New Mexico Bureau of Mines & Mineral Resources
Socorro. N M 87801
A DIVISION OF
NEW MEXICO INSTITUTE OF MlNlNO
Information: 505/835-5420
& TECHNOLOGY
Publiacionr: 505/835-5410
October 6, 1981
.
c
....
MEMO
-
Frank E. Kottlowski,Director
FROM :
S a m Thompson 111, Petroleum Geologist
SUBJECT: Open-file report no. OF-152
TO :
As we discussed, the following report from GeoChem
Laboratories, Inc. is to be placed in the Bureau Openfile:
OF-152
ST:
Hydrocarbon source-rock evaluation study,
Cockrell Corp.No. 1 Pyramid Federal well,
Hidalgo County, New Mexico, L.byPaul Tybor,
GeoChem Laboratories, Inc.,1981, 11 p.
(including 2 p. text, 8 tables,.2 charts)
sn
-
.
cc: Mike R. Smith, GeoChem
Robert A. Bieberman, Subsurface Library
Robert W. Kelley, Editor
An Equal OpportunitYIAffmativive Action Institution
CRUDE oIL"SouRc~
GEOCHEMICALANALYSES
SOURCE ROCK EVALUATION
CHARACTERIZATION
OILCRUDE
GEOCHEMICAL PROSPECTING
1 1 4 3 4 BRllTMOORE ROAD 0 HOUSTON, TEXAS77043-5094
0 7131467-7011
September 15, 1981
Mr. Sam Thompson 111
New MexicoBureau o f Mines &
Mineral Resources
Socorro, New Mexico87801
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 s
of theorganicgeochemicalanalysesperformed
on w e l lc u t t i n g ss a m p l e s
from t h eC o c k r e l l No. 1 Pyramid FederalWell,located
i n Sec. 31-24S-l9W, HidalgoCounty,
New Mexico.
Upon a r r i v a l a t GeoChem thesampleswereassignedthe
and s u b m i t t e dt ot h ef o l l o w i n ga n a l y t i c a lp r o g r a m :
Table
-
Type of Analysis
Totalorganiccarbondetermination
& brief lithological description
C15+ s o x h l e te x t r a c t i o n ,d e a s p h a l t e n i n g and liquid
chromatography
........... I
.......11-A,-B,-C
C15+ paraffin-naphthenegas
chromatography
.............................
Visualkerogen
GeoChem Job Number 2090
111-A,-B,-C
assessment..................IV
Vitrinite reflectance....
.................. V;
Histogram
-2-
Mr. Sam Thompson I11
September 15, 1981
DISCUSSION OF THE RESULTS
A.
Thermal Maturity of Sediments
The t h e r m a lm a t u r i t y of theanalyzedPaleozoicsediments
from t h i s w e l l i s
3 t o 3+. A t t h i s l e v e l ofthermal
a verymatureMaturationIndexStage
m a t u r i t y ,t h i sw e l li n t e r v a l
i s consideredto bebeyond
t h e o i l window,
w i t h i n t h e wet gas-condensategeneratingzone.
T h i sm a t u r i t yi n t e r p r e t a t i o n
was based on t h e brown t o d a r k brown
c o l o r a t i o no ft h ek e r o g e ni s o l a t e d
from thesesamples.Alsothelower
2090-010
v i t r i n i t er e f l e c t a n c ev a l u e ,1 . 5 4 %
Ro (Table V), ofsample
i n d i c a t e s a verymaturegeothermalregime
f o r thesesediments.
B.
Hydrocarbon Source Characterization of Sediments
With t h ee x c e p t i o n of thelowestsamplewithinthePerchaFormation,
thesamples
from t h e s eP a l e o z o i cu n i t sa r eo r g a n i c - l e a n ,
w i t h poor
hydro'carbon g e n e r a t i n g c a p a b i l i t i e s .
a l l of
The lowestPerchasample
(2090-010) was a n a l y z e dt oc o n t a i nf a i r
amounts
( T a b l e I ) ofgas-proneorganicmatter
(woody and i n e r t i n i t e ;T a b l e
IV), and
as a r e s u l tt h i si n t e r v a l
i s c h a r a c t e r i z e da s a verymature,fairgas
source.
