CN208347734U - Steel wire delivers the unidirectional vibration blanking plug of formula - Google Patents
Steel wire delivers the unidirectional vibration blanking plug of formula Download PDFInfo
- Publication number
- CN208347734U CN208347734U CN201820761775.4U CN201820761775U CN208347734U CN 208347734 U CN208347734 U CN 208347734U CN 201820761775 U CN201820761775 U CN 201820761775U CN 208347734 U CN208347734 U CN 208347734U
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- CN
- China
- Prior art keywords
- blocking valve
- locking
- packing element
- blanking plug
- landing nipple
- 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 relates to a kind of steel wires to deliver the unidirectional vibration blanking plug of formula.Mainly solve the problems, such as that existing blanking plug sets not tight, blanking plug and may be hurted sb.'s feelings by scurrying out in oil pipe, cannot be blocked well head.It is characterized by: the fishing cap (1) bottom connection locking mandrel (2), locking mandrel (2) is external to be cased with landing nipple (4), and landing nipple (4) bottom outside is connected with locking cylinder (7)；Locking cylinder (7) bottom is contacted with slips (9), slips (9) bottom is contacted with upper packing element block (10), upper packing element block (10) bottom is equipped with the opposite upper and lower blocking valve in direction, it is upper and lower to stop to be equipped with packing element between valve, lower blocking valve (18) is externally connected to lower rubber cylinder block (19), is equipped with thrust bearing (20) between lower rubber cylinder block (19) and pedestal (21).The blanking plug is set sternly, and the accident that blanking plug is scurried out will not occur, and can be thrown and be blocked up at well head oil pipe hanger, to block well head.
Description
Technical field
The utility model relates to oilfield, specifically a kind of steel wire delivers the unidirectional vibration blanking plug of formula.
Background technique
Blanking plug used in oil field is blocked by safety pin mostly at present, and when safety pin fracture, packing element cannot be abundant
Distending causes to set not sternly, and blanking plug may occur by the accident hurted sb.'s feelings of scurrying out in oil pipe；Meanwhile the position of closure is on the lower,
Well head cannot be blocked.
Summary of the invention
It may be hurted sb.'s feelings by scurrying out in oil pipe in order to overcome existing blanking plug to set not tight, blanking plug, well head cannot be blocked
Deficiency, the utility model provides a kind of steel wire and delivers the unidirectional vibration blanking plug of formula, which sets sternly, will not block
The accident that device is scurried out can throw at well head oil pipe hanger and block up, to block well head.
The technical solution of the utility model is: a kind of steel wire delivery unidirectional vibration blanking plug of formula, including fishing cap, the fishing cap
Bottom connects locking mandrel, is cased with landing nipple outside locking mandrel, landing nipple bottom outside is connected with locking cylinder, locking cylinder
Inside is equipped with locking tooth, and locks tooth and be threadedly coupled with locking mandrel, locks and is equipped with lock between crest portion and landing nipple bottom surface
Tight spring；The locking cylinder bottom is contacted by the conical surface with slips, and slips bottom is contacted by the conical surface with upper packing element block, described
Upper packing element stop bottom is equipped with upper blocking valve, and upper blocking valve seat is equipped with inside upper blocking valve, and upper blocking valve seat bottom is equipped with gluing
Cylinder, upper packing element bottom are in contact by the conical surface with packing element diverging cone, and packing element diverging cone bottom is equipped with lower rubber cylinder, lower rubber cylinder bottom
Portion is equipped with lower blocking valve seat, and lower blocking valve seat bottom is equipped with lower blocking valve, and the lower blocking valve is externally connected to lower rubber cylinder block,
Thrust bearing is equipped between lower rubber cylinder block and pedestal.
The upper blocking valve bottom is to be inclined outwardly tubaeform, and bottom outer wall is provided with longitudinal opening.
The landing nipple top is provided with the groove of several vertical directions, and groove, which is built-in with, lays particular stress on positioning support tooth, partially
Reorientation supporting tooth is connected to landing nipple by pin shaft, and lays particular stress on and be equipped with spring between positioning support tooth and landing nipple.
