Rapid crude oil evaluation method

A crude oil and algorithm technology, applied in the direction of measuring devices, instruments, and nuclear magnetic resonance analysis, can solve the problems of inability to obtain molecular composition data of crude oil, high economic and time costs, and inability of production personnel to quickly obtain and guide production, etc. Achieve the effects of saving testing costs, increasing reliability, and improving economic benefits

Inactive Publication Date: 2018-11-06
SYSPETRO TECH CO LTD
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AI Technical Summary

Problems solved by technology

[0008] 1. The economic and time cost of obtaining comprehensive and detailed property data of crude oil is too high;
[0009] 2. The economic and time cost of obtaining comprehensive and detailed property data of crude oil wide and narrow fractions is too high;
[0010] 3. Obtaining comprehensive

Method used

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Experimental program
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Embodiment

[0035] Example: such as figure 1 As shown, a crude oil rapid evaluation method comprises the following steps:

[0036] (1) For the crude oil commonly used in a petrochemical plant, select 70 representative sets of historical crude oil detailed evaluation data, and establish a crude oil database. The detailed evaluation data includes but not limited to the following data: API (density, specific gravity) and acid value of crude oil , water content, true boiling point mass yield, sulfur content. According to the detailed evaluation data, the closest crude oil is searched in the crude oil molecular database, and the molecular data of the closest crude oil are fitted based on the detailed evaluation properties, and the detailed molecular composition data of 70 sets of historical crude oils can be obtained; The distance algorithm.

[0037] (2) Use the NMR analyzer to obtain the NMR spectrum of the newly purchased crude oil, see figure 2 . In addition, the sulfur content of crud...

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Abstract

The invention relates to a rapid crude oil evaluation method. The method provides a low-cost short-cycle and high-accuracy manner of acquiring comprehensive and detailed property data and molecular composition data of crude oil. The timely and complete raw data support can be provided for users, and accurate and rapid reference is provided for guiding and optimizing production of petrochemical enterprises. When the property of the crude oil is changed, the user can rapidly and accurately master the comprehensive and detailed property data and detailed molecular composition data of the crude oil and fractions by the method, and corresponding production strategy update and adjustment can be rapidly performed so as to improve the economic benefits of the enterprises.

Description

technical field [0001] The invention relates to the technical fields of petroleum refining and petrochemical production, in particular to a crude oil rapid evaluation method. Background technique [0002] For crude oil with different properties, its suitable treatment and refining schemes are also different. Adopting a suitable production plan or operating parameters can reduce production costs, increase product quality or yield, and maximize the benefits of refining and chemical enterprises. The properties of crude oil purchased from upstream or enterprises are not static, and their properties will deviate from the design values ​​of the original production operation plan over time. In order to cope with this change, refining and chemical enterprises need to quickly and accurately grasp the comprehensive and detailed property data of crude oil in order to formulate and update corresponding production planning strategies. [0003] my country currently has a complete set of...

Claims

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Application Information

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IPC IPC(8): G01N24/08
CPCG01N24/085
Inventor 何恺源洪自强
Owner SYSPETRO TECH CO LTD
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