CN102818999A - Magnetic field gradient testing device and method of non-magnetic drill collar - Google Patents
Magnetic field gradient testing device and method of non-magnetic drill collar Download PDFInfo
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- CN102818999A CN102818999A CN2012103279243A CN201210327924A CN102818999A CN 102818999 A CN102818999 A CN 102818999A CN 2012103279243 A CN2012103279243 A CN 2012103279243A CN 201210327924 A CN201210327924 A CN 201210327924A CN 102818999 A CN102818999 A CN 102818999A
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- magnetic field
- drill collar
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- field gradient
- proving installation
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Abstract
The invention belongs to the technical field of magnetic field gradient testing of non-magnetic petroleum drills, in particular to a magnetic field gradient testing device of a non-magnetic drill collar and a method for testing a magnetic field gradient by adopting the magnetic field gradient testing device. The magnetic field gradient testing device of the non-magnetic drill collar comprises a computer recording device, a measurement probe connected with the computer recording device, a trolley used for driving the non-magnetic drill collar to move, and a support frame used for fixing and supporting the measurement probe. According to the magnetic field gradient testing device of the non-magnetic drill collar and a yard, in the yard for testing the magnetic property of the drill collar, by using the magnetic property testing device, a magnetic field gradient recording curve can accurately reflect the magnetic field gradient distribution condition of an inner hole of a drill, and can be used for accurately checking the magnetic property of the drill.
Description
Technical field
The invention belongs to no magnetite oil drilling tool magnetic field gradient technical field of measurement and test, be specifically related to method a kind of non-magnetic drill collar magnetic field gradient proving installation and that adopt this device to test.
Background technology
Because my company directly is engaged in the manufacturing of non-magnetic drilling tool, up to the present, occupation rate keeps first always on the market of non-magnetic drilling tool.Stipulate according to " SY/T 5144-2007 People's Republic of China (PRC) oil and gas industry standard-drill collar standard " 6.4.2 clause magnetic performance testing method: C type drill collar non-magnetic drill collar departs from the uniform magnetic field maximum deviation and is no more than ± 0.05 μ T; Drilling tool is placed positive North and South direction; It is motionless to pop one's head in; The motion of tested drill collar north and south makes probe measure any magnetic field gradient Δ B value at a distance of 100mm along endoporus.Do not find domestic this project detection technique that has at present.According to this present situation, we develop this cover proving installation, and can be used for domestic and detection exported product.
Summary of the invention
The objective of the invention is to customer service deficiency of the prior art and provide a kind of easy to operate, simple in structure, can measure the non-magnetic drill collar magnetic field gradient proving installation and the method for testing thereof of the magnetic property of drill collar accurately.
The objective of the invention is to realize like this: a kind of non-magnetic drill collar magnetic field gradient proving installation; It is characterized in that: comprise computer record device, the measuring sonde that is connected with the computer record device, in order to drive dolly that non-magnetic drill collar moves, in order to the bracing frame of fixed support measuring sonde
Described measuring sonde is fixedly mounted in the cylinder shape sensor protective cover of a hollow; The two ends of described columniform sensor protection cover are provided with two spliced eyes; Be fitted with insulating bar in the spliced eye; This insulating bar is fixedly installed on the bracing frame, is fitted with in another spliced eye in order to connect the circumscripted power line of computer record device and measuring sonde
Described dolly drives through windlass and slides along two-orbit, and described cylinder shape sensor protective cover is done the relative slip of level in the endoporus of non-magnetic drill collar simultaneously.
Described bracing frame is made up of horizontally disposed probe fixed bar and the hold-down support that vertically is provided with.
Described cylinder shape sensor protective cover is formed by two semi-cylindrical sensor protection cover butt joints, and two semi-cylindrical sensor protection covers carry out fastening through screw.
The car body of described dolly partly adopts wood materials, and wheel hub and wheel shaft adopt stainless steel material.
Described two-orbit adopts the bakelite plate material.
The described insulating bar that is inserted into cylinder shape sensor protective cover one end adopts epoxy rods.
Described computer record device is for to be formed by connecting magnetic field intensity signal converter and computer, and described magnetic field intensity signal converter is connected with the observation probe.
