New Mexico Bureau of Mines &Mineral Resources
Sowrro, N M 87801
NEWMEXICO
A DIVISION OF
INSTITUTE OF MINING & TECHNOLOGY
OPEN-FILE REPORT 314
HYDROCARBON SOURCE ROCK EVALUATION OF,
AUSTRATEX
NO. 1 RIO PUERCO
SEC. 7 , T12N, R2W,
SANDOVAL
COUNTY, NEW MEXICO
By G . S . Bayliss and R. R. S c h w a r z e r
D e c e m b e r 1987
NEW MWCO TECH IS AN EQUAL OPPORTUNITY/AFflRMATWE ACTION INSTITUTION
NEW MEXICO HYDROCARBON SOURCE
ROCK EVALUATIONPROJECT
AUSTRA TEX NO.1 RIO P W R C O
SEC.7, T12N, R Z W , SANDOVAL CO., NEW EIEXICO
Job 3578)
(Resampling of Yeso Formation
NORTHWEST AREA
GEOCBEM JOB NO. 3594
-
Prepared
for
PROGRAM PARTICIPANTS
Dr. Geoffrey S. Bayliss
and
Dr. Rudy R. Schwarzer
GEOCAEM LABORATORIES, INC.
1143-C BRITTMOORE ROAD
HOUSTON, TEXAS 77043
(713) 467-7011
CONFIDENTIAL
DECEMBER 1987
Y
Y
Y
NEW MEXICO HYDROCARBON SOURCEROCKEVALUATION
.
WELL NAME:
APTNO.:
AREA:
LOCATION:
GEOCHEM J O B NO.:
DEPTH:TOTAL
INTERVAL
SAMPLED:
TOTAL NUMBER SAMPLES:
OF
AUSTRATEX
NO.l R I O PUERCO
( R e s a m p l i n g o f Yeso F o r m a t i o n
Job 3578)
NORTHWEST
SANDOVAL
COUNTY,
NEW MEXICO
S E C . 7T, 1 2 N ,
3594
6324 f t .
3500-3540 f t .
3
-
tGEOCHEM
SAMPLE
NUMBER
SAMPLE
DEPTH
STRATIGRAPHIC
INTERVAL
~~
3594-001
3594-002
3594-003
A
0
E
H
- 0
H
4
0
"
3500-3520
3520-3530
3530-3540
Ye so
Yeso
Yeso
X
X
X
-
X
X
X
R2W
ZS t
Em
0
X
X
X
TABLE I
RESULTS OF TOTAL ORGANIC CARBON
NEW MEXICO HYDROCARBON SOURCE ROCK EVALUATION
AUSTRA TEX N O . l R I O PUERCO
SEC.7, TlZN, RZW, SANDOVAL COUNTY, NEW MEXICO
(Resampling o f Yeso Formation - Job 3578)
NUMBER
DEPTH
INTERVAL
(feet)
3594-001
3594-002
3594-003
3500-3520
3520-3530
3530-3540
GEOCKEM
SAMPLE
*
Y
Y
SEEAPPENDIX
AT REAR OF REPORT
TOTAL ORGANIC
CARBON
(XI o f Rolk)
1.20
0.98
0.31/0.30
*
TABLE I1
LITHOLOGICAL DESCRIPTIONS AND ORGANIC CARBON ANALYSES
MEW MEXICO HYDROCARBON SOURCEROCK EVALIJATION
AUSTRA TEX NO.l RIO PUERCO
SEC.7, T12N, R2W, SANDOVAL COUNTY, NEW MEXICO
(Resampling o f Yeso Formation - J o b 3578)
'
GEOCHEM
SAMPLE
NUMBER
DEPTH
INTERVAL
(feet)
3594-001
3500-3520
-A
1.20
50% Dolomite, limely, dark
yellowish brown.
50% Mudstone, noncalcareous,
pale reddish brown to
grayish red.
(Chinle CAVE)
Trace walnut shells.
-B
3594-002
3520-3530
-A
-B
*
Y
Y
Y
10YR-412
10R-514 to
10R-412
0.98
30% Dolomite, limely, dark
yellowish brown.
50% Mudstone, noncalcareous,
pale reddish brown to
grayish red.
Trace walnut shells.
