CN109209342A - A kind of oil pumping polish rod face crack real-time detection apparatus - Google Patents
A kind of oil pumping polish rod face crack real-time detection apparatus Download PDFInfo
- Publication number
- CN109209342A CN109209342A CN201811218463.XA CN201811218463A CN109209342A CN 109209342 A CN109209342 A CN 109209342A CN 201811218463 A CN201811218463 A CN 201811218463A CN 109209342 A CN109209342 A CN 109209342A
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- Prior art keywords
- oil pumping
- polish rod
- pumping polish
- module
- real
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/008—Monitoring of down-hole pump systems, e.g. for the detection of "pumped-off" conditions
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/01—Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
Abstract
One of the main reason for fatigue fracture is oil pumping polish rod failure, the present invention provides a kind of oil pumping polish rod face crack real-time detection apparatus, including power source, clip, bracket, cleaning module, spray module, photographing module, critical crack topographic data library and alarm module, occur the method for red crackle in white background by the cooperation of bleeding agent and developer, the comprehensive real-time monitoring to oil pumping polish rod axial and circumferential face crack may be implemented.The present invention is suitable for common steel polished rod, is also applied for alloy coat surfacing oil pumping polish rod.By fatigue crack of convenient accurate real-time detection oil pumping polish rod during military service and early warning its fatigue fracture in time, can effective guarantee oil well efficiently operate normally, the working strength and difficulty of well site of oil field worker is greatly reduced.
Description
Technical field
The present invention relates to oil equipments and tool, are more particularly to a kind of oil pumping polish rod face crack real-time detection apparatus.
Background technique
Oil pumping polish rod is one of the component of oil field artificial lift oil recovery most critical, and the quality of performance is directly related to oil well
It can normally produce.Either steel oil pumping polish rod or ni base alloy coating surfacing polished rod, fatigue fracture are all its failures
One of the main reasons.Once the fatigue fracture of oil pumping polish rod occurs, oil well will be made to stop production and high workover treatment expense
With.Oil field mainly predicts oil pumping polish rod by the way that whether indicator card of the detection oil pumping polish rod during military service exception occurs at present
It can work normally, but this method is not direct enough, it is also inaccurate, but in addition to this there are no effective methods to monitor pumping
The fatigue fracture of glossy bar.For the fracture of any oil pumping polish rod, be all since there is fatigue crack in surface, once
After macroscopic cracking extension to a certain extent, it will occur when oil pumping polish rod cross-sectional area interconnected is difficult to bear external load
Brittle fracture, it is seen that the detection of fatigue crack is the key point of oil pumping polish rod fatigue fracture detection, but is not directed at present
The detection device and method of oil pumping polish rod fatigue crack.
Therefore, how fatigue crack of convenient accurate real-time detection oil pumping polish rod during military service and in time early warning its
Fatigue fracture will effectively solve polished rod breakage problem present in oil field artificial lift oil recovery, it is ensured that oil well efficiently operates normally.
Summary of the invention
Technical problem to be solved by the present invention lies in the deficiencies for overcoming the above-mentioned prior art, and providing one kind can real-time monitoring
There is the device of situation in oil pumping polish rod face crack, provides early warning for oil pumping polish rod fatigue fracture.
According to a kind of oil pumping polish rod face crack real-time detection apparatus provided by the invention, the main technical schemes used
Are as follows: including power source, clip, bracket, cleaning module, spray module, photographing module, critical crack topographic data library and alarm mould
Block, the bracket are double-layer structure, and superstructure and understructure have annulus, and the oil pumping polish rod is in the bracket
Between, the diameter of the annulus is all larger than the outer diameter of polished rod, to ensure that the oil pumping polish rod will not touch institute during military service
The inner wall of bracket is stated, the diameter of the understructure annulus is greater than the annulus of the superstructure, and the clip is located at the branch
The top of frame, the clip can be fixed to each other with the clamp of the polished rod or the polished rod, and the cleaning module is mounted on described
On superstructure annulus, the spray module and photographing module are installed on the understructure annulus of the bracket, described clear
Clean module can the superstructure annulus of the bracket periphery along entire perimeter line continuous moving, it is ensured that the oil pumping light
The whole circumference surface of bar can be cleaned, and the spray module and photographing module can be in the understructure of bracket circles
The periphery of ring is along entire perimeter line continuous moving, it is ensured that the whole circumference surface of the oil pumping polish rod can be sprayed-on place
Reason and observation.
