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Shale oil saturation determination method and device, electronic equipment and storage medium

A technology for determining method and saturation, applied in image analysis, image enhancement, climate sustainability, etc., can solve problems such as inability to separate oil-water signals, error of oil saturation, large influence of temperature in oil saturation data experiment, etc.

Active Publication Date: 2021-12-10
DAQING OILFIELD CO LTD +1
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Problems solved by technology

[0002] Shale oil saturation is a key parameter for reserve calculation. Since the oil signal exists in small pores, the distillation method is often used to calculate the oil saturation of cores. However, the oil saturation data obtained by this method is greatly affected by the experimental temperature.
NMR has certain advantages in fluid identification, but it cannot separate oil and water signals in small holes, resulting in certain errors in oil saturation

Method used

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  • Shale oil saturation determination method and device, electronic equipment and storage medium
  • Shale oil saturation determination method and device, electronic equipment and storage medium
  • Shale oil saturation determination method and device, electronic equipment and storage medium

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Embodiment Construction

[0093] Various exemplary embodiments, features, and aspects of the present disclosure will be described in detail below with reference to the accompanying drawings. The same reference numbers in the figures indicate functionally identical or similar elements. While various aspects of the embodiments are shown in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

[0094] The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration." Any embodiment described herein as "exemplary" is not necessarily to be construed as superior or better than other embodiments.

[0095] The term "and / or" in this article is just an association relationship describing associated objects, which means that there can be three relationships, for example, A and / or B can mean: A exists alone, A and B exist simultaneously, and there exists alone B these three situations. In addition, the term "at least one" herein mean...

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Abstract

The invention relates to a shale oil saturation determination method and device, electronic equipment and a storage medium, and relates to the technical field of shale oil saturation. The invention discloses the shale oil saturation determination method comprising the following steps: acquiring first signal intensity corresponding to first two-dimensional nuclear magnetic resonance distribution of shale, fourth signal intensity corresponding to second two-dimensional nuclear magnetic resonance distribution of the shale without water, and setting a hydrogen-containing index of formation water and a hydrogen-containing index of an oil sample; and determining the oil saturation of the shale based on the first signal intensity, the fourth signal intensity, the hydrogen-containing index of the set formation water and the hydrogen-containing index of the set oil sample. According to the embodiment of the invention, the oil saturation of shale can be determined.

Description

technical field [0001] The present disclosure relates to the technical field of shale oil saturation, in particular to a method and device for determining shale oil saturation, electronic equipment and a storage medium. Background technique [0002] Shale oil saturation is a key parameter for reserve calculation. Since the oil signal exists in small pores, the distillation method is often used to calculate the oil saturation of cores. However, the oil saturation data obtained by this method is greatly affected by the experimental temperature. NMR has certain advantages in fluid identification, but it cannot separate oil and water signals in small holes, resulting in certain errors in oil saturation. Contents of the invention [0003] The disclosure proposes a method and device for determining the oil saturation of shale, electronic equipment and technical solutions for storage media. [0004] According to an aspect of the present disclosure, a method for determining oil s...

Claims

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Application Information

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IPC IPC(8): G06T7/00G06T7/62
CPCG06T7/0002G06T7/62G06T2207/10088Y02A90/30
Inventor 何文渊胡法龙李长喜
Owner DAQING OILFIELD CO LTD
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