-B
3593-003
-A
LITHO DESCRIPTION
ORGANIC *
CARBON
(wt .%)
GSA
NO.
3530-3540
10YR-4/2
10R-514 to
10R-412
0.31f0.30
30% Dolomite, limely, dark
yellowish brown.
70% Mudstone, noncalcareous,
pale reddish brown to
grayish red.
Trace walnut shells.
SEE APPENDIX AT REAROF REPORT
10YR-4/2
10R-514 to
10R-412
"
1
"
"
TABLE I l l
SY
-
OF ORGANIC CARBON AND VISUAL REROGEN DATA
NEW H F X C O HYDROCARBON SOURCE ROCK EVALUATION
AUSTRA TEX N O . l RIO PUERCO
SEC.7, TIZN. RZW, SANWVAL COUNTY, NEW MEXICO
(Resampling of Yeso Formation
Job 3578)
-
c
GEOCAW
SAhTLE
m
E
R
DEPTB
LNTERVAL
(feet)
MTAL
ORGANIC
CARBON
ORGANIC UATCER
TYPE
AI
-
3594-001
3594-002
3594-003
3500-3520
3520-3530
3530-3540
1.20
0.913
0.31/0.30
0
0
0
.E
ABU
E
100
80
80
TEEREW.
I
0
20
0
ALTERATION
ALTERATION
STAGE
1
1
1
LO
I+
1.3
1
'
1.3
1.3
to +'
to
INDEX
LEGEND:
KEROGEN KEY
Predominant;
60-lO0Z
Secondary;
20-40Z
Trace
r)-2r)7,
AI
Am
A
m
"
A
Algal
Amorphous-Sapropel
Relic Amorphous-Sapropel
Herbaceous-SporefPollen
H*
Degraded HerSaceous
Woody-Structured
Unidentified Material
Inertinice
GXly
W
U
I
C
TABLE IV
RESULTS OF ROCK-EVAL PYROLYSIS A N A L Y S I S
*
NEW UEXICO AYDROCARBON SOURCEROCK EVALUATION
AUSTRA TEX NO.l R 1 0 PUERCO
SBC.7, T12N, RZW, SANDOVAL COUNTY. NEW UEXICO
(Resampling of Yes0 Formation - Job 3578)
3594-001
3594-002
3594-003
T.O.C.
s1
52
3500-3520
3520-3530
3530-3540
0.75
337
337
0.29
390
--
2.16
0.18
0.07
0.13
Total
organic
carbon, wt.%
Free hydrocarbons, rng Hclg of rock
= Residual hydrocarbon potential
(mg HC/g or rock)
0.98
s3
SEE APPENDIX AT REAR OF REPORT
0.08
0.07
0.31 0.31
= C02 produced f r o m kerogen pyrolysis
(mg CO2Jg of rock)
. = 0.083 (SI + SZ)
PC*
Hydrogen
Index
*
3.63
3.87
0.19
0.08
0.03
1.20
0.98
Owen
Index
PI
TNAX
= mg HC/g organic carbon
= mg COZ/g organic
= S I I S I t s2
-
302
394
241
I80
100
93
carbon
TemperatureIndex,degrees
C.
~
I"
I"
I"
I
r
I"
I"
r
I"
F
F
I'
r
I
r
I
Y
Y
Y
f
I
"
"
APPENDIX
*NOTE:
A l l t h r e es a m p l e sc o n t a i n e d
a m i n o ra m o u n to fw a l n u ts h e l l s .
Tle
t h e f i n e s were d e c a n t e di na na t t e m p tt o
samples were washedand
remove a s much o ft h ew a l n u ts h e l l
material as p o s s i b l e .H o w e v e r ,
t h ea n o m a l o u s l yh i g h
TOC v a l u e sr e p o r t e di n d i c a t et h a tt h e s es a m p l e s
were c o n t a m i n a t e dw i t h" w a l n u ts h e l lf l o u r "w h i c hc o u l dn o tb er e m o v e d
i n t h i s manner.
These s'amples were m i x t u r e so fc a v e dr e dm u d s t o n e sa n di n d i g e n c u s
m a t e r i a l . The p i c k i n go fa ni n d i g e n o u ss a m p l e
was i m p r a c t i c a l so
t h es a m p l e was a n a l y z e dw i t h o u tp i c k i n g .
