CN204677127U - A kind of downhole electromagnetic regulates damping type elasticity erection device - Google Patents
A kind of downhole electromagnetic regulates damping type elasticity erection device Download PDFInfo
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- CN204677127U CN204677127U CN201520257053.1U CN201520257053U CN204677127U CN 204677127 U CN204677127 U CN 204677127U CN 201520257053 U CN201520257053 U CN 201520257053U CN 204677127 U CN204677127 U CN 204677127U
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- sliding sleeve
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- erection device
- hole
- righting
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Abstract
The utility model relates to a kind of downhole electromagnetic and regulates damping type elasticity erection device, and its feature mainly comprises: support and connection mechanism, electromagnetic control system, shock absorbing resilient righting mechanism.The utility model can connect the down-hole draw-gear or logger that match, adopts four groups of angles to be that the righting arm unit of 90 ° realizes centralizing function; And by the elastic telescopic acting in conjunction of electromagnetic control system and spiral damping spring to adapt to the change of down-hole caliber, wherein electromagnetic control system can carry out continuous print Automatic adjusument according to the size of the vibration of damping spring and elastic impact power, erection device is avoided to rely on the rigid telescopic of spiral damping spring to realize damping completely, thus improve application life and the stability of erection device, ensure righting effect; The fatigue failure etc. of erection device is avoided to affect the normal operation of logger in down-hole.
Description
Technical field
The utility model relates to Horizontal Well lower traction equipment or logger erection device in a kind of petroleum exploration and development, is specifically related to a kind of downhole electromagnetic and regulates damping type elasticity erection device.
Background technology
Along with the drilling technologies such as horizontal well, extended reach well, multihole well play more and more important role in petroleum exploration and development process.In oil well logging process, current major part adopts the mode of Drill-pipe conveyed downhole logging instruments, a lot of inconvenience is brought to horizontal wellbore logging, and along with borehole condition become increasingly complex, the increase of hole angle, the growth of horizontal section length, downhole instrument under the centralizer entered in process become and be more and more difficult to ensure card.
Generally adopt centralizer to improve draw-gear and the stability of logger in down-hole when draw-gear and logger G.I.H, reduce the wearing and tearing of sleeve pipe and the damage to device or instrument self, draw-gear or logger is avoided to occur jam phenomenon in underground work, improve logging efficiency, shorten the well logging cycle.At present, most erection devices or centralizer are all adopt the rigid deformation of single dependence spiral damping spring to shrink to meet well radius variations and other down hole problems, simultaneously, usual centralizer or erection device are in order to ensure when underground work, its roller continues to compress the borehole wall and ensures righting effect, so need to possess certain pre compressed magnitude at erection device at well inside spin damping spring, namely spring is in a certain compressive state for a long time in down-hole.But when down-hole well generation continuous print reducing, the lasting rigid telescopic of spring is difficult to meet with the fatigue strength under magnitude of load change and stability, and application life also can receive restriction to a great extent.Therefore, it is simple that development has structure, under easy to operate basic premise, Automatic adjusument can be carried out according to the size of underground vibrating and elastic impact power and frequency and to overcome or the erection device that adapts to well complex conditions is the guarantee that down-hole draw-gear or logger are efficient, stablize operation.
Based on above analysis, a kind of downhole electromagnetic of the utility model Patent design regulates damping type elasticity erection device, be intended to by the elastic telescopic acting in conjunction of electromagnetic control system and spiral damping spring to adapt to the change of down-hole caliber, wherein electromagnetic control system can carry out continuous print Automatic adjusument according to the size of the vibration of damping spring and elastic impact power, erection device is avoided to rely on the rigid telescopic of spiral damping spring to realize damping completely, thus improve application life and the stability of erection device, ensure righting effect.
Utility model content
The purpose of this utility model is as oil and gas drilling engineering field provides a kind of downhole electromagnetic to regulate damping type elasticity erection device.This erection device adopts four groups of angles to be that the righting arm unit of 90 ° realizes centralizing function; And by the elastic telescopic acting in conjunction of electromagnetic control system and spiral damping spring to adapt to the change of down-hole caliber, wherein electromagnetic control system can carry out continuous print Automatic adjusument according to the size of the vibration of damping spring and elastic impact power, erection device is avoided to rely on the rigid telescopic of spiral damping spring to realize damping completely, thus improve application life and the stability of erection device, ensure righting effect; The fatigue failure etc. of erection device is avoided to affect the normal operation of logger in down-hole.
In order to achieve the above object, the utility model adopts following technical scheme:
A kind of downhole electromagnetic regulates damping type elasticity erection device primarily of support and connection mechanism, electromagnetic control system, shock absorbing resilient righting mechanism composition; Support and connection mechanism is in order to support the overall structure of this erection device, and be connected with the instrument matched or device in down-hole, electromagnetic control system and the acting in conjunction of shock absorbing resilient righting mechanism are to adapt to the change of down-hole caliber, and continuous print Automatic adjusument can be carried out according to the size of the vibration of spiral damping spring and elastic impact power, avoid erection device to rely on the rigid telescopic of spiral damping spring to realize damping completely.
Support and connection mechanism comprises connector, protection urceolus, connects axis and guide connector; External screw thread, endoporus and cabling inclined hole are arranged at the top of connector, axially there are tapped deep and long hole, cannelure in bottom, and step place has external screw thread to be connected with the internal thread of protection urceolus, radial direction has square cavity, is communicated with bottom it by the endoporus of cable hole with connector top; Cylindrically, there is internal thread one end to protection urceolus, and the other end has O RunddichtringO mounting groove and sensor mounting hole, and there is sensor transmissions electric wire mounting groove inner side; Connecting axis is the thin and long circular axis that there is the location shaft shoulder at two ends, two ends external screw thread is connected with connector and guide connector respectively, rise and connect supporting role, the side of the lower end shaft shoulder has two groups in 90 ° of uniform positioning spiro pits, connect on axis in order to lower support sliding sleeve is locked in, two groups of adjacent positioning spiro pits can carry out the open-angle of righting arm on regulation and control, lower righting arm according to actual needs, thus are adapted to the use of different hole diameter.
Electromagnetic control system comprises Bussing connector, Integration Bus, electronic controller, motor locating ring, linear motor, sensor, sensor transmissions electric wire; Electronic controller and linear motor are the cores of electromagnetic control system, and electronic controller is arranged in the square cavity of connector radial direction, is communicated with, is communicated with linear motor simultaneously by the Integration Bus in inclined hole with the Bussing connector be arranged in the endoporus of top; Linear motor is actually the linear motor be made up of stator coil and moveable magnet, is arranged on the linear electrical in support and connection mechanism, and its stator coil is fixed on connector, and the current strength in coil is directly controlled by electronic controller; Sensor is used for detecting acceleration and the stroke of support sliding sleeve, and by sensor transmissions wire transfer to electronic controller, electronic controller according to sensor detect actual acceleration and the stroke of upper support sliding sleeve, send the current strength of instruction accurate control inputs linear motor stator coil, thus the opposite direction motion damping force of control linear motor and damping force; Mitigation supports sliding sleeve and the impact of spiral damping spring and the vibration of erection device.
Shock absorbing resilient righting mechanism comprises spiral damping spring, slip ring, slip ring holding screw, O-ring seals, needle roller sliding sleeve, upper support sliding sleeve, sliding sleeve connection pin, upper righting arm, roller, roller removable pin, lower righting arm, lower support cover, sliding sleeve locating ring and locating ring holding screw; Spiral damping spring adopts cylindrically coiled spring, two ends are connected with connector and slip ring respectively, it is the key element of shock absorbing resilient righting mechanism, slip ring top is fluted, in order to install damping helical spring and connecting linear motor, lower end is connected with upper support sliding sleeve by six uniform slip ring holding screws, is the critical element of transmission damping force and damping force; Upper support sliding sleeve is annulus cylinder, top with slip ring, protect urceolus to coordinate, endoporus coordinates with the outer ring of needle roller sliding sleeve, and uniform four angles in bottom are the open slot of 90 °, connect pin respectively by sliding sleeve to be connected with one end of upper righting arm, upper support sliding sleeve can slide axially; Upper righting arm two ends are connected with upper support sliding sleeve, lower righting arm respectively by removable pin, and roller is equipped with on the top of upper righting arm, and roller is fixed on upper righting arm by roller removable pin, directly contact with the borehole wall, and roll along the borehole wall in down-hole; Lower support cover is similar to upper support shift sleeve structure, uniform four angles in top are the open slot of 90 °, be connected with one end of lower support arm respectively by connection pin, endoporus be connected axis and coordinate, on the step of lower end, uniform four manholes, are locked by sliding sleeve locating ring and locating ring holding screw; The roller that can roll along the borehole wall is also equipped with on the top of lower righting arm.
