Cementing interface bonding strength testing device and method

The technology of a testing device and a testing method, which is applied in the field of oil drilling, can solve problems such as unstable test results, unfavorable sample testing, and cumbersome testing steps, and achieve the effects of simple structure, low cost, and high practicability

Inactive Publication Date: 2016-03-16
ANTON OILFIELD SERVICES (GRP) LTD
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  • Abstract
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  • Claims
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Problems solved by technology

[0003] At present, there is no systematic test device and clear operating procedures for testing the bonding strength of the cementing interface. Instead, the bonding strength of the cementing interface is tested by ultra...

Method used

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  • Cementing interface bonding strength testing device and method
  • Cementing interface bonding strength testing device and method
  • Cementing interface bonding strength testing device and method

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Embodiment Construction

[0056]In order to further explain the technical means and effects of the present invention to achieve the intended purpose of the invention, the specific implementation, structure, characteristics and effects of the test bench proposed according to the present invention will be described in detail below in conjunction with the accompanying drawings and preferred embodiments. The description is as follows. In the following description, different "one embodiment" or "embodiment" do not necessarily refer to the same embodiment. Furthermore, the particular features, structures, or characteristics of one or more embodiments may be combined in any suitable manner.

[0057] like figure 1 As shown, a schematic structural diagram of the cementing interface bond strength testing device provided by the embodiment of the present invention. A kind of cementing interface bonding strength testing device of the present embodiment comprises: support seat 10 (such as Figure 4 shown), simula...

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Abstract

The invention provides a cementing interface bonding strength testing device and method and relates to the technical field of oil drilling in order to achieve purposes of accurate testing result, work efficiency improvement and facilitation of testing of a large number of samples. The main technical scheme is characterized in that the cementing interface bonding strength testing device comprises a support base, a simulating casing, a pressure application piece and a pressure tester, wherein the support base is provided with a through hole; one end of the simulating casing is connected with the support base, and a cavity of the simulating casing has the same size with the through hole and is coaxially arranged with the through hole; the wall of the cavity is used for cementing set cement; the pressure application piece is arranged at the other end of the simulating casing and can be used for extruding the set cement under the action of pressure, so that the set cement is separated from the wall of the cavity and drops into the through hole; the pressure output end of the pressure tester is connected with the pressure application piece, and he pressure tester is used for applying pressure to the pressure application piece and recording the maximum pressure value.

Description

technical field [0001] The invention relates to the technical field of petroleum drilling, in particular to a cementing interface bonding strength testing device and method. Background technique [0002] With the rapid development of petroleum drilling technology, the requirements for cementing operations in petroleum engineering are getting higher and higher. However, the cementing interface environment is more complicated and there are more influencing factors, so the cementing interface cementing strength has a greater impact on the engineering quality. Therefore, it is an indisputable fact that the cementing quality and strength of the cementing interface directly affect the service life and development benefits of the oil well. [0003] At present, there is no systematic test device and clear operating procedures for testing the bonding strength of the cementing interface. Instead, the bonding strength of the cementing interface is tested by ultrasonic waves after on-s...

Claims

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Application Information

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IPC IPC(8): G01N19/04
Inventor 卢成辉王洁杨清江罗洪文张昊汤勇李保东
Owner ANTON OILFIELD SERVICES (GRP) LTD
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