合采井分层产量贡献地球化学实验监测技术

doi:10.11743/ogg20120219

Abstract

Abstract:

A geochemical monitoring technique is developed through integrating single component separation,quantitative GC analysis of absolute concentration with multi-internal standards,biomarkers GC-MS analysis and carbon isotope analysis.It can rapidly and effectively identify the differences of crude oil produced from different layers.Multiple geochemical production monitoring indexes were selected through clustering statistical analysis and crude oil blend proportion experiment,and their applicability was evaluated.Qualitative GC-MS analysis of the fingerprint compounds verified that they are non-mixed compounds.The fingerprint technology was used to perform separate-layer production monitoring in four commingled producing wells in W1 and W2 oilfields.The error is only about 10% to 15%,indicating that this technology can accurately identify the major pay zone.It is quick and economic and can be combined with production logging.

Key words: absolute quantitative analysis, partition experiment, clustering method, commingled producing well, production monitoring, geochemistry

CLC Number:

TE122.1

Shui Leilei, Peng Ping’an, Huang Heting, Liu Yuming. Geochemical monitoring technology of single layer production in commingled producing wells[J]. Oil & Gas Geology, 2012, 33(2): 314-320,328.

References

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Geochemical monitoring technology of single layer production in commingled producing wells

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