CN202100232U - Excitation rubber plug - Google Patents
Excitation rubber plug Download PDFInfo
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- CN202100232U CN202100232U CN2011202060704U CN201120206070U CN202100232U CN 202100232 U CN202100232 U CN 202100232U CN 2011202060704 U CN2011202060704 U CN 2011202060704U CN 201120206070 U CN201120206070 U CN 201120206070U CN 202100232 U CN202100232 U CN 202100232U
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- screw
- rubber plug
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Abstract
The utility model relates to the technical field of vibration well cementing device for drilling engineering, in particular to an excitation rubber plug. The excitation rubber plug comprises a rubber plug support, a rubber plug, an excitation device, a left spiral core plug and a right spiral core plug. The rubber plug is fixed outside the rubber plug support, more than one rubber plug flange is arranged outside the rubber plug, and the outer diameter of the left end of the rubber plug flange is larger than that of the right end of the rubber plug flange. A cavity is arranged inside the rubber plug support, the excitation device is fixedly arranged inside the rubber plug support, the left portion of the rubber plug support is fixedly provided with the left spiral core plug, the left portion of the left spiral core plug is provided with a guide conical surface, and the left portion of the guide conical surface is smaller than the right portion of the guide conical surface. The excitation rubber plug is reasonable and compact in structure and convenient to use. By means of the combination of the excitation device and a well cementing rubber plug, during the well cementing process, the excitation rubber plug stimulates a sleeve string through vibration to form damping resonance to perform dynamic vibration well cementing, thereby effectively preventing resident fluid from entering, improving cementing strength of interfaces and cement stones and remarkably improving well cementing quality. The excitation rubber plug has the advantages of being simple in structure and low in cost and energy consumption and facilitating on-site operation and using.
Description
Technical field
The utility model relates to the vibration cementing device technique field that drilling engineering uses, and is a kind of exciting plug.
Background technology
External very early to the technology of the vibration cementing in drilling engineering beginning correlative study; Former Soviet Union crow sends out oil academy and passes through experiment confirm; Excited frequency is in the time of 20 hertz to 175 hertz; No matter oscillation intensity is big or small, all can improve 20 1 15 to percent cement strength, nearly hundred mouthfuls of wells successfully use in five oil fields; Pressure-measuring instrument is laid by U.S. Dale Dusterhoft and CTES company outside sleeve pipe, confirm that the well cementation back applies suitable low frequency hydraulic impulse at well head and can make that cement paste keeps a kind of low-speed motion in the well; Canada Trican well services company has researched and developed vehicle-mounted vibratory equipment.Domestic comparatively rapid about the development of vibration cementing Study on Technology; The waterpower pulse casing shoe of grand celebration drilling well research institute in 1992 and technical service company's research begins; Hydraulic pulse generator to Liaohe Oil Field drilling company in 1998; Carried out the field trial of up to a hundred mouthfuls of oil wells, qualification rate 99 percent, the factor of merit 94 percent.Find from domestic and international present Research analysis; The validity and the application of vibration cementing technology are all improving, and various new technologies, new technology emerge in an endless stream, like magnetoelectricity vibrator in well head vibratory equipment, shaft bottom pulser, the well etc.; Formed development situation in the ascendant; Yet,, need to use the vibration wave of realizing long distance to propagate the energy in order to solve the vibratory response problem of drilling fluid in the well cementation process and well cementation liquid; Perhaps need be at setting of casing, annotate the device that install instruments in the process such as ash, shortcoming such as applied vibratory equipment energy consumption is big, complex structure, cost are high, operability and implementation are relatively poor becomes and hinders technological progress and stumbling-block preventing the development.
Summary of the invention
The utility model provides a kind of exciting plug, has overcome the deficiency of above-mentioned prior art, the problem that it can effectively solve, and vibratory equipment energy consumption that existing vibration cementing device exists is big, complex structure, cost are high, be not easy to manipulate.
