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Simple underground cement setting time point measuring device

A cement solidification and measuring device technology, which is applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve problems such as lack of measurement, and achieve the effects of easy operation, easy manufacture, and simple structure

Inactive Publication Date: 2020-06-09
TIANJIN JINUODA TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

The existing Vicat instrument can meet the measurement requirements of the solidification time of ordinary cement, but there is a lack of necessary tools for the measurement of the solidification time of cement equipped with fast setting agent under the condition of high temperature downhole

Method used

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  • Simple underground cement setting time point measuring device

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Embodiment Construction

[0014] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and preferred embodiments.

[0015] figure 1 A simple downhole cement solidification time point measurement device is shown, including a simulation kettle 13 and a simulation kettle cover 12 sealedly connected with the simulation kettle; cement is placed in the simulation kettle; the external setting of the simulation kettle is There is a heating jacket 6; a stirring bar is provided through the simulated kettle; the stirring bar includes a cylindrical rotating rod 3 passing through the cover of the simulated kettle and fixedly connected with the rotating rod for stirring The flaky mixing sheet 5 of cement; the said rotating rod can be connected with a kilogram wrench, utilize a kilogram wrench to apply a certain force to the rotating mixer, and then...

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Abstract

The invention belongs to the field of underground simulation measurement and particularly relates to a simple underground cement setting time point measuring device. The device comprises a simulationkettle and a simulation kettle cover connected with the simulation kettle in a sealed mode, wherein cement is placed in the simulation kettle, a heating sleeve is arranged outside the simulation kettle, a stirring rod penetrates through the simulation kettle, the stirring rod comprises a cylindrical rotating rod penetrating through the simulation kettle cover and a sheet-shaped stirring sheet which is fixedly connected with the rotating rod and is used for stirring the cement, and a sealing ring is arranged at a contact part of the rotating rod and the simulation kettle cover. The device is advantaged in that the device is simple in structure, easy to manufacture and convenient to operate, can be simply and effectively used for simulating the situation that the pipeline is fixed by the underground cement, and has a borrowed judgment effect on judgment of the underground cement setting time.

Description

technical field [0001] The invention belongs to the field of downhole simulation measurement, in particular to a simple downhole cement solidification time point measuring device. Background technique [0002] The national standard GB / T1346-2011 "Cement Standard Water Consumption, Setting Time, and Stability Test Method" stipulates that when testing the initial setting time and final setting time (collectively referred to as cement setting time) of cement, first put the test mold at room temperature and humidity After curing in a curing box with no less than 90% for a specific period of time, take it out, and put it in a laboratory with a temperature of normal temperature and a humidity of no less than 50% for testing with a cement setting time tester (Vicat instrument). The existing Vicat instrument can meet the measurement requirements of the solidification time of ordinary cement, but there is a lack of necessary tools for the measurement of the solidification point time ...

Claims

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Application Information

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IPC IPC(8): G01N33/38
CPCG01N33/383
Inventor 唐勇
Owner TIANJIN JINUODA TECH DEV
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