The method that a kind of non-magnetic drill collar magnetic field gradient proving installation is tested, method is following:
At first, the particle diameter after employing cement, the filtration is that the thick yellow sand of 0.6-0.8mm, particle diameter mix the ground of laying test site less than stone and the water of 8mm by the weight ratio of 1:2:4:0.5, and it is the insulating material bakelite plate of 30mm that two-orbit is selected thickness for use; Use thickness two-orbit to be anchored on the ground, place dolly, measuring sonde is mounted in the cylinder shape sensor protective cover as copper coin and the fastener of 3mm; Non-magnetic drill collar is fixed on the dolly,, puts into the non-magnetic drill collar endoporus the cylinder shape sensor protective cover; Secondly, drive dolly through windlass and carry out at the uniform velocity mobilely with 1 meter/minute speed, it is motionless that measuring sonde keeps; With the relative velocity motion of drill collar with 1 meter/minute; Measuring sonde will be delivered to the magnetic field intensity signal converter along the electromagnetic intensity value that the non-magnetic drill collar endoporus is measured at a distance of 100mm, and converter is delivered to computer with signal Processing through connection; In computer, utilizing VB software to set up with drill collar length is transverse axis; Drill collar magnetic field gradient Δ B value is the coordinate system of the longitudinal axis, on the coordinate system with ± 0.05 μ T as bound, computer record probe is measured any some magnetic induction density value at a distance of 100mm along endoporus; With the difference of 2 magnetic induction density values as magnetic field gradient Δ B value; Thereby draw the change curve of whole non-magnetic drill collar magnetic field gradient, the magnetic field gradient curve judges that promptly this drill collar magnetic field gradient index is qualified between ± 0.05 μ T is as bound; Exceed bound like curve, judge that promptly this drill collar magnetic field gradient index is defective, and confirm defective district.
Described measuring sonde is by being made up of at a distance of the measurement of magnetic field sensor of 100mm two cover straight lines.
The present invention has following advantage: ask applicant's a kind of non-magnetic drilling tool magnetic field gradient proving installation provided by the present invention and place; In drill collar magnetism testing place; Utilize this cover magnetism testing device; The magnetic field gradient recording curve can accurately reflect the magnetic field gradient profile situation of drilling tool endoporus, and the drilling tool magnetic property is accurately checked.
Measuring sonde will be measured any some magnetic induction density value at a distance of 100mm along the non-magnetic drill collar endoporus and be delivered to the magnetic field intensity signal converter; Converter is delivered to computer with signal Processing through connection, in computer, utilizes the VB software programming; Foundation is transverse axis with drill collar length; Drill collar magnetic field gradient Δ B value is the coordinate system of the longitudinal axis, on the coordinate system with ± 0.05 μ T as bound, the transverse axis coordinate be drill collar run duration and movement velocity long-pending be drill collar length; With the difference of 2 magnetic induction density values as magnetic field gradient Δ B value, thereby draw the change curve of whole non-magnetic drill collar magnetic field gradient.
Description of drawings
Fig. 1 is the structural representation of survey sensor part of the present invention.
Fig. 2 is the plan structure synoptic diagram of Fig. 1.
Fig. 3 is the A-A cut-open view among Fig. 1.
Fig. 4 is the B-B cut-open view among Fig. 1.
Structural representation when Fig. 5 measures termination for measuring sonde.
Fig. 6 measures ongoing structural representation for measuring sonde.
Fig. 7 measures the structural representation initial the time for measuring sonde.
Fig. 8 is non-magnetic drilling tool test curve figure.
Embodiment
Below in conjunction with concrete embodiment the present invention is done further description.
Like Fig. 1,2,3,4, shown in 5; A kind of non-magnetic drill collar magnetic field gradient proving installation; Comprise computer record device (2), the measuring sonde 1 that is connected with the computer record device, in order to drive dolly (3) that non-magnetic drill collar moves, in order to the bracing frame (4) of fixed support measuring sonde (1)
Described measuring sonde 1 is fixedly mounted in the cylinder shape sensor protective cover 5 of a hollow; The two ends of described columniform sensor protection cover 5 are provided with two spliced eyes 6; Be fitted with insulating bar 7 in the spliced eye; This insulating bar 7 is fixedly installed on the bracing frame 4, is fitted with in another spliced eye in order to connect the circumscripted power line 8 of computer record device 2 and measuring sonde 1
Described dolly 3 drives through windlass 9 and slides along two-orbit 13, and described cylinder shape sensor protective cover 5 is done the relative slip of level in the endoporus of non-magnetic drill collar simultaneously.
Described bracing frame 4 is made up of horizontally disposed probe fixed bar 10 and the hold-down support 11 that vertically is provided with.
Described cylinder shape sensor protective cover 5 is formed by two semi-cylindrical sensor protection cover butt joints, and two semi-cylindrical sensor protection covers carry out fastening through screw 12.
The car body of described dolly 3 partly adopts wood materials, and wheel hub and wheel shaft adopt stainless steel material.
Described two-orbit 13 adopts the bakelite plate material.
The described insulating bar 7 that is inserted into cylinder shape sensor protective cover 5 one ends adopts epoxy rods.