The technical scheme of the utility model realizes through following measure: a kind of exciting plug comprises plug support, rubber plug, exciting device, left-hand screw plug and right-hand screw plug; The external stability of plug support has the rubber plug; There is the plug flange outside of rubber plug stationary distribution from left to right; There is cavity the inside of plug support and is installed with exciting device; The left part of plug support is installed with the left-hand screw plug, and the left part of left-hand screw plug has the guiding conical surface left small and right large, and plug support right part is installed with and can makes plug internal stent cavity keep the right-hand screw plug of sealing.
Be to the further optimization of above-mentioned utility model technical scheme below or/and improve:
Above-mentioned plug support can comprise left socle head and support body; The left part of left socle head has frame head axle journal; The left end of frame head axle journal has frame head screw; The right part of left-hand screw plug has the screwed left plug axle journal in the outside; The left-hand screw plug is fixedly mounted on left socle head left part through left plug axle journal and frame head screw; The outside, middle part of left socle head has frame headring groove, the internal chamber wall left part of rubber plug that plug left side ring platform is arranged and is fixed on the left socle head through plug left side ring platform and frame headring groove, and the frame head cavity that stretches in the left socle head body is arranged on the right side of left socle head; There is frame pipe cavity the inside of support body; The left end of frame pipe cavity is connected with the right-hand member of frame head cavity; The left part of support body has frame tubular axis neck; Frame tubular axis neck is installed in the frame head cavity and with the left socle head and is fixed together, and the right part of support body has frame pipe outer lug boss, and the right side that rubber plug right part is installed in support tube external and rubber plug is pressed on the left side of frame pipe outer lug boss; The left part of right-hand screw plug has right plug axle journal; There is right plug screw thread in the left part outside of right plug axle journal; The frame pipe inner groovy that matches with right plug axle journal is arranged on the right part inwall of frame pipe cavity; Frame pipe internal thread is arranged on the left part inwall of frame pipe inner groovy, and the right-hand screw plug is fixedly mounted on support body right part through frame pipe internal thread and right plug screw thread.
Above-mentioned exciting device can comprise battery, direct current generator, vibrating mass and control chip; Ring platform in the support is arranged on the left part inwall of support body; Battery is installed in the frame pipe cavity; The left end of battery is pressed on the right side of ring platform in the support, and direct current generator is installed in the inner chamber of ring platform in the support, and the left part of direct current generator has motor flange; Motor flange is installed on the left side of ring platform in the support through screw; The dynamic output shaft of the left end of direct current generator also is installed with vibrating mass, and it is inner and can rotate that vibrating mass is positioned at frame head cavity, in the right-hand frame pipe cavity of battery control chip is installed; The positive pole of battery and negative pole are electrically connected through the positive terminal and the negative terminal of lead and direct current generator respectively; Be installed with the signal receiving device that can receive ground remote control signal that device sends on the control chip, the positive terminal of control chip and negative terminal are electrically connected through the positive terminal and the negative terminal of lead and direct current generator respectively.
Can there be the body annular groove that is no less than in the outside, middle part of above-mentioned support body; There is plug annular snap platform the position of corresponding body annular groove on the internal chamber wall of rubber plug, and rubber plug middle part is fixed on the support tube external through plug annular snap platform and body annular groove.
Can there be right plug counterbore at the middle part, right side of above-mentioned right-hand screw plug; On the bottom surface of right plug counterbore the right plug screw that runs through the right-hand screw plug is arranged; The left part of right plug screw is installed with holding screw; The left end of holding screw holds out against on the right side of control chip, is installed with in the right plug counterbore to make right plug screw right-hand member keep the stifled soket head cap screw in the right side of sealing.
A left side draw-in groove can be arranged on the above-mentioned left-hand screw plug lateral surface near frame head axle journal left side and elastic collar is installed, the lateral surface of elastic collar is the card conical surface left small and right large, and the right-hand member diameter of elastic collar is greater than the external diameter of left-hand screw plug and frame head axle journal.
Can there be the neck seal groove in above-mentioned the axle journal outside and be installed with sealing ring, right stifled seal groove can be arranged on the right plug axle journal and be installed with sealing ring.
