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Geochemical evaluation method of shale oil resource mobility

A technology of geochemistry and evaluation method, applied in the field of geochemical evaluation of the mobility of shale oil resources

Active Publication Date: 2021-07-06
CHINA PETROLEUM & CHEM CORP +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] So far, there is no method that can quickly evaluate the mobility of shale oil and is relatively simple and easy to operate

Method used

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  • Geochemical evaluation method of shale oil resource mobility
  • Geochemical evaluation method of shale oil resource mobility
  • Geochemical evaluation method of shale oil resource mobility

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Embodiment Construction

[0024] In order to make the above and other objects, features and advantages of the present invention more comprehensible, the preferred embodiments are listed below and shown in the accompanying drawings in detail as follows.

[0025] Such as figure 1 as shown, figure 1 It is a flow chart of the geochemical evaluation method for the mobility of shale oil resources of the present invention.

[0026] Step 101, selecting samples of typical oil-producing layers and non-oil-producing layers in the research area. Production layer samples include conventional production layer samples, low-permeability and tight oil production layer samples, fractured shale reservoirs, matrix shale reservoirs and interlayer shale reservoirs. Example proves that various types of oil-producing layer samples all have similar distribution rules in the drawing plate of the present invention. Non-oil-producing layer samples include conventional reservoirs that are confirmed to contain oil but no crude o...

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Abstract

The invention provides a geochemical evaluation method for the mobility of shale oil resources. The geochemical evaluation method for the mobility of shale oil resources includes: step 1, selecting samples of typical oil-producing layers and non-oil-producing layers in the research area; 2. Conduct organic carbon and pyrolysis analysis of typical samples; Step 3, establish a geochemical parameter identification chart for shale oil mobility; Step 4, conduct organic carbon and pyrolysis analysis of samples to be evaluated; Step 5, conduct Mobility evaluation of shale oil resources in shale samples. This geochemical evaluation method for the mobility of shale oil resources can not only make full use of existing geochemical techniques and data, but also characterize shale oil content, crude oil properties, and evaluate shale oil mobility. Easy, low cost, easy to quickly evaluate the mobility of shale oil resources, and easier to popularize and apply.

Description

technical field [0001] The invention relates to the technical field of exploration and development of shale oil resources, in particular to a geochemical evaluation method for the mobility of shale oil resources. Background technique [0002] Shale oil is an important unconventional oil and gas resource, which mainly occurs in the matrix pores of shale, fractures / micro-fractures and thin interlayers in shale intervals, although mature shale source rocks generally contain However, due to relatively tight reservoirs and poor seepage capacity, the production of shale oil is restricted by many factors, including reservoir permeability, oil content, and oil properties. At present, the evaluation methods of shale oil mobility include empirical parameter method and simulation experiment method. [0003] The patent application with the application number 201310224584.6 "A method for evaluating the potential of shale oil resources in shale formations" discloses that the amount of sa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N7/16G01N25/00G16C20/30G16C20/70
CPCG01N7/16G01N25/00
Inventor 刘惠民林会喜李政包友书刘庆王宇蓉吴连波朱日房綦艳丽王大洋
Owner CHINA PETROLEUM & CHEM CORP