Described computer record device 2 is for to be formed by connecting magnetic field intensity signal converter and computer, and described magnetic field intensity signal converter is connected with observation probe 1.
The method that a kind of non-magnetic drill collar magnetic field gradient proving installation is tested, method is following:
At first, the particle diameter after employing cement, the filtration is that the thick yellow sand of 0.6-0.8mm, particle diameter mix the ground of laying test site less than stone and the water of 8mm by the weight ratio of 1:2:4:0.5, and it is the insulating material bakelite plate of 30mm that two-orbit is selected thickness for use; Use thickness two-orbit to be anchored on the ground, place dolly, measuring sonde is mounted in the cylinder shape sensor protective cover as copper coin and the fastener of 3mm; Non-magnetic drill collar is fixed on the dolly,, puts into the non-magnetic drill collar endoporus the cylinder shape sensor protective cover; Secondly, drive dolly through windlass and carry out at the uniform velocity mobilely with 1 meter/minute speed, it is motionless that measuring sonde keeps; With the relative velocity motion of drill collar with 1 meter/minute; Measuring sonde will be delivered to the magnetic field intensity signal converter along the electromagnetic intensity value that the non-magnetic drill collar endoporus is measured at a distance of 100mm, and converter is delivered to computer with signal Processing through connection; In computer, utilizing VB software to set up with drill collar length is transverse axis; Drill collar magnetic field gradient Δ B value is the coordinate system of the longitudinal axis, on the coordinate system with ± 0.05 μ T as bound, computer record probe is measured any some magnetic induction density value at a distance of 100mm along endoporus; With the difference of 2 magnetic induction density values as magnetic field gradient Δ B value; Thereby draw the change curve of whole non-magnetic drill collar magnetic field gradient, the magnetic field gradient curve judges that promptly this drill collar magnetic field gradient index is qualified between ± 0.05 μ T is as bound; Exceed bound like curve, judge that promptly this drill collar magnetic field gradient index is defective, and confirm defective district.
Described measuring sonde is by being made up of at a distance of the measurement of magnetic field sensor of 100mm two cover straight lines.
Claims (9)
1. non-magnetic drill collar magnetic field gradient proving installation; It is characterized in that: the measuring sonde (1) that comprise computer record device (2), is connected with the computer record device, in order to drive dolly (3) that non-magnetic drill collar moves, in order to the bracing frame (4) of fixed support measuring sonde (1)
Described measuring sonde (1) is fixedly mounted in the cylinder shape sensor protective cover (5) of a hollow; The two ends of described columniform sensor protection cover (5) are provided with two spliced eyes (6); Be fitted with insulating bar (7) in the spliced eye; This insulating bar (7) is fixedly installed on the bracing frame (4), is fitted with in another spliced eye in order to connect the circumscripted power line (8) of computer record device (2) and measuring sonde (1)
Described dolly (3) drives through windlass (9) and slides along two-orbit (13), and described cylinder shape sensor protective cover (5) is done the relative slip of level in the endoporus of non-magnetic drill collar simultaneously.
2. a kind of non-magnetic drill collar magnetic field gradient proving installation according to claim 1 is characterized in that: described bracing frame (4) is made up of the hold-down support (11) of horizontally disposed probe fixed bar (10) and vertically setting.
3. a kind of non-magnetic drill collar magnetic field gradient proving installation according to claim 1; It is characterized in that: described cylinder shape sensor protective cover (5) is formed by two semi-cylindrical sensor protection cover butt joints, and two semi-cylindrical sensor protection covers carry out fastening through screw (12).
4. a kind of non-magnetic drill collar magnetic field gradient proving installation according to claim 1, it is characterized in that: the car body of described dolly (3) partly adopts wood materials, and wheel hub and wheel shaft adopt stainless steel material.
5. a kind of non-magnetic drill collar magnetic field gradient proving installation according to claim 3 is characterized in that: described two-orbit (13) adopts the bakelite plate material.
6. a kind of non-magnetic drill collar magnetic field gradient proving installation according to claim 1 is characterized in that: the described insulating bar (7) that is inserted into cylinder shape sensor protective cover (5) one ends adopts epoxy rods.
7. a kind of non-magnetic drill collar magnetic field gradient proving installation according to claim 1; It is characterized in that: described computer record device (2) is for to be formed by connecting magnetic field intensity signal converter and computer, and described magnetic field intensity signal converter is connected with observation probe (1).
