liquid Chfomatography
A. Weights of Extracts and Chromatographic Fractions
GeoChem
Precipitated
Total
Weight
of
ParaffinsN-C5
Sample
RockExtd.ExtractAsphaltenesSolubleSulfurNaphthenesAromaticsNSO'SNSO'S
Number
Well
Interval
(grams)
(grams)
(grams)
(grams)
(grams)
(grams)
(grams)
(grams)
(grams)
2082-009
4000
2082-017
-41404130
2082-020
-5570
2082-033
5560
2082-035
-5680
5670
3250 -3260
0.0169
0.0202
0.0371
100.0
-4010
0.0166
0.0031
0.019756.8
0,0081
0.0204
0.0285 b4.2
41.6
0.0356
0.0409
29.6
N.D. 0.0056
0.0026
0.0069
N.D.
0.0054
0.0011
0.0068
N.D.
N.D. N.D.N.D.
N.D.
N.D.
N.D.
0.0067
N.D.
0.0053
N.D.
0.0417
0.0484
Eluted
Noneluted
-
~~
N.D.N.D.
N.D. N.D.
.
0.0018
0.0011
~~
~
N.D.
N.D.
B. Concentration of Extracted Materials in Rock
GeoChem
Sample
Number
Well
Interval
2082-009
2082-017
2082-020
2082-033
2082-035
C.
3250 -3260
4000-4010
4130-4140
5560-5510
5670 -5680
Composition of Extracts
--------Hydrocarbons-------Paraffin-
GeoChem
Aromatic Naphthene
Sample
Interval
Well
Number
-4140
4130
2082-009
2082-017
2082-020
2082-033
2082-035
P
3250 -3260
4000-4010
5560 -5570
5670-5680
18.6
34.5
--
P
54.4
7.0
15.7
--
------------Nonhydrocarbons------------
ElutedNonelutedPrecipitd.
Sulfur
Asphaltene
HC'S
NSO'S
NSO'S
PNlArom
P
P
I
%
2.65 4.9
2.19
--
---
15.1
27.4
-
AsphINSO
%
HCHC/Non
0.34 25.6 2.73
6.6
1.01 50.3 0.46 15.7
--
71.6
86.2
87.0
--
-
--
Table IV-A
SaturaLe Hydrocarbon Analyses
Summary of Paraffin-Naphthene Distrlbution
GeoChem
Sample
Number
P
P
a
c-P
Well Interval Paraffin Isoprenoid Naphthene Index A
2082-009
2082-017
2082-020
2082-033
2082-035
2 65.8
3250 -32601.04 1.031.6
4000
-4010
32
.O
-4140
4130
76.9 1.8 21.3
5560 -5570
24.8
5670 -5680
27.1
2.6
2.7 1.05
65.2
c- P
Index B ipl9/ip20
1.40
1.39
1.31
1.31
0.74
1.04
1.02
1.04
1 .oo
1.9 1.04
73.4
2.1
1.04 70.9
1 .Ob
Table IV-B
Saturate Hydrocarbon Analyses
Normalized Paraffin Distribution
CeoChem
Sample
Number
Well Interval nC15 nC16 nC17 ip19 nC18 ip20 nC19 nC2O nC21 nC22 nC23 nC24 nC25 nC26 nC27 nC28 nC29 nC30 nC31 nC32 nC33 nC34 nC35
2082-009
2082-017
2082-020
2082-033
2082-035
3250
4000
4130
5560
5670
P
-3260
-4010
-4140
-5570
-5680
~
P
5.6 8.1 9.3
2.4 6.2 9.0
1.44.87.44.74.36.3
1.48.68.49.50.6
0.1.6
7.3
7.9
0.4
8.1
I
4.4
4.6
~
Z
6.7 -3.2 5.2
5.4
7.32.3
3.1
I
5.8
P
~
7.2 7.2 6.1
7.9 8.6 8.2
7.0
7.78.68.56.44.47.45.43.32.28.17.7
5.9 8.5 10.190.71.55.43.3
11.0 10.1
51.1
60.6
2.4
9.3
6.3
8.3
5.4
7.0
P
P
4.8
6.9
4.0
5.6
~
3.7
4.6
P
3.4
3.6
P
3.6
2.8
P
3.5
2.6
P
2.8
2.2
2.7
1.4
X
1.4
0.8
1.0
4.0
3.9
3.2
4.0
3.1
1.6
3.8
2.4
2.8
1.16.0
0.7
0.4
Z
0.8 0.4
0.6 0.7
or8 0.4
0.5 0.3
0.3 0.2
~
P
0.1
0.2
0.3
0.2
0.1
Z
P
TABLE V
drillin! mud contaminants.
E - bacteriainthe
sawle.
