New Mexico B u r e a u of Mines and Mineral R e s o u r c e s
O p e n F i l e R e p o r t NO. OF-260
ORGANICGEOCHEMICALANALYSES
O F S U P E R I O RO I L CO.
NO. 1-14 SAN MATE0
WELL,
MCKINLEY
COUNTY,
NEW MEXICO
Jacobson, James D. S a x t o n ,
and K a t h e r i n e M. T u l l y
Chevron U . S . A . ,
Inc.
By Stephen R.
D e n v e r ,C o l o r a d o
DOW
and John R. A l l e n
G e o c h e m i c a l Services, Inc.
T h e Woodlands, T e x a s
N o v e m b e r 1 5 , 1985
,'
.
&;
@f
~-
BIOSTRATIGRAPHIC STmlYNO. 1478
ADDENDUM 1
P4981
LOCATION:
5LLpwior
o;\
to*
San Mateo Govt
1-14
Sec. 14-14N-8W
McKinley Co., New Mexico
PEOBLgPIr
by K. Tully for
Twenty cutting samples submitted
determination of maturity (TAI-VO) and Microscopic
Organic Analysis (MOA) indices.
DISCUSSION:
TheHydrogenIndexforsamples
kerogen,
(less
than
1-4
indicatesgasprone
COFRC
parameter).
Visual
150,
microscopic organic analysis indicates the samples to be
oil
either
mixed
or
predominately
prone.
possible
A
I1
explanation for this discrepancy, some amorphous Typ?
materials do not show good oil potential: these include;
(1)
precipitated humic acids,
(2)
rnicrobially-reworked vitrinite.
See: Rock-Eva1 Pyrolysis Interpreters Manual
The Type
K. E. Peters TM 83001170
I1 determinations are uncertain from Spl.
9-14.
A very noticeable amount of Lost Circ. Material was obsl?rved
beginningwithSample
5. Thismaterialisincorpo-ated
into the TOC and pyrolysis data making the value
of this data suspect. Many
of
any
of these samples probably owe
most of their TOC to this introduced material.
Notice there
is
no
"down-hole''trend
developed,
Production
Index
values
over
post-maturity whereas the
gas generative zone.
of increasing Tmax
0.4
indicate
TAI indicates oil-late oil wet
BIOSTRATIGRAPHIC STUDY NO. 1478, Addendum
1
P4981
Page Two
RESULTS:
(Maturity-Kerogen
Types-Amount
of Organics)
Maturity
(TAI-Vo-Tmax-Production
Index)
TAI
-
Interval 300-1200, Samples 104, oil generative
zme.
Note: determination based in part on Aquilapollenites
SP. 9
palynomorphs
colpate
and
Cicatricosisporites sp. (U. Cretaceous)
TAI = 2.7-2.8
-
U. Penn.
Permian striate forms were observed in
Sample 20,(6000-6200) : considered to be "Pennsylv=inian"
l o g picks.Thesestriatebi-saccs
.
ageaccordingto
were
used
because
other
useful
Carboniferous
palynomorphs were not observed and they do at least
give the maturity level
of the U. Penn-Permian and
probablytherestoftheintervaldownto
6200:
as no palynomorphs of greater maturity ,.were noted.
-
~
~.
.TAI = 3.0-3.4, late oil to wet gas generative zcne.(c&UrO
Vo
- All the plugs
S A ?
were examined
but
none of th'?m are
useful.
Tmax
-
All .the indicesindicatematuritylevelstobe
immature, S 2 peaks
are
practically
non-existent
in many
of the pyrograms or shifted to th'? left
reducing the Tmax values.
Production Index,Sl/Sl -I- 52) x 100
Interval 300-1200, Samples1-4
.Interval 4031-4380, Sample 14
19 are within COFRC
Interval 5800-5995, Sample
parameters 0.1-0.4, oil generative
zone.
BIOSTRATIGRAPHIC STUDY NO. 1478
Addendum 1, P4981
Page Three
Kerogen Types (MOA-Eydrogen Index)
Sample
-
P4981- 1
2
3
4
5
6
7
8
9
10
11
12
13
14
Microscopic
Organic Analysis
I1
I
I11IV
Interval
300-499
Cretaceous
Mancos
I,
500-699
11
700-880
890-1200
Cretaceous
Dakota
1200-1499
Jurassic
Morrison
I,
1500-1799
2000-2150
Jurassic
Summerville
2150-2220
Jurassic
Todilto
2220-2390
Jurassic
Entrada
2400-2650
Triassic .