The utility model reasonable and compact in structure; Easy to use, it forms damping resonance through the vibrational excitation bunch tube and carries out the dynamic vibration well cementation through vibrator is combined with cementing plug in the well cementation process; Can effectively stop formation fluid to be scurried into; Improve interface and cement stone cementing strength, significantly improve cementing quality, have simple in structure, cost and energy consumption low, be convenient to the characteristics that execute-in-place uses.
Description of drawings
Accompanying drawing 1 is looked the sectional structure sketch map for the master of the utility model most preferred embodiment.
Coding in the accompanying drawing is respectively: 1 is the rubber plug, and 2 is the left-hand screw plug, and 3 is the right-hand screw plug, and 4 is the plug flange, and 5 are the guiding conical surface, and 6 is the left socle head; 7 is the support body, and 8 is frame head axle journal, and 9 is frame head screw, and 10 is left plug axle journal, and 11 is frame headring groove; 12 is plug left side ring platform, and 13 is frame head cavity, and 14 is frame pipe cavity, and 15 is frame tubular axis neck, and 16 is frame pipe outer lug boss; 17 is right plug axle journal, and 18 is right plug screw thread, and 19 is frame pipe inner groovy, and 20 is battery, and 21 is direct current generator; 22 is vibrating mass, and 23 is control chip, and 24 is ring platform in the support, and 25 is motor flange, and 26 is the body annular groove; 27 is plug annular snap platform, and 28 is right plug counterbore, and 29 is right plug screw, and 30 is holding screw, and 31 is right stifled soket head cap screw; 32 is a left side draw-in groove, and 33 is elastic collar, and 34 are the card conical surface, and 35 is the neck seal groove, and 36 is right stifled seal groove.
The specific embodiment
The utility model does not receive the restriction of following embodiment, can confirm concrete embodiment according to the technical scheme and the actual conditions of the utility model.
In the utility model, for the ease of describing, the description of the relative position relation of each parts all is to describe according to the Butut mode of Figure of description, as: upper and lower, about etc. the position relation be what to confirm according to the Butut direction of Figure of description.
Below in conjunction with most preferred embodiment and accompanying drawing the utility model is further described:
Shown in accompanying drawing 1, this exciting plug comprises plug support, rubber plug 1, exciting device, left-hand screw plug 2 and right-hand screw plug 3; The external stability of plug support has rubber plug 1; The outside of rubber plug 1 has from left to right, and stationary distribution has plug flange 4; There is cavity the inside of plug support and is installed with exciting device; The left part of plug support is installed with left-hand screw plug 2, and the left part of left-hand screw plug 2 has the guiding conical surface 5 left small and right large, and plug support right part is installed with and can makes plug internal stent cavity keep the right-hand screw plug 3 of sealing.Through vibrator and cementing plug are united two into one, not only simple in structure, less energy intensive but also be convenient to execute-in-place and use forms damping resonance through the vibrational excitation bunch tube in the well cementation process; Carry out the dynamic vibration well cementation, promptly replace in the process of drilling fluid, through the utility model of full well section motion at cement paste; Realize the damping resonance response of whole pit shaft; Guarantee that simultaneously cement paste continues vibration in wait coagulating process, the relative motion between exacerbate water and solid phase particles reduces or eliminates the gel strength of cement paste; Make the liquid column hydrostatic pressure loss of cement paste in process of setting be able to compensation, form higher radial stresses at first and second interface.Utilize the utility model to stop formation fluid to be scurried into effectively in the process with fixed attention in well cementation and time, improve interface and cement stone cementing strength, thereby reach the purpose that improves cementing quality.