VLOM - very l i t t l e organicmaterial
-
c
U
n
v
d
z
W
&
..
W
-I
n
E
a
m
0
LL
W
a
I-
>-
r
=n
Lr
3
2
-I
3
-I
W
m
In
0
0
4
'9
9
t
'D
.
P
c
c
L
L
E
c3
a
a
0
v,
I-
r
W
V
z
a
L
W
-I
LL
a
W
W
I-
-
z
a
I-
>
TABLE VI
VITRINITE
REFLECTANCE
GEOCHEM
=?."DL
"l",
5
LL
NUMBER
3260
DEPTH
(id)
rYPE
-.
OF
SAMPLE
-. --- ..- ..
PnPlll
ATION
,
NUMBER
OF
RE~DINGS
SUMMARY
MINIMUM
MAXIMUM
MEAN
REFLECTANCE REFLECTANCE REFLECTANCE
( Yo R o )
( Yo Ro)
IO/o Ro)
STD. DEV.
(Yo Ro)
0.53
2
0.39
-
2.52
(1)
25
3.09
2.04
0.381
CTG
0.287
(1)
2.58
60
3.08
2.06
m
(1)
0.67
2
7
23
3
0.64
1.94
2.71
4.17
2082-009
CTG
0.46
(1)
3890
2082-015
m
4010
2082-017
4140
2082-020
~
(2)
(3)
(4)
5570
2082-033
m
No
VITRINITE
2.64
3.81
5.27
0.320
0.66
2.33
3.26
4.69
0.229
0.552
REMARKS
GEOCHEM
NO.
2082-017
CLIENT'S NAME
NEW MEXC
IO
(NO. OF READINGS = 60)
2.36
2.58
2.89
2.36
2.37
2.59
2.62
2.94
2.98
POPULATION
2.58
(1)
2.39
2.63
3.01
2.06
2.42
2.65
3.02
NO. OF READINGS
3.0860
TYPE OF SAMPLE:
NAME
WELL
BUREAU OF MINES
2.10
2.43
2.66
3.03
2.12
2.44
2.68
3.04
2.14
2.46
2.72
3.06
/SAMPLE
DEPTH
cr(;
2.14
.2.46
2.74
3.08
MIN. Ro ( % )
OXKRELL #1 P L A Y X
2.18
2.23
2.24
2.26
2.26
2.26
2.27
2.29
2.34
2.47
2.49
2.49
2.49
2.53
2.53
2.54
2.54
2.56
2.75
2.76
2.77
2.80
2.82
2.84
2.85
2.87
2.88
3.08
MAX. RO ( % )
MEAN
Ro(O&
2.06
X
x x
XxxXXXXXXXXXXX xx
VlTRlNlTE
STD.
DEV ( %
0.287
x x
x xxxx
x X ~ X
NO. 4010
X X xx
X
REFLECTANCE HISTOGRAM
REMARKS
0.229
1
.52
GEOCHEM
NO.
2082-020
TYPE OF SAMPLE:
CLIENT'S NAME
NEW MEXICO BUREAU OF MINES
DEPTH/SAMPLE
a
NAME
WELL
CimRELL
NO. 4140
#1 r n Y A . 3
(NO. OF READINGS = 35) 0.640.671.942.222.262.322.422.532.642.712.782.842.882.91
2.93.09
3.18
3.19
3.19
3.23.27
3.27
3.32
3.37
3.38
3.39
3.49
3.63.66
3.67
3.76
3.81
4.17
4.63
5.27
POPULATION
0.66
(1)
2.33
(2)
2.71 (3)
4.69( 4 )
NO. OF READINGS
0.672
2.64
7
23
5.27
3
MIN. RO ( % )
0.64
1.94
4.17
MAX. RO (%)
MEAN RO (%I
DE!
STD.
-
(%I
REMARKS
..
N
. .".
.
f
"
0
O b
N ,
o w
u,
Nu,
GEOCHEM
NO.
2082-015
CLIENT'S NAME
NEW MEXICO BUREAU OF MN
I ES
(NO. OF READINGS = 25)
TYPE OF SAMPLE:
erc;
/SAMPLE
DEPTH
NAME
WELL
NO. 3890
OXKRELZ, #1 FJLAYAS
2.04
2.08
2.08
2.10
2.10
2.12
2.19
2.20
2.22
2.24
2.26
2.33
2.52
2.53
2.65
2.72
2.79
2.87
2.88
2.93
2.96
2.99
3.04
3.08
3.09
POPULATION
2.04 (1)
NO. OF READINGS
MIN. Ro (
MAX. RO 1%)
MEAN R o ( % )
25
VlTRlNlTE
REFLECTANCE HISTOGRAM
STD. DEV ( %)
REMARKS