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Method and apparatus for determining dessert area of target area

A technology of target areas and sweet spots, which is applied in the field of oil exploration, can solve the problems of large errors and low accuracy in determining sweet spots, and achieve the effect of accurate determination

Active Publication Date: 2017-06-30
PETROCHINA CO LTD
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  • Abstract
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  • Claims
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Problems solved by technology

[0005] The embodiment of the present application provides a method and device for determining the sweet spot area of ​​the target area, so as to solve the technical problems of low accuracy and large error in determining the sweet spot area existing in the existing sweet spot area determination method

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  • Method and apparatus for determining dessert area of target area
  • Method and apparatus for determining dessert area of target area
  • Method and apparatus for determining dessert area of target area

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Embodiment Construction

[0061] 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.

[0062] Considering the existing method for determining the sweet spot area, the data and samples of the reference area are usually not analyzed specifically, but the data of the reference area are directly applied to determine the maturity range of the sweet spot area of ​​the target area. In fact, there are often different sedimentary en...

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Abstract

The embodiment of the application provides a method and apparatus for determining a dessert area of a target area. The method comprises: according to a maturity parameter, oil production data, a marine low-maturity source rock sample and burial history data of a reference area, a maturity range of a dessert area of the reference area is determined firstly and then hydrocarbon generation conversion rate range of the dessert area of the reference is determined; a hydrocarbon generation kinetic analysis is carried out on a continental low-maturity source rock sample of the target area to obtain a relationship curve between an experimental temperature and a hydrocarbon generation conversion rate in the target area, and then an experimental temperature range of the target area is determined according to the hydrocarbon generation conversion rate range of the dessert area of the reference areal; and then a maturity range of the dessert area of the target area is determined. Because the data of the reference area are processed firstly, a technical problem of inaccurate determination of the dessert area because of direct usage of the data of the dessert area for prediction of the dessert area of the target area in the prior art can be solved.

Description

technical field [0001] The present application relates to the technical field of petroleum exploration, in particular to a method and device for determining a sweet spot in a target area. Background technique [0002] With the development of oil exploration technology, people pay more and more attention to the "sweet spots" (oil-rich areas) in shale oil. Correspondingly, how to accurately determine the "sweet spot" in the target area has gradually become an important content in the field of oil exploration research. [0003] At present, in order to determine the sweet spot of the target area, the existing methods usually directly apply the data of the reference area (the area that has completed the exploration and determination of the "sweet spot") to predict the target area. For example, the relationship between oil production data and maturity parameters determined by exploration in Area A is used as the evaluation parameter standard for continental shale oil to directly ...

Claims

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Application Information

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IPC IPC(8): G01V9/00
CPCG01V9/005
Inventor 崔景伟郑飞
Owner PETROCHINA CO LTD
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