CN105787401B - A kind of personal identification method applied to oil drill rocker operation - Google Patents
A kind of personal identification method applied to oil drill rocker operation Download PDFInfo
- Publication number
- CN105787401B CN105787401B CN201410829390.3A CN201410829390A CN105787401B CN 105787401 B CN105787401 B CN 105787401B CN 201410829390 A CN201410829390 A CN 201410829390A CN 105787401 B CN105787401 B CN 105787401B
- Authority
- CN
- China
- Prior art keywords
- magnetic
- drilling rod
- magnetic marker
- coding
- marker
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/08—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes
Landscapes
- Engineering & Computer Science (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Earth Drilling (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
This application discloses a kind of personal identification methods applied to oil drill rocker operation, including：Magnetic marker processing is carried out to the specific portion of drilling rod；Detect the magnetic characteristic variation of specific portion；When detecting the exceptional value of magnetic characteristic, then the magnetic marker of drilling rod is detected, position, width and/or magnetic anomaly amplitude information based on magnetic marker obtain drilling rod coding.It is an advantage of the invention that：First, realize simple, the position, width based on magnetic marker and/or magnetic anomaly amplitude information acquisition drilling rod coding；Second, it is convenient for machine automatically identifying and reading, is especially easy to realize in drilling process and the automatic scene of coding is distinguished；Third, it is encoded by drilling rod, it can identify the identity information of oil drill rocker, it files by root to drilling rod, to know the every drilling rod time worked under the conditions ofs different depth, drawing/pressure, vibration, mud corrosivity etc., more scientific drilling rod classification is realized, it is possible to reduce drilling failure, the allowance stayed when drilling rod is eliminated can also be avoided excessive, reduce the totle drilling cost of drillng operation.
Description
Technical field
The present invention relates to a kind of personal identification methods applied to oil drill rocker operation.
Background technology
In the prior art, oil drill rocker is the important tool of drillng operation, and the length of every drilling rod is about 10 meters, multi section drill
Bar is connected in a manner of screw thread, and lower part is connected with bottom drilling assembly, and top connects kelly bar, tap etc..Mud passes through drilling rod
It is transported to underground.In the drillng operation bored using turntable, the torque of drilling machine is passed to by drilling rod the drill bit of underground.Drilling rod is
Longest part in drill string composition.Drilling rod needs to be subjected to pulling force, pressure, torsion, vibration, friction, drilling well corrosion in underground, needs
The degree of aging for wanting periodical evaluation drilling rod, is accordingly classified drilling rod, and eliminates and update in time.At present to the classification of drilling rod
Foundation includes the Thickness sensitivity periodically carried out and flaw detection.If can file by root to drilling rod, so that it may to know every brill
The bar time worked under different drilling conditions, such as depth, drawing/pressure, vibration, mud corrosivity etc., hereby it is possible to right
The degree of aging of drilling rod more comprehensively and accurately assess, and can effectively reduce drilling failure, can also avoid washing in a pan in drilling rod
The allowance stayed when eliminating is excessive, reduces the totle drilling cost of drillng operation.The prior art includes：One, mainstream way is in tool joint
Number is beaten with steel stamp by place.This mode is difficult to realize machine automatically identifying and reading, is also easy to stain mud and greasy dirt in addition, also easily by
Abrasion.Two, the embedded electronic chip in tool joint, wherein the number of storage drilling rod, passes through contact or contactless reading
Device reads the number.The electronic chip used in this scheme is difficult under conditions of underground high temperature and high vibration for a long time
Work, spoilage are high.Bar code (including two-dimensional bar code) three, is installed in tool joint.Bar code equally exist easily stain and
Disadvantage easy to wear.In short, lack at present a kind of reliability it is high and convenient for recognition oil drill rocker personal identification method.
Invention content
The purpose of the present invention is to overcome the above shortcomings and to provide a kind of identification sides applied to oil drill rocker operation
Method, it is not only of low cost, and also reliability is high, and it is convenient for machine automatically identifying and reading, it is especially easily achieved in drillng operation
Scene recognition in the process.
To achieve the goals above, the technical solution adopted by the present invention is：A kind of identity applied to oil drill rocker operation
Recognition methods, which is characterized in that including：Magnetic marker processing is carried out to the specific portion of drilling rod；Detect the magnetic of the specific portion
Characteristic variations；When detecting the exceptional value of magnetic characteristic, then the magnetic marker of drilling rod is detected, position based on the magnetic marker,
Width and/or magnetic anomaly amplitude information obtain drilling rod coding.
Further, the specific portion to drilling rod carries out the step of magnetic marker processing and includes：By drilling rod specific portion
Material replace or be added to the different material of magnetic property.
Further, it includes magnetic-field heat treatment that the specific portion to drilling rod, which carries out the step of magnetic marker processing, described
Magnetic-field heat treatment includes：The specific portion is heated, the Curie point of material is reached, using as magnetic marker area
Domain；Apply the magnetic field of specific direction to the magnetic marker region, it is described when the magnetic marker region is located on the shaft of drilling rod
Specific direction is the magnetic field consistent with the axial direction of drilling rod；It is described when the magnetic marker region is located on the connector of drilling rod
Specific direction is the radial direction along connector；The magnetic marker region is kept the temperature under magnetic fields, then, is carried out controllable
Cooling forms magnetic marker.
Further, the magnetic marker is set on the shaft of drilling rod, and the axially aligned or described magnetic marker is arranged
It on drilling rod shaft, and circumferentially arranges or the magnetic marker is set in tool joint, and presses circumferential arrangement.
Further, the axial width and axial position of the magnetic marker are measured by photoelectric encoder.
Further, the circumferential width and/or magnetic anomaly amplitude of the magnetic marker are measured by sensor array.
Further, by being set to drilling rod lateral surface, medial surface or the sensor circumferentially arranged around drilling rod or biography
The position of magnetic marker, width and/or magnetic anomaly amplitude described in sensor array measurement.
Further, the step of magnetic characteristic variation of the detection specific portion includes：Using Hall sensor,
And/or coil is detected.
Further, the drilling rod coding includes：Encode value part and start mark part, wherein the encoded radio portion
Point indicated using binary system or multi-system, or indicated using Morse code coding mode, the start mark part by with institute
The identical hex notation composition of coding value part is stated, or is set as the special marking different from the hex notation.
Further, drilling rod coding further includes error correction or check part, the error correction or check part using two into
System or multi-system indicate, or are indicated using coding modes such as Morse codes.
Beneficial effects of the present invention are：
First, it realizes simply, the specific portion of drilling rod is handled so that the magnetic property of the part changes, shape
At several magnetic markers, when detecting the exceptional value of magnetic characteristic, then the magnetic marker of drilling rod is detected, the position based on magnetic marker
It sets, width and/or magnetic anomaly amplitude information obtain drilling rod coding.
Second, it is convenient for machine automatically identifying and reading, is especially easy to realize in drilling process and the automatic scene of coding is distinguished,
The demand to artificial is reduced, the safety of personnel can be improved, can also be reduced because manual operation causes the possibility of mistake.
Third is encoded by drilling rod, can identify the identity information of oil drill rocker, is filed by root to drilling rod, to
It is known that the time that every drilling rod is worked under the conditions ofs different depth, drawing/pressure, vibration, mud corrosivity etc., realizes more
The drilling rod of science is classified, it is possible to reduce drilling failure can also avoid the allowance stayed when drilling rod is eliminated excessive, reduce drilling well
The totle drilling cost of operation.
