A method and device for determining the phase state of oil and gas

A technology of oil and gas and phase state, applied in the field of oil and gas exploration, can solve the problems of low production efficiency, long cycle, high cost, etc., and achieve the effect of ensuring efficient and rapid exploration and development in deep layers

Active Publication Date: 2018-04-06
PETROCHINA CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, it takes a long time to conduct high-pressure test analysis for each oil and gas reservoir, the cost is high, and it needs to consume a lot of manpower and material resources, resulting in low production efficiency.

Method used

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  • A method and device for determining the phase state of oil and gas
  • A method and device for determining the phase state of oil and gas
  • A method and device for determining the phase state of oil and gas

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Embodiment Construction

[0027] In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described The embodiments are only some of the embodiments of the present application, but not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.

[0028] The specific implementation of the embodiment of the present application will be described in detail below with several specific examples.

[0029] An embodiment of a method for determining the phase state of oil and gas of the present application is firstly introduced below. figure 1 It is a flow chart of an embodiment of the met...

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Abstract

The embodiment of the invention provides a method and device for determining the oil gas phase state. The method comprises the steps that a reference crude oil sample with the known oil gas phase state is acquired, and corresponding oil gas phase state parameters are determined according to the oil gas phase state of the reference crude oil sample; content data of adamantine series compounds in the reference crude oil sample is acquired; the content data of the adamantine series compounds and the oil gas phase state parameters of the reference crude oil sample are subjected to fitting analysis processing, and a fitting relation between the content data of the adamantine series compounds and the oil gas phase state parameters of the reference crude oil sample is determined; oil gas phase state parameters of a target area crude oil sample are determined based on the fitting relation and acquired content data of adamantine series compounds in the target area crude oil sample; the oil gas phase state of the target area crude oil sample is determined according to the oil gas phase state parameters of the target area crude oil sample. According to the technical scheme provided in the embodiment, the oil gas phase state can be fast and accurately determined.

Description

technical field [0001] The invention relates to the technical field of oil and gas exploration, in particular to a method and a device for determining the phase state of oil and gas. Background technique [0002] In recent years, with the deepening of oil and gas exploration and development, there are less and less exploitable oil and gas in shallow basins, and it has become more and more difficult to make major breakthroughs in shallow basins. Therefore, it has become an inevitable trend to extend oil and gas exploration and development to deep areas. Under the condition of high temperature and high pressure in deep layers, the phase state of oil and gas is complex. The underground oil and gas phase state is also related to the determination of relevant supporting equipment and programs for exploration and development. [0003] In the prior art, to determine the phase state of oil and gas, it is generally possible to determine the phase state of oil and gas through high-p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N30/88G01N30/86
CPCG01N30/8696G01N30/88
Inventor 朱光有
Owner PETROCHINA CO LTD
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