CN206917647U - Oil pipe hoop section detection means - Google Patents
Oil pipe hoop section detection means Download PDFInfo
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- CN206917647U CN206917647U CN201720376149.9U CN201720376149U CN206917647U CN 206917647 U CN206917647 U CN 206917647U CN 201720376149 U CN201720376149 U CN 201720376149U CN 206917647 U CN206917647 U CN 206917647U
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- oil pipe
- detection means
- sensor
- righting
- hoop section
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Abstract
The utility model discloses a kind of oil pipe hoop section detection means, including：Measurement cylinder with vertically communicated internal cavity, vertically communicated internal cavity measure and multiple access holes being connected with vertically communicated internal cavity are circumferentially evenly arranged with the barrel of cylinder respectively in measurement cylinder top and bottom formed with upper shed and under shed；Measurement inner barrel is circumferentially evenly arranged with multiple detection parts, multiple detection parts are corresponding with multiple access holes respectively, detection part includes along measurement cylinder radial direction and bent from the crossed strip, sensor and elastic arm being sequentially arranged inside outside, sensor outlet flanges are installed at access hole, the outer end of crossed strip is fixed on sensor outlet flanges, the inner is fixed on a sensor, and the inner of sensor is fixed on elastic arm bow.By the above-mentioned means, the utility model efficiently solves the test problems that Operating Pressure removes pipe collar section, securely and reliably, environmental suitability is strong, automatic detection, and precision is high.
Description
Technical field
Technical field of petroleum extraction is the utility model is related to, more particularly to a kind of oil pipe hoop section detection means.
Background technology
Kill-job is often wanted in traditional drilling well, workover process or open flow is depressured operation, and kill-job can cause payzone pollution or even block,
Decline oil well output, Operating Pressure well workover function preferably meets this requirement.
In order to prevent blowout, annular preventer is the critical component for isolating HTHP in well in Operating Pressure.Lifting or under
During entering tubing string, the glue core of annular preventer is in closure state, when have pipe collar by when, in order to avoid damage glue core,
The glue core of annular preventer will open, when the glue core opening of one of annular preventer, the glue of another annular preventer
Core will be closed, and the opening and closing of two glue cores are controlled by program.During lifting or running string, always there is one
Individual glue core is in closure state, it is achieved thereby that Operating Pressure.Want to realize the control opened annular preventer glue core, closed
System, it is desirable to detected to pipe collar, therefore the hoop of oil pipe saves the research of real-time detection technique for realizing Operating Pressure very
It is crucial.
Or our well workover Operating Pressure hoops detect the cam switch mechanism using contact at present, to detect coming for hoop
Arrive, or using contactless differential transformer detection technique and excitation coil excitation mode by hoop by when magnetic field
Mutationization detects the arrival of hoop, is feasible from principle, but have the problem of many in use：1st, oil pipe is rising
Rocking during lower is off-center, directly results in the inaccuracy of detection；Greasy dirt and mud when the 2, playing down tube on tube wall
It bar can have a strong impact on the detection of hoop；3rd, the sludge on oil pipe can also influence the accurate of hoop section detection with ferromagnetic chip
Property.The appearance of three of the above problem, the detection of wellheadpressure operation hoop section is set to become the problem of " world " level, to shaft mouth operation
Automation brings the problem of very big.With the lifting of petroleum equipment automaticity, the reduction of labor intensity of operating staff can
Lean on, the exploitation of safety, sensitive shaft mouth operation hoop section detection device is a urgent requirement.
Utility model content
The utility model is simple and reasonable mainly solving the technical problems that provide a kind of oil pipe hoop section detection means,
Effectively solve the test problems that Operating Pressure removes pipe collar section, securely and reliably, environmental suitability is strong, automatic detection, precision
It is high.
In order to solve the above technical problems, the technical scheme that the utility model uses is：A kind of oil pipe hoop section inspection is provided
Device is surveyed, including：
Measurement cylinder with vertically communicated internal cavity, the vertically communicated internal cavity is respectively in measurement cylinder upper end with
End is circumferentially evenly arranged with multiple with vertically communicated internal cavity on the barrel of the measurement cylinder formed with upper shed and under shed
The access hole being connected；
The measurement inner barrel is circumferentially evenly arranged with multiple detection parts, multiple detection parts respectively with multiple maintenance
It is mouthful corresponding, the detection part include along measurement cylinder radially and from be sequentially arranged inside outside crossed strip, sensor and
Elastic arm bends, and is provided with sensor outlet flanges at the access hole, the outer end of the crossed strip is fixed on sensor and goes out collimation method
Lan Shang, the inner is fixed on a sensor, and the inner of the sensor is fixed on elastic arm bow, and fuel feeding is formed between multiple elastic arm bows
Pipe through region.