Description of the drawings
Attached drawing described herein is used for providing further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please do not constitute the improper restriction to the application for explaining the application.In the accompanying drawings：
Fig. 1 is the flow chart of the personal identification method applied to oil drill rocker operation of the present invention；
Fig. 2 is the first embodiment schematic diagram of the drilling rod coding of method shown in Fig. 1；
Fig. 3 is the second embodiment schematic diagram of the drilling rod coding of method shown in Fig. 1；
Fig. 4 and Fig. 5 is the 3rd embodiment schematic diagram of the drilling rod coding of method shown in Fig. 1；
Fig. 6 is the fourth embodiment schematic diagram of the drilling rod coding of method shown in Fig. 1.
Specific implementation mode
Some vocabulary has such as been used to censure specific components in specification and claim.Those skilled in the art answer
It is understood that hardware manufacturer may call the same component with different nouns.This specification and claims are not with name
The difference of title is used as the mode for distinguishing component, but is used as the criterion of differentiation with the difference of component functionally.Such as logical
The "comprising" of piece specification and claim mentioned in is an open language, therefore should be construed to " include but do not limit
In "." substantially " refer in acceptable error range, those skilled in the art can be described within a certain error range solution
Technical problem basically reaches the technique effect.Specification subsequent descriptions are to implement the better embodiment of the application, so described
Description is being not limited to scope of the present application for the purpose of the rule for illustrating the application.The protection domain of the application
When subject to appended claims institute defender.
Embodiment 1
Fig. 1 is please referred to, the personal identification method applied to oil drill rocker operation of the invention includes：S100, to drilling rod
Specific portion carries out magnetic marker processing；S200 detects the magnetic characteristic variation of the specific portion；S300, when detecting magnetic characteristic
Exceptional value when, then detect the magnetic marker of drilling rod, based on the position of the magnetic marker, width and/or magnetic anomaly amplitude information
Obtain drilling rod coding.
Preferably, the magnetic characteristic includes magnetic conductivity, and as specific embodiment, the magnetic-field heat treatment includes improving magnetic
Conductance.
Preferably, the magnetic characteristic includes the squareness ratio of hysteresis loop.As specific embodiment, the magnetic-field heat treatment
Include improving the squareness ratio of hysteresis loop, or so that magnetic conductivity is kept constant within the scope of certain magnetic field constant.Specific real
It applies in example, using longitudinally magnetic heat treatment, that is, magnetic direction is identical as the flow direction that reading device actually uses when being heat-treated.
Alternatively, be heat-treated using transverse magnetic field, that is, the flow direction that magnetic direction and reading device actually use when being heat-treated is perpendicular.
Preferably, the specific portion to drilling rod carries out the step of magnetic marker processing and includes：To the specific portion into
Row heating, reach or slightly above material Curie point, using as magnetic marker region；It is applied on the magnetic marker region
The magnetic field for adding specific direction, when the magnetic marker region is located on the shaft of drilling rod, the specific direction is the axis with drilling rod
The magnetic field consistent to direction；When the magnetic marker region is located on the connector of drilling rod, the specific direction is the diameter along connector
To direction；The magnetic marker region is kept the temperature, then, is controllably cooled down, magnetic marker is formed.
Preferably, the specific portion is heated, can be also close to the Curie point of material, that is, use isothermal
Magnetic-field heat treatment mode：Magnetic marker region is heated to 50~100 DEG C of curie point or less, apply keep temperature constant behind magnetic field compared with
For a long time, then cool down.
When preferably, using magnetic conductivity as magnetic characteristic, as specific embodiment, it is heated to slightly above Curie point
780~830 DEG C, soaking time is 30~60min after applying magnetic field.
Preferably, 300~400 DEG C are controllably cooled to, magnetic conductivity can be improved in Temperature fall.
When preferably, using the squareness ratio of hysteresis loop as magnetic characteristic, as specific embodiment, it is heated to slightly below occupy
In 600~700 DEG C of temperature spot, soaking time is 60~90min after applying magnetic field, by longitudinally magnetic heat treatment, then with 200
DEG C/when cooling velocity be cooled to 350 DEG C, Temperature fall.
Preferably, controllable cooling respectively with 300 DEG C/when, 280 DEG C/when, 260 DEG C/when be cooled to 200 DEG C, hysteresis loop figure
Deformation is risen steeply, and loop line area is substantially reduced.
Preferably, heating device may include fired heater and attemperator, alternating current impression can also be used to heat
Device.
The change direction of magnetic characteristic exception is related with the excitation direction used in magnetic-field heat treatment, also with the biography of reading device
Sensor design is related.It can make label that magnetic characteristic be presented accordingly higher or relatively low.
Preferably, the specific portion to drilling rod carries out the step of magnetic marker processing and includes：By drilling rod specific portion
Material replaces with the different material of magnetic property.
Preferably, the steel of specific position are replaced with into the different material of magnetic property, such as copper, aluminium gold in tool joint
Belong to or its alloy either permanent-magnet materials such as the nonmetallic materials such as high intensity glue or neodymium iron boron.The method of replacement is included in drilling rod
The method being machined on connector produces multiple holes, inserts other materials, is formed and is compiled by the positions and dimensions of hole
Code.
Preferably, the specific portion to drilling rod carries out the step of magnetic marker processing and includes：To the specific portion into
Row heating, reaches the Curie point of material, using as magnetic marker region；The magnetic marker region is applied along drilling rod connecting
The magnetic field of head radial direction；The magnetic marker region is kept the temperature under magnetic fields, then, is controllably cooled down, is formed
Magnetic marker.
Fig. 2 illustrates the magnetic marker arranged on the circumference of tool joint, black portions be different magnetic markers position and
Width indication.
Drilling rod coding presses circumferential arrangement on the end face of the female adapter of certain drilling rod, using binary system, magnetic marker institute's generation
The symbol definition of table is as follows：
| Magnetic marker fan angle | 0 (no magnetic marker) | 12 |
| Represent symbol | 0 | 1 |
Each symbol occupies 12 degree of segment angles.12 degree of segment angles are divided between symbol.The magnetic for being 36 degree with a segment angle
Label is used as start mark.Encoded radio is 12 symbols.There is 1 even parity bit.This drilling rod coded format can at most indicate
4096 different values, i.e., 2 12 power.It encodes in figure and is arranged with the direction indicated by arrow, two codings are respectively：
| Encoded radio | Check value | The encoded radio decimal system |
| Left side encodes | 011010111010 | 1 | 1722 |
| Right side encodes | 101100111011 | 0 | 2875 |
Preferably, by measuring the position of the magnetic marker, width in the sensor array of tool joint upper edge circumferential arrangement
Degree and magnetic anomaly amplitude.
Preferably, the step of magnetic characteristic variation of the detection specific portion includes：Using Hall sensor, and/
Or coil is detected.
Preferably, the coil encircling is set to drilling rod.
Preferably, the drilling rod coding includes：Encode value part, start mark part, error correction or check part, wherein
The coding value part is with the error correction or check part using binary representation or multi-system expression, the start mark portion
Point by being formed with the coding value part and/or error correction or the identical hex notation of check part, or it is set as and the system
The different special marking of symbol.
The change direction of magnetic characteristic exception is related with the excitation direction used in magnetic-field heat treatment, also with the biography of reading device
Sensor design is related.It can make label that magnetic characteristic be presented accordingly higher or relatively low.
