of

advertisement
New Mexico Bureau of Mines and Mineral Resources
Open File Report No. OF 196
HYDROCARBON SOURCE-ROCK EVALUATION STUDY,
GUEST AND WOLFSON NO. 1 DIANA WELL
LUNA COUNTY, NEW MEXICO
by. L. Paul Tybor
GeoChem Laboratories, Inc.
Houston, Texas
April 15, 1982
SOURCE ROCK EVALUATION
CRUDE OIL-SOURCE ROCK CORRELATION
11494 WTFMOORE ROAD
CRUDE OIL CHARACTERIZATION
OEOCHEMICALpRospEcTING
HOUSTON, TEXAS 77043-5094
713/467-7011
A p r i l1 5 ,
1982
Mr. Clayton S . Valder
M a r s h a l l R. Young O i l Co.
750 West F i f t h S t r e e t
F o r t Worth,Texas76102
Dear Mr. Valder:
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 l c u t t i n g s s a m p l e s
from theGuest & Wolfson No. 1 D i a n a , l o c a t e d i n S e c .
16-23S-llW, LunaCounty, New Mexico.
Upon a r r i v a l a t GeoChem the samples were a s s i g n e d t h e
followed by thesample numbers -001 t o -038.
GeoChem J o b Number 2261,
Thesesamplesweresubmittedtothefollowinganalytical
program:
Table
Analysis
Type of
% t o t a lo r g a n i cc a r b o nd e t e r m i n a t i o n
& brief lithological description..
..............I
P y r o l y s i s a n a l y s i s ..............................
11
Visual kerogen assessment........
...............111
Vitrinite reflectance...........................IV
DISCUSSION CIF THE RESULTS
A.
Thermal M a t u r i t y of Sediments
Based on k e r o g e n c o l o r a t i o n ( T a b l e I I I ) , t h e t h e r m a l m a t u r i t y
of t h e
sedimentsrangesfromanimmatureMaturationIndexStage
1+ a t 1840L f e e t ,
within t h e T e r t i a r y t u f f and a g g l o m e r a t e , t o a moderately mature Maturation
Index Stage 2 t o 2+ a t 7870+ f e e t , w i t h i n t h e Cambrian B l i s s Sandstone.
-
Mr. Clayton S. Valder
A p r i l 15, 1982
-2-
The rocks from1840
f e e t t o 2060 f e e ta r et o o
immature, t o havegenerated
well
anyhydrocarbonotherthanbiogenicmethane
(C1) gas.Between
depths 2370 f e e t t o 6620 f e e t ,t h er o c k s
are t o oo r g a n i c - l e a nt oa s s e s s
This i n t e r v a l i s canprised of redshale,
t h e i rl e v e l s ofthermalmaturity.
Lower Paleozoic
sandstone and v o l c a n i c s , which i s Cretaceous i n age.The
sediments from 6720 f e e t t o 7870 f e e t have a a t t a i n e d moderately mature
m a t u r a t i o n l e v e l s , which is considered well w i t h i n t h e o i l window. These
moderatelymaturerockshaveexperiencedsufficienttime
and t e m p e r a t u r et o
havegeneratedandexpelledlargequantities
of hydrocarbon,providedthese
sedimentsareorganicallyrich.
(3) samples(Table
Vitrinitereflectanceanalysis
was performedonthree
IV),however,due
t ot h ev e r yo r g a n i c - l e a nn a t u r e
of t h e s er o c k s ,n o
r e f l e c t a n c e r e s u l t s were o b t a i n e d .
B.
Hydrocarbon
Source
Characterizations
A l l thesedimentsanalyzed
from t h eT e r t i a r y ,C r e t a c e o u s ,S i l u r i a n ,
OrdovicianandCambrian-agerockunitsaredeficientinorganicmatter
(%
TO€; Table I )w i t hp o o rh y d r o c a r b o ng e n e r a t i n gp o t e n t i a l .
