q,de. - empireenergy.com Evaluation... · I I I I I I I I· I I I I I. I I I I I I I I 357135...

GEOCHEMICAL EVALVAnON OF AN OIL SEEP SAMPLE FROM

GREAT SOU'ImAND MINERALS PTY LTD

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LONNAVALE, TASMANIA

REPORT LQ4496 FOR

BY

SCOTIWYTHE

BRIAN WATSON

357134

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357135

CONTENTS

1. INTRODUCTION 1

2. ANALYTICAL PROCEDURES 1

3. RESULTS 1

4. INTERPRETATION

4.1 Maturity 1

4.2 Source Affinity 2

4.3 Post Pooling Alteration and Migration 3

S. CONCLUSIONS 3

Amdel LimitedReport LQ4496 Petroleum Services

LIST OF TABLES

1. C12+ Bulk Compositions and Alkane Ratios

2. Oil Maturity Based on Aromatic Hydrocarbon Distributions

3. Saturated Biomarker Ratios

Repon LQ4496

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357137

LIST OF FIGURES

1. Gas Chromatogram of Whole Oil

2. Gas Chromatogram ofSaturates Fraction

3. Bulk Composition of Seep Oil sample

4. Genetic Affinity based on Isoprenoid!Alkane Ratios

5. GC-MS of Aromatic Fraction

6. Araucariacean Resin Biomarker Plot

7. Oil Source Affinity Based on Saturated Biomarker GC-MS Data

8. Sterane Maturity - Migration Plot

9. Sterane Distributions

Amdel LimitedRepon LQ4496 Petroleum Services

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LIST OF APPENDICES

1. Analytical Procedures

2. GC-MS ofBranched/Cyclic Alkanes

Report LQ4496

357138

Arndel LimitedPetroleum Services

4. GEOCHEMICAL lNTERPRETATION OF SEEP SA.L\1PLE

2. ANALYTICAL PROCEDURES

3. RESULTS

1. INTRODUCTION

Arndel LimitedPetralcum Services

Analysis Table Figure

Bulk Composition and GC of Whole I 1-4Oils and Saturates

GC-MS of aromatic hydrocarbons 2 5-6

GC-MS of branched/cyclic 3 7-9hydrocarbons Appendix 2

357139

One oil seep sample was received from Lonnavale, Tasmania for physical testingand petrolewn geochemical analyses. This report is a fonnal presentation of resultsforwarded by facsimile on 15 January 1996.

Due to the bituminous nature of the sample and its close association with anunidentified solid material no physical testing of the sample was possible. Howeversulphur analysis was performed on both a portion of the whole sample (includingthe solid material) and on the solid material alone following extraction of the oil.Both were found to contain 0.1% sulphur. This suggests a low sulphur content forthe oil (ie.<0.1 %).

Maturities indicated for this sample by saturated biomarker maturity parameters areless precise than the aromatic derived biomarker ratios. These parameters (ie, C29

steranes and isosteranes - Biomarker Parameters 4 & 6, C27 diasteranes - Biomarker

Aromatic maturity indicators for the Lonnavale seep indicate that the sample wasgenerated and expulsed from an early mature to mature source interval (parametersA, C, E and F, Table 2). Parameter A indicates a maturity of~u;,=0.85%.

Analytical data is presented in this report as follows:

The analytical procedures used in this study are provided in Appendix I.

4.1 Maturity

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No significant amount ofbotryococcane was detected (mlz 183, Appendix 2).

The Lonnavale seep sample is aromatic-naphthenic in composition (Figw-e 2).

4.2 Source Affinity

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Amdel LimitedPetroleum Senices

2

The ratios of l-methylphenanthrene!9-methylphenanthrene and 1,2,5tIimethylnaphthaiene/l,3,6-trimethylnaphthaiene (Figure 7) has been used toindicate soW"ce input from Araucariacean derived plant resins (trees from the Kauripine group) which were most prominent in Early to Middle Jurassic times. The lowrelative abundance of I-methylphenanthrene and 1,2,5-trimethylnaphthalene

This data suggests that the precW"sor organic matter of the Lonnavale oil seepsample has been derived from a somewhat mixed algal/terrestrial soW"ce containingabundant Tasmaniles alga deposited in an anoxic, probably nearshore, marineenvironment.

Hopane signatW"es (mlz 191, Appendix 2) are unreliable due to the dominance oftricyclic compounds. However the C29 norhopane is likely to be more abundantthan the C30 hopane suggesting a likely carbonate source. The presence ofsignificant amounts of diasteranes usually associated with clay-rich environmentsthough suggests otherwise.

