CLASSIFICATION OF SOME NEW-ZEALAND CRUDE OILS AND CONDENSATES BY MEANS OF THEIR TRACE-ELEMENT CONTENTS

被引：17

作者：

FRANKENBERGER, A

BROOKS, RR

VARELAALVAREZ, H

COLLEN, JD

FILBY, RH

FITZGERALD, SL

机构：

[1] Department of Chemistry and Biochemistry, Massey University, Palmerston North

[2] Computer Centre, Massey University, Palmerston North

[3] Research School of Earth Sciences, Victoria University, Wellington

[4] Nuclear Radiation Center, Washington State University, Pullman, WA

来源：

APPLIED GEOCHEMISTRY | 1994年 / 9卷 / 01期

关键词：

D O I：

10.1016/0883-2927(94)90053-1

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

Sixteen trace elements (Al, As, Br, Cl, Co, Cr, Eu, Fe, La, Mn, Mo, Ni, Sb, Sc, V and W) were determined in 36 crude oils and condensates from New Zealand sedimentary basins, mostly from the Taranaki Basin. Concentrations of Al correlated strongly with ''clay mineral'' elements such as Cr, Fe, La, Mn, Mo and Sc. This indicated that most of the trace elements were bound in entrapped clay fractions. Although a Ni vs. V plot did not allow for effective discrimination of different oils and condensates because the number of Ni values (6) was so small, the abundances of both elements were extremely low and in the same range of values as Chinese non-marine oils. Principal components analysis of the data showed that two components (involving 15 elements) accounted for 66.9% of the variance of the system. A mutual plot of these two components indicated that the Maui-1 offshore oil and the Waiotapu and Kotuku seepage oils were separate from the main group of crudes from the Taranaki Basin.

引用

页码：65 / 71

页数：7

共 25 条

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