The verypoor
f r e eh y d r o c a r b o ny i e l d s( S I ;T a b l e1 1 )
andhydrocarbongenerating
p o t e n t i a ly i e l d s( S 2 ;T a b l e
111) o b t a i n e df r a nt h ep y r o l y s i sa n a l y s i s
s u b s t a n t i a t et h en o n h y d r o c a r b o nc h a r a c t e r i s t i c s
of t h e s e r o c k s .
Shouldyouhaveanyquestionsconcerningthisdata,of
a s s i s t a n c et o y o u ,p l e a s ef e e lf r e et oc o n t a c t
i f we can be of f u r t h e r
us.
Yours t r u l y ,
Paul Tybor
P r o j e c tC o o r d i n a t o r
GEOCHFNLABORATORIES,INC
st
Enclosures
.
Table I
SCREENANALYSIS
SUMMARY
TotalOrganic
Carbon
(% o f Rock)
GeoChem
Sample
Number
We11
Interval
(Feet)
Brief Lithological Description
2261-001
1820-1840
Composite:
volcanicrock
and agglomerate.
0.08
2261-002
2040-2060
Composite: volcanicrock
and agglomerate.
0.08
2261-003
2200-2230
Composite:
volcanicrock
and agglomerate.
0.11
2261-004
2350-2370
Composite:
volcanicrock
and agglomerate.
0.06
2261-005
2500-2520
Composite:
volcanicrock
and agglomerate.
0.06/0.06
2261-006
2640-2670
Composite:
volcanicrock
and agglomerate.
0.07
2261-007
2850-2870
Composite: volcanicrock,
agglomerate.
red shale and
0.06
2261-008
3000-3020
Composite: volcanicrock,redshale
agglomerate.
and
0.07
2261-009
3150
Composite: volcanicrock,redshale
agglomerate.
and
0.10
2261-010
3300-3320
Composite: volcanicrock,redshale
agglomerate.
and
0.06
2261-011
3450-3460
Composite:
rock (15).
red shale (85), volcanic
0.07
2261-012
3600-3620
Composite:
redshale
and volcanicrock.
0.08
2261-013
3800-3810
Composite:
redshale
and volcanicrock.
2261-014
3950-3960
Composite:red
2261-015
4100-4120
Composite:
2261-016
4250-4270
Cmposite:redshale
2261-017
4400-4420
2261-018
shale and volcanicrock.
0.08/0.08
0.06
and volcanicrock.
0.08
and volcanicrock.
0.10
Composite:
red shale and volcanicrock.
0.10
4550-4570
Composite:
red shale and volcanicrock.
0.05
2261-019
4650-4670
Composite:
red shale and volcanicrock.
0.05
2261-020
4800-4820
Composite:
red shale and volcanicrock.
0.08
2261-021
4950-4970
Composite:
red shale and igneousrock.
redshale
0.05/0.05
Table I
SCREEN
ANALYSIS
SUMMARY
GeoChem
Sample
Number
,
Well
Interval
Total Organic
Carbon
( % of Rock)
Brief Lithological Description
(Feet)
2261-022
5050-5070
Composite:
Red shale and sandstone.
0.05
2261-023
5250-5270
Composite:
Red shale and sandstone.
0.06
2261-024
5400-5420
Composite:
Red shale and sandstone.
0.08
2261-025
5600-5620
Composite:
limestone.
Red shale,sandstone,and
0.09
2261-026
5850-5870
Composite:
1imestone.
Red shale,sandstone,
2261-027
6000-6020
Composite:
Shale, red (80), sandstone (20).
2261-028
6600-6620
Composite: Dolomite,red
red (20).
2261-029
6700-6720
Dolomite, p i n k i s h gray.
2261-030
6800-6820
Limestone, l i g h t brownish gray.
0.04
2261-031
6950-6970
Limestone, l i g h t brownish gray.
0.06
2261-032
7080-7100
Limestone, l i g h t brownish gray.