Preferably, the coding value part that the drilling rod coding includes uses binary form with the error correction or check part
Show or multi-system indicates that the start mark part is made of logical zero and logic 1, or is all different from logical zero and logic 1
Special marking.
Preferably, can be with if using binary representation, but be not limited to indicate logical zero and logic 1 with the following methods：
Preferably, in specific position, it is logic 1 to have magnetic marker then, and unmarked is then logical zero.Or it is opposite.
Preferably, in specific position, logical zero and logic 1 are distinguished with the size of magnetic marker, e.g., size is more than decision gate
Limit is then logic 1, and it is logical zero to be less than decision threshold then.Or it is opposite.
Preferably, in specific position, the magnetic characteristic of magnetic marker more higher than the original value of drill rod materials is then logic 1, relatively low
It is then logical zero.Or it is opposite.
Preferably, in specific position, the magnetic characteristic of all magnetic markers is all more higher than the original value of drill rod materials or all relatively low
In the case of, deviation value is then logic 1 higher than decision threshold, is then logical zero less than decision threshold.Or it is opposite.
Preferably, it is logic 1 that the spacing between two magnetic markers, which is more than decision threshold then, and it is logic to be less than decision threshold then
0.Or it is opposite.
Preferably, start mark can be utilized to determine the initial position of coding." specific position " described above can be with
Start mark is reference standard.
Preferably, the number of bits for encoding value part determines the numberical range that coding can indicate.One 16 two
Scale coding value can indicate 65536 different numerical value.
Preferably, the one or more combinations that can use the above method, form the magnetic marker of multi-system.For example, two
Spacing between magnetic marker has 100mm and 200mm, and width can be 30mm, 50mm, 70mm, then under each magnetic marker can be
One of six kinds of face：
| Width 30 | Width 50 | Width 70 | |
| Spacing 100 | |||:::::::// | |||||:::::// | |||||||:::// |
| Spacing 200 | |||:::::::::::::::::// | |||||:::::::::::::::// | |||||||:::::::::::::// |
The width of each symbology 10mm in table.Vertical line " | " represents the position and have passed through magnetic-field heat treatment, ":" indicate
Without magnetic-field heat treatment, oblique stroke " // " is the part of next label for the position.Represented by upper table is 6 systems
Magnetic marker.The encoded radio that one magnetic marker as 7 groups forms can indicate 279936 different numerical value, i.e., 7 times of 6
Power.
It, can be higher with magnetic characteristic using no magnetic marker (magnetic characteristic is without exception) as logical zero if indicated using multi-system
As logic 1, relatively low as logic 2 using magnetic characteristic, here it is a kind of ternary coding modes.It can also be no different with magnetic characteristic
Frequently as logical zero, using the higher 0.5-1.5 unit of magnetic characteristic as logic 1, higher 1.5-2.5 unit is as logic 2, partially
It more than high 2.5 units is used as logic 3, here it is a kind of quaternary coding modes.
Preferably, magnetic marker uses the quaternary, the symbol definition representated by magnetic marker as follows：
| Magnetic marker width (mm) | 0 (no magnetic marker) | 50 | 100 | 150 |
| Represent symbol | 0 | 1 | 2 | 3 |
It is divided into 200mm between each symbol.Using the specific combination 31 of quaternary symbol as start mark.Encoded radio is 8
A symbol.Using symbol and verification, the computational methods of check value are 8 symbol step-by-step exclusive or of encoded radio.This drilling rod
Coded format can at most indicate 65536 different values, i.e., 48 power.It is efficient coding value example below：
| Drilling rod encodes | Start mark | Encoded radio | Check value | The encoded radio decimal system |
| 31010311233 | 31 | 01031123 | 3 | 4955 |
| 31131023002 | 31 | 13102300 | 2 | 29872 |
| 31200112321 | 31 | 20011232 | 1 | 33134 |
| 31102231210 | 31 | 10223121 | 0 | 19161 |
The personal identification method of the present embodiment can also be applied to oil pipe and other downhole tools.
Embodiment 2
The personal identification method applied to oil drill rocker operation of the present embodiment includes：S100, to the specific portion of drilling rod
Carry out magnetic marker processing；S200 detects the magnetic characteristic with the specific portion and changes；S300, when detecting the different of magnetic characteristic
When constant value, then the magnetic marker of drilling rod is detected, position, width and/or magnetic anomaly amplitude information based on the magnetic marker obtain
Drilling rod encodes.
Preferably, the magnetic characteristic includes magnetic conductivity, and as specific embodiment, the magnetic-field heat treatment includes improving magnetic
Conductance.
Preferably, the magnetic characteristic includes the squareness ratio of hysteresis loop.As specific embodiment, the magnetic-field heat treatment
Include improving the squareness ratio of hysteresis loop, or so that magnetic conductivity is kept constant within the scope of certain magnetic field constant.Specific real
It applies in example, using longitudinal heat treatment, that is, magnetic direction is identical as the flow direction that drilling rod actually uses when being heat-treated.Alternatively, adopting
It is heat-treated with transverse magnetic field, that is, the flow direction that magnetic direction and drilling rod actually use when being heat-treated is perpendicular.
Preferably, the specific portion to drilling rod carries out the step of magnetic marker processing and includes：To the specific portion into
Row heating, reach or slightly above material Curie point, using as magnetic marker region；It is applied on the magnetic marker region
The magnetic field for adding specific direction, when the magnetic marker region is located on the shaft of drilling rod, the specific direction is the axis with drilling rod
The magnetic field consistent to direction；When the magnetic marker region is located on the connector of drilling rod, the specific direction is the diameter along connector
To direction；The magnetic marker region is kept the temperature, then, is controllably cooled down, magnetic marker is formed.
When preferably, using magnetic conductivity as magnetic characteristic, as specific embodiment, it is heated to slightly above Curie point
780~830 DEG C, soaking time is 30~60min.
Preferably, 300~400 DEG C are controllably cooled to, magnetic conductivity can be improved in Temperature fall.
When preferably, using the squareness ratio of hysteresis loop as magnetic characteristic, as specific embodiment, it is heated to slightly below occupy
In 600~700 DEG C of temperature spot, soaking time is 60~90min, by longitudinally magnetic heat treatment, then with 200 DEG C/when cool down
Speed is cooled to 350 DEG C, Temperature fall.
Preferably, controllable cooling respectively with 300 DEG C/when, 280 DEG C/when, 260 DEG C/when be cooled to 200 DEG C, hysteresis loop figure
Deformation is risen steeply, and loop line area is substantially reduced.
Preferably, heating device may include fired heater and attemperator, alternating current impression can also be used to heat
Device.
The change direction of magnetic characteristic exception is related with the excitation direction used in magnetic-field heat treatment, also with the biography of reading device
Sensor design is related.It can make label that magnetic characteristic be presented accordingly higher or relatively low.
Preferably, the specific portion to drilling rod carries out the step of magnetic marker processing and includes：By drilling rod specific portion
Material replaces with the different material of magnetic property.
Preferably, the steel of specific position are replaced with into the different material of magnetic property, such as copper, aluminium gold in tool joint
Category or the nonmetallic materials such as its alloy or high intensity glue.The method of replacement is the method being machined into tool joint
Multiple holes are produced, other materials are inserted, coding is formed by the positions and dimensions of hole.
