Study on Evaluation Method of Petroleum Resources in Mature Exploration Area：Taking Niuzhuang Sag of Bohaiwan Basin as an Example

ZHANG Lin-ye，LI Zheng，KONG Yang-xing，XU Xin-you，LIU Qing，LIU Hui-ping，WANG Ru

doi:10.11764/j.issn.1672-1926.2014.04.477

2014 , Vol. 25 >Issue 4: 477 - 489

DOI: https://doi.org/10.11764/j.issn.1672-1926.2014.04.477

Study on Evaluation Method of Petroleum Resources in Mature Exploration Area：Taking Niuzhuang Sag of Bohaiwan Basin as an Example

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1.Geological Scientific Research Institute,Shengli Oil Field Branch Company,SINOPEC,Dongying 257015,China；
2.State Key Laboratory of Continental Dynamics,Department of Geology,Northwest University,Xi′an 710069,China；
3.State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation,Chengdu University of Technology,Chengdu 610059,China）

Received date: 2014-01-22

Revised date: 2014-03-30

Online published: 2014-04-10

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Abstract

According to national demand of petroleum resource potential understanding in the eastern mature region,the applicability and confines of evaluation methods were analyzed.These methods include genetic method,statistical method,and analogy method.In allusion to problems of petroleum resource evaluation methods at home and abroad,we choose the Niuzhuang Sag as a representative region in the continental petroliferous basin of east China to calculate the petroleum resource quantity by using the play statistical method.Firstly,the source feature and distribution regularity of proved oil reserves in the study area was investigated,and then the relationship between hydrocarbon generation and reservoir formation was defined by analyzing the migration direction and path of petroleum.Finally,in combination with structure,stratum,sediment,and temperature-pressure conditions,the boundary of total petroleum system was divided.On the basis of research results above,the evaluation unit of reservoir combination was divided and the resource quantity was calculated by statistical method in the similar evaluation unit.In contrast to conventional petroleum resource evaluation method,this method,taking advantage of various geology materials of mature exploration area,can not only avoid choice of migration and accumulation coefficient which is difficult to control in genetic method,but also compensate the shortage of geology materials in statistical method.Furthermore,it can point out the difference of remaining resources in each reservoir combination,and provide the evidence for fine exploration in mature exploration area.

Key words： Mature exploration area; Resource evaluation; Reservoir combination; Statistical method; Genetic method; Evaluation unit

Cite this article

ZHANG Lin-ye，LI Zheng，KONG Yang-xing，XU Xin-you，LIU Qing，LIU Hui-ping，WANG Ru . Study on Evaluation Method of Petroleum Resources in Mature Exploration Area：Taking Niuzhuang Sag of Bohaiwan Basin as an Example[J]. Natural Gas Geoscience, 2014 , 25(4) : 477 -489 . DOI: 10.11764/j.issn.1672-1926.2014.04.477

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