New
Mexico Bureauof Mines and Mineral
Open File ReportNo. OF-348
Resources
ORGANIC GEOCHEMICAL ANALYSES
OF THE MERRION OIL AND GAS
C3RP.
NO. 1 ARENA B W C A WELL, MCKINLEY COUNTY,NEW MEXICO
by
Ann Brooke Reaugh and
Douglas A. Muckelroy
GeoChem Laboratories, Inc.
Houston, Texas
September 10, 1985
CHARACTERIZATION
QEOCHEMICAL PROSPECTINQ
1 1 4 3 4 BRITMOORE ROAD
HOUSTON.TEXAS 77043-6084
713/467-7011
September10,1985
Mr. Doug Endsley
HERRION O I L AND GAS CORP.
P.O.Box 840
Farmington, New Mexico 87499
I
RE: GeoChem J o b No: 3190
S i xS i d e w a l lC o r e sf r o m
NM
Dear Mr. Endsley:
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 geochemicalanalysesperformed
s u i t e o f s i x (6) s i d e w a l lc o r es a m p l e sf r o m
New Mexico.
Thesesamples
0
Table
0
0
0-1
a
were s u b m i t t e d eo t h ef o l l o w i n gg e o c h e m i c a la n a l y s e s :
T o t aolr g a n icca r b o n
and b r i elfi t h o l o g i c a l
descriptions
Rock-Eva1 p y r o l y s i s
V i s u akl e r o g e na s s e s s m e n t . . . . . . . . .
.................................
.......................... T a b l e
........... T a b l e
I
I1
Ill
Comments on EnvironmentofDeposition
o f S i xS i d e w a l lC o r e s
Submitted f o r Analyses
Samplesfrom
1 6 4 4 ' and 2 0 5 8 ' , t h e Late CretaceousMenefeemudstonesare
r i c h i n amorphoussapropel(oil-prone)withsecondaryamountsofterrestr!.allyt e r r e s c r i a l kerogen.AlthoughtheAe
d e r i v e dh e r b a c e o u s ,
woody andreworked
m u d s r o n e sw e r ed o u b t l e s sd e p o s i t e di n
a t r a n s i t i o n a le n v i r o n m e n t ,t h es e d i m e n t s
are r i c h i n m a r i n e - c y p ek e r o g e n .T r a n s i t i o n a le n v i r o n m e n t s ,i nl i g h to ft h e i r
l o c a t i o nb e t w e e n marine and t e r r e s t r i a le n v i r o n m e n t s ,a r ep r o n e
eo accumulate
k e r o g e nf r o mb o t hm a r i n ea n dt e r r e s t r i a ls o u r c e s .
I n chese c w s i d e w a l lc o r e s
over che t e r r e s t r i a l
t h e "marine"componentpredominacesvolumetrically
componenc.This"marine"kerogen
may have come f r o me u r y h l i n em a r i n ea l g a e
o r may haveaccumulatedfromfresh
accumulacing i n t r a n s i t i o n a l aqueoussystems
w a t e r( l a k eo r
stream) a l g a e . From chese t w s i d e w a l l s i t a p p e a r st h a tt h e
o r g a n i cm a t e r i a l i s predominantly amorphous i n c h a r a c t e r and c h a tt h e amo.rphous
k e r o g e n would havebeenche
f i r s t t o s o u r c eo i li nt h i ss e c t i o n .
The r e s u l t s of
Rock-Eva1 p y r o l y s i si n d i c a t ec h ef i r s t
mudsronesampled
( 1 6 4 4 ' ) h a dn e i t h e r
Thesecond
a d s o r b e d hydrocarbons(low
S I ) nor g e n e r a t i v e p o r e n t i a l (low S2).
a l a r g e Si
Menefee mudstone(2058')
i s c o n s i d e r a b l y more prospective.
With
i s e v i d e n c eo fr e s e r v o i r e dh y d r o c a r b o n si nt h i s
sample. Becausethe
p e a kt h e r e
i s predominanclymatureamorphouskerogen,
it a p p e a r st h a t
k e r o g e ni nc h i ss a m p l e
c h e amorphous kerogen may h a v es o u r c e dt h er e s e r v o i r e dh y d r o c a r b o n sa s s o c i a t e d
wichchemudstone.
Mr. Doug Endsley
-2-
September 10, 1985
Themudstonesamplefrom3554'
i s c o n s i s t e n tw i t ht h ek e r o g e nt h a t
would be
expectedfrom
a r e g r e s s i v em a r i n es e d i m e n t .