8. method of utilizing the described non-magnetic drill collar magnetic field gradient of claim 1 proving installation to test, it is characterized in that: method is following:
At first, the particle diameter after employing cement, the filtration is that the thick yellow sand of 0.6-0.8mm, particle diameter mix the ground of laying test site less than stone and the water of 8mm by the weight ratio of 1:2:4:0.5, and it is the insulating material bakelite plate of 30mm that two-orbit is selected thickness for use; Use thickness two-orbit to be anchored on the ground, place dolly, measuring sonde is mounted in the cylinder shape sensor protective cover as copper coin and the fastener of 3mm; Non-magnetic drill collar is fixed on the dolly,, puts into the non-magnetic drill collar endoporus the cylinder shape sensor protective cover; Secondly, drive dolly through windlass and carry out at the uniform velocity mobilely with 1 meter/minute speed, it is motionless that measuring sonde keeps; With the relative velocity motion of drill collar with 1 meter/minute; Measuring sonde will be delivered to the magnetic field intensity signal converter along the electromagnetic intensity value that the non-magnetic drill collar endoporus is measured at a distance of 100mm, and converter is delivered to computer with signal Processing through connection; In computer, utilizing VB software to set up with drill collar length is transverse axis; Drill collar magnetic field gradient Δ B value is the coordinate system of the longitudinal axis, on the coordinate system with ± 0.05 μ T as bound, computer record probe is measured any some magnetic induction density value at a distance of 100mm along endoporus; With the difference of 2 magnetic induction density values as magnetic field gradient Δ B value; Thereby draw the change curve of whole non-magnetic drill collar magnetic field gradient, the magnetic field gradient curve judges that promptly this drill collar magnetic field gradient index is qualified between ± 0.05 μ T is as bound; Exceed bound like curve, judge that promptly this drill collar magnetic field gradient index is defective, and confirm defective district.
9. the method that a kind of non-magnetic drill collar magnetic field gradient proving installation according to claim 8 is tested is characterized in that: described measuring sonde is by being made up of at a distance of the measurement of magnetic field sensor of 100mm two cover straight lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210327924.3A CN102818999B (en) | 2012-09-07 | 2012-09-07 | Magnetic field gradient testing device and method of non-magnetic drill collar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210327924.3A CN102818999B (en) | 2012-09-07 | 2012-09-07 | Magnetic field gradient testing device and method of non-magnetic drill collar |
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| Publication Number | Publication Date |
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| CN102818999A true CN102818999A (en) | 2012-12-12 |
| CN102818999B CN102818999B (en) | 2015-03-25 |
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| CN201210327924.3A Active CN102818999B (en) | 2012-09-07 | 2012-09-07 | Magnetic field gradient testing device and method of non-magnetic drill collar |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104502869A (en) * | 2014-12-08 | 2015-04-08 | 中原特钢股份有限公司 | Device and method for testing magnetic field performance of solid nonmagnetic steel billet |
| CN110515018A (en) * | 2019-09-25 | 2019-11-29 | 河南中原特钢装备制造有限公司 | A kind of measurement method of no magnetic centralizer relative permeability |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201546638U (en) * | 2009-11-30 | 2010-08-11 | 中原特钢股份有限公司 | Novel drill collar used for oil field drilling |
| CN202794485U (en) * | 2012-09-07 | 2013-03-13 | 中原特钢股份有限公司 | Non-magnetic drill collar magnetic field gradient testing device |
-
2012
- 2012-09-07 CN CN201210327924.3A patent/CN102818999B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201546638U (en) * | 2009-11-30 | 2010-08-11 | 中原特钢股份有限公司 | Novel drill collar used for oil field drilling |
| CN202794485U (en) * | 2012-09-07 | 2013-03-13 | 中原特钢股份有限公司 | Non-magnetic drill collar magnetic field gradient testing device |
Non-Patent Citations (1)
| Title |
|---|
| 国家发展和改革委员会: "《中华人名共和国石油天然气行业标准-钻铤》", 8 October 2007 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104502869A (en) * | 2014-12-08 | 2015-04-08 | 中原特钢股份有限公司 | Device and method for testing magnetic field performance of solid nonmagnetic steel billet |
| CN104502869B (en) * | 2014-12-08 | 2017-08-25 | 中原特钢股份有限公司 | A kind of solid nonmagnetic steel base magnetic field performance testing device and method |
| CN110515018A (en) * | 2019-09-25 | 2019-11-29 | 河南中原特钢装备制造有限公司 | A kind of measurement method of no magnetic centralizer relative permeability |
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| CN102818999B (en) | 2015-03-25 |
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Effective date of registration: 20180808 Address after: 459000 531 Industrial Park, Tiger Hill Industrial Cluster, Jiyuan City, Jiaozuo, Henan Patentee after: Henan Zhongyuan special steel equipment manufacturing Co., Ltd. Address before: 459000 Xiao Zhai, Jiyuan Town, Jiyuan City, Henan Patentee before: Zhongyuan Special Steel Co., Ltd. |