CN218179892U - Ultrasonic thickness measurement calibration test block for petroleum drill collar - Google Patents
Ultrasonic thickness measurement calibration test block for petroleum drill collar Download PDFInfo
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- CN218179892U CN218179892U CN202222545289.8U CN202222545289U CN218179892U CN 218179892 U CN218179892 U CN 218179892U CN 202222545289 U CN202222545289 U CN 202222545289U CN 218179892 U CN218179892 U CN 218179892U
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- drill collar
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- wall thickness
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Abstract
The utility model relates to a guarantee oil drill collar wall thickness measurement accurate oil drill collar with ultrasonic wave thickness measurement calibration test block, calibration test block base member cross-section is the solid body of two arc surfaces of correspondence, the base member material is the same with the oil drill collar, two arc surface radius sizes are unanimous with the interior radius of circle of corresponding drill collar, four adjacent planes of arc surface are the calibration plane on the cube, the calibration plane interval of a pair of parallel is drill collar wall thickness maximum, another calibration plane interval to the parallel is drill collar wall thickness minimum, above-mentioned size deviation is at +/- (0.02 ~ 0.05) mm, calibration plane depth of parallelism<0.005mm, cube surface roughnessR a 0.3-0.4 μm, and the calibration test blocks are a series covering SThe diameter size of the drill collar in the standard of the drill collar Y/T5144-2013 meets the requirement of an ultrasonic thickness gauge on measuring the wall thickness of the drill collar, and ensures that the wall thickness of the drill collar is accurately measured.
Description
Technical Field
The utility model belongs to the technical field of oil drill collar wall thickness detects, concretely relates to guarantee oil drill collar wall thickness measurement accurate oil drill collar with ultrasonic wave thickness measurement calibration test block.
Background
In the process of measuring the wall thickness of the petroleum drill collar, a thickness calibration block is arranged on the ultrasonic thickness gauge, the ultrasonic thickness gauge is calibrated by the thickness calibration block, the thickness of the thickness block is 4mm or 5mm, a coupling agent is coated on the plane of the thickness block, a probe of the ultrasonic thickness gauge is coupled on the plane of the thickness block, the thickness measurement is carried out, and the reading of the gauge is corrected to enable the thickness value to reach 4mm. And finishing the calibration work, and then measuring the wall thickness of the oil drill collar. According to the 5.4 article of GB/T11344-2021 ultrasonic thickness measurement for nondestructive testing: the material of the test block is the same as the tested product, and the thickness of the test block covers the thickness range of the tested product, wherein one thickness value of the test block is not less than the maximum thickness of the measurement range, and the other thickness value of the test block is not more than the minimum thickness of the measurement range. Therefore, the ultrasonic thickness gauge with the thickness block can not meet the standard requirement. In conclusion, the reliability of the wall thickness measurement result of the oil drill collar cannot be determined.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the inconsistent ultrasonic thickness gauge calibration thickness piece that exists among the above-mentioned prior art, the thickness measurement error's that causes shortcoming and provide an oil drill collar with ultrasonic thickness measurement calibration test block, guarantee that oil drill collar wall thickness measurement is accurate.
In order to realize the purpose, the utility model discloses a technical scheme as follows: the utility model provides an oil is ultrasonic thickness measurement calibration test block for drill collar which characterized in that: the cross section of the base body of the calibration test block is a solid body corresponding to two curved surfaces, the material of the base body is the same as that of the petroleum drill collar, the radius size of the two arc surfaces is consistent with the inner radius and the outer radius of the corresponding drill collar, and four adjacent planes of the arc surfaces on the solid body are calibration planes; the distance between one pair of parallel calibration planes is the maximum value of the wall thickness of the drill collar, the distance between the other pair of parallel calibration planes is the minimum value of the wall thickness of the drill collar, and the dimension meets the standard requirement of SY/T5144-2013 drill collar.
The size deviation is +/-0.02-0.05 mm, and the plane parallelism is calibrated<0.005mm, standSurface roughness of cubeR a 0.3 to 0.4 μm.
The calibration test block is a series and covers the diameter dimension specification of a drill collar in the SY/T5144-2013 drill collar standard.