The power source is solar battery or rechargeable battery, or is connected by electric wire with ground power supply, can be according to well
The actual conditions of field select one or several kinds of power source modes.
The clip is mutually fixed using the form of screw bolt and nut with the clamp of the polished rod.
The cleaning module includes clean solution case, spray head, cleaning cloth and cleaning sponge, the clean solution include water,
Organic solvent and dehydrated alcohol, the spray head, the cleaning cloth and the sponge are connected with telescopic rod, and the telescopic rod can
It is moved axially in the polished rod, so as to realize that cleaning module can be completed to oil pumping in the axial and circumferential of oil pumping polish rod
The covering and processing of polished rod.The clean solution includes water, organic solvent and dehydrated alcohol, can sufficiently cope with oil pumping polish rod table
The major part situation such as the dust and greasy dirt in face, realizes the thorough cleaning on surface.Exist while the cleaning cloth and cleaning sponge
Thoroughly removing for surface solvent and moisture may be implemented.
The spray module includes spraying solvent tank and nozzle, and the end of the nozzle has micropore, so that nozzle sprays
The liquid droplet shape form that can centainly spray speed occur, the nozzle can turn within the scope of the polished rod surface axial direction 180 degree
Dynamic, subregion is equipped with bleeding agent and developer in the spraying solvent tank, and the nozzle includes bleeding agent nozzle and developer spray
Mouth, the nozzle are equipped with protective cover, it is ensured that the liquid that nozzle sprays concentrates on oil pumping polish rod surface, reduces it and is sprayed onto air
Probability, the protective cover do not contact with the polished rod surface, the distance between the protection shroud rim and the polished rod surface
Not less than 10 millimeters.
The photographing module includes camera, storage card and wireless signal transmission means, and the camera can be in the light
The observation all standing, it can be achieved that the axial and circumferential to oil pumping polish rod is rotated within the scope of the axial direction 180 degree of bar surface.
There are the slot wedge continuously penetrated through, the ditch on the outside of the superstructure and the circumferential direction of understructure annulus
Groove edge is connect with the fixation device of the cleaning module, spray module and photographing module, this can be designed so that the cleaning
Module, spray module and photographing module are moved freely at 360 degree of oil pumping polish rod circumferencial direction.
The alarm module can be sound or luminous components.
Critical crack topographic data library is typical polished rod fatigue crack pictures, typical case's polished rod fatigue crack figure
Piece collection is stored in the storage card of the photographing module.It critical crack topographic data library can be different by different oil fields
Well site is established according to well site own characteristic and history oil pumping polish rod fracture, can also be disconnected using the oil pumping polish rod fatigue in different oil fields
Mouthful data are established, and take into account unique and comprehensive, better meet the actual conditions in oil field.
The application method of the oil pumping polish rod face crack real-time detection apparatus, the specific steps are as follows:
(1) polished rod or polished rod are installed in using the clip of oil pumping polish rod face crack real-time detection apparatus of the invention
On clamp；
(2) by oil pumping polish rod face crack real-time detection apparatus of the invention the cleaning module, the spray module and
The photographing module is installed in the corresponding position of the oil pumping polish rod face crack real-time detection apparatus bracket；
(3) after oil pumping polish rod face crack real-time detection apparatus of the invention starting, the pumping is carried out using the cleaning module
The cleaning on glossy bar observation surface, successively sprays water, organic solvent and dehydrated alcohol first with the spray head of cleaning module
Surface is observed in the oil pumping polish rod, the observation of the oil pumping polish rod is then successively cleaned using the cleaning cloth and the sponge
Surface, it is ensured that the cleaning on oil pumping polish rod observation surface passes through between the water, organic solvent and dehydrated alcohol shell and ground
Pipeline establishes supply, can also periodically carry out artificial supplementation, the cleaning cloth and the sponge can be according to actual use situations
Periodically manually replaced；
(4) it is shown using the crackle that the spray module carries out oil pumping polish rod observation surface, it will first with the nozzle
The bleeding agent is sprayed on oil pumping polish rod observation surface, and time of repose is no less than 10 seconds, it is ensured that bleeding agent penetrates into can
In the crackle that can occur, then using in cleaning module described in previous step the cleaning cloth and the sponge progress oil pumping
Polished rod observes the cleaning of bleeding agent described in surface, and the developer is finally sprayed on oil pumping polish rod observation table using the nozzle
Face, crackle will be come out on the white developer surface that the oil pumping polish rod observes surface with red display；
(5) it is recorded in real time using the cracks that the camera module shows oil pumping polish rod observation surface,
It is stored in the storage card, and is supervised crack image information real-time transmission to ground using the wireless signal transmission means
Control, while field technicians can realize the control to the camera by wireless signal transmission means, realize it described
Polished rod is axial and the movement of circumferential direction, can be with for specific well site to monitor the oil pumping polish rod surface of different location in real time
Emphasis monitoring is carried out in its fatigue fracture occurrence of location；
(6) crack morphology that will be observed that is compared with critical crack topographic data library progress automatic picture, by setting in advance
Fixed crack length and quantitative criteria provides timely early warning for the fatigue fracture of oil pumping polish rod, after reaching preset critical value
It is alarmed by the alarm module that carries of the oil pumping polish rod face crack real-time detection apparatus, is opened according to actual needs
Open oil pumping polish rod face crack real-time detection apparatus of the invention, so that it may realize the oil pumping polish rod key position in different clothes
There is the real time monitoring of situation in the crackle of labour period, to remind well operations personnel to pay close attention to and handle in time.
