New
Mexico
Bureauof Mines and Mineral Resources
Open File Report No. OF-236
ORGANIC GEOCJBMICAL ANALYSIS, GULF OIL CORF'.
NO. 1 SIERRA STATE K WELL, SIERRA COUNTY, N E W MEXICO
By Stephen R. Jacobson, James S. Rankiri,
and James D. Saxton
Chevron U.S.A., Inc.
Denver, Colorado
and Gary W. Ruth
Brown and Ruth Laboratories, Inc.
Houston, Texas
May 11, 1984
Chevron
Chevron U.S.A. Inc.
U
700 South Colorado Blvd., P. 0. Box 599,Denver, CO 80201
May 11, 1984
M r . S. Thompson 111
New Mexico
Bureau
of
,
Mines and Mineral Resources
Socorro, NM 87801
Dear
Mr. Thompson:
E n c l o s e dp l e a s ef i n dt h ec o m p l e t e dr e s u l t s
of theorganicgeochemicalanalyses
411 S i e r r a S t a t e "K", 35-12S-lW, S i e r r s . Co., and
performed on samples from the Gulf
the
Plymouth
#I F e d e r a l , 15-20S-9E, Otero Co.
Enclosed
also
i s t h ec o r r e c t e d
r e p o r t f o r t h e H o u s t o n O i l and Minerals well. As you may r e c a l l t h e r e was a mix-up
we a c t u a l l y a n a l y z e d t h e #2 Lewelling (10-12S-9E, O t e r o C o . ) ,
with the samples, and
rather than the
#1 Lewelling (12-12S-9E).
D i s t r iG
c te o l o g i s t
Enclosures
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GEOCHEMICAL REPORT
TOC & Rock-Eva1 P y r o l y s i s R e s u l t s
Gulf Oil Sierra S t a t e "K"
Sierrfl
INC.
BROWN & RUTHLABORATORIES,
10690 Shadow Wood, S u i t e 130
Houston, T e x a s 77043
7131464-3284
....
.
..
.
~
..
September 22, 1983
Chevron U.S.A. Inc.
Central Region
P. 0. Box 599
Denver, CO 80201
Attention:
S . R. Jacobson
Gentlemen:
Attached are the results of our analysis of the 25 samples from Gulf Oil Sierra
State "Kt',SierraCounty, New Mexico, The workwas authorized by y?ur Work
No. CMEN2100.
All unused sample is being returned under separate cover.
We appreciate the opportunity to be
questions regarding these data, then
of service to Chevron.
pleasecontact us.
If you have any
Very truly yours,
BROWN B RUTH LABORATORIES, INC.
Gary
GWRlkrll9
Enclosures
x. Ruth
GEOCHEMICAL REPORT
- 746
CLIENT:
CHEVRON U.S.A. INC.
P. 0. Box 599
Denver. Colorado 80201
WELL:
Gulf Sierra State "K"
LOCATION:
Sierra County, NewMexico
35-125-1W
SAMPLEMATERIAL:
A total of 25 samples ofwell
cuttings were received. Each appeared i l
reasonably good condition, and no evidence ofmajor contamination was
apparent.
SAMPLEPREPARATION:
Eachsamplewas visually examined for contaminants and cleaned where
necessary.Splits
of the samples were taken,groundtoafinepowder,and
then analyzed.
D A T A EVALUATION:
The results of the analyses are presented in the attached
criteria are suggested for interpreting the pyrolysis data:
SOURCE
POTENTIAL
s2
4
PETROLEUM TYPE
HYDROGEN
INDEX
DRY GAS
MARGINAL 200-300 MIXED
2.5-5.0
WET GAS
GOOD
>5.O
OIL
POOR
2D-5.0
>5.0
e200
GASPRONE
~ 3 0 0OILPRONE
The following
THERMAL
MATURITY
s2Is3
e25
e2.0
Table.
Tmax
e440
WMATU3E
440-470
>470
OIL
GAS
.I
TABLE I
Gulf Oil Sierra State "K"
Sierra County. New Mexico
File No. 746
1983September 21,
I
Results of OrganicCarbon Analysis and Rock-Eva1 Pyrolysis
Client
Sample
Number
746-001
I
746-004
746-005
1
I
746-006
746-007
i
746-009
746-010
746-011
I.D.