'
Chinle *
3740-3899
Triassic
3900-3950
Permian
San Andres
3952-4030
Permian
Glorieta
4031-4380
Permian
Peso
15
16
17
4440-4480
It
4500-4890
4900-5200
Permian
I,
18
5720-5790
19
20
5800-5995
6000-6200
Ab0
U. Penn.
Hermosa?
U. Penn.
U. Penn.
-
E1
-
0
40
30
0
0
0
50
2525
70
103
130
137
0
50
93
30
82
60
60
50
0
0
0
50
65
0
go*
113
. 0
.
80*
0
60
0
0
80
0
80*
0
0
82
'
40
159
150
..
39
70
29
20
23
10
0
0
45 45
60
165
25
*See Discussion on Page 1)
NOTE: None of the HI values are very useful in characterizing kerogen
types because of the low TOC indices andor the S2 indic?s.
. .
BIOSTRATIGRAPHIC STUDYNO. 1478
ADDENDUM 1, P4981
Page Four
Sample
. Interval
Age
TOC
(wt %)
P4981300-499
1
Cretaceous
1.32
(1-2,
Mancos
It
1.18
2 500-699
,I
1.22
'
3 700-880
Cretaceous
1.23
4 890-1200
Dakota
Jurassic
0.14
(0-0.5,
5 1200-1499
Morrison
It
0.15
6 1500-1799
Jurassic
7 2000-2150 0.12
Sumerville
.Jurassic
0.23
8 2150-2220
Todilto
Jurassic
9 2220-2390 0.16
Entrada
1110 2400-2650 .Triassic
Chinle
0.10
11 3740-3899 Triassic
Permian
12 3900-3950 0.32
San Andres
0.22Permian
13 3952-4030
Glorieta
14 4031-4380
Permian
0.18
Yeso
11
0.17
15 4440-4480
11
0.15
16 4500-4890
4900-5200
17 Permian
0.13
5720-5790
18
U. Penn.
0.10
Hermosa?
0.31
U. Penn.
195800-5995
0.12
U. Penn.
20 6000-6200
.
.
52 (mg/g)
0.95
1.08
(0-2.5,
Good)
I,
0.95
8,
1.0
I,
1.2
1.21
1.58
1.69
0.16
0.13
0.13
0.16
0.C9
0.C6
11
0.83
0.15
It
trace
0.18
trace
0.09
- .
trace
trace
0.04
0.51
trace
0.33
p
o
o
r
)
11
11
...:e.
NOTEr
Organic
Yield
(ml/lOg)
11
.
.
.11
.
I,
9,
0.05
I,
I,
I,
1,
I,
It
. 0.07
0.09
I1
poor).
0.19
trace
trace
0.35
0.03
0.03
0.01
0.35
0.10
0.51
0.03
I,
I,
I,
I,
11
It
Yield values are not calibrated to any other organic quantity
measurements such as TOCor 52. These results are onlyOF
value f o r comparisons of one sample to another sample in the
same suite.
.
. . .
.
. .
..
.
. . * ..
.-
. . . .
_
_ . .. . . .
. .
BIOSTRATIGRAPHIC STUDYNO. 1478
ADDENDUM 1, P4981
Page
Five
DATA:
Sample
P4981-1
300-499
Cret. .
Mancos
Maturm
TAI' 2.7Oilgenerativezone.
.
VO
Tmax
429OC1
PI
0.14 (0.1-0.4, oil gen.
zone).
Kerogen Type, MOA
I O
I1 40% oil prone.
I11 30% gas prone.
IV 30%inert.
HI- 82? (0-150, indicates gas prone kerogen).
Amount of organics
WT % TOC
1.32
(1-2,
good).
Organic Yield 0.95 m1/10 g.
s2
1.080-2.5,
mg/g
poor).
Maturity
Sample
P4981-2TAI
500-699
Vo
Cret.
432OC?
Tmax
Mancos
PI
2.7-2.8Oilgen.zone)
-
0.10 (0.1-0.4,
oil
gen.
zone).
Kerogen Type, MOA
I O
I1 50% oil prone.
I11 25% gas prone.
IV 25%inert.
HI
1031 (0-150, indicates gas prone kerogen)
Amount of organics
WT % TOC
1.18 (1-2, @;odd).
Organic yield 0.95 m1/10 g.
52
(0-2.5,
mg/g
1.21
poor.).
. ,...