According to oil pumping polish rod face crack real-time detection apparatus provided by the invention and its application method, have following excellent
Point:
1, the present invention in oil pumping polish rod face crack real-time detection apparatus for the first time from oil pumping polish rod face crack angle start with into
Row monitoring, significantly improves the monitoring efficiency of oil pumping polish rod fatigue fracture.It is monitored with traditional oil pumping polish rod indicator card method
The existing method whether worked normally is compared, and monitoring of the invention is more direct and accurate, by from the complete of polished rod fatigue fracture
The germinating of fatigue crack and extension are monitored by process analysis procedure analysis for the first time using fatigue crack as research object as emphasis, and
The pattern of crackle and quantity are recorded in real time, the monitoring efficiency of oil pumping polish rod fatigue fracture can be significantly improved.
2, the oil pumping polish rod face crack real-time detection apparatus in the present invention is realized for the first time to oil pumping polish rod face crack
The real-time observation occurred and real time alarm function.The special construction design of face crack real-time detection apparatus in the present invention can be with
It realizes the comprehensive monitoring to oil pumping polish rod axial and circumferential, occurs in white background by the cooperation of bleeding agent and developer
The method of red crackle can clearly observe the length of the time of occurrence of oil pumping polish rod face crack, position and crackle in real time
The information abundant such as degree, quantity and depth, thus by carrying out automatic picture comparison with critical crack topographic data library, and
When provide oil pumping polish rod fatigue fracture early warning.
3. the oil pumping polish rod face crack real-time detection apparatus in the present invention significantly improves oil pumping polish rod fatigue fracture
Pre-alerting ability significantly reduces the working strength and difficulty of well site of oil field worker.The post-rift workover treatment process of oil pumping polish rod
In, well site of oil field worker needs to complete a large amount of arduous work, due to the time limit of the sudden of fatigue fracture and production of recovering the oil
System, workover treatment generally require to be completed in a short time, and cause working strength larger, and oil pumping polish rod face crack of the invention
Real-time detection apparatus significantly improves the pre-alerting ability of oil pumping polish rod fatigue fracture, provides for the oil pumping polish rod replacement of well site of oil field
Direct and reliable foundation largely reduces and even avoids polished rod suddenly there is a phenomenon where being broken, to substantially drop
The low working strength and difficulty of well site of oil field worker.
Detailed description of the invention
Fig. 1 is overall structure top view of the invention.
Fig. 2 is overall structure side view of the invention.
