Reservoir geochemical study of the Forties Fm (Cores · PDF file ·...
Transcript of Reservoir geochemical study of the Forties Fm (Cores · PDF file ·...
elf aquitaine production
EP/P/EXP/GDP95-033 RP
Pau, October 1995
NorwayWELL 1/3-7
Reservoir geochemical studyof the Forties Fm
(Cores and DST 1A)
•ft0 8 NOV. 1995
REGISTRERTOLJEDIREKTORATET
Exploration
Departement Genése et Dynamique Petroliere K. LE TRAN
adresse postale : O tour Elf - Cedex 45 92078 Paris La DefenseO Pau - 64018 Pau CedexD Lacq - bp 22 64170 LacqD Boussens - 31360 Boussens
telephone : - 33 - (1) 47 44 45 46-33-59 83 40 00-33-59 92 22 22-33-61 97 80 00
telex: elfa 615400Fpetra 560804Fpetta 560053Fsnea 530385F
Imp. 8312 A EAP - RGM 953 006 006
REF.Nr
B74658B74659B74660B74661B74662B74663B74664B74665B74666B74667B74668B74669B74670B74671B74672
Formula
K4K4K4K4K4K4K4K4K4K4K4K4K4K4K4
COREDEPTH
m3226.103226.723227.223227.883228.803229.403229.913230.553231.053231.663232.303232.853233.873234.883236.12
Well 1/3-7 - Geochemical assessment <
TOC-TOC
%0.270.280.160.150.160.210.150.150.320.220.080.060.070.030.04
ROCK EVALS1
1.641.920.330.750.040.800.660.471.540.230.080.020.030.000.00
used for calculation of
S2 !
0.580.530.160.220.080.360.280.280.680.240.080.040.100.050.07
>1+S5
2.222.450.490.976.121.160.940.752.220.470.160.060.130.050.07
PI
0.740.780.670.770.330.690.700.630.690.49#####
EXTRACTEOMppm3270369012201980580
247021102070440011204202801S0120110
Hydrocarbon SaturationBased on Rock Eval: SHre = (S1+S2)*Rhob/(RhoH*ø*Based on Rock Extract: SHeom == EOM
Yield%
121.0131.976.4
131.735.9
117.5140.4138.3137.750.952.346.526.338.327.8(aftei
10) where Rhob = (ø*
ANALYSISSAT%73.473.360.767.717.863.964.556.358.947.647.738.429.527.725.7J.H.
AROn
%18.818.321.419.324.121.321.225.927.528.623.823.221.622.824.3
POL%7.88.4
17.913.058.014.814.417.713.623.828.438.449.049.450.0
Augustson,
Of
S/A
3.94.02.83.50.73.03.12.22.11.72.01.71.41.21.1
1991RhoH)+((100-ø)*RhoR)
(%)*(RhoW/RhoH+(RhoR/RhoH)*(1OO-0)/0)Phi and RhoR are from Geco Prakla petrophysical measurementsRhoH = density of reservoir fluid (estimated to 0.78)RhoW = density of pore water (estimated to 1.03)
HC
3.013.381.001.720.242.101.801.713.810.850.300.170.090.060.06
COREK
mD17.9023.30
0.6936.20
0.091.681.900.23
10.700.140.490.580.11
4.58
core extracts
ANALYSISPhi%21.921.819.624.812.722.119.915.121.813.917.118.211.923.423.0
RhoRg/cm3
2.652.652.662.652.682.662.652.672.652.672.662.662.662.662.65
HC SATURATSHre
%2.913.230.731.100.301.511.381.522.931.040.280.100.340.060.09
>Heom%4.394.981.872.301.453.303.164.265.942.520.750.470.480.150.14
eiff aquitaine production at Tab.2
Weil 1/3-7Geochemical characterization of DST1A
Well 1/3-7SampleDepth top (m RKB)Depth bottom (m RKB)
Bulk properties of w?API gravity% Sulphur% Residue of distillation
% Distillate%"C15+" Saturated HC% "C15+" Aromatic HC% Resins% Asphaltenes