In one preferred embodiment of the utility model, the access hole has three, and the detection part has three.
In one preferred embodiment of the utility model, elastic arm bow is vertically arranged and into measurement cylinder for one
The flexure strip that axis direction arches, the inner of the sensor are fixed on the arching on position of flexure strip.
In one preferred embodiment of the utility model, at the upper shed and lower opening is each provided with a fixed branch
Frame, the upper and lower ends of the elastic arm bow are separately fixed on two supports.
In one preferred embodiment of the utility model, in multiple elastic arm bows, also set between the adjacent elastic arm bow of each two
A righting block is equipped with, the top and bottom of the righting block are separately fixed on two supports.
In one preferred embodiment of the utility model, adpting flange, the under shed are provided with the upper shed
Place is provided with lower adpting flange.
In one preferred embodiment of the utility model, the sensor is hall sensor.
In one preferred embodiment of the utility model, the hoop section detection means is also connected on measurement cylinder including one
The righting cylinder in portion；
The righting cylinder has an inner chamber that fuel feed pump passes through, at the upper opening of the righting cylinder and at lower openings
A wear-resisting plastic of righting is respectively arranged with, the wear-resisting plastic of righting includes being used for the connection block portion mutually fixed with righting cylinder
With righting loudspeaker oral area.
In one preferred embodiment of the utility model, the bore of the righting loudspeaker oral area tapers into outward from interior,
The small-bore place in outer end has arc structure.
In one preferred embodiment of the utility model, the wear-resisting plastic of righting is made of nylon plastic(s).
The beneficial effects of the utility model are：The utility model oil pipe hoop section detection means, it is simple and reasonable, effectively
Solve the test problems that Operating Pressure removes pipe collar section, securely and reliably, environmental suitability is strong, automatic detection, and precision is high.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings
Other accompanying drawings are obtained, wherein：
Fig. 1 is the structural representation of the preferred embodiment of the utility model oil pipe hoop section detection means one；
Fig. 2 is the structural representation that cylinder is measured in Fig. 1；
Fig. 3 is Fig. 2 A-A to sectional view；
Fig. 4 is the structural representation of righting cylinder in Fig. 1.
The mark of each part is as follows in accompanying drawing：1st, vertically communicated internal cavity, 2, measurement cylinder, 3, upper shed, 4, under shed,
5th, access hole, 6, crossed strip, 7, sensor, 8, elastic arm bow, 9, sensor outlet flanges, 10, fixed support, 11, righting gear
Block, 12, upper adpting flange, 13, lower adpting flange, 14, righting cylinder, 15, the wear-resisting plastic of righting, 16, connection block portion, 17, help
Positive loudspeaker oral area, 18, arc structure.
Embodiment
The technical scheme in the embodiment of the utility model will be clearly and completely described below, it is clear that described
Embodiment is only part of the embodiment of the present utility model, rather than whole embodiments.Based on the implementation in the utility model
Example, all other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, is belonged to
The scope of the utility model protection.
Fig. 1 to Fig. 4 is referred to, the utility model embodiment includes：
A kind of oil pipe hoop section detection means, including：
Measurement cylinder 2 with vertically communicated internal cavity 1, the vertically communicated internal cavity respectively measurement cylinder upper end and
Lower end formed with upper shed 3 and under shed 4, be circumferentially evenly arranged with the barrel of the measurement cylinder three with it is vertically communicated interior
The access hole 5 that cavity is connected.
The measurement inner barrel is circumferentially evenly arranged with three detection parts, and three detection parts overhaul with three respectively
Mouthful corresponding, the detection part is included along measurement cylinder radially and from crossed strip 6, the sensor 7 being sequentially arranged inside outside
With elastic arm bow 8, it is preferred that the sensor uses hall sensor.
Sensor outlet flanges 9 are installed, the outer end of the crossed strip is fixed on sensor outlet at the access hole
On flange, the inner is fixed on a sensor, and the inner of the sensor is fixed on elastic arm bow, is formed and supplied between multiple elastic arm bows
The region that oil pipe passes through.