Compared with prior art, of the present utility modelly to have the following advantages:
1. this erection device by the elastic telescopic acting in conjunction of electromagnetic control system and spiral damping spring to adapt to the change of down-hole caliber, electromagnetic control system is the continuously adjustable Adaptable System of damping force, erection device can be avoided to rely on the rigid telescopic of spiral damping spring to realize damping completely, thus improve application life and the stability of erection device, ensure righting effect.
2. adopt sensor to be used for detecting acceleration and the stroke of support sliding sleeve, and by sensor transmissions wire transfer to electronic controller, electronic controller according to sensor detect actual acceleration and the stroke of upper support sliding sleeve, send the current strength of instruction accurate control inputs linear motor stator coil, thus the opposite direction motion damping force of control linear motor and damping force; Mitigation supports sliding sleeve and the impact of spiral damping spring and the vibration of erection device; Therefore, erection device can carry out the Automatic adjusument that continues and control according to the size of elastic impact power and frequency.
3. according to the needs of actual hole diameter, lower support cover can be locked on wherein one group of positioning spiro pit of connection axis, meet the instructions for use under different hole diameter condition.
Accompanying drawing explanation
Fig. 1 is the schematic front view that downhole electromagnetic adjustment damping type elasticity erection device is analysed and observe;
Fig. 2 is the sectional structure schematic diagram that downhole electromagnetic regulates damping type elasticity erection device;
Fig. 3 is the I partial enlarged drawing that downhole electromagnetic regulates in damping type elasticity erection device Fig. 2;
Fig. 4 is that downhole electromagnetic regulates damping type elasticity erection device along the cross-sectional schematic of A-A in Fig. 2;
Fig. 5 is that downhole electromagnetic regulates damping type elasticity erection device along the cross-sectional schematic of B-B in Fig. 2;
Fig. 6 is the schematic front view that downhole electromagnetic regulates damping type elasticity erection device;
Fig. 7 is the schematic diagram under downhole electromagnetic regulates damping type elasticity erection device to be in free shrink dress altar;
Fig. 8 is the schematic top plan view that downhole electromagnetic regulates damping type elasticity erection device;
In figure: 11 connectors, 12 protection urceolus, 13 connect axis, 14 guide connectors, 21 bus contact, 22 Integration Bus, 23 electronic controllers, 24 motor locating rings, 25 linear motors, 26 sensors, 27 sensor transmissions electric wires, 31 spiral damping springs, 32 slip rings, 33 slip ring holding screws, 34 O-ring seals, 35 needle roller sliding sleeves, sliding sleeve is supported on 36, 37 sliding sleeves connect pin, righting arm on 38, 39 rollers, 310 roller removable pins, 311 times righting arms, 312 lower support covers, 313 sliding sleeve locating rings, 314 locating ring holding screws.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention, structure, feature and the effect thereof that the utility model proposes are described, are described in detail as follows:
A kind of downhole electromagnetic regulates damping type elasticity erection device primarily of support and connection mechanism, electromagnetic control system, shock absorbing resilient righting mechanism composition; Support and connection mechanism is in order to support the overall structure of this erection device, and be connected with the instrument matched or device in down-hole, electromagnetic control system and the acting in conjunction of shock absorbing resilient righting mechanism are to adapt to the change of down-hole caliber, and continuous print Automatic adjusument can be carried out according to the size of the vibration of spiral damping spring 31 and elastic impact power, avoid erection device to rely on the rigid telescopic of spiral damping spring 31 to realize damping completely.