Tricyclic terpane distributions (mlz 191, AppendLx 2) show that Cl9 - C3 \ tricyclicsare the dominant compounds present in the sample. Such a distribution ischaracteristic of precW"sor organic matter rich in Tasmanires alga. Tasmanite isthought to have been deposited in a low energy, nearshore marine environment.

The pristane/phytane ratio (Table 1, Figures 1 & 7) is likely to be affected bybiodegradation and light end loss. However despite these effects the ratio is stillconsidered to indicate generation from soW"ces deposited in anoxic conditionstypical of a marine environment.

GC-MS of branched/cyclic alkanes for the sample has sterane and diasteranedistributions (mlz 217, 218, 259; Table 3, Figures 7 & 9, Appendix 2) whichcontain significant C29 homologues of higher plant origin (Biomarker parameters I,2 & 3, Table 3) suggesting some terrestrial input into the precW"sor organic matter.

Parameter 5, C27, C30 & Cn hopanes - Biomarker Parameter II, Table 2) all indicatethat the sample has a moderate maturity.

The isoprenoid/n-alkane ratios (Figw-e 4) is unreliable for assessment of maturitydue to pristane, phytane, n-C '7 and n-C18 being affected by biodegradation and lightend loss.

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5. CONCLUSIONS

4.3 Post Pooling Alteration and Migration

5.3 The sample appears to have been subjected to light biodegradation.

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3Report LQ4496

implies that these resins were not significant components of the precursor organicmatter. However, this does not preclude the possibility that this oil was generatedfrom a source of Jurassic/Cretaceous age.

The abundance of cycloalkanes and corresponding lack of n-alkanes in the sample(Figures I & 3) suggests that this condensate may have been subjected to lightbiodegradation. No evidence of significant biodegradation was observed in any ofthe biomarker compounds.

Figure 8 suggests that the sample is likely to have undergone a degree of migrationsince generation from its source interval.

5.4 The extract is likely to have undergone some migration since generation from itssource interval.

5.2 Various aspects of the molecular composition of the sample indicates that theprecursor organic matter of the oil seep is likely to have been derived from a mixedalgal/terrestrial source containing abundant Tasmanites alga deposited in an anoxic,possibly nearshore, marine environment.

5.1 Aromatic maturity indicators for the Lonnavale oil seep indicate that it was

generated and expulsed from a moderately mature source interval (VR.q"iv"'O.80%).Saturated biomarker maturity indicators ratios support this level of maturity.

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---------------------•TABLE I

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C Il> BULK COMPOSmON AND ALKANE RAnos, LONNAVALE SEEP

Composition (%) Alkane Ratios

EOM(%) n+iso Naph Arom NSO Np/Pr PrlPh Pr/n-CI7 Ph/n-CI8

20.32 4.1 36.5 26.2 9.7 - 0.44 0.36 0.64

EOM = extractable organic matter Np = norpristanen+iso = normal + iso-alkanes Pr = pristaneNaph = naphthenes (branched and cyclic alkanes) Ph = phytaneArom = aromatic hydrocarbons n-Cn = n-heptadecaneNSO = compounds containing nitrogen, n-C,s = n-octadecane

sulphur and oxygen

lbe methylphenanthrene distribution ratio (MPDF) and calculated \itrinite reflectance VR.,. (I) is derived fromthe following equation (after Kvalheim ef ai, 1987):

Methylphenanthrene index (MPI), methylphenanthrene ratio (MPR). dimethylnaphthalene ratio (DNR) andcalculated vitrinite reflectance (VR.",) are derived from the following equations (after Radke and Welte, 1983;Radke el ai, (1984):

Peak areas measured from rnIz 156 (dimethylnaphthalenel. mlz 178 (phenanthrene) and m1z 192(methylphenanthrene) mass fragmentagrams of diaramatic and triaromatic hydrocarbon fraction isolated by thinlayer chromatography.

Rccalibration of the methylphenanthrene inde.x using data from a suite of Ausualian coals has given rise toanother equation for calculated vitrinite reflectance (after Boreham ef ai, 1988):

357143

(2-MP T 3-MPl

-0 166 + 2.2~2 MPDF

(2-MP T 3-~lP + 1-~lP + 9-MP)

phenanthreneI-methylphenanthrene2-methylphenanthrene3-methylphenanthrene9-methylphenanthrene1.5-dimethylnaphthalene2.6-dimethylnaphthalene2,7-dimethylnaphthalene

=

=

=

==

=

= 0.7 ~I + 0.22 (for VR < 1.7%)

=

= 0.99 IOglO ~R + 0.94(VR = 0.5-1."7%)

2.6-DMN + 2 I-OMN= 1,5-DMN

0.46 DNR + 0.89 (for VR =0.9-1.5%)

=

==

1.5(2-~ + 3-~)= P+ 1-~+9-~

= 0.6 MPI + 0.4 (for VR < 1.35%)

= -0.6 ~I + 2.3 (for VR > 1.35%)

2-MPI-~

KEY TO AROMATIC MATURITY INDICATORS

TABLE 2

MPDF

VR.,. (e)

MPI

VR.,. (a)

VR.,. (b)

DNR

VR.,. (d)

MPR

VR.,. (c)

AROl\-L\TIC MATURITI' DATA, LONNAVALE SEEP

Where PI-MP2-MP3-MP9-MP1,5-DMN2,6-DMN2,I-DMN

VR CALC (%)

MPI MPR DNR MPDF A B C D E F

0.756 1.306 14.5& 0.454 0.&5 US 1.05 7.60 0.75 0.&5

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- - - -- - -- - --• - --•- -- - - _.-TABLEJ

357144

mOMARKER PARAMETERS OF SOURCE, MATURITY, MIGRATION AND BIODEGRADATION, LONNAVALE SEEP

Steranes Terpanes Acyclic Alkanes

Parameter

I 2 3 4 5 6 7 8 9 10 It 12 13 14 15 16

2<):3041 138 1.14 1.41 1.25 1.72 0.91 - - - 6.37 - - 0.44 0.36 0.64

- = not determmed

KEY TO BIOMARKER PARAMETERS OF SOURCE MIGRATION AND BIODEGRADATIONl)alralUc(cr Derivation" Silecilicily

I C":C,,:C,, 5<X(1I)14a(H)17a(II) 205 Sleranes S·ource2 C,. 511(11) 14a(lI) 17a(H) 205 steraneJC" 5a(H)14a(H)l7a(H) 20S slerane Source.1 C" 111\(1111711(11) 20R diasteraneJC" lJB(H)170:(1I) 20R diasterane Source4 C,., 511(11) 14«(11) 170:(11) 20S SleranelC,. 5a(lI) 14a(lI) 170:(11) 20R slerane Maturity, Biodegradalion'i C" 1111(11)17«(11) 20S diasleranelC" I3B(I I) 17a(l I) 20R diasterane Maturity(, C" 5<1(11)1411(11)1711(11) 211R slemne/C,. 5«(11) 140:(H)170:(I I) 20R sterane Matnrity, Migration7 C"J 131\(11) 1711(11) 20R+2US dia.teraneslC,. 5a(H) sleranes Migration. Source

X I Xll(l 1)-11l-norneohopane (C,.Ts)/C,. 1711(11) hopane + C,.Ts Malunly, SOllrce'J 17«(11) diahopanclI8a(Il)-30-nomeohopane (C,o·/C,.TS) Sonrce, Maturily

III C" IXll(II)-22,29,3U-lrisnorhopane (Ts)/C" 17<1(II)-22,29,30-trisnorhopane (Tm)+ Ts Malurity, Source\I T jC '0 1711(11)2111(11) hopane Malurity12 Cll 17a(II)211\(II) 22S homohopaneJCll 17a(H)21B(H) 22R homohopane Maturity13 C,o 1711(11)210:(11) moretaneJCJO 17a(H)211\(II) hopane Maturity

14 pristaneJphytane Sonrce15 prislaneJn-heptadecane Source, Biodegradation, Malurity16 phylaneJn-OC13decane Source, Biodeg13dation, Maturity

• Ralios calculated from peak areas as follows:

ParamelersParamClcrsParameters

(-78 - lJ14 - 16

mlz = 217, 218, 259 mass fragmenlogramsmIl == 191 mass fraglllcntogmmcapillary gas chromalogram of alkaucs or whole oil/eXiracl

---------------------•

Figure ILonnavale Seep Sample

GC of Whole Oil

• 357145

---------------------• •357146

Figure 2Lonnavale Seep SampleGC of Saturate Fraction

~ 0..... "--f-.------..------4----.-----1-'

357147

BULK COMPOSITIONLONNAVALE SEEP

100

NAPHTHENES

Nophthenic

50 75

FIGURE 3

AromoticIntermediate

AROM+NSO+ASPH

25aPARAFFINS

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•II

•

•357148

1.2

ALGAL/BACTERIAL SOURCE

HIGHER PLANT SOURCE

0.2 0.4 0.6 0.8 1.0PHYTANE/n-OCTADECANE

0.4 JI~~.==:JO.O~

0.0

LONNAVALE SEEPGENETIC AFFINITY AND MATURITY

2.8

2.4

FIGURE 4

wZ4::U~ 2.0~0WI 1.6Ic

..........w~ 1.2I(fl

a:::0- 0.8

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- - - ... - - - --• - -FI~uRE :la... ... ...

•... ... ... ... ... ...

C:\HPCHEM\1\DATA\UOPA\4496AROM.DWYTHE12 Jan 96 11:16 am using AcqMethod 60MAROM

AMDEL-597LONAVALE SEEP

FileOperatorAcquiredInstrumentSample Name:Misc InfoVial Number: 1

p

40000 P·Phenanthrene

20000

l3

, , 38.'00 i 39.100 i , 40.100 i i 41.100 42.100 43.100--------,.r-;::o":;n:.:;.:2:"'0:6:';-'.2"'0"--T>(2":;lJs-:-g-O to 2Org"O): 449bJ\.lfOM"""I'l-~:-::------------1

I, ~

1,7-t1imethylphenanlhrene

10000

20000

ime-->IIiicnrnce,------

ime--> 36.00 37.00 38.00 39.00 40.00 41.00 42.00 43.00Tlhaanc"'e,---------------....r""onO=-·1,.:9":2=-."-2""0-rl..::19"1-."9"'0c-i::t-;:c--11'9-......,.."'U-Tr--------------lo ~.~u): 4496ARu

'I3-,2-,9-,I-methylphenanthrene

50000

ime--> 36.00 37.00 38.00 39.00 40.00

---------• - -FIGURE 5b - - -• - - - - - -357150C:\HPCHEM\1\DATA\UOFA\4496AROM.D

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un ance

40000 _ Dimethylnaphthalenes

20000

I/\

Trimet hyl naphtha Ie nes

27.'00 28.'00 29.'00 30.'00 31.'00170 . 20 (169 _90 to f'ro--:-9 0): 44 9~~iI;r""l'\-----_-"':"-"':"_----1

I, I, 6

.,','+ 1,1,1t1,1.

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26.'00Ion

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4000

ime--~4.00unaance

6000 _

I,l, r2000 _

25.00ime--~4.00 26.00 27.00 28.00 ~9!00'_____________---=-:....:....:....:._----.::.-::...:...:::..:~----.:~~_~~_~~__--.J

•

1.61.2

FIGURE 6

AROMATIC BIOMARKERSLONNAVALE SEEP

-0.8 -0.' 0.0 0.' 0.8Log (1,2,5-TMN/1,3,6-TMN)

-1.2

-

-

JURASSIC/CRETACEOUS-

-•PERI.l'AN/TRIASSIC

-

.

-.

I , I I , ,. ' . '. - I.

-0.8-1.6

0.8

0.6

,.... 0.'0..:::>'I 0.201

.........0..:::>' 0.0I~

CJ' -0.20-'

-0.4

-0.6

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-

"x0

-

-ALGAL LANa PLANT

ux

- 0Z

""•I I I I I I I

I •..

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8.eI 6

(J)

c0->-

I -C0.......... 4

(J)

C

I0-Vl

·C0. 2

I

I.a

IIIIIIII

a 2 4

FIGURE 7

LONNAVALE SEEPOIL SOURCE AFFINITY

6 8 10

C29/C27 Diasterane12 14

357152

16

C29 STERANE MATURITY - MIGRATION PLOTLONNAVALE SEEP

• . .

IIIII

1.4 -

I V 1.2 -

I- 0::wt:J 1.0 -

~

I<{0::<{ 0.8 -a-0:: -

I w::<: 0.6 -0::<{

I::;;0 0 .4 _

m-

I 0.2 -

-

I-0.0

0.0

IIIIIIII

I0.5

FIGURE 8

•

Migration

I I1.0 1.5

BIOMARKER PARAMETER 6

I2.0

357153

2.5

357154

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,,,

Ir) ~'V , , oS', ,, ,,,

FlGURE 9

28

25

STERANE DISTRIBUTIONSLONNAVALE SEEP

,,, ,, ,, ,

~ \.-----------~~.v{~-------------, ~, , " I

\ I \ I

" I \ ,\ I \ I

• , \ I\ I \ I

" ,\ I " ,", \'

\ I \ I\, . \ ,

\ I \ I ~

-------------~~-------------~~-------------- ~, \ I \ I

, \ I " ,I \ I " ,,. , \ ,, \ ,,, ,

" , \ I, \ , " ,I \ , \ ,, \ , \ ,

I \ I \'I \ I ,, " , \ ,

\ , \ I \ ,

'f----...:y'-'----.f''-----1--------1-'0100 29

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27 a

IIIII

•

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•

APPENDIX 1

ANALYTICAL PROCEDURES

357155

•

Isolation of Residual Oil

Gas Chromatography

Liquid Chromatography

357156

25 m x 0.3 rom fused silica, SGEQC3IBPI

Relative concentrations of individualhydrocarbons were obtained bymeasurement of peak areas with a PerkinElmer LCI 100 integrator. The areas ofpeaks responding to aromatichydrocarbons were multiplied byappropriate response factors

Perkin Elmer 8500 operated in the splitinjection mode

40°C for I minute, then 8° per minute to300°C and held isothermal at 300°C untilall peaks eluted

300°C

Gas Chromatograph:

Column Temperature:

Column:

Detector Temperature:

Quantification:

Asphaltenes were not precipitated from the condensate prior to liquidchromatography. The samples were separated into hydrocarbons (saturates andaromatics) and polar compounds (resins) by liquid chromatography on activateda1mnjna and silica (sample:adsorbent ratio = 1:100). Saturated hydrocarbons wereeluted with petroleum ether, aromatic hydrocarbons with petroleumether/dichloromethane (50:50) and polar compounds with dichloromethane!methanol(35:65).

The seep sample was extracted with dichloromethane in a soxhlet apparatus until thesolvent was clear. Removal of the solvent by careful rotary evaporation gave the oil(nominal C12+ fraction).

Whole oils and saturated hydrocarbons (alkanes) were examined by gaschromatography using the following instrumental parameters:

1.

2.

3.

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Thin Layer Chromatography (lLC)

Gas Chromatography-Mass Spectrometry (GC-MS)

357157

GC-MS analysis of the aromatic and naphthenic hydrocarbons was undertaken in theselected ion detection (SID) mode. The instnunent and its operating parameters wereas follows: .

60m x 0.25 mm Ld., DB-l cross-linkedmethylsilicone phase fused silica,interfaced directly to source of massspectrometer

Helium at a linear velocity of30crn/minute

70 eV EI; 9-ion selected ion monitoring,70 rnilIisec dwell time for each ion

Splitless 21ll

HP 5890 Series IT Plus GC coupled to HP5972 MSD

50°C for 2 minutes then 50-290°C @7°/minute

Injector:

Column:

Mass SpectrometerConditions:

Carrier Gas:

Column Temperature:

System:

Aromatic hydrocarbons were isolated from the extracted oil by preparative TICusing Merck GF2S4 silica plates and distilled AR grade n-pentane as eluentNaphthalene and anthracene were employed as reference standards for the diaromaticand triaromatic hydrocarbons, respectively. These two bands, visualised under UVlight, were scraped from the plate and the aromatic hydrocarbons redissolved indichloromethane.

5.

4.

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•

The following mass fragmentograms were recorded:

The following mass fragmentograms were recorded:

357158

GC-MS analysis of the naphthenes was Wldertaken in the multiple ion detection(MID) mode. Instrumental conditions are given below.

Compound Type

dimethylnaphthalenestrimethylnaphthalenesphenanthrenemethylphenanthrenedimethylphenanthrenes

Compound Type

alkylcyclohexanesdrirnanes, diterpanesdemethylated triterpanesacyclic alkanes (inel isoprenoids,botryococcanes)triterpanes (inel hopanes, moretanes)methyltriterpanessteranessteranes4-methylsteranesdiasteranes

m1z

156170178192206

m1z

83123177183

191205217218231259

The di- and triaromatic hydrocarbons isolated from the extracted oil by thin layerchromatography were analysed by GC-MS.

The area of the phenanthrene peak was multiplied by a response factor of 0.667 whencalculating the methylphenanthrene index (MPI).

Naphthenes (branched/cyclic alkanes) were isolated from the oil by molecular sieveseparation of the saturates fraction.

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APPENDIX 2

GC-MS OF BRANCHED/CYCLIC ALKANES

357159

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C:\HPCHEM\1\DATA\UOFA\4496NB.DWYTHE11 Jan 96

AMDEL-597Lonavale Seep

FileOperatorAcquiredInstrumentSample Name:Misc Info :Vial Number: 1

bundal1ce -------------

260000

240000

D - DIASTERANESIS - ISOSTERANESS - STERANES

220000

200000

1BOOOO

160000

140000

120000

/I"lUi. ,

'2"nS

271

o2'1f...'in/.

_ime-.~_,s3-"_oj__ ~ __54..:0_0 5__5_.0_0 5_6_.0_0 57.00

wW

5B. 0_0 5_9_._0_0 6_0_._0_0 6~1:..:-.0~0-=-_----=6-=2.:-. .::O.::O -.J oJ~

~

o

60000

BOOOO

100000

---------------------• • "

6:51 pm using AcqMethod 60MAMDEL

C:\HPCHEM\1\DATA\UOFA\4496NB,DWYTHE11 Jan 96

AMDEL-S91Lonavale Seep

FileOperatorAcquiredInstrument :Sample Name:Misc Info :Vial Number: 1

unoanc:Ee..-----------------iro"nTl2'Y1'17"'-.2'YlfO-r(2'Y11:6~.9lfOn-t~o;;-2.,..1'7.,-. 9lfO"'-:--........""'=---..----------------

200000

100000 ,

i me - - ;Ii 3 .1~0;-;0~-.-;S:r:4:-~.0;;-:0~r-1r-;'S-;5'.0=-0;;-r-..--;:'S'::6'.-::070---,--r-=S'::7:l.r:OcO-'---'--::S:r:S~.r:O:-:'0""'-'-S"g-T.O-O'--"""'-6'O--'-. 0-0-r--r-;.....,6'l'.-=0:;:0~:::;::~6~2=:.?0=:;0~=-r--r=lfn'difnce' -- ·------------..I--=oc=n~2~1...,.8r...;,2OT217. 90 to 218. 9ll): 4496NB--:L5,...--------------1

ISOSTERANES

50000 .

100000 '

i me - - ;Ii 3 .1~0-:;,0~---,--;;S':;4--,.r,;0-;:0-,--.~S';:-S'.=-00;;r--o'S';!6::'..0:-:0:;'c--T-:S='=7:-.'-0:-:'0"-'--::S':S--,.r:OcO-'--'-::'5'9',-0-'-0'---"6'0--'-.0-0.--:;......;=6'1-r.0:::0~~"---6~2'=.?odo~=r--r""\:.ihaance Ion 259. 2OT258. 90 to 259. 9n,-I)--;:----:<!4:-:i!4~9lZ6~NBm-.'1"\-------.:..:...:..---=-=:...:....::..::....-----j

400000 .DIASTERANES

200000

w

. ;Ii 3 \'0-0"....,---"-5"4-.-.10-0'-'-.,~,'5'-5','-00'---"--'-;.";:11::7'~-"'S';!'=-7'.1=-00:::'...::;..,-.-=,-=''::II~' -=,.,,:::;,:~,::I~,~:"";:~'T~=:-::r~::;::::::r:::?-;=-;.....,--.......,.-/- ~--=-~e_-_- __. ~ -=-S6::...:...0:.:0=-_~:..:...::.::..._~S~S:.: ..:0.:0__::'.S::..9:....~00~__6~0':'..:..'.0-:,0~_ __,6~1':.:.:..'0~0~_~6~2~.:..'0~0,-__~~·

OJ....

-------------------_ .• • •





200000

100000 _

ime--> 54.00 56.00 58.00 60.00 62.00 64.00 66.00Ilnaail"c"'eO:--- ·----------.,I..-::o:-;:n,..--.2,...3....1,-......2'"'O.---c(~2~3030 to 231. 9-0,T)--;:---:d4A4?l9>?l'.'nr1"\-------.:.~~------

METHYLSTERANES

400000

200000

ime--> 54.00 56.00 58.00 60.00 62.00 64.00 66.00

---------------------• • !


C:\HPCHEM\I\DATA\UOFA\4496NB.DWYTHE11 Jan 96



. tInoa:rice-·_·· ---...

4000000 '[21

T1I

r~

ron 191. 20 (190 . 9a to 19~9~O'f')'·~.--;4<;41i9~6~NB=--'.D..--------------~,

3500000T - TRICYCLIC TERPANES

3000000

2500000Tz'{

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400000

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ime--:£8.00 60.00Uridahce ----

200000 _

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74.00

72.100

72 .00----

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1000000 D· DRIMANES"(,~

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150000

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100000

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