When being saved without hoop, elastic arm bends in the raw, and crossed strip and elastic arm bow are in inelastic " 0 " state,
Now sensor can't detect signal, and when hoop section comes then, the diameter due to binding round section is more than the diameter of oil pipe, crossed strip and bullet
Arm bow is by hoop section compression, and for sensor with regard to that can detect the signal for binding round section and arriving, the sensor is connected with signal acquisition in turn
Module, signal amplification module, filtering and signal processing module, signal conversion module, compare computing module, output signal and alarm
Module, the voltage signal in three directions filtering, compare, converted, be converted into distance signal, distance signal carries out comprehensive by amplification
It is total to calculate, by comparing, judge the arrival of hoop section, and output hoop section arrival signal, and send alarm in real time, now drive blowout prevention
Device opens and closes upper lower valve accordingly, very easily realizes shaft mouth operation with pressure.
The access hole 5 acts on：The removing of the sludge in cylinder etc. can be carried out, to ensure the reliable of measurement apparatus
Property.
The effect of the crossed strip is can to prevent tubing string from rocking damage sensor during removing, if rocked,
Elastic arm bow is bumped against, horizontal spring can also be retracted access hole, and so protecting sensor not swung by tubing string is influenceed.
Preferably, the elastic arm bow is a flexure strip that is vertically arranged and being arched to measurement cylinder axis direction,
The inner of the sensor is fixed on the arching on position of flexure strip.
At the upper shed and lower opening is each provided with a fixed support 10, the upper and lower ends difference of the elastic arm bow
It is fixed on two supports.
In three elastic arm bows, a righting block 11, the righting gear are additionally provided between the adjacent elastic arm bow of each two
The top and bottom of block are separately fixed on two supports, and the effect of the righting block 11 is to prevent that it is adjacent that tubing string from snapping into
In gap between two elastic arm bows.
Adpting flange 12 is provided with the upper shed, the lower opening is provided with lower adpting flange 13.
The hoop section detection means also includes a righting cylinder 14 for being connected to measurement cylinder top；
The righting cylinder has an inner chamber that fuel feed pump passes through, at the upper opening of the righting cylinder and at lower openings
The wear-resisting plastic 15 of a righting is respectively arranged with, the wear-resisting plastic of righting includes being used for the contiguous block mutually fixed with righting cylinder
Portion 16 and righting loudspeaker oral area 17.
The effect of righting cylinder is in the range of when playing lowering-in operation, oil pipe is limited to slightly larger than oil pipe hoop section, to prevent
The swing of oil pipe brings the change of detecting distance, meets the requirement of measurement accuracy.
Preferably, the righting cylinder is segmented into two halves, in use, can be connected with, recur lowering-in operation when enter
Row installation, righting cylinder, it is necessary to when removing downhole tool after the completion of a lowering-in operation, can be removed, facilitate carrying for downhole tool
Rise.
Preferably, the bore of the righting loudspeaker oral area tapers into outward from interior, and the small-bore place in outer end has circular arc knot
Structure 18, mitigate the abrasion of the wear-resisting plastic of righting and oil pipe.
Preferably, the wear-resisting plastic of the righting is made of nylon plastic(s), and coefficient of friction is low, reduces abrasion, and wear-resistant
Property it is good, service life length.
Compared with hoop section detection technique of the prior art, the utility model is simple in construction, and avoid contact can not
By property, the weakness of complexity and the interference rejection ability difference of electromagnetic transformers, while avoid mechanical displacement hoop section detection alarm dress
Put it is easily stuck, it is baroque the problem of, solved tubing string during down tube rocks vibration problems, realizes measurement
Accuracy and reliability, feasible signal acquisition mode is provided for shaft mouth operation intellectuality.Consider simultaneously and remove underground work
The requirement of line up size during tool, righting cylinder is done it is assembled into two, so as to complete comprehensive well head hoop section detection and
The requirement specific demand of downhole tool applications.The utility model, which effectively solves Operating Pressure and removes the detection of pipe collar section, asks
Topic, securely and reliably, environmental suitability is strong, automatic detection, and precision is high.
A kind of structure of the utility model offer is reliable, and practical, centering is accurate, prevents tubing string from rocking, and accuracy reaches
99.99%（1/1000 fault rate）Wellheadpressure above plays down tube oil pipe hoop section on-line measuring device, is equipped for shaft mouth operation
Automation, intellectuality provides reliable ensure.
The utility model when in use, according to on-site actual situations, both may be mounted at and be used for smart well above preventer
The hoop section detection means of mouth Work robot equipment uses, and can be arranged on pressure-bearing operation between wellhead equipment and preventer again, use
Carry out Operating Pressure detection hoop section so as to the valve of automatic shutter preventer.
Embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, it is every
The equivalent structure or equivalent flow conversion made using the utility model description, or directly or indirectly it is used in other phases
The technical field of pass, similarly it is included in scope of patent protection of the present utility model.
