CN204041000U - A kind of oil field kelly bar plash proof valve - Google Patents
A kind of oil field kelly bar plash proof valve Download PDFInfo
- Publication number
- CN204041000U CN204041000U CN201420429370.2U CN201420429370U CN204041000U CN 204041000 U CN204041000 U CN 204041000U CN 201420429370 U CN201420429370 U CN 201420429370U CN 204041000 U CN204041000 U CN 204041000U
- Authority
- CN
- China
- Prior art keywords
- kelly bar
- spring
- proof valve
- guide rod
- oil field
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of oil field kelly bar plash proof valve, kelly bar plash proof valve comprises valve body, top connection and lower contact, the inside of valve body is provided with spool, the end face of spool is provided with seal head, the side of seal head is provided with wing plate, the side of spool is socketed with spring, spring protecting jacket is provided with between spring and spool, the first carbide ring and the second carbide ring is provided with between spring and wing plate, the end face of the first carbide ring props up the bottom of seal head and wing plate, the below of spring is provided with fairlead, valve body is provided with the first discharge orifice and the second discharge orifice, the upper end of valve body is provided with the first screen pack, the top of the first screen pack is provided with the first clearing apparatus, the inside of lower contact is provided with the second screen pack, the below of the second screen pack is provided with the second clearing apparatus.The utility model structure is simple, practical, not only reduces kelly bar plash proof valve manufacturing cost, and extends its application life, substantially increase bit speed.
Description
Technical field
The utility model relates to oil drilling field, particularly relates to a kind of oil field kelly bar plash proof valve.
Background technology
At present, in oil, natural gas and geological prospecting drilling engineering, make up a joint or pull out of hole after dismantling kelly bar, drilling fluid flows to rig floor in kelly bar hydrophthalmia, not only wastes drilling fluid, reduces bit speed, and be degrading operating environment, particularly in the winter time, after drilling fluid adfreezing, cause sole to skid, there is serious potential safety hazard.
Kelly bar plash proof valve of the prior art exists that the life-span is short, cost is high, splashproof DeGrain, comparatively serious to the erosion phenomenon of plash proof valve inwall.
Utility model content
The utility model object is the technical scheme providing a kind of oil field kelly bar plash proof valve for the deficiency existing for prior art, the long erosion of drilling fluid effectively can be resisted by the first carbide ring and the second carbide ring, and only adopt carbide alloy at easy washed out position, can greatly reduce costs, good sealing effectiveness can be played simultaneously, seal head is processed with step, when after spring-compressed to setting value, compression is not continued with the increase of pump pressure, when mounted seal head is played to the effect of location simultaneously, low cost of manufacture, rational in infrastructure, easy to use, life-span is long.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of oil field kelly bar plash proof valve, kelly bar plash proof valve comprises valve body, top connection and lower contact, top connection is fixedly connected on the end face of valve body, lower contact is fixedly connected on the bottom surface of valve body, it is characterized in that: the inside of valve body is provided with spool, the end face of spool is provided with seal head, the side of seal head is provided with wing plate, the end face of wing plate is provided with support inner sleeve, the side of spool is socketed with spring, spring protecting jacket is provided with between spring and spool, the first carbide ring and the second carbide ring is provided with between spring and wing plate, first carbide ring and the second carbide ring match, the end face of the first carbide ring props up the bottom of seal head and wing plate, the bottom surface of the second carbide ring props up spring protecting jacket, the below of the second carbide ring is provided with the first sealing ring, the below of spring is provided with fairlead, fairlead and spool match, the below of fairlead is provided with the second sealing ring, valve body is provided with the first discharge orifice and the second discharge orifice, first discharge orifice is positioned at the top of the second discharge orifice, the upper end of valve body is provided with the first screen pack, and the top of the first screen pack is provided with the first clearing apparatus, and the inside of lower contact is provided with the second screen pack, and the below of the second screen pack is provided with the second clearing apparatus, seal head is processed with step, when after spring-compressed to setting value, compression is not continued with the increase of pump pressure, when mounted seal head is played to the effect of location simultaneously, seal head is connected by the wing plate that the mode of soldering is uniform with circumference, spring protecting jacket can resist the erosion of drilling fluid, extend its application life, first carbide ring and the second carbide ring effectively can resist the long erosion of drilling fluid, and only adopt carbide alloy at easy washed out position, can greatly reduce costs, good sealing effectiveness can be played simultaneously, fairlead can play effect that is spacing and guiding to spool, first discharge orifice can play the effect of drilling fluid in artificial release kelly bar, second discharge orifice plays the effect observed spring cavity, if there is drilling fluid in chamber, then need to change sealing ring, can alleviate spring changes the fatigue failure brought in working chamber internal cause pump pressure simultaneously, first screen pack and the second screen pack effectively prevent granule foreign and enter in plash proof valve and affect its application life.