The utility model has the following beneficial effects: the blanking plug is delivered by steel wire due to taking above scheme, above mention
It blocks, blocks reliably, the accident that blanking plug is scurried out will not occur；Meanwhile block-up position can be selected as needed, it when necessary can be
It throws and blocks up at tubing hanger, to realize closure well head.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the sectional view of the A-A along Fig. 1；
Fig. 3 is upper blocking valve and the upper main view for stopping valve seat；
Fig. 4 is upper blocking valve and the upper bottom view for stopping valve seat.
1- fishes out cap, 2- locking mandrel in figure, and 3- lays particular stress on positioning support tooth, 4- landing nipple, 5- locking spring, 6- locking
Tooth, 7- locking cylinder, 8- tension spring, 9- slips, 10- upper packing element block stop valve on 11-, stop valve seat on 12-, the upper packing element of 13-,
14- resets mandrel, and 15- packing element diverging cone stops valve seat under 16-, stops valve, 19- lower rubber cylinder block, 20- thrust shaft under 18-
It holds, 21- pedestal.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
As shown in Fig. 1 to Fig. 4, a kind of steel wire delivery unidirectional vibration blanking plug of formula, including fishing cap 1,1 bottom of fishing cap connect
Locking mandrel 2 is connect, landing nipple 4 is cased with outside locking mandrel 2,4 bottom outside of landing nipple is connected with locking cylinder 7, locking cylinder 7
Inside is equipped with locking tooth 6, and locks tooth 6 and be threadedly coupled with locking mandrel 2, and locking 6 bottom of tooth is withstood in locking cylinder 7, locks tooth 6
Locking spring 5 is equipped between 4 bottom surface of top and landing nipple.7 bottom of locking cylinder is contacted by the conical surface with slips 9, and is blocked
Watts 9 outsides are equipped with tension spring 8, and 9 bottom of slips is contacted by the conical surface with upper packing element block 10, and upper 10 bottom of packing element block is horn mouth
Shape, horn mouth is interior to be equipped with upper blocking valve 11, is equipped with upper blocking valve seat 12 inside upper blocking valve 11, upper 12 bottom of blocking valve seat is set
There is upper packing element 13, and is equipped with inside upper packing element 13 and resets mandrel 14.13 bottom of upper packing element passes through the conical surface and packing element spreader cone
Body 15 is in contact, and 15 bottom of packing element diverging cone is equipped with lower rubber cylinder 16, and 15 upper and lower ends of packing element diverging cone are the cone of protrusion
Face, the conical surface are matched with upper and lower packing element respectively.16 bottom of lower rubber cylinder is equipped with lower blocking valve seat 17, lower 17 bottom of blocking valve seat
Portion is equipped with lower blocking valve 18, and lower blocking valve seat 17 is identical as upper blocking valve 12 structures of seat, contrary, similarly, lower blocking valve 18
It is opposite with the upper 11 structure same direction of blocking valve.It is upper and lower to stop valve that play the role of protecting packing element.The lower blocking valve 18
It is externally connected to lower rubber cylinder block 19, thrust bearing 20 is equipped between lower rubber cylinder block 19 and pedestal 21, makes lower rubber cylinder block 19
It can mutually be rotated between pedestal 21.
Upper blocking 11 bottom of valve is to be inclined outwardly tubaeform, and bottom outer wall is provided with longitudinal opening, so that loudspeaker
Flexible at mouth, upper blocking valve seat 12, which is placed in, to be stopped in valve 11, and upper 12 bottom of blocking valve seat is also toroidal, upper packing element
13 upper ends are placed in the horn mouth for stopping valve seat 12.16 bottom of lower rubber cylinder is identical as above structure, contrary.The positioning
4 outer surface vertical direction of connector is provided with groove, and groove is along the circumferential direction uniformly distributed 3, and has been connected by screw in groove
Positioning support tooth 3 is laid particular stress on, and lays particular stress on and is equipped with spring between positioning support tooth 3 and landing nipple 4, when making blanking plug downlink, is laid particular stress on
Positioning support tooth 3 retracts, and when uplink, lays particular stress on positioning support tooth 3 and opens under the action of the spring.