Specific embodiment
Referring to Fig. 1 and Fig. 2, it according to a kind of 1 face crack real-time detection apparatus of oil pumping polish rod provided by the invention, uses
Main technical schemes are as follows: including power source, clip 2, bracket 3, cleaning module 4, spray module 5, photographing module 6, critical split
Line topographic data library and alarm module, the bracket 3 are double-layer structure, and superstructure and understructure have annulus, the pumping
Glossy bar 1 is among the bracket 3, and the diameter of the annulus is all larger than the outer diameter of polished rod, the understructure annulus 7 it is straight
Diameter is greater than the annulus 8 of the superstructure, and the clip 2 is located at the top of the bracket 3, and the clip 2 can be with the polished rod 1
Or the clamp 9 of the polished rod 1 is fixed to each other, the cleaning module 4 is mounted on the superstructure annulus 8, the spraying mould
Block 5 and photographing module 6 are installed on the understructure annulus 7 of the bracket, and the cleaning module 4 can be in the bracket 3
For the periphery of superstructure annulus 8 along entire perimeter line continuous moving, the spray module 5 and photographing module 6 can be in institutes
The periphery of the understructure annulus 7 of bracket 3 is stated along entire perimeter line continuous moving.The cleaning module, spray module and
Photographing module is respectively arranged on the superstructure annulus and understructure annulus of the bracket, it can be ensured that these three functions
Module is not interfere with each other in the process of running.
The power source is solar battery or rechargeable battery, or is connected by electric wire with ground power supply.
The clip 2 is mutually fixed using the form of screw bolt and nut with the clamp of the polished rod.
The cleaning module 4 include clean solution case, spray head, cleaning cloth and cleaning sponge, the clean solution include water,
Organic solvent and dehydrated alcohol, the spray head, the cleaning cloth and the sponge are connected with telescopic rod, and the telescopic rod can
It is moved axially in the polished rod.
The spray module 5 includes spraying solvent tank and nozzle, and the end of the nozzle has a micropore, and the nozzle can be
It is rotated within the scope of the polished rod surface axial direction 180 degree, subregion is equipped with bleeding agent and developer in the spraying solvent tank, described
Nozzle includes bleeding agent nozzle and developer nozzle, and the nozzle is equipped with protective cover, the protective cover and the polished rod surface
It does not contact, the distance between the protection shroud rim and the polished rod surface are not less than 10 millimeters.
The photographing module 6 includes camera, storage card and wireless signal transmission means, and the camera can be in the light
It is rotated within the scope of the axial direction 180 degree of bar surface.
There is the slot wedge continuously penetrated through on the outside of the circumferential direction of the superstructure annulus 8 and understructure annulus 7,
The slot wedge is connect with the fixation device of the cleaning module 4, spray module 5 and photographing module 6.
The alarm module can be sound or luminous components.
Critical crack topographic data library is typical polished rod fatigue crack pictures, typical case's polished rod fatigue crack figure
Piece collection is stored in the storage card of the photographing module.
The application method of the oil pumping polish rod face crack real-time detection apparatus, the specific steps are as follows:
(1) polished rod or light are installed in using the clip 2 of oil pumping polish rod face crack real-time detection apparatus of the invention
On bar clamp；
(2) by 4 pieces of the cleaning mould in oil pumping polish rod face crack real-time detection apparatus of the invention, the spray module 5
The corresponding position of the oil pumping polish rod face crack real-time detection apparatus bracket 3 is installed in the photographing module 6, described
Oil pumping polish rod upstroke, which starts rear down stroke, terminates the preceding real-time detection for completing crackle；
(3) after oil pumping polish rod face crack real-time detection apparatus of the invention starting, the pumping is carried out using the cleaning module 4
The cleaning on glossy bar observation surface, successively sprays water, organic solvent and dehydrated alcohol first with the spray head of cleaning module 4
Surface is observed in the oil pumping polish rod, the observation of the oil pumping polish rod is then successively cleaned using the cleaning cloth and the sponge
Surface, it is ensured that the cleaning on oil pumping polish rod observation surface；
(4) it is shown using the crackle that the spray module 5 carries out oil pumping polish rod observation surface, it will first with the nozzle
The bleeding agent is sprayed on oil pumping polish rod observation surface, and time of repose is no less than 10 seconds, it is ensured that bleeding agent penetrates into can
In the crackle that can occur, then using in cleaning module described in previous step the cleaning cloth and the sponge progress oil pumping
Polished rod observes the cleaning of bleeding agent described in surface, and the developer is finally sprayed on oil pumping polish rod observation table using the nozzle
Face, crackle will be come out on the white developer surface that the oil pumping polish rod observes surface with red display, the bleeding agent
With developer environmentally friendly machine can be used as far as possible according to cost budgeting using all kinds of organic products common in the market；
(5) it is recorded in real time using the cracks that the camera module 6 shows oil pumping polish rod observation surface,
It is stored in the storage card, and is supervised crack image information real-time transmission to ground using the wireless signal transmission means
Control, while field technicians can realize the control to the camera by wireless signal transmission means, realize it described
The axial movement with circumferential direction of polished rod, to monitor the oil pumping polish rod surface of different location in real time；
(6) crack morphology that will be observed that is compared with critical crack topographic data library progress automatic picture, by setting in advance
Fixed crack length and quantitative criteria provides timely early warning for the fatigue fracture of oil pumping polish rod, after reaching preset critical value
It is alarmed by the alarm module that carries of the oil pumping polish rod face crack real-time detection apparatus, is opened according to actual needs
Open oil pumping polish rod face crack real-time detection apparatus of the invention, so that it may realize the oil pumping polish rod key position in different clothes
There is the real time monitoring of situation in the crackle of labour period, to remind well operations personnel to pay close attention to and handle in time.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding these embodiments can be changed without departing from the principles and spirit of the present invention, the scope of the present invention by
The following claims and their equivalents limit.