0.09
2261-033
7150-7170
Limestone, l i g h t brownish gray.
0.09
2261-034
7320-7340
Dolomite, l i g h t brownish gray.
0.06
2261-035
7550-7570
Dolomite, l i g h t brownish gray.
0.06
2261-036
7700-7720
Dolomite, l i g h t brownish gray.
0.08/0.08
2261-037
7800-7820
Dolomite, l i g h t brownish gray.
0.08
2261-038
7850-7870
Composite:
0.07
and
(80), shale,
Q u a r t z i t e and dolomite.
0.08
0.09
0.08
0.05/0.05
PAGE 1 OF 1 PAGE
T.O.C.
51
s2
s3
i
PC*
Hydrogen
Index
Oxygen
Index
PI
Tmax
TABLE I I
RESULTS OF ROCK-EVAL PYROLYSIS
2261-002
2261-004
2261-007
2261-010
2261-013
2261-016
2261-019
2261-023
2261-025
2261-027
2261-028
2261-029
2261-030
2261-031
2261-032
2261-033
2261-034
2261-035
2261-036
2261-037
2261-038
2040-2060
2350-2370
2850-2870
3300-3320
3800-3810
4250-4270
4650-4670
5250-5270
5600-5620
6000-6020
6600-6620
6700-6720
6800-6820
6950-6970
7080-7100
7150-7170
7320-7340
7550-7570
7700-7720
7800-7820
7850-7870
234
424
302
271
271
271
443
375
301
312 0.11
317 0.11
292
297
306
271 0.04
443
444
255
269
270
271
0.01
0.01
0.03
0.03
0.04
0.04
~.
0.05
0.06
0.09
0.10
,
0.04
0.02
0.03
0.02
0.02
0.02
0.02
0.01
0.01
0.02
~~
~~
0.09
. ..
~
0.05
0.07
0.09
~
~
~~
0.09
0.06
0.06
~
~~
0.00
0.00
0.00
0.01
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.01
0.75
0.21
0.19
0.24
0.33
0.44
0.33
0.33
0.33
0.30
0.39
0.35
0.26
0.23
0.25
0.17
0.24
0.28
0.30
0.22
0.26
0.25
0.17
0.37
0.25
0.29
0.33
0.33
0.30
0.20
0.17
0.17
0.20
0.17
0.17
0.33
0.00
0.01
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.01
0.01
0.01
0.00
0.00
0.00
0.01
0.01
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
.
Total organic carbon, w t . S ’
Free hydrocarbons, mg HC/g of rock
= Residual hydrocarbon potential
( M HC/K Of rock)
= W Z produce2 from kerogen pyrolysis
(wg C02/g of rock)
D
0.083
(S1
+ S2)
=
mg HC/g organio carbon
=
=
mg C02/g organio carbon
SI/Sl+S2
I
Temperature Index, degree0 C.
0.08
0.06
0.06
0.06
0.08
0.10
0.05
0.06
0.09
0.09
0.08
0.05
0.04
0.06
0.09
0.09
0.06
0.06
0.08
0.08
0.07
50
83
100
150
125
90
100
116
100
122
137
180
150
100
44
0
0
16
0
0
0
937
350
316
400
412
440
660
550
366
333
487
700
650
383
277
188
400
466
375
275
371
Table V
I
VITRINITE
REFLECTANCE
GEOCHEM
SAMPLE
NUMBER
NUMBER
DEPTH
2261-007
2870
mi
INSWFICIFM! KEROGQU FLOAT
2261-016
4270
crc;
No VITRINITE
2261-025
5620
CfG
No VITRINITE
(trot)
TYPE
OF
POPULATION
OF
SAMPLE
READINGS
SUMMARY
MINIMUM
MAXIMUM
MEAN
REFLECTANCE REFLECTANCE REFLECTANCE
STD.
DEV,
( Yo Ro)
(YoRo)
( '10 R o )
( Yo RO 1
REMARKS
Download