BIOSTRATIGRAPHIC STUDYNO. 1478
ADDENDUM 1, P4981
Page Six
Sample
Maturity
P-4981~3
700-880
Cret
Mancos
TAI
2.7-2.8Oilgen.zone.
VO
Tmax 428'C?
PI
0.19
(0.1-0.4,
oil gen.
zone).
-
.
Kerogen Type, MOA
I O
11 60% oil prone.
I11
IV
HI
130? (0-150, indicates gas prone kerogen.)
Amount of organics
WT % TOC
Organic yield
52
1.22 (1-2, good).
1.0 m1/10 g.
(0-2.5,
mg/g
1.58
poor).
Sample
Maturity
P4981-4TAI
2.7-2.8Oilgen.
zone.
~.
890-1200 Vo
Cret
Tmax 429'C?
PI
0.12 (0.1-0.4,oilgen.zone).
.
..
Kerogen Type, MOA
I
O
70% oil prone.
I1
I11
".
LV
HI
1371 '(0-150, indicates gas prone kerogen).
Amount of organics
WT % TOC
1.23 (1-2,
Organic yield
s2
.
..
.....
,
"
..
. .
..
...
good).
1.2 m1/10 g.
mg/g
1.69
(0-2.5, p
oor.)
.
.
.
..........
. . . ..
..
BIOSTRATIGRAPHIC STUDYNO. 1478
ADDENDUM 1, P4981
Page Seven
Sample
P4981-5 .
1250-1499
Jur
Morrison
.
Maturity
TAI
Vo
No plug.
Tmax 393OC1 Low
52.
0.461 (0.1-0.4, oil gen. zone).
PI
-
Kerogen Type, MOA
Lost circulation
I I1 50% oil prone. material present.
I11
IV
HI
93? TOC
less than 1%, low
S2 Value.
Amount of organics
WT % TOC
0.14 (0-0.5,poor).
Organic yield 0.16 ml.10 g.
s2
mg/g
0.13
(0-2.5, poor.).
. ..
Sample
Maturity
P4981-6 TAI
Poor recovery of organics and palynomorphs, minerals common.
1500-1700VO
NO plug.
Tmax 311 C? Low 52 value.
Jur
Morrison PI
0.47T(0.1-0.4,oilgen.zone).
-
.
Kerogen Type, MOA
I Poor recovery of organics.
I1
111
IV
HI
601 TOC less than I%, low
S2 value.
Amount of organics
WT % TOC
0.15
(0-0.5, poor).
Organic yield 0.13 m1/10 g.
s2
0.09(0-2.5,
mg/g
poor).
. .
1
-.
..
...... . ,. . .
. :.,
..
. I
. ,
.
BIOSTRIGRAF'HIC STUDY NO. 1478
ADDENDUM 1, P4981
Page Eight
Sample
Maturity
P4981-7
2000-2150
.
Jur
Summerville
TAI
Poorrecovery of palynomorphs.
VO
Tmax 286OC1 Low 52 Values.
PI
0.45'' (0.1-0.4,oilgen.zone)
-
Kerogen Type, MOA
I Lost circulation material present,
I1 poor recovery of organics.
I11
IV
E1
50? TOC less than I%, low S2 values.
Amount of organics
0.12 (0-0.5, poor).
WT % TOC
Organic yield
0.16 m1/10 g.
s2
0.06 mg/g (0-2.5, poor).
Sample
P4981-8
MaturitE
2150-2220
VO
No
plug.
Tmax 335OC1
PI
0.611
.
Jur
Todilto
TAI
-
Low S 2 value.
0.1-0.4, oilgen.zone).
Kerogen Type, MOA
I O
circulation
Lost
I1 50% oil prone. material present.
I11
IV
HI
651
TOC less than 1%, low S2 value.
Amount of organics
WT % TOC
0 . 2 3 (0-0.5, poor).
Organic yield 0.83
m1/10 g.
s2
0.15 mg/g (0-2.5, poor).
BIOSTRATIGRAPHIC STUDY NO. 1478
ADDENDUM 1, P4981
Page
Nine
Sample
P4981-9
2220-2390
Jur
Entrada
.
Maturity
TAI
-
Poor recovery of palynomorphs.
Vo
No
plug.
Tmax 359OC1 Low 52 value.
PI
0.471(0.1-0.4,
oil gen.zone).
Kerogen Type, MOA
O
May
11
I11
IV
90% prone.
oil
intermediate-between~Types
HI
113? TOC less than 1%, low
I
algal
kerogen
I and 11.