Further, in top connection, be provided with internal thread, can realize being threaded with the connecting portion of the kelly bar be connected, make connection more solid and reliable.
Further, the side of lower contact is provided with external screw thread, realization is threaded with bottom parts, improves bonding strength, prevents drilling fluid from leaking, improve its safety.
Further, seal head scribbles high-abrasive material, effectively can prevent the long-term erosion seal head of drilling fluid and affect sealing effectiveness, because high-abrasive material hardness is higher, when spool is closed, impurity is not enough to make the sealing surface of seal head to be out of shape, and can keep the sealing performance of seal head sphere preferably.
Further, first clearing apparatus comprises four fixed heads, be connected with the second guide rod respectively by the first guide rod between relative two fixed heads, first guide rod is mutually vertical with the second guide rod, the first guide rod position crossing with the second guide rod is provided with cleaning block, impurity on first screen pack can be cleared up by the first clearing apparatus, prevents the flowing affecting drilling fluid owing to depositing too much.
Further, in fixed head, be provided with chute, the first guide rod and the second guide rod all by slide block mobile link in chute, slide block and chute match, and can realize the first guide rod and the second guide rod moves in same plane.
Further, be provided with feeder in cleaning block, the bottom of cleaning block is provided with cleaning brush, the impurity on the first screen pack can be cleaned, and collected by feeder by cleaning brush.
Further, the second clearing apparatus comprises two gripper shoes, is provided with connecting rod, connecting rod is provided with motor, motor is rotatably connected to scraper plate between two gripper shoes, can clear up the impurity that the second screen pack filters.
The utility model, owing to have employed technique scheme, has following beneficial effect:
1, seal head is processed with step, when after spring-compressed to setting value, does not continue compression with the increase of pump pressure, when mounted seal head is played to the effect of location simultaneously;
2, the first carbide ring and the second carbide ring effectively can resist the long erosion of drilling fluid, and only adopt carbide alloy at easy washed out position, greatly can reduce costs, can play good sealing effectiveness simultaneously;
3, the first discharge orifice can play the effect of drilling fluid in artificial release kelly bar, second discharge orifice plays the effect observed spring cavity, if there is drilling fluid in chamber, then need to change sealing ring, can alleviate spring changes the fatigue failure brought in working chamber internal cause pump pressure simultaneously;
4, seal head scribbles high-abrasive material, effectively can prevent the long-term erosion spool of drilling fluid and affect sealing, because high-abrasive material hardness is higher, when spool is closed, impurity is not enough to make seal spool facial disfigurement, can keep the sealing performance of spool sphere preferably.
The utility model structure is simple, practical, not only reduces kelly bar plash proof valve manufacturing cost, replaceable part, and extends its application life, and splashproof effect is more obvious, substantially increases bit speed.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Fig. 1 is the structural representation of a kind of oil field of the utility model kelly bar plash proof valve;
Fig. 2 is the structural representation of the first clearing apparatus in the utility model;
Fig. 3 is the structural representation in A-A direction in Fig. 2;
Fig. 4 is the structural representation of the second clearing apparatus in the utility model.
In figure: 1-valve body; 2-top connection; 3-lower contact; 4-seal head; 5-wing plate; 6-supports inner sleeve; 7-spool; 8-spring; 9-spring protecting jacket; 10-fairlead; 11-first carbide ring; 12-second carbide ring; 13-first sealing ring; 14-first discharge orifice; 15-second sealing ring; 16-second discharge orifice; 17-first screen pack; 18-first clearing apparatus; 19-second screen pack; 20-second clearing apparatus; 21-fixed head; 22-first guide rod; 23-second guide rod; 24-cleans block; 25-chute; 26-slide block; 27-feeder; 28-cleaning brush; 29-gripper shoe; 30-connecting rod; 31-motor; 32-scraper plate.