% "C15+" Saturated HC%"C15+" Aromatic HC% Resins% AsphaltenesSaturates/Aromatics% Hydrocarbons% n-alcanes (in saturates'CPIjC20toC30)
nC6/MCPnC7/DMCPnC7/Toluene
Pr/PhPr/nC17(A)Ph/nC18 (B)A/B
Whole oilTopped oilC15+saturatesC15+aromaticsGas qross compositi.%C1%C2%C3%iC4% nC4% iC5% nC5% CO2%N2% H2SC1/C1-C4C1/C1+C3iC4/nC4
CondensateDST1A
3183.53215.5
44.280.05253.68
46.3239.5512.21
1.920.00
73.6822.74
3.580.003.24
96.4220.35
1.01
2.999.061.44
1.440.370.291.28
-28.4-28.5-28.9-28.0
72A712.85
7.351.202.210.400.301.691.84
nd0.753.570.54
Carbon isotope of irNo
123456789
101112131415161718192021222324252627282930313233343536
ComponentsiC4nC4iC5nC5CYPent2,3DMBut2MPent3MPentnC6MCPBzCH2MHex3MHex1,3trDMCyPent1,3 ciDMCyPent1,2trDMCyPentnC7MCHToli2MHept3MHep_t1tr2DMCHexnC8n-PrCyPent1-cis-2DMCyHex1,1,3 TMCyHexEtBzp+m-Xyl2MOct3MOcto-XylnC9TeBuCyPentSeBuCyPentn-PrCyHex
Gas isotope compoC1C2C3iC4nC4iC5nC5CO2
^dividualDelta C
-26.28-28.73-27.42
-27.59-29.88-28.24-27.38-30.45-28.25-29.26-29.56
-32.01-29.08-27.21-29.48
-29.18-29.88-28.93-27.35
-28.95-29.82-29.29-30.53-28.98
-47.1-27.2-25.4-30.7-26.9-30.8-29.8
na
mmNo373839404142434445464748495051525354555657585960616263646566676869707172
8H
8O
Components2MNono-EtTol3,6DMOctIPC10nC104MC10IPC11nC114MC11IPC12nC12IPC13IPC14nC13IPC15nC14IPC16nC15nC16IPC18nC17Pristane(Pr)nC18PhytanejPhLnC19nC20nC21nC22nC23nC24nC25nC26nC27nC28nC29nC30
C1
CO2
Delta C
-29.14-28.86
-28.86-29.26
-29.52-29.16-28.98-29.53-29.49-30.11-29.37-29.78-30.11
-30.20-31.18-30.53
-30.32-30.58-30.48
na
na
— — EP/P/EXP/GDP/95-033 R P -
Counter1/8-7
MmUflarttoa BV9ST U318S.S0 3815.00(Lab. R«f. B75412)
ape. gra. 15Cd APISulphur (X)
.805844.28
0.0d13C HTd13CRDd13C SATd13C ARO
-28.4-28.5-28.S-28.0
DMMotoHC SAT [C14+]HC ARO [C14+]ResinsAtphottonM
46.3238.5512.211.920.00
(%HT)(%HT) .(XHT)(XHT)(XHT)
73.8822.743.580.00
(XR0)(XRD)(XRD)(XRD)
SAT/ARO 3.24
IIMTERPROATION Bkxtogradatlon: Unnoticed - Washing: UnnoUcod - Maturity Eq VRo X: 0.5/0.7 - Souro* Rock Probable of Aga J
J J j j j L U ' • • • •TOTAL Oft. (ID-B7541)
o
6
7
Pr/nC17 .37Ph/nC18 .20Pr/Ph 1.44A/B 1.28CPI 20-30 1.01nC(X) 20.35
XL.
SULFUR COMPOUNDS (FP-B7541)
SATURATED HC (ST-B7541) GC/MS carriwl out AROMATIC HC (F1-B7541)
2SOa
S
>3
CHROMATOGRAMME "HUILE TOTALE" / CHROMATOGRAM "TOTAL OIL"
14M -
116.0 -
*> 87.0 -
11
1o
i
L
58.0 -
29.0 -
HTDST 1A
ISO.
3183.50 3216.50
200.MnutM
(tab. R*. B7S412)
CHROMATOGRÅMME "HC SATURES" / CHROMATOGRAM "SATURATED HC"
•2.0 -
35.0 -
28.0 -
•a
m•p
I
30
5"
21.0 -
14.0 -
0.
«NO 1/3-7
100. 125.
3183.50 3215.50Minute*
(Lab. Ref. B75412)
>
3•CO
10.0 -
9.0 -
120.
)(E
nlor
ged
x
s 1
7.0 -
iID u
EP
/P/E
XP
/(
CHROMATOGRAMME
li *"
u
3
e
it 1 1
i1a.
IlhuT3 0. 25. 50.
| «NO 1/3-7r-o
"HC AROMATIQUES" / CHR0MAT0GRAM "AROMATIC HC"
75. 100. 125. 150.Minutes
HT DST IA 3183.50 3215.50 (Lab. Ref. B75412)
11s3pro
du
< ;tion [̂
Ann.4
(D
CHROMATOGRAMME "COMPOSES SOUFRES" / CHROMATOGRAM "SULFUR COMPOUNDS"
8.5 -
1ia
s3DT3
(D
aSa.o
©NO 1/3-7
75.
HT DST 1A
too. 125.
3183.50 3215.50
150.Mlnutw
(Lob. Raf. B75412)
>
•
Ul
eif aquitaine production Ann. 6
PROGRAMME POST-ANALYSE: GC-SATF i chief. ST B75412NODI échantiTlon: 1/3-7 Hn°03529PDate injection: 21-08-95 å 20 heures
II manque leSurfaceSurfaceSurfaceSurfaceSurfaceSurfaceSurfaceSurfaceSurfaceSurfaceSurfaceSurfaceSurfaceSurfaceSurfaceSurfaceSurfaceSurfaceSurfaceSurfaceSurfaceSurfaceSurfaceSurfaceSurfaceSurfaceSurfaceSurfaceSurfaceSurfaceSurfaceSurfaceSurfaceSurfaceSurfaceSurfaceSurfaceSurfaceSurfaceSurfaceSurfaceSurfaceSurfaceSurfaceSurfaceIt manque leII manque le
Pr/nC17Ph/nC18pr/phA/Bph1/ph2pr2/ph2pr1/pr2pr2/nd7ph2/nC18CPI. 14-34CPI. 14-24CPI. 22-34CPI. 20-30
nC10IPC11nC11nC12IPC13IPC14nC13IPC15nC14IPC16nC15nC16IPC18nC17Pr1PrnC18PhiPhIPC21nC19nC20nC21nC22nC23STD 0*nC24nC25nC26nC27nC28nC29nC30nC31nC32nC33nC34nC35nC36nC37nC38nC39nC40nC41nC42nC43nC44nC45
==
==
==r
x
1111
.37
.29
.44
.28
.02
.451.00.18.14
1.00111
.00
.01
.01
545.6204.
74501.19242.24384.174427.43672.233786.98943.239422.233206.25907.218302.39872.39899.194160.27927.27423.1573.
167588.155208.134248.121435.105621.130055.96303.79770.69864.58327.47735.46234.32254.30791.25616.20734.25933.15278.11433.6999.6388.5073.3698.2806.1414.1400.
% n-aIcanes dans saturés = 20.35
< 1) .(41) >( 2) +>( 3) + >(42) +--->(43) +---->( 4) + >(44) + >( 5) + >(45) • >( 6) + >( 7) • >(46) + >( 8) + >(37) + >(38) + >( 9) + >(39) + >(40) + >(47) >(10) + >(11) + >(12) + >(13) + >(14) + >(48) + >(15) + >(16) + >(17) +—- >(18) + >(19) + >(20) • >(21) + >(22) + >(23) + >(24) +—>(25) +---->(26) +-->(27) +->(28) +>(29) +>(30) +>(31) +>(32) +>(33) >(34) >(35) .(36) .
NB: STD_D* = étalon interne
-EP/P/EXP/GDP/95-033RP—I
I6
L
Ion 191.00 amu from B75412STM2.d; B75412;ST;NO;1/3-7;HT;DST1 A;3183.5;32155;M100% =765100n
70 80 90 100 110 120
Ion 205.00 amu from B75412STM2.d; B75412;ST;NO;1/3-7;HT;DST1 A;31835;3215.5;M100% = 1752100^
go:
80
70 :
60:
50-
40
20 :H^^mmnny^^mnm^y u t&^t^m^Mmwv*»**********1
" i I ' I ' I i i i \ ""t I"'60 70 80 go 100 110 120
Ion 123.00 amu from B75412STM2.d; B75412;ST;NO;1/3-7;HT;DSTi A^183532155;M100% =6352
go
80:
70:
50:
40
30^
10:
1 I | 1 t 1 1 | 1 t 1 1 | 1 1 1 1 t 1 1 1 1 | 1 1 1 t ( 1 1 1 1 | 1
60 70 80 90 100 110 120
Ion 177.00 amu from B75412STM2.d; B75412;ST;NO;1/3-7;HT;DSTiA31835^2155;M100% = 1580
90 q
80
70:
60:
40 :
30 :
20 i
10̂
l»HHkW»##>
" t k | l i i i | i i i i | I t i I | i i ^ 1 i i I I i | i k 1 t i i i60 70 80 90 100 110 120
Saa8ID
|
5'
Bl
>3
EP
/P/E
X
I
i
lon 21100%100:
90:
80:
70:
40:
30:
205
10:
0^
7.00 amu from B75412STM2.d; B75412;ST;NO;1/3-7;HT;DST1 A;31835;3215.5;M= 467
50 60 70 80 90 100
lon 218.00 amu from B75412STM2.d; B75412;ST;NO;1/3-7;HT;DST1 A;31835;3215.5;M100% =963100n
90:
80:
70:
60:
50:
40:
30 :
20:
10:
0 -
II 111