Can according to actual needs above-mentioned exciting plug be done further to optimize or/and improve:
Shown in accompanying drawing 1, the plug support comprises left socle head 6 and support body 7; The left part of left socle head 6 has frame head axle journal 8; The left end of frame head axle journal 8 has frame head screw 9; The right part of left-hand screw plug 2 has the screwed left plug axle journal 10 in the outside; Left-hand screw plug 2 is fixedly mounted on left socle head 6 left parts through left plug axle journal 10 with frame head screw 9; The outside, middle part of left socle head 6 has frame headring groove 11, the internal chamber wall left part of rubber plug 1 that plug left side ring platform 12 is arranged and is fixed on the left socle head 6 with frame headring groove 11 through plug left side ring platform 12, and the frame head cavity 13 that stretches in left socle head 6 bodies is arranged on the right side of left socle head 6; There is frame pipe cavity 14 inside of support body 7; The left end of frame pipe cavity 14 is connected with the right-hand member of frame head cavity 13; The left part of support body 7 has frame tubular axis neck 15; Frame tubular axis neck 15 is installed in the frame head cavity 13 and with left socle head 6 and is fixed together, and the right part of support body 7 has frame pipe outer lug boss 16, and the right side that rubber plug 1 right part is installed in support body 7 outsides and rubber plug 1 is pressed on the left side of frame pipe outer lug boss 16; The left part of right-hand screw plug 3 has right plug axle journal 17; There is right plug screw thread 18 in the left part outside of right plug axle journal 17; The frame pipe inner groovy 19 that matches with right plug axle journal 17 is arranged on the right part inwall of frame pipe cavity 14; Frame pipe internal thread is arranged on the left part inwall of frame pipe inner groovy 19, and right-hand screw plug 3 is fixedly mounted on support body 7 right parts through frame pipe internal thread and right plug screw thread 18.
Shown in accompanying drawing 1, exciting device comprises battery 20, direct current generator 21, vibrating mass 22 and control chip 23; Ring platform 24 in the support is arranged on the left part inwall of support body 7; Battery 20 is installed in the frame pipe cavity 14; The left end of battery 20 is pressed on the right side of ring platform 24 in the support, and direct current generator 21 is installed in the inner chamber of ring platform 24 in the support, and the left part of direct current generator 21 has motor flange 25; Motor flange 25 is installed on the left side of ring platform 24 in the support through screw; The dynamic output shaft of the left end of direct current generator 21 also is installed with vibrating mass 22, and it is inner and can rotate that vibrating mass 22 is positioned at frame head cavity 13, in the right-hand frame pipe cavity 14 of battery 20 control chip 23 is installed; The positive pole of battery 20 and negative pole are electrically connected through the positive terminal and the negative terminal of lead and direct current generator 21 respectively; Be installed with the signal receiving device that can receive ground remote control signal that device sends on the control chip 23, the positive terminal of control chip 23 and negative terminal are electrically connected through the positive terminal and the negative terminal of lead and direct current generator 21 respectively.Delay time and mode of vibration by key control through the ground remote control device; Realization damping resonance, the utility model is under the effect of the plug flange 4 of upper liquid promotion rubber plug 1, and move in sleeve pipe from top to bottom in one side; The signal receiving device of control chip 23 is after receiving signal; Make vibrating mass 22 drive the utility model and in sleeve pipe, vibrate, realize full well section resonance response, after bruising, can continue vibration.
Shown in accompanying drawing 1; There is the body annular groove 26 that is no less than in the outside, middle part of support body 7; There is plug annular snap platform 27 position of corresponding body annular groove 26 on the internal chamber wall of rubber plug 1, and rubber plug 1 middle part is fixed on support body 7 outsides through plug annular snap platform 27 and body annular groove 26.Can further improve the bonding strength of rubber plug 1 and support body 7 through plug annular snap platform 27 and body annular groove 26.
Shown in accompanying drawing 1; There is right plug counterbore 28 at the middle part, right side of right-hand screw plug 3; On the bottom surface of right plug counterbore 28 the right plug screw 29 that runs through right-hand screw plug 3 is arranged; The left part of right plug screw 29 is installed with holding screw 30, and the left end of holding screw 30 holds out against on the right side of control chip 23, is installed with in the right plug counterbore 28 to make right plug screw 29 right-hand members keep the stifled soket head cap screw 31 in the right side of sealing.Through the fixing position of control chip 23 of holding screw 30.