Detailed description of the invention
As shown in Figures 1 to 4, for a kind of oil field of the utility model kelly bar plash proof valve, kelly bar plash proof valve comprises valve body 1, top connection 2 and lower contact 3, top connection 2 is fixedly connected on the end face of valve body 1, internal thread is provided with in top connection 2, can realize being threaded with the connecting portion of the kelly bar be connected, make connection more solid and reliable, lower contact 3 is fixedly connected on the bottom surface of valve body 1, the side of lower contact 3 is provided with external screw thread, realization is threaded with bottom parts, improve bonding strength, prevent drilling fluid from leaking, improve its safety, the inside of valve body 1 is provided with spool 7, the end face of spool 7 is provided with seal head 4, seal head 4 scribbles high-abrasive material, effectively can prevent the long-term erosion seal head 4 of drilling fluid and affect sealing effectiveness, because high-abrasive material hardness is higher, when spool 7 is closed, impurity is not enough to make the sealing surface of seal head 4 to be out of shape, the sealing performance of seal head 4 sphere can be kept preferably, the side of seal head 4 is provided with wing plate 5, the end face of wing plate 5 is provided with and supports inner sleeve 6, the side of spool 7 is socketed with spring 8, spring protecting jacket 9 is provided with between spring 8 and spool 7, the first carbide ring 11 and the second carbide ring 12 is provided with between spring 8 and wing plate 5, first carbide ring 11 and the second carbide ring 12 match, the end face of the first carbide ring 11 props up the bottom of seal head 4 and wing plate 5, the bottom surface of the second carbide ring 12 props up spring protecting jacket 9, the below of the second carbide ring 12 is provided with the first sealing ring 13, the below of spring 8 is provided with fairlead 10, fairlead 10 and spool 7 match, the below of fairlead 10 is provided with the second sealing ring 15, valve body 1 is provided with the first discharge orifice 14 and the second discharge orifice 16, first discharge orifice 14 is positioned at the top of the second discharge orifice 16, the upper end of valve body 1 is provided with the first screen pack 17, the top of the first screen pack 17 is provided with the first clearing apparatus 18, first clearing apparatus 18 comprises four fixed heads 21, be connected with the second guide rod 23 respectively by the first guide rod 22 between relative two fixed heads 21, first guide rod 22 is mutually vertical with the second guide rod 23, first guide rod 22 position crossing with the second guide rod 23 is provided with cleans block 24, impurity on first screen pack 17 can be cleared up by the first clearing apparatus 18, prevent the flowing affecting drilling fluid owing to depositing too much, chute 25 is provided with in fixed head 21, first guide rod 22 and the second guide rod 23 all by slide block 26 mobile link in chute 25, slide block 26 and chute 25 match, the first guide rod 22 can be realized and the second guide rod 23 moves in same plane, feeder 27 is provided with in cleaning block 24, the bottom of cleaning block 24 is provided with cleaning brush 28, impurity on first screen pack 17 can be cleaned by cleaning brush 28, and collected by feeder 27, the inside of lower contact 3 is provided with the second screen pack 19, the below of the second screen pack 19 is provided with the second clearing apparatus 20, second clearing apparatus 20 comprises two gripper shoes 29, connecting rod 30 is provided with between two gripper shoes 29, connecting rod 30 is provided with motor 31, motor 31 is rotatably connected to scraper plate 32, the impurity that second screen pack 19 filters can be cleared up, seal head 4 is processed with step, after spring 8 is compressed to setting value, compression is not continued with the increase of pump pressure, when mounted seal head 4 is played to the effect of location simultaneously, seal head 4 is connected by the wing plate 5 that the mode of soldering is uniform with circumference, spring protecting jacket 9 can resist the erosion of drilling fluid, extend its application life, first carbide ring 11 and the second carbide ring 12 effectively can resist the long erosion of drilling fluid, and only adopt carbide alloy at easy washed out position, can greatly reduce costs, good sealing effectiveness can be played simultaneously, fairlead 10 can play effect that is spacing and guiding to spool 7, first discharge orifice 14 can play the effect of drilling fluid in artificial release kelly bar, second discharge orifice 16 plays the effect observed spring 8 chamber, if there is drilling fluid in chamber, then need to change sealing ring, can alleviate spring 8 changes the fatigue failure brought in working chamber internal cause pump pressure simultaneously, first screen pack 17 and the second screen pack 19 effectively prevent granule foreign and enter in plash proof valve and affect its application life.
These are only specific embodiment of the utility model, but technical characteristic of the present utility model is not limited thereto.Any based on the utility model, for realizing substantially identical technique effect, done ground simple change, equivalent replacement or modification etc., be all covered by among protection domain of the present utility model.