Claims (10)
1. a kind of oil pumping polish rod face crack real-time detection apparatus, which is characterized in that including power source, clip, bracket, cleaning mould
Block, spray module, photographing module, critical crack topographic data library and alarm module, the bracket are double-layer structure, superstructure
There is annulus with understructure, the oil pumping polish rod is among the bracket, and the diameter of the annulus is all larger than the outer of polished rod
Diameter, the diameter of understructure annulus are greater than the diameter of superstructure annulus, and the clip is located at the top of the bracket, the card
Hoop can be fixed to each other with the clamp of the polished rod or the polished rod, and the cleaning module is mounted on the superstructure annulus,
The spray module and photographing module are installed on the understructure annulus of the bracket, and the cleaning module can be in the branch
For the periphery of the superstructure annulus of frame along entire perimeter line continuous moving, the spray module and photographing module can be in institutes
The periphery of the understructure annulus of bracket is stated along entire perimeter line continuous moving.
2. a kind of oil pumping polish rod face crack real-time detection apparatus as described in claim 1, which is characterized in that the power source
For solar battery or rechargeable battery, or it is connected with ground power supply by electric wire.
3. a kind of oil pumping polish rod face crack real-time detection apparatus as described in claim 1, which is characterized in that the clip is adopted
It is fixed with the form of screw bolt and nut.
4. a kind of oil pumping polish rod face crack real-time detection apparatus as described in claim 1, which is characterized in that the cleaning mould
Block includes clean solution case, spray head, cleaning cloth and cleaning sponge, and the clean solution includes water, organic solvent and dehydrated alcohol,
The spray head, the cleaning cloth and the sponge are connected with telescopic rod, and the telescopic rod can be moved axially in the polished rod.
5. a kind of oil pumping polish rod face crack real-time detection apparatus as described in claim 1, which is characterized in that the spraying mould
Block includes spraying solvent tank and nozzle, and the end of the nozzle has micropore, and the nozzle can be on the polished rod surface axial 180
Rotation in range is spent, subregion is equipped with bleeding agent and developer in the spraying solvent tank, and the nozzle includes bleeding agent nozzle
And developer nozzle, the nozzle are equipped with protective cover, the protective cover is not contacted with the polished rod surface, the protection flaring
The distance between edge and the polished rod surface are not less than 10 millimeters.
6. a kind of oil pumping polish rod face crack real-time detection apparatus as described in claim 1, which is characterized in that the camera shooting mould
Block includes camera, storage card and wireless signal transmission means, and the camera can be in the polished rod surface axial direction 180 degree range
Interior rotation.
7. a kind of oil pumping polish rod face crack real-time detection apparatus as described in claim 1, which is characterized in that the upper layer knot
Have the slot wedge continuously penetrated through on the outside of the circumferential direction of structure annulus and understructure annulus, the slot wedge respectively with institute
The fixation device for stating cleaning module, spray module and photographing module connects.
8. a kind of oil pumping polish rod face crack real-time detection apparatus as described in claim 1, which is characterized in that the alarm mould
Block can be sound or luminous components.
9. a kind of oil pumping polish rod face crack real-time detection apparatus as claimed in claim 6, which is characterized in that described critical to split
Line topographic data library is typical polished rod fatigue crack pictures, and typical case's polished rod fatigue crack pictures are stored in the camera shooting
In the storage card of module.