Amount of organics
WT % TOC
0.16
(0-0.5,
Organicyieldtrace
52
(0-2.5,
mg/g
0.18
Sample
Maturity
P4981-10
TAI
2400-2650 Vo
Tri.
Tmax
271°C?
Chinle
PI
bean
2.2 value.
poor).
poor).
Low S2 VAlue.
0.441 (0.1-0.4, oil gen.
zone).
Kerogen Type, MOA
T
-
11
I11
O
-
80% oil prone.
IV
HI
821 TOC less than
May be an algal .
kerogen intermediate
between I and 11.
1%, low S2 value.
Amount of organics
WT % TOC
0.11 (0-0.5, poor).
.Organicyieldtrace.
52
0.09 (0-2.5,
mg/g
poor).
BIOSTRATIGRAPHIC STUDYNO. 1478
ADDENDUM 1, P4981
Page
Ten
Sample
P4981-11
3740-3899
Triassic
Maturity
TAI Vo
Tmax 403OC? Low 52 value.
PI
0.64? (0.1-0.4,oilgen.zone).
-
Kerogen Type, MOA
I
material
circulation
Lost
I1
present, wood tissue.
I11
IV
401 TOC less than 1%, low
HI
S2
VAlue.
Amount of organics
0.10 (0-2.5, poor).
Organicyieldtrace.
52
0.04(0-2.5,
mg/g
WT % TOC
&).
Maturity
Sample
P4981-12 TAT
3900-3950 Vo
No plug.
Permian
Tmax
353OC?
San AndresPI
0.501 (0.1-0.4,oil gen. zone).
Kerogen Type, MOA
I - ,
I1
I11
ciruclation
Lost
material
present. Woody tissue common.
IV
HI
1591TOClessthan
1%.
Amount of organics
WT % TOC
0.32 (0-0.5, poor).
Organicyieldtrace.
52(0-2.5,
mg/g
0.51
poor.)
.
.
..
, .
. ~ .
. .. . ..,.
~
- .
~
t&j
BIOSTRATIGRAPHIC STUDY NO. 1478
ADDENDUM 1, P4981
Page Eleven
Maturity
Sample
P4981-13 TAI
Very poor recoveyr of palynomorphs.
NO D1UZ.
3952-4030VO
~Perm.
h a x 353Oc?
Glorieta
PI
0.421(0.1-0.4,oilgen.zone).
Kerogen Type, MOA
I O
I1 80% oil prone.
111
IV
HI
1501TOClessthan
1%.
Amount of organics
WT % TOC
0.22
(0-0.5, poor).
Organicyieldtrace.
s2
(0-2.5,
mg/g
0.33
poor).
Sample
P4981-14
4031-4380
Permian
Yeso
~
~
~~
Maturity
TAI VO
Tmax 380°C?
Low 52 value.
PI
0.36?(0.1-0.4,oilgen.zone).
~~~~
Kerogen Type,MOA
I O
I1 80% oil prone.
I11
IV
HI
39? TOC less than
I%, low S2 value.
Amount of organics
WT % TOC
0.18 (0-0.5, poor).
Organic yield
0.09 m1/10 g.
s2
0.07 (0-2.5,
mg/g
-poor-).
BIOSTRATIGRAPHIC'STUDY NO. 1478
ADDENDUM 1, P4981
Page Twelve
Sample .
P4981-15
Maturity
TAI
4440-4480 Vo . .
Tmax 277OC1 Low S2 value.
Permian
PI
0.557(0.1-0.4,oilgen.zone).
Yeso
-
Kerogen Type,MOA
I
I1
I11
IV
HI
291 TOC less than
1%, low S2 value.
Amount of organics
WT % TOC
0.17
(0-0.5,
poor).
Organic yield 0.19 m1/10
g.
0.05 mg/g (0-2.5, poor).
.s2
Sample
P4981-16
4500-4890
Permian
Peso
Maturity
TAI
VO
.
Tmax277OC1
PI
0.571
-
Low 52 value.
Low S2 vlaue.
Kerogen Type, MOA
I
I1
I11
IV
70%inert.
HI
201 TOC less than
1%, low 52 value.
Amount of organics
WT % TOC
0.15 (0-0.5, poor).
Organicyieldtrace.
S2
0.03 mg/g (0-2.5, poor).