Preferably, the specific portion to drilling rod carries out the step of magnetic marker processing and includes：To the specific portion into
Row heating, reach or slightly above material Curie point, using as magnetic marker region；It is applied on the magnetic marker region
Add the magnetic field consistent with tool joint radial direction；The magnetic marker region is kept the temperature.
Fig. 3 illustrates another embodiment of the magnetic marker arranged on the circumference of tool joint, and black portions are difference
The position of magnetic marker and width indication.
Drilling rod coding presses circumferential arrangement on the end face of certain drill pipe box, using the quaternary, representated by magnetic marker
Symbol definition such as figure in right side shown in.
Each symbol occupies 36 degree of segment angle, including the fixed intervals of 12 degree of segment angles.It is with a segment angle
60 degree of magnetic marker is as start mark.Encoded radio is 8 symbols.No parity check and error correction.This drilling rod coded format at most may be used
To indicate 65536 different values, i.e., 48 power.Encoded radio in the present embodiment is the quaternary 13021032, the i.e. decimal system
29262。
For those skilled in the art, equally can to other downhole tools with same or like female connector into
Row coding, to realize the identification to these downhole tools.
Preferably, by measuring the position of the magnetic marker, width in the sensor array of tool joint upper edge circumferential arrangement
Degree and magnetic anomaly amplitude.
Preferably, described the step of detecting the magnetic characteristic variation with the specific portion, includes：Using Hall sensor,
And/or coil is detected.
Preferably, the coil encircling is set to drilling rod, or is set to the side close to drilling rod.
Preferably, the drilling rod coding includes：Encode value part, start mark part, error correction or check part, wherein
The coding value part is with the error correction or check part using binary representation or multi-system expression, the start mark portion
Point by being formed with the coding value part and/or error correction or the identical hex notation of check part, or it is set as and the system
The different special marking of symbol.
The change direction of magnetic characteristic exception is related with the excitation direction used in magnetic-field heat treatment, also with the biography of reading device
Sensor design is related.It can make label that magnetic characteristic be presented accordingly higher or relatively low.
Preferably, the coding value part that the drilling rod coding includes uses binary form with the error correction or check part
Show or multi-system indicates that the start mark part is made of logical zero and logic 1, or is all different from logical zero and logic 1
Special marking.
Preferably, can be with if using binary representation, but be not limited to indicate logical zero and logic 1 with the following methods：
Preferably, in specific position, it is logic 1 to have magnetic marker then, and unmarked is then logical zero.Or it is opposite.
Preferably, in specific position, logical zero and logic 1 are distinguished with the size of magnetic marker, e.g., size is more than decision gate
Limit is then logic 1, and it is logical zero to be less than decision threshold then.Or it is opposite.
Preferably, in specific position, the magnetic characteristic of magnetic marker more higher than the original value of drill rod materials is then logic 1, relatively low
It is then logical zero.Or it is opposite.
Preferably, in specific position, the magnetic characteristic of all magnetic markers is all more higher than the original value of drill rod materials or all relatively low
In the case of, deviation value is then logic 1 higher than decision threshold, is then logical zero less than decision threshold.Or it is opposite.
Preferably, it is logic 1 that the spacing between two magnetic markers, which is more than decision threshold then, and it is logic to be less than decision threshold then
0.Or it is opposite.
Preferably, start mark can be utilized to determine the initial position of coding." specific position " described above can be with
Start mark is reference standard.
Preferably, the number of bits for encoding value part determines the numberical range that coding can indicate.One 16 two
Scale coding value can indicate 65536 different numerical value.
Preferably, the one or more combinations that can use the above method, form the magnetic marker of multi-system.For example, two
Spacing between magnetic marker has 100mm and 200mm, and width can be 30mm, 50mm, 70mm, then under each magnetic marker can be
One of six kinds of face：
| Width 30 | Width 50 | Width 70 | |
| Spacing 100 | |||:::::::// | |||||:::::// | |||||||:::// |
| Spacing 200 | |||:::::::::::::::::// | |||||:::::::::::::::// | |||||||:::::::::::::// |
The width of each symbology 10mm in table.Vertical line " | " represents the position and have passed through magnetic-field heat treatment, ":" indicate
Without magnetic-field heat treatment, oblique stroke " // " is the part of next label for the position.Represented by upper table is 6 systems
Magnetic marker.The encoded radio that one magnetic marker as 7 groups forms can indicate 279936 different numerical value, i.e., 7 times of 6
Power.
It, can be higher with magnetic characteristic using no magnetic marker (magnetic characteristic is without exception) as logical zero if indicated using multi-system
As logic 1, relatively low as logic 2 using magnetic characteristic, here it is a kind of coding modes of system.It can also be without exception with magnetic characteristic
As logical zero, using the higher 0.5-1.5 unit of magnetic characteristic as logic 1, higher 1.5-2.5 unit is higher as logic 2
It more than 2.5 units is used as logic 3, here it is a kind of quaternary coding modes.
Preferably, magnetic marker uses the quaternary, the symbol definition representated by magnetic marker as follows：
| Magnetic marker width (mm) | 0 (no magnetic marker) | 50 | 100 | 150 |
| Represent symbol | 0 | 1 | 2 | 3 |
It is divided into 200mm between each symbol.Using the specific combination 31 of quaternary symbol as start mark.Encoded radio is 8
A symbol.Using symbol and verification, the computational methods of check value are 8 symbol step-by-step exclusive or of encoded radio.This drilling rod
Coded format can at most indicate 65536 different values, i.e., 48 power.It is efficient coding value example below：
| Drilling rod encodes | Start mark | Encoded radio | Check value | The encoded radio decimal system |
| 31010311233 | 31 | 01031123 | 3 | 4955 |
| 31131023002 | 31 | 13102300 | 2 | 29872 |
| 31200112321 | 31 | 20011232 | 1 | 33134 |
| 31102231210 | 31 | 10223121 | 0 | 19161 |
The personal identification method of the present embodiment can also be applied to oil pipe and other downhole tools.
Embodiment 3
The personal identification method applied to oil drill rocker operation of the present embodiment includes：S100, to the specific portion of drilling rod
Carry out magnetic marker processing；S200 detects the magnetic characteristic with the specific portion and changes；S300, when detecting the different of magnetic characteristic
When constant value, then the magnetic marker of drilling rod is detected, position, width and/or magnetic anomaly amplitude information based on the magnetic marker obtain
Drilling rod encodes.
Preferably, the magnetic characteristic includes magnetic conductivity, and as specific embodiment, the magnetic-field heat treatment includes improving magnetic
Conductance.
Preferably, the magnetic characteristic includes the squareness ratio of hysteresis loop.As specific embodiment, the magnetic-field heat treatment
Include improving the squareness ratio of hysteresis loop, or so that magnetic conductivity is kept constant within the scope of certain magnetic field constant.Specific real
It applies in example, using longitudinal heat treatment, that is, magnetic direction is identical as the flow direction that drilling rod actually uses when being heat-treated.Alternatively, adopting
It is heat-treated with transverse magnetic field, that is, the flow direction that magnetic direction and drilling rod actually use when being heat-treated is perpendicular.
Preferably, the specific portion to drilling rod carries out the step of magnetic marker processing and includes：To the specific portion into
Row heating, reach or slightly above material Curie point, using as magnetic marker region；It is applied on the magnetic marker region
The magnetic field for adding specific direction, when the magnetic marker region is located on the shaft of drilling rod, the specific direction is the axis with drilling rod
The magnetic field consistent to direction；When the magnetic marker region is located on the connector of drilling rod, the specific direction is the diameter along connector
To direction；The magnetic marker region is kept the temperature, then, is controllably cooled down, to form magnetic marker.