The s t r o n gp h y s i c a ls i m i l a r ! . t y
of
thekerogenwiththatfrom
t h e Menefee ( 2 0 5 8 ' ) s t r o n g l y s u g g e s t s t h a t t h e
Menefee
mudstone i s n o r em a r i n et h a nl a c u s t r i n ei nc h a r a c t e r .I n
t h i s samplethe
amorphouskerogen wouldbe
e x p e c t e dt os o u r c el i q u i dh y d r o c a r b o n sb e f o r ec h e
l e s s e rq u a n t i t yo ft e r r e s t r i a lk e r o g e nc o u l da c ta ss o u r c e .
[ A s you will see from t h e v i s u a l k e r o g e n assessmentworksheet,cavedor
The
d r i l l i n g mud contaminants a r e a s s o c i a t e d wich thesemudstonesidewallcores.
l e s s mature and have a d e f i n i t e UpperC.retaceous
'caved'materialsaredistinctly
O K Lower T e r t i a r yp o l l e nf l o r aa s s o c i a t e dw i t ht h e
woody kerogen i n them.The
the interpretationshere.]
cavedkerogen i s n o t i n c l u d e d i n
- an
The samplefrom 4 0 7 7 ' was r e p o r t e da sC r e t a c e o u sS e m i l l af o r m a t i o n
o f f s h o r es a n db a ro r
a c a l c a r e n i t e . The mudstonefrom
t h i s i n t e r v a l was
limits t h e
n o n c a l c a r e o u s . T h e c h a r a c t e ro ft h ek e r o g e ni nt h i ss a m p l e
This interval
e n v i r o n m e n t si nw h i c ht h i sm u d s t o n e
may havebeendeposited.
- kerogenwhich may havebeenoxidizedfromocher
containedonlyinertinite
kerogen. The "medium" s i z e of t h i sk e r o g e n may i n d i c a t e i t s t r a n s p o r ta sp o r to f
a sandbedload.Winnowingof
a sand body c o u l de x p l a i nt h el a c ko ff i n e r
A c a l c a r e n i t e o r mudstoneassociatedwith
a
( t y p i c a l amorphous)kerogen.
would
be
expected
calcarenite
t o i n c l u d e amorphouskerogen.
From the kerogen i t
a p p e a r st h a t
themudstonefrom
4077' was more l i k e l y t o h a v e
come from a
calcarenite.
t e m p o r a r i l y e m e r g e n to f f s h o r e sandbarthanfromanoffshore
The two mudstones5509'and
5518' from theEntradahavekerogentypeschat
a r ec o n s i s t e n tw i t ht h e i rw i d e l ya c c e p t e do r i g i na sa e o l i a ns a n da c c u m u l a t i o n s .
The i n e r c i n i t i c c h a r a c t e r of t h e i rk e r o g e n i s c o n s i s t e n t wich t h es e v e r e
o x i d i z i n ge n v i r o n m e n to fa e o l i a nd e p o s i t s .
Should we beof
p l e a s ea d v i s e .
s t u d y or anyochermatter,
f u r t h e ra s s i s t a n c ec o n c e r n i n gt h i s
Yours t r u l y ,
L
L
S
%?-&?i
Ann B r o o g Reaugh by
Douglas A . Muckelrov
GEOCHEM LABORATORIES,
INC
St
Enclosures
TABLE I
LITHOLOGICAL DESCRIPTIONS AND ORGANIC CARBON ANALYSES
MERRION OIL AND,GASCORP. - SIX SIDEWALL CORES FROM NEW MEXICO
SAMPLE
NUMBER
1644
ORIXNIC
C.iRBON
DEPTH
NO.
( f e e t ) DESCRIPTION
LITHO
(WC.%)
0.23
3190-001
100%Mudscone, v e r y l i g h t g r a y
2058
0.46
3190-002
100% Mudscone,verylightgray
3190-003
3554
100% Mudscone,verylightgray
3190-004
407
0.37l0.28
7
100%Mudscone, l i g h tg r a y
0.69
3 5509
190-005
100% Mudscone, l i g h t g r a y
5518
0.68
3190-006
100% Mudstone, l i g h t g r a y
TABLE I1
RESULTS Of ROCK-EVAL PYROLYSIS ANALYSIS
1644
3554
5509
3190-001
3190-002
2058
3190-002(Rinsed)
2058
3190-003
3190-003(Rinsed)
426 3554
3190-004
4077
3190-005
3190-005(Rinsed)
5509
3190-006
5518
0.46
3190-W6(Rinaed)
5518
T.O.C.
SI
s2
-
.)