BIOSTRATIGRAPHIC STUDY NO. 1478
ADDENDUM 1, P4981
Page Thirteen
Sample
Maturity
P4981-17TAI
- Poorrecovery of palynomorphs.
4900-5200Vo
No plugmade.
PermianTmax3OO0C?Low
52 value.
PI
0.571 Low S 2 value.
Ab o
Kerogen Type, MOA
I
recoveryPoor
organic
I1
I11
IV
HI
231 TOC less than
of
material.
I%, low S2 value.
Amount of organics
WT % TOC0.13(0-0.5,
poor).
Organicyieldtrace.
s2
0.03 mg/g (0-2.5,poor).
Sample
Maturity
P4981-18 TAI Poor recovery of palynomorphs.
5720-5790Vo
No plugmade.
Penn
Tmax253OC1
Low 52 value.
Hermosa? PI
0.671(0.1-0.4,'oilgen.zone).
'
.
Kerogen Type, MOA
I
recoveryPoor
of
organic material.
I1
I11
IV
HI
10'1 TOC less than 1%, low S2 value.
Amount of organics
0.10 (0-0.5, poor).
WT X TOC
Organic yield
0.35 m1/10 g.
52
0.01 (0-2.5,
mg/g
poor).
BIOSTRATIGRAPHIC STUDY NO. 1478
ADDENDUM 1, P4981
Page Fourteen
Sample.
Maturity
P4981-19 TAI Poor recovery
of palynomorphs.
5800-5995 VO
Penn.
Tmax404OC.
PI
0.33 (0.1-0.4, oil gen. zone).
'
Kerogen Type, MOA
I
I1
111 45% gas prone.
IV45%inert.
HI
165 ?
TOClessthan: 1%,
(150-300, mixed . .oil-gas prone kerogen).
Amount of organics
WT % TOC
0.31
(0-0.5,
Organic yield 0.35 m1/10
s2
(0-2.5,
mg/g
0.51
poor).
-
g.
poor).
Sample
Maturity
P4981-20 TAI
3.0-3.4 Late oil-wet gas gen. zone. Note: Based
on Permian
6000-6200 Vo
Formation.
Penn
Tmax
348OC7
PI
0.507(0.1-0.4,oilgen.zone).
.
Kerogen Type, MOA
I
11
I11
IV
HI
60% inert.
25? TOC less than
1%, low S2 value.
Amount of organics
0.12 (0-0.5, poor).
WT % TOC
Organic yield
0.10 m1/10 g.
52
mg/g
0.03
(0-2.5, poor).
ATTACHMENTS:
DGSI report dated October8, 1985
Table 1, COFRC Geochemical Parameters.
Fig. 1, TAI-Vo Equivalency Chart.
Fig. 19, HI/Tmax Plt.
J. D. SAXTON
Noweber 15, 1985
JDS: jbd
I
O W I C CARBOB AND ROCK-NAL PYROLYSIS DATA
CHEVRON U.S.A.
Project
SAMPLE IDENPIFICATION
DEPIH (Feet)
P4979P4980P4980P4980-
.
9
1
2
3
I
I
M C
H.it*
I
CG51/85/131
S1
mglg
52
53
mglg
wlg
0.76
1.58
T-max 5 1 / M C S2/TOC 53/TOC
desC
SZIS3 51/51+SZ
PI
HI
01
137
93
64 0.101.59
62 0.19
2.08
53
0.12
2.60
0.20
464 '0.46
t
r
I'
t
1.22
I 1.69
0.24
1.23
0.65
I 0.13
0.11
0.14
0.38
:
---
P49816
P49817
P4981- 8
P49819
P4981-10
t
-
I
0.08
0.05
0.48
0.09
0.06
0.28
P4981-11
P4981-12
P4981-13
P4981-14
P4981-15
I
0.52
0.04
0.62
0.51
0.87
P4981-16
P4981-17
P4981-18
P4981-19
P4981-20
I
P49812
P49813
P49814
P4981- 5
:
I
I
I
I
:
I
x
I
t
I
t
I
t
t
---
I0.76
1.21
0.14
1.18
I
0.15
I
0.12
11.23
0.15
0.23
0.23
0.72
0.18
I 0.16
0.16
.271- 0.160.09
I -0.070.11
--
----
I 0.07
0.10
I
0.32
0.25
I0.33
0.24
0.22
0.23
I0.07
0.04
0.18
I
0.17
0.21
0.03
I 0.040.15
0.32
I0.03
0.04
0.13
0.01
I 0.02
0.10
I0.51
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