10. a kind of a kind of user of oil pumping polish rod face crack real-time detection apparatus described in any one of claim 1-9
Method, the specific steps are as follows:
(1) polished rod or polished rod are installed in using the clip of oil pumping polish rod face crack real-time detection apparatus of the invention
On clamp；
(2) by oil pumping polish rod face crack real-time detection apparatus of the invention the cleaning module, the spray module and
The photographing module is installed in the corresponding position of the oil pumping polish rod face crack real-time detection apparatus bracket；
(3) after oil pumping polish rod face crack real-time detection apparatus of the invention starting, the pumping is carried out using the cleaning module
The cleaning on glossy bar observation surface, successively sprays water, organic solvent and dehydrated alcohol first with the spray head of cleaning module
Surface is observed in the oil pumping polish rod, the observation of the oil pumping polish rod is then successively cleaned using the cleaning cloth and the sponge
Surface, it is ensured that the cleaning on oil pumping polish rod observation surface；
(4) it is shown using the crackle that the spray module carries out oil pumping polish rod observation surface, it will first with the nozzle
The bleeding agent is sprayed on oil pumping polish rod observation surface, and time of repose is no less than 10 seconds, it is ensured that bleeding agent penetrates into can
In the crackle that can occur, then using in cleaning module described in previous step the cleaning cloth and the sponge progress oil pumping
Polished rod observes the cleaning of bleeding agent described in surface, and the developer is finally sprayed on oil pumping polish rod observation table using the nozzle
Face, crackle will be come out on the white developer surface that the oil pumping polish rod observes surface with red display；
(5) it is recorded in real time using the cracks that the camera module shows oil pumping polish rod observation surface,
It is stored in the storage card, and is supervised crack image information real-time transmission to ground using the wireless signal transmission means
Control, while field technicians can realize the control to the camera by wireless signal transmission means, realize it described
The axial movement with circumferential direction of polished rod, to monitor the oil pumping polish rod surface of different location in real time；
(6) crack morphology that will be observed that is compared with critical crack topographic data library progress automatic picture, by setting in advance
Fixed crack length and quantitative criteria provides timely early warning for the fatigue fracture of oil pumping polish rod, after reaching preset critical value
It is alarmed by the alarm module that carries of the oil pumping polish rod face crack real-time detection apparatus, is opened according to actual needs
Open oil pumping polish rod face crack real-time detection apparatus of the invention, so that it may realize the oil pumping polish rod key position in different clothes
There is the real time monitoring of situation in the crackle of labour period, to remind well operations personnel to pay close attention to and handle in time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811218463.XA CN109209342B (en) | 2018-10-19 | 2018-10-19 | Real-time detection device for surface cracks of polished pumping rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811218463.XA CN109209342B (en) | 2018-10-19 | 2018-10-19 | Real-time detection device for surface cracks of polished pumping rod |
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| CN109209342A true CN109209342A (en) | 2019-01-15 |
| CN109209342B CN109209342B (en) | 2022-02-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112610200A (en) * | 2020-12-10 | 2021-04-06 | 中国科学院武汉岩土力学研究所 | Rock mass structure gyration drilling rod of making a video recording |
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| CN105738226A (en) * | 2014-12-10 | 2016-07-06 | 中国飞机强度研究所 | Method for monitoring crack initiation and extensionon surface of metal |
| CN205936448U (en) * | 2016-08-04 | 2017-02-08 | 中国石油天然气股份有限公司 | Pumpingh well polished rod checkpost |
| CN107246244A (en) * | 2017-07-22 | 2017-10-13 | 北京工商大学 | It is a kind of can early warning fracture occur alloy coating pumping rod/polish rod and its processing technology |
| CN108375515A (en) * | 2018-01-25 | 2018-08-07 | 北京工业大学 | A kind of experimental method obtaining the germinating of aluminium alloy panels friction stir welding fatigue crackle and extension pattern |
| CN108194038A (en) * | 2018-02-27 | 2018-06-22 | 北京工商大学 | It is exclusively used in the optical-rod clamp of surfacing alloy coating pumping rod/polish rod |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112610200A (en) * | 2020-12-10 | 2021-04-06 | 中国科学院武汉岩土力学研究所 | Rock mass structure gyration drilling rod of making a video recording |
| CN112610200B (en) * | 2020-12-10 | 2022-04-01 | 中国科学院武汉岩土力学研究所 | Rock mass structure gyration drilling rod of making a video recording |
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