Shown in accompanying drawing 1; A left side draw-in groove 32 is arranged on left-hand screw plug 2 lateral surfaces near frame head axle journal 8 left sides and elastic collar 33 is installed; The lateral surface of elastic collar 33 is the card conical surface 34 left small and right large, and the right-hand member diameter of elastic collar 33 is greater than the external diameter of left-hand screw plug 2 and frame head axle journal 8.Can lock the position of the utility model through elastic collar 33.
Shown in accompanying drawing 1, there is neck seal groove 35 in frame head axle journal 8 outsides and is installed with sealing ring, right stifled seal groove 36 is arranged on the right plug axle journal 17 and be installed with sealing ring.Other install the sealing performance of junctions can to guarantee frame head axle journal 8 and bottom through neck seal groove 35, can guarantee the sealing performance of right-hand screw plug 3 and frame pipe cavity 14 inwall junctions through the stifled seal groove 36 in the right side.
Above technical characterictic has constituted the most preferred embodiment of the utility model, and it has stronger compliance and best implementation result, can increase and decrease non-essential technical characterictic according to actual needs, satisfies the demand of different situations.
Claims (10)
1. an exciting plug is characterized in that comprising plug support, rubber plug, exciting device, left-hand screw plug and right-hand screw plug; The external stability of plug support has the rubber plug; There is the plug flange outside of rubber plug stationary distribution from left to right; There is cavity the inside of plug support and is installed with exciting device; The left part of plug support is installed with the left-hand screw plug, and the left part of left-hand screw plug has the guiding conical surface left small and right large, and plug support right part is installed with and can makes plug internal stent cavity keep the right-hand screw plug of sealing.
2. exciting plug according to claim 1 is characterized in that the plug support comprises left socle head and support body; The left part of left socle head has frame head axle journal; The left end of frame head axle journal has frame head screw; The right part of left-hand screw plug has the screwed left plug axle journal in the outside; The left-hand screw plug is fixedly mounted on left socle head left part through left plug axle journal and frame head screw; The outside, middle part of left socle head has frame headring groove, the internal chamber wall left part of rubber plug that plug left side ring platform is arranged and is fixed on the left socle head through plug left side ring platform and frame headring groove, and the frame head cavity that stretches in the left socle head body is arranged on the right side of left socle head; There is frame pipe cavity the inside of support body; The left end of frame pipe cavity is connected with the right-hand member of frame head cavity; The left part of support body has frame tubular axis neck; Frame tubular axis neck is installed in the frame head cavity and with the left socle head and is fixed together, and the right part of support body has frame pipe outer lug boss, and the right side that rubber plug right part is installed in support tube external and rubber plug is pressed on the left side of frame pipe outer lug boss; The left part of right-hand screw plug has right plug axle journal; There is right plug screw thread in the left part outside of right plug axle journal; The frame pipe inner groovy that matches with right plug axle journal is arranged on the right part inwall of frame pipe cavity; Frame pipe internal thread is arranged on the left part inwall of frame pipe inner groovy, and the right-hand screw plug is fixedly mounted on support body right part through frame pipe internal thread and right plug screw thread.
3. exciting plug according to claim 2 is characterized in that exciting device comprises battery, direct current generator, vibrating mass and control chip; Ring platform in the support is arranged on the left part inwall of support body; Battery is installed in the frame pipe cavity; The left end of battery is pressed on the right side of ring platform in the support, and direct current generator is installed in the inner chamber of ring platform in the support, and the left part of direct current generator has motor flange; Motor flange is installed on the left side of ring platform in the support through screw; The dynamic output shaft of the left end of direct current generator also is installed with vibrating mass, and it is inner and can rotate that vibrating mass is positioned at frame head cavity, in the right-hand frame pipe cavity of battery control chip is installed; The positive pole of battery and negative pole are electrically connected through the positive terminal and the negative terminal of lead and direct current generator respectively; Be installed with the signal receiving device that can receive ground remote control signal that device sends on the control chip, the positive terminal of control chip and negative terminal are electrically connected through the positive terminal and the negative terminal of lead and direct current generator respectively.
4. according to claim 2 or 3 described exciting plugs; There is the body annular groove that is no less than in the outside, middle part that it is characterized in that the support body; There is plug annular snap platform the position of corresponding body annular groove on the internal chamber wall of rubber plug, and rubber plug middle part is fixed on the support tube external through plug annular snap platform and body annular groove.