Support and connection mechanism comprises connector 11, protection urceolus 12, connects axis 13 and guide connector 14; External screw thread, endoporus and cabling inclined hole are arranged at the top of connector 11, axially there are tapped deep and long hole, cannelure in bottom, and step place has external screw thread to be connected with the internal thread of protection urceolus 12, radial direction has square cavity, is communicated with bottom it by the endoporus of cable hole with connector 11 top; Cylindrically, there is internal thread one end to protection urceolus 12, and the other end has O RunddichtringO 34 mounting groove and sensor 26 installing hole, and there is sensor transmissions electric wire 27 mounting groove inner side; Connect axis 13 and locate the thin and long circular axis of the shaft shoulder for two ends have, two ends external screw thread is connected with connector 11 and guide connector 14 respectively, rise and connect supporting role, the side of the lower end shaft shoulder has two groups in 90 ° of uniform positioning spiro pits, connect on axis in order to lower support sliding sleeve 312 is locked in, two groups of adjacent positioning spiro pits can carry out the open-angle of righting arm 38 on regulation and control, lower righting arm 311 according to actual needs, thus are adapted to the use of different hole diameter.
Electromagnetic control system comprises Bussing connector 21, Integration Bus 22, electronic controller 23, motor locating ring 24, linear motor 25, sensor 26, sensor transmissions electric wire 27; Electronic controller 23 and linear motor 25 are cores of electromagnetic control system 2, electronic controller 23 is arranged in the square cavity of connector 11 radial direction, be communicated with the Bussing connector 21 be arranged in the endoporus of top by the Integration Bus 22 in inclined hole, be communicated with linear motor 25 simultaneously; Linear motor 25 is actually the linear motor be made up of stator coil and moveable magnet, be arranged on the linear motor 25 in support and connection mechanism, its stator coil is fixed on connector 11, and the current strength in coil is directly controlled by electronic controller 23; Sensor 26 is used for detecting acceleration and the stroke of support sliding sleeve 36, and be transferred to electronic controller 23 by sensor transmissions electric wire 27, electronic controller 23 according to sensor 26 detect and support the actual acceleration of sliding sleeve 36 and stroke, send the current strength of instruction accurate control inputs linear motor 25 stator coil, thus the opposite direction motion damping force of control linear motor 25 and damping force; Mitigation supports sliding sleeve 36 and the impact of spiral damping spring 31 and the vibration of erection device.
Shock absorbing resilient righting mechanism comprises spiral damping spring 31, slip ring 32, slip ring holding screw 33, O-ring seals 34, needle roller sliding sleeve 35, upper support sliding sleeve 36, sliding sleeve connection pin 37, upper righting arm 38, roller 39, roller removable pin 310, lower righting arm 311, lower support cover 312, sliding sleeve locating ring 313 and locating ring holding screw 314; Spiral damping spring 31 adopts cylindrically coiled spring, two ends are connected with connector 11 and slip ring 32 respectively, it is the key element of shock absorbing resilient righting mechanism, slip ring 32 top is fluted, in order to install damping helical spring 31 and connecting linear motor 25, lower end is connected with upper support sliding sleeve 36 by six uniform slip ring 32 holding screws, is the critical element transmitting damping force and damping force; Upper support sliding sleeve 36 is annulus cylinder, top with slip ring 32, protect urceolus 12 to coordinate, endoporus coordinates with the outer ring of needle roller sliding sleeve 35, uniform four angles in bottom are the open slot of 90 °, connect pin 37 respectively by sliding sleeve to be connected with one end of upper righting arm 38, upper support sliding sleeve 36 can slide axially; Upper righting arm 38 two ends are connected with upper support sliding sleeve 36, lower righting arm 311 respectively by removable pin, roller 39 is equipped with on the top of upper righting arm 38, roller 39 is fixed on upper righting arm 38 by roller removable pin 310, directly contacts with the borehole wall, and roll along the borehole wall in down-hole; Lower support cover 312 is similar to upper support sliding sleeve 36 structure, uniform four angles in top are the open slot of 90 °, be connected with one end of lower support arm 311 respectively by connection pin, endoporus be connected axis 13 and coordinate, on the step of lower end, uniform four manholes, are locked by sliding sleeve locating ring 313 and locating ring holding screw 314; The roller 39 that can roll along the borehole wall is also equipped with on the top of lower righting arm 311.