Should you haveanyquestionsconcerningthisstudy,orif
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.
we
may
be o f f u r t h e r
Sincerely,
Pd7&
P a u l Tvbor
LABORATORIES, INC.
GEOCHEM
st
Enclosures
Table I
SCREEN
ANALYSIS
SUMMARY
GeoChem
Sample
Number
We1 1
Interval
(Feet)
Brief Lithological Description
Total Organic
Carbon
( X o f Rock)
2090-001
5990-6000
Limestone, pinkish gray t o l i g h t gray.
0.14
2090-002
6060-6070
Limestone, p i n k i s h gray t o l i g h t gray.
0.10; 0.10R
2090-003
6160-61 70
Limestone, p i n k i s h gray t o brownishgray.
0.09
2090-004
6490-6500
Limestone, l i g h t brownish gray.
0.04
2090-005
6560-6570
Limestone, l i g h t brownish gray.
0.05
2090-006
6620-6630
Limestone, l i g h t g r a y t o brownish gray.
0.09
2090-007
6680-6690
Mudstone, brownishgray.
0.16; 0.16R
2090-008
6760-6770
Shale, medium dark gray t o darkgray.
0.26
2090-009
6790-6800
Shale, medium darkgray
t o darkgray.
0.30
2090-010
6840-6850
Shale, medium darkgray
t o darkgray.
0.68
2090-01 1
6940-6950
Dolomite, brownish gray.
0.01
2090-01 2
6970-6980
Dolomite,brownishgray.
0.05
2090-01 3
7000-7010
Dolomite, brownish gray.
0.04
2090-014
71 00-71 10
Dolomite, brownish gray.
0.04; 0.04R
SUMMARY TABLE 1
nla
Very mature,
poor o i l and
associated gas
source.
DEVONIAN
Percha
6680Shale. medium
6860
to
gray
dark
2 6 4 dark gray.
69
(41
nla
(1)
nla
(1)
(2)
W-1;Am-H;-
0.35
(2)
(1)
-3
2.59
t o 3+
01:UOVIClAN
Montoya
Very mature,
poor o i l and
68606980
Dolomite,
brownish
gray.
(n2l a)
nla
nla
g a s a s s o c i a t endl an l a
6980-
7130
Dolomite ,
brownish
way.
( 1 )n l a
(1)
source.
h(AI);-;-
0.03
E l Paso
nla
Very mature,
overall m o r
hydrocarbon
source. The
lower portion
of t h i s u n i t
h a s a f a i r gas
source character.
(2)
0.04
nla
nla
nla
nla
(1)
Am;-.-
3
LO
(1)
3
3+
nla
t o 3+
n/a
Very mature,
poor o i l and
gasassociated
source.
b5E
LE'O
8'OE
5'EZ
9L'O
51'0
12'0
91'0
60'0
89'0
OIi89-Otr89
010-0602
SISAlOUAd lVA3-XIOU 30 SllflS3U
V-I 3 1 W L
TABLE I1
Summary of c15+ Soxhlet Extraction, Deasphaltening
and Liquid Chromatography
A.Weights
GeoChem
Sample
Number
2090-010
of E x t r a c t s and Chromatographic Fractions
of
Well I n t e r v a l
6840-6850
Weight
PrecipiT
t aot teadl
Rock Extd. Extract A s p h aSlSot eul u
nl fb
eusl re
(grams) (grams)
(grams)
(grams)
(grams)
(grams)
(grams)
(grams)
(grams)
100.0
0.0264
0.0155
N-C5
ParaffinsNaphthenes
0.0109
0.0003
0.0049
Eluted
Noneluted
NW'S
Aromatics Nm'S
0.0020
0.0029
0.0008
E. Concentration of E x t r a c t e d M a t e r i a l s i n Rock
------------Nonhydrocarbons"------------
--------Hydrocarbons-------GeoChem
Sample
Number
2090-010
ParaffinTotal
Extract
Well I n t e r v a l(prim) (Ppm)
6840-6850
Preciptd.