402
403
434
419
423
310
314
364
0.05312
0.07
2.20:
0.06
I .4&
0.05
0.27
I-.440.01
,q-;99v.
0.11
0.20
-2;990.08
2: 83-
0.04
5.80
0.04
5.16"
0.04
Total organic carbon, w1.Z
Free hydrocarbons, mg Hc/g of rock
Residual hydrocarbon pnrenlial
(mg llclg or cock)
'
s3
PC*
Hydrogen
Index
-
-
0.69
0.90
0.82
0.89
0.21
0.02
0.23
I .oo
0.31
0.17
0.66
0.33
0.65
0.50
0.11
0.02
0.73
0.01
0.66
0.00
0.59
0.86
1.19
0.50
0.72
C02 produced from kerogen pyrolysis
( m g C02/g of rock)
0.083 (SI
I
S2)
0.29
0.69
0.69
0.68
0.68
Omen
Index
PI
TMAX
mg HClg organic carbon
---
117
68
433
11
416
7
300
195
178
150
169
296
172
12
105
67
mg COZ/s orgenic carbon
SI/S2 + s2
TemperalureIndex,degrees
C.
z
W
0
0
K
W
X
0
Y
Y
STATE OF NEW MEXICO
m'%GY
',,a.
MID
0,
MINERALS OEPARTMENT
<OPT..
"C111.10
OISTRIRUTION
% A N T A FE
U.S.O.3.
LAHO OFFICE
A
\\\
56 2 0
I
I.
PROPOSED CASINGANDCEMENTPROGRAM
-
S I Z E O F HOLE
SIZE OF CASING
12-1/4"
0-3/4"
9-5/8",
7
I
It
,
5-55
5-55
WEIGHT PER FOOT
32 #/ft.
23 #/ft.
SETTING DEPTH
200 ft.
5620 ft.
Entrada
I Rotary-
I
..
SACKS OF CEMENT
I
EST. TOP
75 sx
]surface
as below ( 9 7 0 bu. ft.)
Will drill 12-1/4" hole to 200 ft. and set200 ft. of 9-5/8", 32 #/ft. J-55 casing with 75
sx Class E - 2 % CaC12. Will pressure test to 6 0 0 PSI for 30 minutes. Drill 8-3/4" hole to
B. .'Will run drillstem test of Entrada Interval. If Entrada appears Froductive, will
5520' X
drill to 5620' KB. Will run open hole logs. Will run 7",23 #/ft, 5-55 casirgto 5620' and
cement in two stages. First stage will pump
150 s x Class €1 2% gel to cover from TD to top(183
of Morrison @ 4630'. Will set stage tool@ 4600' est. and cement with 350SI: Class B 2 % (cu ft.
D-79 ( 7 2 6 cu. ft.) followed by 50 s
:
: Class H (61 cu. ft.). Top of cement estimated at surface.
low be
sclids, nonWill perforate and stimulate as deemed necessary. Drilling mud will
dispersed, low water loss mud using Bentonite, starch, CMC, and fresh water.
Minimum specifications for pressure control 10"
is 900 series double ram blowcut preventer.
STATE OF NEW MEXICO
ENERGY, MINERALS AND NATURALRESOURCES DEPARTMENT
OIL CONSERVATION DIVISION
GARREY CARRUTHERS
GOVERNOR
POST OFFCE BOX 2 0 0 0
STATE LAND OFFICE BUILDING
S9NTAFE.NEWMUICO 0 7 X 4
1505 827-5000
February 2 4 1, 9 8 8
Mr. Doug Endsley
Merrion Oil and
Gas Company
P. 0. Box 8 4 0
Farmington, New Mexico 8 7 4 9 9
RE:
New Mexico Hydrocarbon Source Rock Data Base Geockemical
Reports
Dear Mr. Endsley:
As we discussed on the phone today, I am enclosing a waiver of
confidentiality for you to sign. This waiver will apply to the
Core Lab and Geochem Lab reports for the Merrion Pot No.
Mesa
1,
CLU No. 32'1, and Arena Blanca Wells.
Thank you very much
for your contribution to the Source Rock Data
Base. If you have any questions concerning the waiver, please
contact Roy Johnson
or me at this office.
Sincerely,
Geologist
JB: sl
cc: Roy Johnson
WAIVER OF CONFIDENTIALITY
I hereby release the information contained in the Core Laboratories, Inc. and the Geochem Laboratories, Inc. reports on the
No. 1
Merrion Pot Mesa
No. 1, CLU No. 321, and Arena Blanca
Wells. I understand that the information in the reports will be
au of Mines open file
system.