Control method and the process of downhole electromagnetic adjustment damping type elasticity erection device of the present utility model are as follows:
This erection device is when going into the well, Bussing connector 21 is communicated with, and according to the situation of actual hole diameter, lower support lock set 312 is fixed on one group of positioning spiro pit of connection axis 13, keep erection device after going into the well, the spiral damping spring 31 of shock absorbing resilient righting mechanism maintains certain pre compressed magnitude, electronic controller 23 is made a response according to the measured upper stroke supporting sliding sleeve 36 of sensor 26, and sends instruction and carry out suitable control to linear motor 25.
When down-hole borehole diameter has expansion or reduces, upper righting arm 38, there is corresponding change in lower righting arm 311 open-angle, spiral damping spring 31 produces flexible reaction immediately, upper support sliding sleeve 36 can reciprocatingly slide according to the flexible generation acceleration or deceleration in the axial direction of the change of righting arm open-angle and spiral damping spring 31, after the acceleration that sensor 26 detects support sleeve 36 in good time and sliding stroke, be transferred to electronic controller 23, electronic controller 23 receives signal to carry out identifying and processing, and send the current strength of instruction accurate control inputs linear motor 25 stator coil, thus the opposite direction motion damping force of control linear motor 25 and damping force, mitigation supports sliding sleeve 36 and the impact of spiral damping spring 31 and the vibration of erection device.
As can be seen here, in electromagnetic control system, the actual acceleration of the upper support sliding sleeve 36 of control completely and detected by sensor 26 of the current strength size of electronic controller 23 pairs of linear motor 25 stator coils and stroke, and the actual acceleration of upper support sliding sleeve 36 and stroke depend on the practical function situation of the change of hole diameter to shock absorbing resilient righting mechanism.
Claims (4)
1. a downhole electromagnetic regulates damping type elasticity erection device primarily of support and connection mechanism, electromagnetic control system, shock absorbing resilient righting mechanism composition; It is characterized in that: support and connection mechanism comprises connector, protection urceolus, connects axis and guide connector; Electromagnetic control system comprises Bussing connector, Integration Bus, electronic controller, motor locating ring, linear motor, sensor, sensor transmissions electric wire; Shock absorbing resilient righting mechanism comprises spiral damping spring, slip ring, slip ring holding screw, O-ring seals, needle roller sliding sleeve, upper support sliding sleeve, sliding sleeve connection pin, upper righting arm, roller, roller removable pin, lower righting arm, lower support cover, sliding sleeve locating ring and locating ring holding screw; Wherein connector is threaded connection with protection urceolus, connects axis two ends and is connected with connector, guide connector respectively; Electronic controller by Integration Bus respectively with Bussing connector and linear motor UNICOM, and be provided with sensor transmissions electric wire connect sensor; The front end connection slip ring of linear motor, and be loaded in the cannelure of connector by motor locating ring, spiral damping spring two ends are fixed on connector and slip ring respectively; The upper end of upper righting arm connects pin by sliding sleeve and is connected with upper support sliding sleeve, needle roller sliding sleeve is arranged in support sliding sleeve, one end of upper righting arm and lower righting arm is equipped with roller, the lower end of lower righting arm is overlapped with lower support and is connected, and lower support cover is fixed on the lower end connecting axis by sliding sleeve locating ring and locating ring holding screw.