When preferably, using magnetic conductivity as magnetic characteristic, as specific embodiment, it is heated to slightly above Curie point
780~830 DEG C, soaking time is 30~60min.
Preferably, 300~400 DEG C are controllably cooled to, magnetic conductivity can be improved in Temperature fall.
Preferably, so that magnetic conductivity is improved 10% using the permanent magnet (such as ndfeb magnet) of high energy product when excitation, make
Magnetic conductivity is set to improve 5% with the permanent magnet (such as alnico magnet) of low magnetic energy product.
When preferably, using the squareness ratio of hysteresis loop as magnetic characteristic, as specific embodiment, it is heated to slightly below occupy
In 600~700 DEG C of temperature spot, soaking time is 60~90min, by longitudinally magnetic heat treatment, then with 200 DEG C/when cool down
Speed is cooled to 350 DEG C, Temperature fall.
Preferably, controllable cooling respectively with 300 DEG C/when, 280 DEG C/when, 260 DEG C/when be cooled to 200 DEG C, hysteresis loop figure
Deformation is risen steeply, and loop line area is substantially reduced.
Preferably, heating device may include fired heater and attemperator, alternating current impression can also be used to heat
Device.
The change direction of magnetic characteristic exception is related with the excitation direction used in magnetic-field heat treatment, also with the biography of reading device
Sensor design is related.It can make label that magnetic characteristic be presented accordingly higher or relatively low.
Preferably, the specific portion to drilling rod carries out the step of magnetic marker processing and includes：By drilling rod specific portion
Material replaces with the different material of magnetic property.
Preferably, the steel of specific position are replaced with into the different material of magnetic property, such as copper, aluminium gold in tool joint
Category or the nonmetallic materials such as its alloy or high intensity glue.The method of replacement is the method being machined into tool joint
Multiple holes are produced, other materials are inserted, coding is formed by the positions and dimensions of hole.
Preferably, the specific portion to drilling rod carries out the step of magnetic marker processing and includes：To the specific portion into
Row heating, reach or slightly above material Curie point, using as magnetic marker region；It is applied on the magnetic marker region
Add the magnetic field consistent with the axial direction of drilling rod；The magnetic marker region is kept the temperature.
Fig. 4 and Fig. 5 illustrates axially aligned magnetic marker with drilling rod, and black portions are the position of different magnetic markers
It sets, the signal of width and magnetic conductivity abnormal amplitudes.
As shown in figure 4, drilling rod coding is along drilling rod shaft axial alignment.Using ternary.Magnetic marker is strong by different excitations
Degree form different magnetic conductivity abnormal amplitudes, representated by symbol definition it is as follows：
| Magnetic conductivity abnormal amplitudes | 0 (no magnetic marker) | + 5% | + 10% |
| Represent symbol | 0 | 1 | 2 |
Interval between the width and symbol of each symbol is 50mm.Using the specific combination 201 of ternary symbol as
Start mark.Encoded radio is 13 symbols.Using the verification of a symbol, check value respectively meets the minimum of sum equal to encoded radio
Position.This drilling rod coded format can at most indicate 1594323 different values, i.e., 3 13 power.Coding in the present embodiment
Value is Binary Zero 210022021102, the i.e. decimal system 419375.
Shown on the left of Fig. 5, drilling rod is encoded along drilling rod shaft axial alignment.Using octal system.Symbol representated by magnetic marker
Number definition is as shown on the right side of in figure.
The length of each symbol is 200mm, including the fixed intervals of 50mm.It is marked using octal notation 6 as starting
Note.Encoded radio is 5 symbols.Using symbol and verification, the computational methods of check value are after 5 symbols of encoded radio are added
Take minimum bit sign.This drilling rod coded format can at most indicate 32768 different values, i.e., 85 power.The present embodiment
In encoded radio be octal system 24607, i.e. the decimal system 10631, check value is 3 (octal system).
Preferably, the width and axial position of the magnetic marker are measured by photoelectric encoder.
Preferably, described the step of detecting the magnetic characteristic variation with the specific portion, includes：Using Hall sensor,
And/or coil is detected.
Preferably, the coil encircling is set to drilling rod, or is set to the side close to drilling rod.
Preferably, the drilling rod coding includes：Encode value part, start mark part, error correction or check part, wherein
The coding value part is with the error correction or check part using binary representation or multi-system expression, the start mark portion
Point by being formed with the coding value part and/or error correction or the identical hex notation of check part, or it is set as and the system
The different special marking of symbol.
The change direction of magnetic characteristic exception is related with the excitation direction used in magnetic-field heat treatment, also with the biography of reading device
Sensor design is related.It can make label that magnetic characteristic be presented accordingly higher or relatively low.
Preferably, the coding value part that the drilling rod coding includes uses binary form with the error correction or check part
Show or multi-system indicates that the start mark part is made of logical zero and logic 1, or is all different from logical zero and logic 1
Special marking.
Preferably, can be with if using binary representation, but be not limited to indicate logical zero and logic 1 with the following methods：
Preferably, in specific position, it is logic 1 to have magnetic marker then, and unmarked is then logical zero.Or it is opposite.
Preferably, in specific position, logical zero and logic 1 are distinguished with the size of magnetic marker, e.g., size is more than decision gate
Limit is then logic 1, and it is logical zero to be less than decision threshold then.Or it is opposite.
Preferably, in specific position, the magnetic characteristic of magnetic marker more higher than the original value of drill rod materials is then logic 1, relatively low
It is then logical zero.Or it is opposite.
Preferably, in specific position, the magnetic characteristic of all magnetic markers is all more higher than the original value of drill rod materials or all relatively low
In the case of, deviation value is then logic 1 higher than decision threshold, is then logical zero less than decision threshold.Or it is opposite.
Preferably, it is logic 1 that the spacing between two magnetic markers, which is more than decision threshold then, and it is logic to be less than decision threshold then
0.Or it is opposite.
Preferably, start mark can be utilized to determine the initial position of coding." specific position " described above can be with
Start mark is reference standard.
Preferably, the number of bits for encoding value part determines the numberical range that coding can indicate.One 16 two
Scale coding value can indicate 65536 different numerical value.
Preferably, the one or more combinations that can use the above method, form the magnetic marker of multi-system.For example, two
Spacing between magnetic marker has 100mm and 200mm, and width can be 30mm, 50mm, 70mm, then under each magnetic marker can be
One of six kinds of face：
| Width 30 | Width 50 | Width 70 | |
| Spacing 100 | |||:::::::// | |||||:::::// | |||||||:::// |
| Spacing 200 | |||:::::::::::::::::// | |||||:::::::::::::::// | |||||||:::::::::::::// |
The width of each symbology 10mm in table.Vertical line " | " represents the position and have passed through magnetic-field heat treatment, ":" indicate
Without magnetic-field heat treatment, oblique stroke " // " is the part of next label for the position.Represented by upper table is 6 systems
Magnetic marker.The encoded radio that one magnetic marker as 7 groups forms can indicate 279936 different numerical value, i.e., 7 times of 6
Power.