Claims (10)
- A kind of 1. oil pipe hoop section detection means, it is characterised in that including：Measurement cylinder with vertically communicated internal cavity, the vertically communicated internal cavity is respectively in measurement cylinder top and bottom shape Into having a upper shed and under shed, circumferentially it is evenly arranged with and multiple is connected with vertically communicated internal cavity on the barrel of the measurement cylinder Logical access hole；The measurement inner barrel is circumferentially evenly arranged with multiple detection parts, multiple detection parts respectively with multiple access hole phases Corresponding, the detection part is included along measurement cylinder radially and from the crossed strip, sensor and elastic arm being sequentially arranged inside outside To bend, sensor outlet flanges are installed at the access hole, the outer end of the crossed strip is fixed on sensor outlet flanges, The inner is fixed on a sensor, and the inner of the sensor is fixed on elastic arm bow, and forming fuel feed pump between multiple elastic arm bows wears The region crossed.
- 2. oil pipe hoop section detection means according to claim 1, it is characterised in that the access hole has three, the inspection Surveying part has three.
- 3. oil pipe hoop section detection means according to claim 1, it is characterised in that the elastic arm bow is vertically arranged for one And to the flexure strip that arches of measurement cylinder axis direction, the inner of the sensor is fixed on the position of arching of flexure strip On.
- 4. oil pipe hoop section detection means according to claim 1, it is characterised in that at the upper shed and lower opening is each A fixed support is provided with, the upper and lower ends of the elastic arm bow are separately fixed on two supports.
- 5. oil pipe hoop section detection means according to claim 4, it is characterised in that in multiple elastic arm bows, each two is adjacent Elastic arm bow between be additionally provided with a righting block, the top and bottom of the righting block are separately fixed at two supports On.
- 6. oil pipe hoop section detection means according to claim 1, it is characterised in that be provided with connection at the upper shed Flange, the lower opening are provided with lower adpting flange.
- 7. oil pipe hoop section detection means according to claim 1, it is characterised in that the sensor senses for Hall-type Device.
- 8. the oil pipe hoop section detection means according to any one of claim 1 ~ 7, it is characterised in that the hoop section detection means is also Including a righting cylinder for being connected to measurement cylinder top；The righting cylinder has an inner chamber that fuel feed pump passes through, and distinguishes at the upper opening of the righting cylinder and at lower openings A wear-resisting plastic of righting is provided with, the connection block portion and help that the wear-resisting plastic of righting includes mutually fixing with righting cylinder Positive loudspeaker oral area.
- 9. oil pipe hoop section detection means according to claim 8, it is characterised in that the bore of the righting loudspeaker oral area from Inside taper into outward, the small-bore place in outer end has arc structure.
- 10. oil pipe hoop section detection means according to claim 8, it is characterised in that the wear-resisting plastic of righting uses Buddhist nun Imperial plastics are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720376149.9U CN206917647U (en) | 2017-04-12 | 2017-04-12 | Oil pipe hoop section detection means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720376149.9U CN206917647U (en) | 2017-04-12 | 2017-04-12 | Oil pipe hoop section detection means |
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| Publication Number | Publication Date |
|---|---|
| CN206917647U true CN206917647U (en) | 2018-01-23 |
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ID=61305541
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720376149.9U Active CN206917647U (en) | 2017-04-12 | 2017-04-12 | Oil pipe hoop section detection means |
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| Country | Link |
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| CN (1) | CN206917647U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106930748A (en) * | 2017-04-12 | 2017-07-07 | 江苏赛瑞机器人装备有限公司 | Oil pipe hoop section detection means |
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2017
- 2017-04-12 CN CN201720376149.9U patent/CN206917647U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106930748A (en) * | 2017-04-12 | 2017-07-07 | 江苏赛瑞机器人装备有限公司 | Oil pipe hoop section detection means |
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220217 Address after: 100000 22 Chaoyangmen North Street, Chaoyang District, Beijing. Patentee after: CHINA PETROLEUM & CHEMICAL Corp. Patentee after: JIANGSU SAIRUI ROBOT EQUIPMENT Co.,Ltd. Patentee after: CHINA PETROCHEMICAL & CHEMICAL CORPORATION, JIANGSU OILFIELD BRANCH Address before: 213000 No. 178 ERON South Road, bell tower Economic Development Zone, Changzhou, Jiangsu, 611 Patentee before: JIANGSU SAIRUI ROBOT EQUIPMENT Co.,Ltd. |