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Pressing plate assembly used for propping agent test

A proppant and pressure plate technology, applied in the field of pressure plate components for proppant testing, can solve the problems of the contact area not reaching the required value, the numerical inaccuracy of the crushing rate, the inaccuracy of the test force value, etc., so as to avoid the inaccuracy of the test force value. , the effect of improving the degree of standardization

Inactive Publication Date: 2015-11-18
中国石油天然气股份有限公司长庆油田分公司技术监测中心 +3
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  • Description
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  • Application Information

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Problems solved by technology

After use, it is found that there are mainly the following problems: 1. The ball head substructure of the existing pressure plate is a self-made part, and it is easy to cause the spherical contact area between the ball head and the ball seat to fail to reach the required value due to processing reasons, resulting in the test The force value is inaccurate; 2. The existing ball head pressure plate is too flexible, which leads to the inaccuracy of the broken rate value obtained by the customer after using it.

Method used

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  • Pressing plate assembly used for propping agent test
  • Pressing plate assembly used for propping agent test
  • Pressing plate assembly used for propping agent test

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Embodiment Construction

[0021] The technical scheme of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0022] Such as figure 2 As shown, a pressure plate assembly for proppant testing of the present invention is mainly used on a pressure testing machine for proppant testing. -2006 Fracturing proppant performance index and test recommended method", "Q / SY125-2007 Fracturing proppant performance tabulation and evaluation test method" in the proppant anti-fragmentation ability test and "SY / T6302-2009 Fracturing Test the short-term conductivity of proppant-packed layers in the Recommended Method for Evaluation of Short-term Conductivity of Proppant-packed Layers. The pressure testing machine is mainly composed of a main frame 1 , a transmission system 4 , a beam adjustment mechanism 3 and a pressing plate assembly 2 .

[0023] The working process of the pressure testing machine is:

[0024] According to different test items, place the crushing c...

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Abstract

The invention belongs to the technical field of detection equipment for an oil field, and particularly relates to a pressing plate assembly used for a propping agent test. The pressing plate assembly comprises an upper pressing plate (206) and a lower pressing plate (212), wherein a guiding limiting mechanism is arranged on the upper pressing plate (206); the upper pressing plate (206) is mounted on a main engine through a spherical plain thrust bearing (203). The pressing plate assembly has the advantages that the processing and assembling are convenient, and the accuracy of test results can be ensured.

Description

technical field [0001] The invention belongs to the technical field of detection equipment for oil fields, and in particular relates to a pressure plate assembly for proppant testing. Background technique [0002] Petroleum proppant is also known as petroleum fracturing proppant. During oil and gas deep well mining, high closure pressure and low permeability deposits are treated by fracturing, so that oil and gas-bearing rock formations are cracked, and oil and gas are collected from the channels formed by the cracks. At this time, it is necessary to inject fluid into the rock base to generate cracks in the rock formations around the wellbore under pressure exceeding the fracture strength of the formation, forming a channel with high-level flow capability. In order to keep the fractures formed after fracturing open and oil and gas products to pass through smoothly, petroleum proppant is usually used to enter the formation with high-pressure solution to fill in the formation ...

Claims

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Application Information

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IPC IPC(8): G01N3/02
Inventor 裴润有梁桂海杨毅潘文启白金亮姚亮嵇文涛蒙传幼胡科先董晓丽高越杨丹丹革晓东孙波姜风光高晔
Owner 中国石油天然气股份有限公司长庆油田分公司技术监测中心
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