It, can be higher with magnetic characteristic using no magnetic marker (magnetic characteristic is without exception) as logical zero if indicated using multi-system
As logic 1, relatively low as logic 2 using magnetic characteristic, here it is a kind of coding modes of system.It can also be without exception with magnetic characteristic
As logical zero, using the higher 0.5-1.5 unit of magnetic characteristic as logic 1, higher 1.5-2.5 unit is higher as logic 2
It more than 2.5 units is used as logic 3, here it is a kind of quaternary coding modes.
Preferably, magnetic marker is along drilling rod shaft axial alignment, and using the quaternary, the symbol definition representated by magnetic marker is such as
Under：
| Magnetic marker width (mm) | 0 (no magnetic marker) | 50 | 100 | 150 |
| Represent symbol | 0 | 1 | 2 | 3 |
It is divided into 200mm between each symbol.Using the specific combination 31 of quaternary symbol as start mark.Encoded radio is 8
A symbol.Using symbol and verification, the computational methods of check value are 8 symbol step-by-step exclusive or of encoded radio.This drilling rod
Coded format can at most indicate 65536 different values, i.e., 48 power.It is efficient coding value example below：
| Drilling rod encodes | Start mark | Encoded radio | Check value | The encoded radio decimal system |
| 31010311233 | 31 | 01031123 | 3 | 4955 |
| 31131023002 | 31 | 13102300 | 2 | 29872 |
| 31200112321 | 31 | 20011232 | 1 | 33134 |
| 31102231210 | 31 | 10223121 | 0 | 19161 |
By taking first drilling rod encodes as an example, the marking situation on drilling rod from top to bottom is as follows (for convenience
It is changed to from left to right, " | " indicates that there is magnetic marker in this position, "：" this position is indicated without magnetic marker, the width of each symbology is
50mm。)
The personal identification method of the present embodiment can also be applied to oil pipe and other downhole tools.
Embodiment 4
The personal identification method applied to oil drill rocker operation of the present embodiment includes：S100, to the specific portion of drilling rod
Carry out magnetic marker processing；S200 detects the magnetic characteristic with the specific portion and changes；S300, when detecting the different of magnetic characteristic
When constant value, then the magnetic marker of drilling rod is detected, position, width and/or magnetic anomaly amplitude information based on the magnetic marker obtain
Drilling rod encodes.
Preferably, the magnetic characteristic includes magnetic conductivity, and as specific embodiment, the magnetic-field heat treatment includes improving magnetic
Conductance.
Preferably, the magnetic characteristic includes the squareness ratio of hysteresis loop.As specific embodiment, the magnetic-field heat treatment
Include improving the squareness ratio of hysteresis loop, or so that magnetic conductivity is kept constant within the scope of certain magnetic field constant.Specific real
It applies in example, using longitudinal heat treatment, that is, magnetic direction is identical as the flow direction that drilling rod actually uses when being heat-treated.Alternatively, adopting
It is heat-treated with transverse magnetic field, that is, the flow direction that magnetic direction and drilling rod actually use when being heat-treated is perpendicular.
Preferably, the specific portion to drilling rod carries out the step of magnetic marker processing and includes：To the specific portion into
Row heating, reach or slightly above material Curie point, using as magnetic marker region；It is applied on the magnetic marker region
The magnetic field for adding specific direction, when the magnetic marker region is located on the shaft of drilling rod, the specific direction is the axis with drilling rod
The magnetic field consistent to direction；When the magnetic marker region is located on the connector of drilling rod, the specific direction is the diameter along connector
To direction；The magnetic marker region is kept the temperature, then, is controllably cooled down, to form magnetic marker.
When preferably, using magnetic conductivity as magnetic characteristic, as specific embodiment, it is heated to slightly above Curie point
780~830 DEG C, soaking time is 30~60min.
Preferably, 300~400 DEG C are controllably cooled to, magnetic conductivity can be improved in Temperature fall.
When preferably, using the squareness ratio of hysteresis loop as magnetic characteristic, as specific embodiment, it is heated to slightly below occupy
In 600~700 DEG C of temperature spot, soaking time is 60~90min, by longitudinally magnetic heat treatment, then with 200 DEG C/when cool down
Speed is cooled to 350 DEG C, Temperature fall.
Preferably, controllable cooling respectively with 300 DEG C/when, 280 DEG C/when, 260 DEG C/when be cooled to 200 DEG C, hysteresis loop figure
Deformation is risen steeply, and loop line area is substantially reduced.
Preferably, heating device may include fired heater and attemperator, alternating current impression can also be used to heat
Device.
The change direction of magnetic characteristic exception is related with the excitation direction used in magnetic-field heat treatment, also with the biography of reading device
Sensor design is related.It can make label that magnetic characteristic be presented accordingly higher or relatively low.
Preferably, the specific portion to drilling rod carries out the step of magnetic marker processing and includes：By drilling rod specific portion
Material replaces with the different material of magnetic property.
Preferably, the steel of specific position are replaced with into the different material of magnetic property, such as copper, aluminium gold in tool joint
Category or the nonmetallic materials such as its alloy or high intensity glue.The method of replacement is the method being machined into tool joint
Multiple holes are produced, other materials are inserted, coding is formed by the positions and dimensions of hole.
Preferably, the specific portion to drilling rod carries out the step of magnetic marker processing and includes：To the specific portion into
Row heating, reach or slightly above material Curie point, using as magnetic marker region；It is applied on the magnetic marker region
Add the magnetic field consistent with tool joint radial direction；The magnetic marker region is kept the temperature.
Fig. 6 illustrates another embodiment of axially aligned magnetic marker with drilling rod, and black portions are different magnetic
The position of label and width indication, magnetic marker are located on the circumference of shaft.
Drilling rod coding is along two layers of drilling rod shaft circumferential arrangement, and A-A is first layer, and B-B is the second layer.Using binary system.Magnetic
The representative symbol definition of label is as follows：
| Magnetic marker fan angle | 0 (no magnetic marker) | 20 |
| Represent symbol | 0 | 1 |
In every layer of symbol, each symbol occupies 20 degree of segment angles in circumferencial direction.20 degree of segment angles are divided between symbol.Often
The axial length of a symbol is 200mm, and the axially spaced-apart of two layers of symbol is 300mm.In every layer of symbol, it is there are one length
The symbol of 400mm is as start mark.No parity check and error correction.Every layer in addition to start mark, there is 8 symbols, two layers of totally 16 symbol
Number.This drilling rod coded format can at most indicate 65536 different values, i.e., 2 16 power.Encoded radio in the present embodiment
For binary one 010011001001101, the i.e. decimal system 42573.
For those skilled in the art, according to this example principle, equally one mole can be constituted with every layer of magnetic marker
This code, several axially aligned Morse codes, the coding information of drilling rod is indicated with this.
Preferably, the width and axial position of the magnetic marker are measured by photoelectric encoder.
Preferably, described the step of detecting the magnetic characteristic variation with the specific portion, includes：Using Hall sensor,
And/or coil is detected.
Preferably, the coil encircling is set to drilling rod, or is set to the side close to drilling rod.
Preferably, the drilling rod coding includes：Encode value part, start mark part, error correction or check part, wherein
The coding value part is with the error correction or check part using binary representation or multi-system expression, the start mark portion
Point by being formed with the coding value part and/or error correction or the identical hex notation of check part, or it is set as and the system
The different special marking of symbol.
The change direction of magnetic characteristic exception is related with the excitation direction used in magnetic-field heat treatment, also with the biography of reading device
Sensor design is related.It can make label that magnetic characteristic be presented accordingly higher or relatively low.