The utility model discloses following beneficial effect has:
an ultrasonic thickness measurement calibration test block for an oil drill collar is characterized in that a base body is made of the same material as the oil drill collar, and the size of the ultrasonic thickness measurement calibration test block covers the wall thickness dimension specification of the drill collar in the standard SY/T5144-2013 drill collar; the requirement of an ultrasonic thickness gauge for measuring the wall thickness of the drill collar is met, and the accurate measurement of the wall thickness of the drill collar is ensured.
Drawings
FIG. 1 is a schematic diagram of a calibration block.
In the figure, 1 is a calibration plane, and 2 is a circular arc surface.
Detailed Description
As shown in figure 1, the cross section of the ultrasonic thickness measurement calibration test block for the oil drill collar is a solid body corresponding to two arc surfaces 2, the base material is the same as that of the oil drill collar, the size of the radius on the arc surface is the same as that of the inner and outer circles of the corresponding drill collar, and four adjacent planes of the arc surfaces 2 on the solid body are calibration planes 1. The distance between one pair of parallel calibration planes 1 is the maximum value of the wall thickness of the drill collar, the distance between the other pair of parallel calibration planes 1 is the minimum value of the wall thickness of the drill collar, and the size meets the standard requirement of SY/T5144-2013 drill collar. The size deviation is +/-0.02-0.05 mm. Calibrating parallelism of a plane 1<0.005mm. Surface roughness of cubeR a 0.3-0.4 μm.
The calibration test block is a series and covers the diameter dimension specification of a drill collar in the SY/T5144-2013 drill collar standard.
In the process of measuring the wall thickness of the oil drill collar with the outer diameter of 88.9mm, firstly, calibration test blocks with the same size are selected according to the diameter size of the oil drill collar, an ultrasonic thickness gauge is calibrated by using the thickness measurement calibration test blocks, a calibration plane with the maximum value of the wall thickness of the oil drill collar of 52.00mm is selected, a probe of the ultrasonic thickness gauge is placed at the center position on the calibration plane to measure the distance between the calibration planes, the reading of the correction instrument is 52.00mm, the calibration plane with the maximum value of the wall thickness of the oil drill collar of 49.00mm is selected, the reading of the correction instrument is 49.00mm, and the ultrasonic thickness gauge completes calibration work through the two-point calibration. And then measuring the distance between the two arc surfaces of the calibration test block by using an ultrasonic thickness gauge to verify the wall thickness measurement of the drill collar. After the calibration and verification steps, the ultrasonic thickness gauge can be used for developing the drill collar wall thickness Hu Celiang. Utilize the utility model discloses, accomplish the calibration to the ultrasonic thickness gauge, guarantee that oil drill collar wall thickness measurement is accurate.
Claims (3)
1. The utility model provides an oil is ultrasonic thickness measurement calibration test block for drill collar which characterized in that: the cross section of the calibration test block substrate is a solid body with two corresponding arc surfaces, the substrate is made of the same material as the petroleum drill collar, the radius sizes of the two arc surfaces are consistent with the inner and outer radii of the corresponding drill collar, four adjacent planes of the arc surfaces on the solid body are calibration planes, the distance between one pair of parallel calibration planes is the maximum value of the wall thickness of the drill collar, and the distance between the other pair of parallel calibration planes is the minimum value of the wall thickness of the drill collar.
2. The ultrasonic thickness measurement calibration test block for the oil drill collar as claimed in claim 1, wherein: the size deviation of the ultrasonic thickness measurement calibration test block for the petroleum drill collar is +/-0.02-0.05 mm, and the plane parallelism is calibrated<0.005mm, cube surface roughnessR a 0.3-0.4 μm.
3. The ultrasonic thickness measurement calibration test block for the oil drill collar as claimed in claim 1, wherein: the calibration test block is a series and covers the diameter dimension specification of a drill collar in the SY/T5144-2013 drill collar standard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222545289.8U CN218179892U (en) | 2022-09-26 | 2022-09-26 | Ultrasonic thickness measurement calibration test block for petroleum drill collar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222545289.8U CN218179892U (en) | 2022-09-26 | 2022-09-26 | Ultrasonic thickness measurement calibration test block for petroleum drill collar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218179892U true CN218179892U (en) | 2022-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222545289.8U Active CN218179892U (en) | 2022-09-26 | 2022-09-26 | Ultrasonic thickness measurement calibration test block for petroleum drill collar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218179892U (en) |
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2022
- 2022-09-26 CN CN202222545289.8U patent/CN218179892U/en active Active
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