5. according to claim 2 or 3 described exciting plugs; There is right plug counterbore at the middle part, right side that it is characterized in that the right-hand screw plug; On the bottom surface of right plug counterbore the right plug screw that runs through the right-hand screw plug is arranged; The left part of right plug screw is installed with holding screw, and the left end of holding screw holds out against on the right side of control chip, is installed with in the right plug counterbore to make right plug screw right-hand member keep the stifled soket head cap screw in the right side of sealing.
6. exciting plug according to claim 4; There is right plug counterbore at the middle part, right side that it is characterized in that the right-hand screw plug; On the bottom surface of right plug counterbore the right plug screw that runs through the right-hand screw plug is arranged; The left part of right plug screw is installed with holding screw, and the left end of holding screw holds out against on the right side of control chip, is installed with in the right plug counterbore to make right plug screw right-hand member keep the stifled soket head cap screw in the right side of sealing.
7. according to claim 2 or 3 described exciting plugs; It is characterized in that having on the left-hand screw plug lateral surface near frame head axle journal left side a left side draw-in groove and elastic collar is installed; The lateral surface of elastic collar is the card conical surface left small and right large, and the right-hand member diameter of elastic collar is greater than the external diameter of left-hand screw plug and frame head axle journal.
8. exciting plug according to claim 6; It is characterized in that having on the left-hand screw plug lateral surface near frame head axle journal left side a left side draw-in groove and elastic collar is installed; The lateral surface of elastic collar is the card conical surface left small and right large, and the right-hand member diameter of elastic collar is greater than the external diameter of left-hand screw plug and frame head axle journal.
9. exciting plug according to claim 7 is characterized in that there is the neck seal groove in the frame head axle journal outside and is installed with sealing ring, right stifled seal groove is arranged on the right plug axle journal and be installed with sealing ring.
10. exciting plug according to claim 8 is characterized in that there is the neck seal groove in the frame head axle journal outside and is installed with sealing ring, right stifled seal groove is arranged on the right plug axle journal and be installed with sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202060704U CN202100232U (en) | 2011-06-18 | 2011-06-18 | Excitation rubber plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202060704U CN202100232U (en) | 2011-06-18 | 2011-06-18 | Excitation rubber plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202100232U true CN202100232U (en) | 2012-01-04 |
Family
ID=45386248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202060704U Expired - Lifetime CN202100232U (en) | 2011-06-18 | 2011-06-18 | Excitation rubber plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202100232U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102251755A (en) * | 2011-06-18 | 2011-11-23 | 中国石油集团西部钻探工程有限公司 | Vibration exciting rubber stopper |
| CN103437735A (en) * | 2013-07-25 | 2013-12-11 | 中国石油天然气集团公司 | Underground variable-diameter limiting body blocking and isolating device in casing |
| CN103790550A (en) * | 2012-11-05 | 2014-05-14 | 王震 | Intelligent downhole plug device |
-
2011
- 2011-06-18 CN CN2011202060704U patent/CN202100232U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102251755A (en) * | 2011-06-18 | 2011-11-23 | 中国石油集团西部钻探工程有限公司 | Vibration exciting rubber stopper |
| CN103790550A (en) * | 2012-11-05 | 2014-05-14 | 王震 | Intelligent downhole plug device |
| CN103437735A (en) * | 2013-07-25 | 2013-12-11 | 中国石油天然气集团公司 | Underground variable-diameter limiting body blocking and isolating device in casing |
| CN103437735B (en) * | 2013-07-25 | 2016-02-10 | 中国石油天然气集团公司 | In pipe, down-hole reducing limit body blocks spacer assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201112 Address after: 100120 Beijing Xicheng District six laying Kang Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Xibu Drilling Engineering Co.,Ltd. Address before: 834000 the Xinjiang Uygur Autonomous Region Karamay Hongyan Road No. 80 Patentee before: CNPC Xibu Drilling Engineering Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120104 |
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| CX01 | Expiry of patent term |