Preferably, the coding value part that the drilling rod coding includes uses binary form with the error correction or check part
Show or multi-system indicates that the start mark part is made of logical zero and logic 1, or is all different from logical zero and logic 1
Special marking.
Preferably, can be with if using binary representation, but be not limited to indicate logical zero and logic 1 with the following methods：
Preferably, in specific position, it is logic 1 to have magnetic marker then, and unmarked is then logical zero.Or it is opposite.
Preferably, in specific position, logical zero and logic 1 are distinguished with the size of magnetic marker, e.g., size is more than decision gate
Limit is then logic 1, and it is logical zero to be less than decision threshold then.Or it is opposite.
Preferably, in specific position, the magnetic characteristic of magnetic marker more higher than the original value of drill rod materials is then logic 1, relatively low
It is then logical zero.Or it is opposite.
Preferably, in specific position, the magnetic characteristic of all magnetic markers is all more higher than the original value of drill rod materials or all relatively low
In the case of, deviation value is then logic 1 higher than decision threshold, is then logical zero less than decision threshold.Or it is opposite.
Preferably, it is logic 1 that the spacing between two magnetic markers, which is more than decision threshold then, and it is logic to be less than decision threshold then
0.Or it is opposite.
Preferably, start mark can be utilized to determine the initial position of coding." specific position " described above can be with
Start mark is reference standard.
Preferably, the number of bits for encoding value part determines the numberical range that coding can indicate.One 16 two
Scale coding value can indicate 65536 different numerical value.
Preferably, the one or more combinations that can use the above method, form the magnetic marker of multi-system.For example, two
Spacing between magnetic marker has 100mm and 200mm, and width can be 30mm, 50mm, 70mm, then under each magnetic marker can be
One of six kinds of face：
| Width 30 | Width 50 | Width 70 | |
| Spacing 100 | |||:::::::// | |||||:::::// | |||||||:::// |
| Spacing 200 | |||:::::::::::::::::// | |||||:::::::::::::::// | |||||||:::::::::::::// |
The width of each symbology 10mm in table.Vertical line " | " represents the position and have passed through magnetic-field heat treatment, ":" indicate
Without magnetic-field heat treatment, oblique stroke " // " is the part of next label for the position.Represented by upper table is 6 systems
Magnetic marker.The encoded radio that one magnetic marker as 7 groups forms can indicate 279936 different numerical value, i.e., 7 times of 6
Power.
It, can be higher with magnetic characteristic using no magnetic marker (magnetic characteristic is without exception) as logical zero if indicated using multi-system
As logic 1, relatively low as logic 2 using magnetic characteristic, here it is a kind of coding modes of system.It can also be without exception with magnetic characteristic
As logical zero, using the higher 0.5-1.5 unit of magnetic characteristic as logic 1, higher 1.5-2.5 unit is higher as logic 2
It more than 2.5 units is used as logic 3, here it is a kind of quaternary coding modes.
Preferably, magnetic marker is along drilling rod shaft axial alignment, and using the quaternary, the symbol definition representated by magnetic marker is such as
Under：
| Magnetic marker width (mm) | 0 (no magnetic marker) | 50 | 100 | 150 |
| Represent symbol | 0 | 1 | 2 | 3 |
It is divided into 200mm between each symbol.Using the specific combination 31 of quaternary symbol as start mark.Encoded radio is 8
A symbol.Using symbol and verification, the computational methods of check value are 8 symbol step-by-step exclusive or of encoded radio.This drilling rod
Coded format can at most indicate 65536 different values, i.e., 48 power.It is efficient coding value example below：
| Drilling rod encodes | Start mark | Encoded radio | Check value | The encoded radio decimal system |
| 31010311233 | 31 | 01031123 | 3 | 4955 |
| 31131023002 | 31 | 13102300 | 2 | 29872 |
| 31200112321 | 31 | 20011232 | 1 | 33134 |
| 31102231210 | 31 | 10223121 | 0 | 19161 |
By taking first drilling rod encodes as an example, the marking situation on drilling rod from top to bottom is as follows (for convenience
It is changed to from left to right, " | " indicates that there is magnetic marker in this position, "：" this position is indicated without magnetic marker, the width of each symbology is
50mm。)
The personal identification method of the present embodiment can also be applied to oil pipe and other downhole tools.
Embodiment 5
Before carrying out mass magnetic marker processing to a collection of drilling rod using magnetic-field heat treatment, it is true test method can be first passed through
Fixed rational magnetic-field heat treatment technological parameter, including heating, heat preservation and cooling method, excitation mode, applied mechanical tension type
Deng.According to test data, it is contemplated that magnetic marker treatment effect, the influence to drilling rod performance, heat treatment energy consumption, heat treatment time,
The compromise of many factors such as the difficulty of excitation mode, the difficulty of applied mechanical stress determines the technique ginseng of magnetic-field heat treatment
Number.
For example, when using magnetic conductivity as magnetic characteristic, since 350 DEG C, until 800 DEG C, a temperature is selected every 50 DEG C
Heating temperature of the degree point as heat treatment, soaking time are respectively adopted 5 minutes, 15 minutes, 30 minutes, 60 minutes, cooling rate
120 DEG C/h, 300 DEG C/h, 600 DEG C/h are respectively adopted, longitudinal magnetic field and transverse magnetic field is respectively adopted in excitation mode,
Apply 10 tons of axial tension respectively to drilling rod and do not apply axial force, by above-mentioned parameter composite test as a result, in magnetic mark
The magnetic conductivity of note increases by 5% or more, heat treatment time in the parameter combination within 3 hours, one group of work for selecting energy consumption less
For final magnetic-field heat treatment technological parameter.
Beneficial effects of the present invention are：
It realizes simply, the specific portion of drilling rod is handled so that the magnetic property of the part changes, and is formed several
A magnetic marker then detects the magnetic marker of drilling rod when detecting the exceptional value of magnetic characteristic, position based on the magnetic marker,
Width and/or magnetic anomaly amplitude information obtain drilling rod coding.It is encoded by drilling rod, so that it may to know every drilling rod in different drilling wells
Condition, such as depth, pulling force, pressure, worked time can hereby it is possible to identify the identity information of oil drill rocker operation
It files by root to drilling rod, cost is relatively low, and it is excessive to avoid the allowance stayed when drilling rod is eliminated, it is possible to reduce waste.
Several preferred embodiments of the application have shown and described in above description, but as previously described, it should be understood that the application
Be not limited to form disclosed herein, be not to be taken as excluding other embodiments, and can be used for various other combinations,
Modification and environment, and the above teachings or related fields of technology or knowledge can be passed through in application contemplated scope described herein
It is modified.And changes and modifications made by those skilled in the art do not depart from spirit and scope, then it all should be in this Shen
It please be in the protection domain of appended claims.
Claims (9)
1. a kind of personal identification method applied to oil drill rocker operation, which is characterized in that including：
Magnetic marker processing is carried out to the specific portion of drilling rod；The specific portion to drilling rod carries out the step of magnetic marker processing and wraps
Include magnetic-field heat treatment；
Detect the magnetic characteristic variation of the specific portion；
When detecting the exceptional value of magnetic characteristic, then the magnetic marker of drilling rod is detected, position, width based on the magnetic marker
And/or magnetic anomaly amplitude information obtains drilling rod coding；
The magnetic-field heat treatment includes：The specific portion is heated, the Curie point of material is reached, using as
Magnetic marker region；To the magnetic marker region apply specific direction magnetic field, under magnetic fields to the magnetic marker region into
Row heat preservation, then, is controllably cooled down, and magnetic marker is formed.