2. downhole electromagnetic according to claim 1 regulates damping type elasticity erection device, it is characterized in that: external screw thread, endoporus and cabling inclined hole are arranged at the top of described connector, axially there are tapped deep and long hole, cannelure in bottom, and there is external screw thread at step place, radial direction there is square cavity, is communicated with by the endoporus of cable hole with connector top bottom it; Cylindrically, one end is provided with internal thread to protection urceolus, and the other end is provided with O RunddichtringO mounting groove and sensor mounting hole, and there is sensor transmissions electric wire mounting groove inner side; Connecting axis is that two ends have the location shaft shoulder and connect externally threaded thin and long circular axis, and the side of the lower end shaft shoulder has two groups in 90 ° of uniform positioning spiro pits, connects on axis in order to be locked in by lower support sliding sleeve.
3. downhole electromagnetic according to claim 1 regulates damping type elasticity erection device, it is characterized in that: described electronic controller and linear motor are the cores of electromagnetic control system, electronic controller is arranged in the square cavity of connector radial direction, is communicated with the Bussing connector be arranged in the endoporus of top by the Integration Bus in inclined hole; Linear motor is made up of stator coil and moveable magnet.
4. downhole electromagnetic according to claim 1 regulates damping type elasticity erection device, it is characterized in that: described spiral damping spring adopts cylindrically coiled spring; Slip ring is circular, and upper end is provided with groove, and lower end is provided with six uniform screwing through hole; Upper support sliding sleeve is annulus cylinder, and upper end is provided with six uniform screwed holes, and inside is provided with stepped hole, and uniform four angles in bottom are the open slot of 90 °, and the endoporus of upper support sliding sleeve coordinates with the outer ring of needle roller sliding sleeve and can slide axially; Upper righting arm two ends are connected with upper support sliding sleeve, lower righting arm respectively, and roller is equipped with on the top of upper righting arm, and roller is fixed on upper righting arm by roller removable pin, directly contact with the borehole wall, and roll along the borehole wall also lower; Lower support cover is similar to upper support shift sleeve structure, and uniform four angles in top are the open slot of 90 °, and inside is provided with stepped hole, and be connected axis and coordinate, uniform four manholes on the step of lower end; The roller that can roll along the borehole wall is also equipped with on the top of lower righting arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520257053.1U CN204677127U (en) | 2015-04-27 | 2015-04-27 | A kind of downhole electromagnetic regulates damping type elasticity erection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520257053.1U CN204677127U (en) | 2015-04-27 | 2015-04-27 | A kind of downhole electromagnetic regulates damping type elasticity erection device |
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| CN204677127U true CN204677127U (en) | 2015-09-30 |
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| CN201520257053.1U Expired - Fee Related CN204677127U (en) | 2015-04-27 | 2015-04-27 | A kind of downhole electromagnetic regulates damping type elasticity erection device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108627145A (en) * | 2018-07-10 | 2018-10-09 | 中国计量大学 | A kind of camera centering means of stake holes image method detection |
| CN108999582A (en) * | 2018-07-23 | 2018-12-14 | 山东承坤信息科技有限公司 | Petroleum horizontal well obstacle detouring tractor and its application method |
| CN109138862A (en) * | 2018-09-28 | 2019-01-04 | 西南石油大学 | A kind of adjustable centralizer of motor driven |
| CN113719276A (en) * | 2020-12-17 | 2021-11-30 | 中油奥博(成都)科技有限公司 | Optical cable positioning device and method in oil well, and sleeve fracturing system and method |
-
2015
- 2015-04-27 CN CN201520257053.1U patent/CN204677127U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108627145A (en) * | 2018-07-10 | 2018-10-09 | 中国计量大学 | A kind of camera centering means of stake holes image method detection |
| CN108999582A (en) * | 2018-07-23 | 2018-12-14 | 山东承坤信息科技有限公司 | Petroleum horizontal well obstacle detouring tractor and its application method |
| CN108999582B (en) * | 2018-07-23 | 2019-11-22 | 游精学 | Petroleum horizontal well obstacle detouring tractor and its application method |
| CN109138862A (en) * | 2018-09-28 | 2019-01-04 | 西南石油大学 | A kind of adjustable centralizer of motor driven |
| CN113719276A (en) * | 2020-12-17 | 2021-11-30 | 中油奥博(成都)科技有限公司 | Optical cable positioning device and method in oil well, and sleeve fracturing system and method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150930 Termination date: 20160427 |