Eluted
Noneluted
Naphthene
Aromatic
(ppm) (ppm)
49
264
NSO'S
Total
Sulfur
Asphaltene
( P P( P
dP~)
69
20
29 3
NSO'S
(ppm)
(ppm)
8
155
Total
(ppm)
195
C. Composition of E x t r a c t s
GeoChem
SulfurAromatic
Naphthene
Sample
Number
2090-010
------------Nonhydrocarbons------------
--------Hydrocarbons-------Paraffin-
Well I n t e r v a l
6840-6850
I
I
18.6
7.6
PN/Arom
2.45
I
1.1
Eluted
Noneluted
Precipitd.
NSO'S
NSO'S
Asphaltene
I
I
11.0
3.0
I
58.7 26.1
HC'S
Asph/NSO
4.19
S
HC/Non HC
0.35
TABLE 111-A
S a t u r a t e Hydrocarbon Analyses
Summary of Paraffin-Naphthene Distribution
GeoChem
Sample
Number
4.0
x
s
s
C P
Well Interval
Paraffin
Isoprenoid
Naphthene
Index
32.96840-6850
2090-010
c-P
Index B ip19/ip20
A
63.1
1.01
1.58
1.08
TABLE 111-B
S a t u r a t e Hydrocarbon Analyses
Normalized Paraffin Distribution
GeoChem
Sample
Number
2090-010
6840-6850
Well Interval
~
x
x
nC15
nC16
nC17
5.3
7.4
x
a
~
s
z
a
x
s
s
x
s
x
x
~
i p l 9 nC18 iP20 nC19
nC20
nC21
nC22
nC23
nC24
nC25
nC26
nC27
nC28
nC29
nC30
nC31
nC32
9.1
6.7
9.4
4.2 7.1
9.1
6.6
6.5
6.0
4.8
3.9
3.2
2.7
2.31.41.41.9
0.6
z
z
nC33 nC34
nC35
0.3
0.1
0.0
z
x
~
t
TABLE V
VlTRlNlTE
REFLECTANCE
SUMMARY
GEOCHEM
SAMPLE
NUMBER
6850
2090-010
DEPTH
(tam!)
TYPE
OF
POPULATION NUMBER
OF
SAMPLE
READINGS
m
0.452
(1)
(2)2.85
MAXIMUM
MEAN
MINIMUM
REFLECTANCE REFLECTANCE REFLECTANCE
( Yo Ro)
[ 70Ro)
( Yo Ro)
17 . 2.24
433.89
1.54
2.32
1.93
DEV.
STD.
( 70Ro )
0.200
REMARKS
+
GEOCHEM
NO.
2090-010
CLIENT‘S NAME
NEW
TYPE OF SAMPLE:
m
c
0 BUREAU OF
2.23 2.24
2.32
2.34
2.59
2.62
2.63
3.29 3.33 3.34
POPULATION
NO.
1.54 (1)
(2)
2.34
2.36
2.69
2.70
2.78
3.36 3.40
3.56
OF READINGS
MIN.
17
43
RO
2.32
2.37
2.78
3.81
%I
1.80 1.82
1.91
1.93
1.93
2.38
2.39
2.39
2.41
2.41
2.82 2.83 2.87
2.94
2.95
3.84 3.89
MAX. RO (70)
2.24
3.89
MEAN R o ( ” , ,
1.93
2.85
NO.
6850
aCKRFml#l PYRAMID m
FmL
WELL NAME
MINES
(NO. OF READINGS = 60)
1.54
1.63
1.72
1.76
2.U
2.58
3.28
DEPTH /SAMPLE
CTG
2.00
2.43
3.00
DE!
STD.
2.02 2.03
2.43
2.48
3.03 3.12
( %)
2.08
2.54
3.20
REMARKS
0.200
0.452
C - CAVE CONPAMTNATION
X - INDIGENOUS POPULATION
0 - RECYCLED POPUIATION (S1
2.10
2.58
3.23