2. the personal identification method according to claim 1 applied to oil drill rocker operation, which is characterized in that described pair of brill
The specific portion of bar carries out the step of magnetic marker processing and includes：The material of drilling rod specific portion is replaced or is added to magnetic property not
Same material.
3. the personal identification method according to claim 1 applied to oil drill rocker operation, which is characterized in that the magnetic mark
Note is set on the shaft of drilling rod, and axially aligned, or
The magnetic marker is set on drilling rod shaft, and is circumferentially arranged, or
The magnetic marker is set in tool joint, and presses circumferential arrangement.
4. the personal identification method according to claim 3 applied to oil drill rocker operation, which is characterized in that pass through photoelectricity
Encoder measures the axial width and axial position of the magnetic marker.
5. the personal identification method according to claim 4 applied to oil drill rocker operation, which is characterized in that pass through sensing
The circumferential width of magnetic marker and magnetic anomaly amplitude described in device array measurement.
6. the personal identification method according to claim 1 applied to oil drill rocker operation, which is characterized in that pass through setting
The position of the magnetic marker is measured in drilling rod lateral surface, medial surface or the sensor circumferentially arranged around drilling rod or sensor array
It sets, width and/or magnetic anomaly amplitude information.
7. the personal identification method according to claim 6 applied to oil drill rocker operation, which is characterized in that the detection
The specific portion magnetic characteristic variation the step of include：It is detected using Hall sensor and/or coil.
8. the personal identification method applied to oil drill rocker operation according to any one of claim 1-7, feature
It is, the drilling rod coding includes：Encode value part and start mark part, wherein the coding value part uses binary system
Or multi-system indicate, or using Morse code coding mode indicate, the start mark part by with the coding value part
Identical hex notation composition, or it is set as the special marking different from the hex notation.
9. the personal identification method according to claim 8 applied to oil drill rocker operation, which is characterized in that the drilling rod
Coding further includes error correction or check part, and the error correction or check part are indicated using binary system or multi-system, or using not
The coding modes such as your this code indicate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410829390.3A CN105787401B (en) | 2014-12-26 | 2014-12-26 | A kind of personal identification method applied to oil drill rocker operation |
| PCT/CN2015/098373 WO2016101886A1 (en) | 2014-12-26 | 2015-12-23 | Identity identification method and device applied to petroleum drill pipe operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410829390.3A CN105787401B (en) | 2014-12-26 | 2014-12-26 | A kind of personal identification method applied to oil drill rocker operation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105787401A CN105787401A (en) | 2016-07-20 |
| CN105787401B true CN105787401B (en) | 2018-09-07 |
Family
ID=56149284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410829390.3A Active CN105787401B (en) | 2014-12-26 | 2014-12-26 | A kind of personal identification method applied to oil drill rocker operation |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105787401B (en) |
| WO (1) | WO2016101886A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115613029A (en) * | 2022-09-08 | 2023-01-17 | 河北光束激光科技有限公司 | Oil drill pipe marking method based on binary coding |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1588035A (en) * | 2004-09-24 | 2005-03-02 | 华中科技大学 | Pipe rod screw fault detection sensor |
| CN1676863A (en) * | 2004-04-02 | 2005-10-05 | 中国科学院金属研究所 | Oil well pipe or sucker rod feature marking method |
| CN2763465Y (en) * | 2004-07-15 | 2006-03-08 | 中国科学院金属研究所 | Magnetic marked oil well pipe and sucker rod |
| CN101055615A (en) * | 2007-02-02 | 2007-10-17 | 北京理工大学 | Electromagnetic type slotted weight marking and identification technology |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060179694A1 (en) * | 2005-01-31 | 2006-08-17 | Akins Charles T | Coding identification system and method for drill pipe |
| CN102121352A (en) * | 2010-01-07 | 2011-07-13 | 王海侨 | System for automatically recognizing lengths of drill rods |
| CN202533980U (en) * | 2012-03-15 | 2012-11-14 | 上海中科清洁能源技术发展中心 | Electronic tag |
| CN203925311U (en) * | 2014-04-25 | 2014-11-05 | 上海海隆石油钻具有限公司 | The drilling tool with electronic identification label |
-
2014
- 2014-12-26 CN CN201410829390.3A patent/CN105787401B/en active Active
-
2015
- 2015-12-23 WO PCT/CN2015/098373 patent/WO2016101886A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1676863A (en) * | 2004-04-02 | 2005-10-05 | 中国科学院金属研究所 | Oil well pipe or sucker rod feature marking method |
| CN2763465Y (en) * | 2004-07-15 | 2006-03-08 | 中国科学院金属研究所 | Magnetic marked oil well pipe and sucker rod |
| CN1588035A (en) * | 2004-09-24 | 2005-03-02 | 华中科技大学 | Pipe rod screw fault detection sensor |
| CN101055615A (en) * | 2007-02-02 | 2007-10-17 | 北京理工大学 | Electromagnetic type slotted weight marking and identification technology |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105787401A (en) | 2016-07-20 |
| WO2016101886A1 (en) | 2016-06-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2013273664B2 (en) | System and method for monitoring tubular components of a subsea structure | |
| CN103760222A (en) | Mining steel wire rope online detection device and method based on giant magnetoresistance sensor array | |
| CN105318849B (en) | A kind of method of equipment punching coding | |
| CN105787401B (en) | A kind of personal identification method applied to oil drill rocker operation | |
| CN105740930B (en) | It is a kind of can optomagnetic recognition barcode encoding method | |
| CN109521084A (en) | A kind of buried pipeline weak magnetic method of determination and evaluation | |
| CN105784835A (en) | System and method for measuring damage degree of petroleum drill pipes | |
| CN101055615A (en) | Electromagnetic type slotted weight marking and identification technology | |
| US20140165741A1 (en) | Mechanical force components sensing system and an associated method thereof for a magnetically encoded device | |
| Li et al. | Induced circumferential current for transverse crack detection on a pipe string | |
| 贾然 et al. | Sensitivity improvement method of on-line inductive wear particles monitor sensor | |
| Yilai et al. | Improving SNR of MFL detecting defect signal of drill pipe by using pole piece | |
| Knight et al. | Controlled failure design of drillstring threaded connections | |
| Ge et al. | Research on oil-well tubing damage monitoring of intelligent well based on FSM technology | |
| CN105781529A (en) | Depth measuring system and method for coiled tubing and coiled tubing cables | |
| JP4317666B2 (en) | Parts marking method applicable to industrial parts | |
| CN114856550B (en) | Device and method for accurately positioning petroleum casing pipe based on geomagnetic anomaly marker | |
| Yuan et al. | In-service detection of longitudinal cracks on drill pipes using induced circumferential current | |
| Li et al. | A novel relational database watermarking algorithm based on clustering and polar angle expansion | |
| CN216283098U (en) | Be used for 456 series latent oily motor stator towards piece quick check frock | |
| CN104457801A (en) | Motor encoder suitable for downhole operation | |
| RU2572402C1 (en) | Method and device for determination of strength properties of oil well pump rods | |
| JP5318354B2 (en) | Method and apparatus for quenching quality control of shaft | |
| CN117892755A (en) | Method for identifying drill rod based on magnetoelectric induction | |
| Yuan et al. | The detection of axial cracks in pipe string using a feed-through ACFM probe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |