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V O L .

X X X V I I , NUM. 1, 1985

EVALUACIN GEOQUMICA

DEL

S U R E S T E

DE

M E X I C O

:

Ing Noel

Holgun Quiones*

A B S T R A C T :

Geochemica l

information from Ch ia pa sT ab as co and Ca mp ec he sound areas was

studied to eva lua te the regi onal beh avi or of the different ch em ic al and optical par ame

ters, and thei r rel ati onshi p with the geologic al even ts, and the

nature

of hydrocarbons,

in ord er to kno w the possibil ities of pet rol eum oc cu rr en ce at

depths

greater

than 6 , 0 0 0

meters.

In

order to achieve this purpose, direct analytical results

like,

pyrolisis data , o rga nic

car bon cont ent, t herm al alt eration i ndex, type of orga nic matte r, were used, as well

as general geological information and indirect para met ers like Lo pat in s ti me-

temperature index T T I ) , calculated from subsidence curves.

W e

dete rmine d T it hon ia n sediments as the regionally most import ant oil source rocks.

Th e y are now within t he oil window or, occa sio nal ly, they have gone bey ond it. Mio

cene

rocks are mostly im ma tur e in the are a. Excel len t corre lati on betwee n Tit hon ia n

T T I

values and specific gravit y ( AP I ) of oils from Ju ra ss i c and cr eta ceo us product ive

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2 0 - 0 0 r

V O L . X X X V I I ,

N U M . 1, 1985

9

:: oo

9 1

*30

iMfOp

I9

-00

MAPA NDICE DELOCALIZACIN DE POZOS.

lot nmeros se correspondan con

la

tabla

I

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TABLA

I

N U M E R O

Y NO MBR E DE LOS POZ OS QU E AP AR EC EN EN E L PLA NO 2

00

1. ABKATUN5

34.

CHEM-1

67.

KINIL-1

100.

PLATERO-IA

2.

ACACH-1

35.

CHIAPAS-1 68.KIX-1 101.PLATANAL1

3.

ACANUN-IOl

36.

CHILAM-1

69.

KOKAY-1

102.

POL-77

4

AGAVE201

37.CHILAPILLA 70. KU-487 103.

POM

SUR-1

5 ALUX-I

38. CHIPILIN-1 71. KUCHE-1 104. PUERTO CEIBAlOlA

6. AMATITAN-I

39.

CHIRIMOYO-1

72

LISBOA-1

105

ROSARITO-2A

7, APOMPO-1

40.

CHIRIVITAL-2

73.

LUCH-1

106.

SABANCUY-1

8.

ARRASTRADERO-201

41.

CHOCHAL-3

74.

LUNA-1

107.

SAMARIA-1

9. ARROYO PANTANO-101A 42.CHONTAL-I 75. MACUSPANA-201 108 SEN-1

10.

ARROYO ZANAPA-1

43.

CHOPO-101

76.

MALOOB-1 109.SINAN-1

1 . ARTESA-1

44.

CHUC-101

77.

MANIK-101 110.SITIO GRANDE-82

12.AZTLAN-1

45.

DORADO1

78 MARAON-301A 111. SUNUAPA-101

13.

BACAB1 46 EDEN-1 79. MARISMA-IC 112.TABAY-1

14. BATAB-1

47.

EK-I 80 MECATE-1 113.TAPIJULAPA-1

15.

BOQUIAPA-101

48.

ENCINO-101

81.

MERCEDES-IOIA

114

TECOMINOACAN-IOIA

16.CAAN1 49.ENEBRO-1 82 MICO1 115. TEPEYIL-IA

17.

CAB-1

50.

FENIX-1

83

MORA-1 116 TINTAL-1

18.CACTUS-41

51. GAUCHO-I

84. MUNDO

NUEVO-2A

117

TLAPALCO-1

19.CACHO LOPEZ-2 52.GIRALDAS-2

85.

MUCUY-1 118. TOPEN-1

20.CANTAREl.L-91

53.

HORMIGUERO 86. MUSPAC-1 119.TOPEN-101

21.

CAPARROSO-IB

54.

HUNTAZ-1

87.

NISPERO-I

120.

TRES PUEBLOS-IA

22.

CARDENAS-201

55.

ICH-1

88.

NOHOCH-2

121.

TARATUNICH-1

23.CARMENA-1 56 IRIDE-30 89. OCH-1

122.TRIUNFO-101

24. CARMITO-1

57

IRIS-101

90.

OCUAPAN-201

123.

TUNICH-1

2.V CAY-1 58 IXTOC-18

91.

PALACARES-J 124.UECH-1

26.

CEEH-1

59.JACINTO-1 92. PARAISO-201

125.

VERNET-1

27.

COBO-301 60 JACOME-1

93.

PARAMO-1 126.XICALANGO-IOI

28.

COCO-l

61.JOLOCHERO-I 94 PAREDON-101

127.

YAABKAN-1

29. COPANO-1 62 JOSE COLOMO

95.

PEK-1 128.YAGUAL-1

30.CUNDUACAN-1 63.

JUJO-2A

96

PECH-1

129.

YUM-1

31.

CUATAJAPA-IOIA

64.

JUSPI-1

97.

PICH-1

130.

ZAZIL HA-1

32.CHAC-I

65.

KANAABlA 98 PIJIJE-IA 131.ZAPATERO-1

13 r H 4 r _ 9

66

KIIO)

99 .

PIIUL-1 132.ZINICI

69

O

w

>