P4256-1
900-960'
T.O.C.
(%Wt.)
s1
(mglg)
s2
(mglg)
.
GmD.
S3
Tmax
( m g l g ) (OC)
Production
Index
S2
53
i
Hydrogen
Index
24
2.00
48
38
1.34
51
Oxygen
Index
1.30
0.19
0.62
' 0.31
P4256-2
980-1000'
0.99
0.22
0.50
0.38
458
0.31
P4256-3
1000-1040'
1.03
0.25
0.53
0.37
458
0.32
1.44
52
36
P4256-4
1040-1070'
1.02
0.22
0.63
0.39
452
0.26
1.62
61
38
P4256-5
1070-1100'
0.84
0.21
0.47
0.37
458
0.31
44
1.27
56
P4256-6
1100-1160'
1.03
0.35
0.75
0.28
456
0.32
28
2.66
73
P4256-7
1170-1200'
0.88
0.25
0.53
0.22
455
0.32
2.39
60
25
P4256-8
1290-1350'
0.68
0.17
0.34
0.25
456
0.34
1.38
50
36
P4256-9
1350-1400'
0.76
0.15
0.24
0.31
465
0.39
41
0.76
31
P4256-10
1400-1450'
0.87
0.24
0.75
0.32
37
2.34
86
P4256-11
1560-1600'
0.94
0.32
0.59
0.38
40
1.55
63
464
0.23
i
1
'
-
TABLE I
Gulf Oil Sierra State "K"
File N o . 746
September 21. 1983
Sierra County, N e w Mexico
Results of OrganicCarbon Analysis andRock-Eva1
Sample
Number
Client
I.D.
746-012
P4256-12
1640-1680'
T.O.C.
(%Wt.)
1.09
s1
(mglg)
52
(mglg)
S3
Tmax
(mglg) ( O C )
0.29
465
Pyrolysis
Production
Index
s3
S2
Hydrogen
Index
29
1.78
52
P4ld tf
746-013
746-014
746-015
746-016
746-017
746-018
746-019
746-020
Oxygen
Index
0.79
0.14
(0.10
**
"-
"_
42
P4256-I4
5510-5540'
1.51
0.26
(0.10
**
"-
-"
33
P4256-15
5580-5620'
0.82
0.14
(0.10
0.40
**
"-
"_
49
P4256-16
5620-5660'
0.84
0.13
(0.10
0.42
**
-"
"_
50
P4256-17
6000-6030'
1.53
0.38
(0.10
0.53
**
"_
"_
35
0.35
(0.10
0.23
**
"_
"-
11
0.95
< 0.10
(0.10
0.21
**
"-
"_
22
7120-7200'
1.40
0.11
(0.10
0.28
**
"-
_"
20
P4256-21
7290-7350'
1.28
0.12
(0.10
0.33
**
P4256-22
7380-7450'
1.10
< 0.10
(0.10
0.29
**
"_
"_
"_
_"
P4256-13
5480-5510'
P4256-18
6030-6080
P4256-19
6230-6270'
G@13
>
$:(
P4256-20
26
26
TABLE I
File No. 746
September 21, 1983
Gulf Oil Sierra State "K"
Sierra County, NewMexico
Results of Organic Carbon Analysis andRock-Eval
Sample
Number
bpi.
Client
I.D.
fl/"
746-023P4256-23
7450-7500'
nl,5"
746-024
P4256-24
1.27
7550-7600'
T.O.C.
(%Wt.)
s1
(mglg)
s2
S3
(mglg)
(mglg)
1.08
(0.10 (0.10
0.36
.
(0.10
c . 1 0
Tmax
(OC)
Production
Index
"_
**
!-J,
.-"-/
_I 0.39
I
414
i-
Pyrolysis
G
P'",,, \P'
fl --5%
S2
53
-"
0.27
Hydrogen
Index
"-
Oxygen
Index
34
8
30
p
2r'
0. ri.',f-+ 746-025P4256-25
7600-7700'
1.25
(0.10
**Unable to determine duetoinsufficient
(0.10
0.38
**
S2 yield, multiple peaks, etc.
--- "-
-"
31