An "Adjusted TOC" v a l u ef o r
i n d i g e n o u sm a t e r i a l was c a l c u l a t e d a s f o l l o w s :
TOCI = TOCT
-
(Fr)(TOCc)
FI
Where FI = f r a c t i o no fi n d i g e n o u ss a m p l e
FC = f r a c t i o no f
CAVED material
The d a t a a r e p r e s e n t e d i n A p p e n d i x
TOCI = TOC o fi n d i g e n o u ss a m p l e
TOCC = TOC o f CAVED m a t e r i a l
TOCT = TOC o f T o t a l s a m p l e
A.
I nl i k em a n n e r ,a d j u . s t e dv a l u e sh a v eb e e nc o m p u t e df o rt h e
Rock-Eva1 d a t a .
sz
These a r e shown i n Appendix B . The v e r yh i g h S2 a n d ,i np a r t i c u l a r ,
r e s p o n s e sc l e a r l yr e f l e c tt h e" w a l n u tf l o u r "c o n t a m i n a t i o nr e f e r r e dt oa b o v e .
n o r m a l l yb e needed f o r t h e v i s u a l k e r o g e n
d a t as i n c e
No a d j u s t m e n t sw o u l d
b e d sd on o tc o n t a i n
a n y k e r o g e n o fa n y s i g n i f i c a n c e ; h o w e v e r ,
i nt h i sc a s e
a l l t h ek e r o g e ns e e no nt h es l i d e
i s i nf a c t" w a l n u t
p r o b a b l et h a ta l m o s t
flour".
Not t h e "mud a d d i t i v e "a n d" r e s i n "r e m a r k si nT a b l e
V
Kerogen
Assessment w o r k s h e e t .
-
red
it is
APPENDIX A
ORGANIC CARBON VALUES CORRECTED
FOR CAVED MATERIAL
ADJUSTED T O W
ORGANIC
TOTAL
DEPTH
GEOCHEM
SAUPLE
INTERVAL
CARBON
NIMBER
(feet)
3500-3520
3594-001
3594-002
3594-003
3594-004
..
.^
( X of Rock)
Analyzed)
(Total
Sample
3520-3530
3530-3540
Composite of caved
red mudstone taken
from a l l 3 samples
1.20
-0.98
0.30
0.12
BRIEF
LITHOLOGIC
DESCRIPTION
50 Dol, 50 Red W s t
30 Dol, 70 Red W e t
30 D o l , 70 Red Hdst
Value allowing for
nom separated caved
material
2.40
2.98
0.72
APPENDIX B
ROCK-EVAL
PYROLYSISANALYSISCORRECTED
FOR CAVED MATERIAL
N E W KEXICO HYDROCARBON SOURCE ROCK EVALUATION
NO.l R I O PUERCO
AUSTFA
TEX
NEW MEXICO
SEC.7, T12N, R2W,
SANDOVAL
COUNTY,
(Resampling of Yeso Formation
Job 3578)
-
PI
0.69
3594-001
3594-002
0.313594-003
7.26
3500-3520
T.O.C.
SI
S2
390
3520-3530
3530-3540
337
-
0.21
T o t a l organic c a r b o n , ut.%
= Free h y d r o c a r b o n s , mg Hc/g of rock
-
R e s i d uhayl d r o c a r b op no t e n t i a l
(mg HC/g or rock)
2.98
11.76
1 .RO
s3
2.40
0.07
0.06
0.31
0.26
* CO2 produced from kerogen p y r o l y s i s
(mg CO2/g of rock)
0 . 0 8 3 (SI + 5 2 )
-
PC*
Hydrogen
Index
= mg AC/g o r g a n i cc a r b o n
T.O.C. HYDROGEN
(wt.7J
INDEK
PC*
0.39
2.98
0.05
bypen
lndex
PI
THAX
0 .241
72
180
100
93
OXYGEN
IRDEX
302
394
-
mg C O 2 / g oraanic c a r b o n
= s1/s1 + s2
-
T e m p e r a t u Ir ne d edxe, g r e e s
C.
r
F'
r
I"
r
r
r
r
c
I
Y
."
Deuud c4-c7Hydrocarbon
GEOTHERMAL DIAGENETIC CRITERIA
I G E W Y UBORI(T0RIES. IH: 1