i i i i i i i | l l i i | i i i l | i i i i | l l l i i i i
50 60 70 80 90 100
lon 25100%
: ]80:
70:
60:
50:40:
30:
20^
10:
oi
9.00 amu from B75412STM2.d; B75412;ST;NO;1/3-7;HT;DST1 A^1835^2155;M= 334
50 60 70 80 90 100
lon 2:100%100:
90^
80^
70:
60:
505
405
305
205
105
0-
(1.00 amu from B75412STM2.d; B75412;ST;NO;1/3-7;HT;DSTiA^1835^2155;M= 332
1 i 1 i i i t 1 i f i i 1 i i i i 1 i i i i 1 i i i i 1 V i
50 60 70 80 90 100
f aauitaine production
\Q}\_
Ann. 8
m
oo
i
Ion 183.00 amu from B75412STM2.d; B75412;ST;NO;1/3-7;HT;DSTiA31835;32155;M100% = 14675
100-1
140 160
TIC of B75412STM2.d SUBTRACTED; B75412;ST;NO;1/3-7;HT;DST1A^183532155;M100% = 488167
100-j
Ion 85.00 amu from B75412STM2.d; B75412;ST;NO;1/3-7;HT;DST1A3183532155;M100% =359552
100-
90 :
80:
70^
60
40
30:
20 :
10:
0
o0)
a
D3aI1"
JiéljLJ*.,U..l4.U.U..M.«. 1.1.1.120 40 60 80 100 120 140 160
Ion 83.00 amu from B75412STM2.d; B75412;ST;NO;1/3-7;HT;DST1 A;31835;32155;M100% = 119064
100-
80
70^
60
50
40
30
20-
10
020 40 60 80 100 120 140 160
>
pto
elf aquitaine production Ann. 10
GC/MS Analysis of Saturated Hydrocarbons: Molecular Ratios.
DT LABUX B75412 (Marie 4225 set 95/233)
1/3-7 (NO) DST 1A 3 183,50 - 3 215,50 (m). Submitted by LE TRAN.Geochemical study.
Short chain steranes
C21 / C22:C22-4-m / C22:
C27 steranes
aaS / aaR:PPR / aaR:PPS / aaR%pp:% 20S:
— — — — — — — — — — — — a i s i a i n
LJoht / heavy steranes
(C21+C22)/(C29aaR+S):
C29 steranes
aaS / aaR:PpR / aaR:PPS / aaR:
%pp:% 20S:
0.570.730.69
47.39 %42.11 %
•o —————————————
% |3j3 steranes
C27pp: 39.1 %C28PP: 27.3 %
C29Pp: 33.6 %
Diasteranes
C27SDia/C27aaR:
C27SDia / C29oaR: 2.22
Total intearations:
mJz232: 70.7%m/z 218: 22.8 %
m/z 259: 6.6 %
Terpanes
Tricvclic terpanes:
C23:3 / C24:4 :
C23:3 / C29aP:C30:3 / C29ap:
<Erre
0.000.00
flg hopanes:
C30pa/C30ap: 0.21
18cUH) Hooanes:
Ts / Tm:C29:5 / C29aP:
1.000.53
a/3 Hopanes:
C29aP / C30ap: 0.51C28aP / C29aP: 0.00C28ap / (Ts+Tm): 0.00
C31-C3S hopanes:
%22SC31: 57.5%
% 22S C32: 60.4 %
% 22S C33: 60.4 %
% 22S C34: 62.1 %
% 22S C35: 49.1 %
C31/ (C31+C32): 0.55
C33/C35: 1.42
C35 / (C29+C30): 0.24
Methvlhopanes
(C30 / C 31) 2a mH: =Erre
(3B/2a)C30mH:
2a mHop / Hop:
Hexacvclics:
C32:6/C29aaR:C32:6/C35aB
0.000.00
0.00
8.14 Secohopanes:
C29-C30 /(C29+C30ab):
0.73
25-Norhopanes
TNH/BNH: <ErreurTNH / (Ts+Tm): 0.00nor C29 / C29 ap: 0.00
Other terpanes:
GCRN / C30aP:"X"/C30aP:OLN / C30ap:
BNH / C29ap:
0.000.250.00
0.00
Total integration:
Residual m/z 191: -19.1 %
r n & branched alkanes —
Pr/Ph:Pr/nCi7:Ph/nCi8:A / B :CPI2:CPU :n / (n+iso) alkanes : QJQ
I Other
C23:3/C2iSt:
(27-30H)/ 29St:
m/z WVm/z 217
Tri / Pentacyclics
C32PCW C32Æ:
ratios
0.00
3.85
0.27
: 0.00<Erreu
-Quantitative Analysis—
ppm/ ppm /sat EOM-TO
HopanesC29HTricyclics
C29oaRn-alkanes
-Comments-
-EP/P/EXP/GDP/95-O33RP—