Claims (8)
1. an oil field kelly bar plash proof valve, described kelly bar plash proof valve comprises valve body, top connection and lower contact, described top connection is fixedly connected on the end face of described valve body, described lower contact is fixedly connected on the bottom surface of described valve body, it is characterized in that: the inside of described valve body is provided with spool, the end face of described spool is provided with seal head, the side of described seal head is provided with wing plate, the end face of described wing plate is provided with support inner sleeve, the side of described spool is socketed with spring, spring protecting jacket is provided with between described spring and described spool, the first carbide ring and the second carbide ring is provided with between described spring and described wing plate, described first carbide ring and described second carbide ring match, the end face of described first carbide ring props up the bottom of described seal head and described wing plate, the bottom surface of described second carbide ring props up described spring protecting jacket, the below of described second carbide ring is provided with the first sealing ring, the below of described spring is provided with fairlead, described fairlead and described spool match, the below of described fairlead is provided with the second sealing ring, described valve body is provided with the first discharge orifice and the second discharge orifice, described first discharge orifice is positioned at the top of described second discharge orifice, the upper end of described valve body is provided with the first screen pack, and the top of described first screen pack is provided with the first clearing apparatus, and the inside of described lower contact is provided with the second screen pack, and the below of described second screen pack is provided with the second clearing apparatus.
2. a kind of oil field according to claim 1 kelly bar plash proof valve, is characterized in that: be provided with internal thread in described top connection.
3. a kind of oil field according to claim 1 kelly bar plash proof valve, is characterized in that: the side of described lower contact is provided with external screw thread.
4. a kind of oil field according to claim 1 kelly bar plash proof valve, is characterized in that: described seal head scribbles high-abrasive material.
5. a kind of oil field according to claim 1 kelly bar plash proof valve, it is characterized in that: described first clearing apparatus comprises four fixed heads, be connected with the second guide rod respectively by the first guide rod between relative two described fixed heads, described first guide rod is mutually vertical with described second guide rod, and the described first guide rod position crossing with described second guide rod is provided with cleaning block.
6. a kind of oil field according to claim 5 kelly bar plash proof valve, it is characterized in that: in described fixed head, be provided with chute, described first guide rod and described second guide rod all by slide block mobile link in described chute, described slide block and described chute match.
7. a kind of oil field according to claim 5 kelly bar plash proof valve, it is characterized in that: be provided with feeder in described cleaning block, the bottom of described cleaning block is provided with cleaning brush.
8. a kind of oil field according to claim 1 kelly bar plash proof valve, it is characterized in that: described second clearing apparatus comprises two gripper shoes, be provided with connecting rod between two described gripper shoes, described connecting rod is provided with motor, described motor is rotatably connected to scraper plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420429370.2U CN204041000U (en) | 2014-07-31 | 2014-07-31 | A kind of oil field kelly bar plash proof valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420429370.2U CN204041000U (en) | 2014-07-31 | 2014-07-31 | A kind of oil field kelly bar plash proof valve |
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CN204041000U true CN204041000U (en) | 2014-12-24 |
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CN201420429370.2U Expired - Fee Related CN204041000U (en) | 2014-07-31 | 2014-07-31 | A kind of oil field kelly bar plash proof valve |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2535185A (en) * | 2015-02-11 | 2016-08-17 | Weatherford Uk Ltd | Valve assembly |
CN106014277A (en) * | 2016-07-29 | 2016-10-12 | 四川省威尔敦化工有限公司 | Splash-proof connector for drilling mud |
CN106321014A (en) * | 2016-11-23 | 2017-01-11 | 西南石油大学 | Kelly bar check valve nipple based on thrust slopes |
CN112302587A (en) * | 2020-11-24 | 2021-02-02 | 辽宁新华仪器有限公司 | Internal debugging fixed-pressure matching tool |
-
2014
- 2014-07-31 CN CN201420429370.2U patent/CN204041000U/en not_active Expired - Fee Related
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2535185A (en) * | 2015-02-11 | 2016-08-17 | Weatherford Uk Ltd | Valve assembly |
US10538982B2 (en) | 2015-02-11 | 2020-01-21 | Weatherford U.K. Limited | Valve assembly with a filter chamber |
GB2535185B (en) * | 2015-02-11 | 2021-01-13 | Weatherford Uk Ltd | Valve assembly |
CN106014277A (en) * | 2016-07-29 | 2016-10-12 | 四川省威尔敦化工有限公司 | Splash-proof connector for drilling mud |
CN106014277B (en) * | 2016-07-29 | 2018-04-03 | 四川省威沃敦化工有限公司 | Drilling mud splashproof joint |
CN106321014A (en) * | 2016-11-23 | 2017-01-11 | 西南石油大学 | Kelly bar check valve nipple based on thrust slopes |
CN106321014B (en) * | 2016-11-23 | 2018-11-13 | 西南石油大学 | A kind of kelly bar ball-and-seat pipe nipple based on thrust inclined-plane |
CN112302587A (en) * | 2020-11-24 | 2021-02-02 | 辽宁新华仪器有限公司 | Internal debugging fixed-pressure matching tool |
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Legal Events
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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: 20141224 Termination date: 20150731 |
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EXPY | Termination of patent right or utility model |