The blanking plug is connected to delivery tool bottom, is passed to block-up position by delivery tool, blanking plug depth is located at
1-2 meters under block-up position.Tool string is above mentioned, the weighting positioning support tooth 3 on landing nipple 4 flicks under the action of the spring,
It withstanding on and stops moving up in tubing coupling, fishing cap 1 drives locking mandrel 2 to continue uplink, and 9 distending of slips is stuck on oil pipe, after
Improve and hit on continuous, slips 9 is sufficiently contacted with oil pipe, and packing element distending, the mouth that drives a well tests envelope, if having overflow can continue on improve and hit, make
The abundant distending of packing element, to realize sealing.When recycling tool after oil pipe rises, since the blanking plug bottom is equipped with thrust bearing
20, it can be convenient disassembly, so that packing element be protected not damage, keep reset condition.
Claims (3)
1. a kind of steel wire delivers the unidirectional vibration blanking plug of formula, including fishing cap (1), it is characterised in that: the connection of the fishing cap (1) bottom
Locking mandrel (2), locking mandrel (2) is external to be cased with landing nipple (4), and landing nipple (4) bottom outside is connected with locking cylinder
(7), it is equipped with locking tooth (6) inside locking cylinder (7), and locks tooth (6) and is threadedly coupled with locking mandrel (2), at the top of locking tooth (6)
Locking spring (5) are equipped between landing nipple (4) bottom surface；Locking cylinder (7) bottom is contacted by the conical surface with slips (9),
Slips (9) bottom is contacted by the conical surface with upper packing element block (10), and upper packing element block (10) bottom is equipped with upper blocking valve
(11), upper blocking valve seat (12) is equipped with inside upper blocking valve (11), upper blocking valve seat (12) bottom is equipped with upper packing element (13), gluing
Cylinder (13) bottom is in contact by the conical surface with packing element diverging cone (15), and packing element diverging cone (15) bottom is equipped with lower rubber cylinder
(16), lower rubber cylinder (16) bottom is equipped with lower blocking valve seat (17), and lower blocking valve seat (17) bottom is equipped with lower blocking valve (18), described
Lower blocking valve (18) is externally connected to lower rubber cylinder block (19), and thrust bearing is equipped between lower rubber cylinder block (19) and pedestal (21)
(20).
2. steel wire according to claim 1 delivers the unidirectional vibration blanking plug of formula, it is characterised in that: the upper blocking valve (11)
Bottom is to be inclined outwardly tubaeform, and bottom outer wall is provided with longitudinal opening.
3. steel wire according to claim 2 delivers the unidirectional vibration blanking plug of formula, it is characterised in that: the landing nipple (4)
Top is provided with the groove of several vertical directions, and groove, which is built-in with, lays particular stress on positioning support tooth (3), and it is logical to lay particular stress on positioning support tooth (3)
It crosses pin shaft to be connected to landing nipple (4), and lays particular stress on and be equipped with spring between positioning support tooth (3) and landing nipple (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820761775.4U CN208347734U (en) | 2018-05-21 | 2018-05-21 | Steel wire delivers the unidirectional vibration blanking plug of formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820761775.4U CN208347734U (en) | 2018-05-21 | 2018-05-21 | Steel wire delivers the unidirectional vibration blanking plug of formula |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208347734U true CN208347734U (en) | 2019-01-08 |
Family
ID=64890369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820761775.4U Active CN208347734U (en) | 2018-05-21 | 2018-05-21 | Steel wire delivers the unidirectional vibration blanking plug of formula |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208347734U (en) |
-
2018
- 2018-05-21 CN CN201820761775.4U patent/CN208347734U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |