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CN217558308U - Porous injection fracturing head for fracturing wellhead equipment - Google Patents

Porous injection fracturing head for fracturing wellhead equipment Download PDF

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Publication number
CN217558308U
CN217558308U CN202221699834.2U CN202221699834U CN217558308U CN 217558308 U CN217558308 U CN 217558308U CN 202221699834 U CN202221699834 U CN 202221699834U CN 217558308 U CN217558308 U CN 217558308U
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China
Prior art keywords
fracturing
hole
injection hole
fracturing head
injection
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CN202221699834.2U
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Chinese (zh)
Inventor
陈木香
王增勇
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Nanjing Weiye Machinery Co Ltd
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Nanjing Weiye Machinery Co Ltd
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Abstract

The application discloses a multi-hole injection fracturing head for fracturing wellhead equipment, which comprises a fracturing head main body, a communication port, a first injection hole, a second injection hole, an upper injection hole, a lower injection hole and a sealing mechanism, wherein the first injection hole is communicated with the second injection hole; the front side surface of the fracturing head main body is provided with a communication port, the top end surface of the fracturing head main body is provided with an upper injection hole, the bottom side surface of the fracturing head main body is provided with a lower injection hole, the left side surface of the fracturing head main body is fixedly communicated with a first injection hole, and the right side surface of the fracturing head main body is fixedly communicated with a second injection hole; sealing mechanism includes first go-between, second go-between, screw post, nut, connection pad, communicating pipe, a intercommunication section of thick bamboo and ring packing, second go-between fixed connection is at first main part side surface of fracturing, the laminating of second go-between side surface has first go-between, first go-between side surface fixed connection has the screw post, screw post surface threaded connection has the nut, and this kind of porous injection fracturing head is novel in design, simple structure.

Description

Porous injection fracturing head for fracturing wellhead equipment
Technical Field
The utility model relates to a fracturing wellhead equipment is with porous injection fracturing head belongs to fracturing head technical field.
Background
In the field of petroleum, fracturing refers to a method for forming cracks in oil and gas layers by utilizing the action of water power in the process of oil extraction or gas production, and is also called hydraulic fracturing; fracturing is to artificially crack a stratum, improve the flowing environment of oil in the underground and increase the yield of an oil well, and plays an important role in improving the flowing condition of the bottom of the oil well, slowing down interlamination and improving the oil layer utilization condition; the ground tool equipment for fracturing mainly comprises a well sealer, a wellhead ball valve, a ball injector, a movable elbow, an union, a wax ball manifold, a fracturing manifold and the like, and is a ground control tool above a wellhead.
In the prior art, the sealing connection effect of a fracturing head injection hole is not ideal, the liquid leakage is easy to occur, the practicability is reduced, and the use requirement cannot be met. Therefore, a multi-hole injection fracturing head for fracturing wellhead equipment is provided to solve the problems.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art's defect, provide a fracturing wellhead equipment is with porous injection fracturing head.
In order to solve the technical problem, the utility model provides a multi-hole injection fracturing head for fracturing wellhead equipment, which comprises a fracturing head main body, a communication port, a first injection hole, a second injection hole, an upper injection hole, a lower injection hole and a sealing mechanism; the front side surface of the fracturing head main body is provided with a communication port, the top end surface of the fracturing head main body is provided with an upper injection hole, the bottom side surface of the fracturing head main body is provided with a lower injection hole, the left side surface of the fracturing head main body is fixedly communicated with a first injection hole, and the right side surface of the fracturing head main body is fixedly communicated with a second injection hole;
sealing mechanism includes first connecting ring, second go-between, threaded column, nut, connection pad, communicating pipe, a intercommunication section of thick bamboo and ring type seal, second connecting ring fixed connection is in the first main part side surface of fracturing, the laminating of second go-between side surface has first connecting ring, first connecting ring side surface fixedly connected with threaded column, threaded column surface threaded connection has the nut, the fixed connection pad that has cup jointed of first connecting ring, the fixed intercommunication of connection pad side surface has communicating pipe, a connection pad right side fixedly connected with communicating pipe, the ring channel has been seted up on a intercommunication section of thick bamboo side surface, ring type seal has been placed in the ring channel.
Furthermore, the number of the annular grooves is a plurality, and the annular grooves are distributed at equal intervals.
Furthermore, a through hole is formed in the communicating cylinder between the adjacent annular grooves, and an oil injection valve is embedded in the through hole.
Furthermore, a communicating pipe fixedly connected with one side of the connecting disc is communicated with a communicating cylinder fixedly connected with the other side of the connecting disc.
Furthermore, one end of the threaded column penetrates through the side surface of the second connecting ring in a sliding mode, and a nut in threaded connection with the surface of the threaded column is attached to the side surface of the second connecting ring.
Furthermore, the side surface of the first connecting ring is fixedly connected with two threaded columns, and the two threaded columns are symmetrically arranged.
Furthermore, the communicating cylinder is inserted into the inner cavities of the first injection hole and the second injection hole.
Furthermore, the number of the annular sealing rings is a plurality, and the adjacent annular sealing rings are arranged in parallel.
Furthermore, the cross section of the ring-shaped sealing ring is of a circular ring-shaped structure, and the side surface of the ring-shaped sealing ring is attached to the inner cavity of the first injection hole.
Furthermore, the depth of the annular groove is larger than the section radius of the annular sealing ring and smaller than the section diameter of the annular sealing ring.
Cotton swab protection machanism includes top cap, connecting cylinder, screw thread post and cotton swab main part, the top cap block is connected on the sampling pipe top, top cap top side inner wall fixedly connected with connecting cylinder, connecting cylinder inner chamber threaded connection has the screw thread post, screw thread post bottom end fixedly connected with cotton swab main part.
The utility model discloses the beneficial effect who reaches:
the utility model discloses a sealing mechanism, it is unsatisfactory to have solved the first filling hole sealing connection effect of fracturing, the condition of weeping takes place easily, the practicality is reduced, can not satisfy the problem of user demand, place the spacing groove at intercommunication section of thick bamboo side surface with ring seal, ensure ring seal and stably cup joint at a intercommunication section of thick bamboo surface, ring seal and the laminating of second filling hole inner chamber that intercommunication section of thick bamboo outside surface cup jointed, the leakproofness of connecting is improved, laminate first go-between and second go-between, the screw thread post runs through second go-between side surface, through swivel nut, nut threaded connection is on screw thread post surface, be convenient for fix first go-between and second go-between with first go-between stable, satisfy the user demand, through dismantling the nut, separate first go-between and second go-between, be convenient for carry out the dismantlement operation, satisfy worker's user demand.
Drawings
FIG. 1 is a schematic overall perspective view of an embodiment of the present application;
FIG. 2 is an overall cross-sectional front view of an embodiment of the present application;
FIG. 3 is an enlarged view of a portion of the structure at A in FIG. 2 according to an embodiment of the present application;
FIG. 4 is a schematic front cross-sectional view of an alternative embodiment of the present application;
fig. 5 is an enlarged partial structural diagram of a portion B in fig. 4 as a whole according to another embodiment of the present application.
In the figure: 1. a fracturing head body; 2. a communication port; 3. a first injection hole; 4. a communicating pipe; 5. a connecting disc; 6. a first connecting ring; 7. a second connection ring; 8. a nut; 9. a threaded post; 10. a communication cylinder; 1001. an annular groove; 11. an annular seal ring; 12. a second injection hole; 13. an upper injection hole; 14. a lower injection hole; 15. an oil filling valve; 16 through holes; 17 oil liquid.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby. It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Moreover, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as the case may be.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "coupled" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict.
The following describes the multi-hole injection fracturing head of the examples of the present application.
Embodiment 1, please refer to fig. 1-3, a multi-hole injection fracturing head for a fracturing wellhead device includes a fracturing head body 1, a communication port 2, a first injection hole 3, a second injection hole 12, an upper injection hole 13, a lower injection hole 14, and a sealing mechanism; the front side surface of the fracturing head main body 1 is provided with a communication port 2, the top end surface of the fracturing head main body 1 is provided with an upper injection hole 13, the bottom side surface of the fracturing head main body 1 is provided with a lower injection hole 14, the left side surface of the fracturing head main body 1 is fixedly communicated with a first injection hole 3, and the right side surface of the fracturing head main body 1 is fixedly communicated with a second injection hole 12;
sealing mechanism includes first go-between 6, second go-between 7, screw post 9, nut 8, connection pad 5, communicating pipe 4, a intercommunication section of thick bamboo 10 and ring packing 11, second go-between 7 fixed connection is in the 1 side surface of fracturing head main part, the laminating of second go-between 7 side surface has first go-between 6, the fixedly connected with screw post 9 of 6 side surfaces of first go-between, screw post 9 surface thread connection has nut 8, first connection ring 6 is fixed to have cup jointed connection pad 5, the fixedly connected with communicating pipe 4 of 5 side surfaces of connection pad, the fixedly connected with a communicating section of thick bamboo 10 in the right side of connection pad 5, ring channel 1001 has been seted up to a communicating section of thick bamboo 10 side surface, ring packing 11 has been placed in the ring channel 1001, places ring packing 11 in the spacing groove of a communicating section of thick bamboo 10 side surface, and guarantee ring packing 11 stably cup joints in a communicating section of thick bamboo 10 surface, and the laminating of ring packing 11 and the inner chamber 12 of second filling that the surface cup jointed outside of a communicating section of thick bamboo 10, improves the leakproofness of connection.
The communicating pipe 4 fixedly connected with one side of the connecting disc 5 is communicated with the communicating cylinder 10 fixedly connected with the other side of the connecting disc 5, one end of the threaded column 9 slidably penetrates through the side surface of the second connecting ring 7, and a nut 8 in threaded connection with the surface of the threaded column 9 is attached to the side surface of the second connecting ring 7, so that the communicating cylinder is convenient to communicate and use; two threaded columns 9 are fixedly connected to the side surface of the first connecting ring 6, the two threaded columns 9 are symmetrically arranged, and the communicating cylinder 10 is inserted into the inner cavities of the first injection hole 3 and the second injection hole 12; the number of the annular grooves 1001 is several, and the adjacent annular grooves 1001 are distributed at equal intervals, so that the annular grooves 1001 can be conveniently used; 11 figure of ring type seal is a plurality of, and is adjacent 11 parallel placements of ring type seal, 11 cross-sections of ring type seal are ring column structure, 11 side surfaces of ring type seal and the laminating of 3 inner chambers of first filling hole, the sealed operation of being convenient for, first filling hole is 60 with the contained angle of intercommunication mouth 2, the second filling hole is 60 with the contained angle of intercommunication mouth 2, the operation of being convenient for is used.
The degree of depth of ring channel 1001 is greater than the section radius that ring seal 11 is less than ring seal 11's cross-sectional diameter for ring seal 11 can wait to block in ring channel 1001 when the installation, when can guaranteeing to seal, can not drop when guaranteeing to move in the filling hole or drag outward when equipment or when dismantling.
The utility model discloses when using, place annular seal ring 11 in the spacing groove of a intercommunication section of thick bamboo 10 side surface, guarantee annular seal ring 11 stably cup joints on a intercommunication section of thick bamboo 10 surface, laminate first connecting ring 6 and second go-between 7, threaded post 9 runs through second go-between 7 side surfaces, connection pad 5 drives a fixed connection's a intercommunication section of thick bamboo 10 and inserts first filling hole 3 and second filling hole 12 inner chamber simultaneously, the laminating of annular seal ring 11 and second filling hole 12 inner chambers that the outside surface of a intercommunication section of thick bamboo 10 cup jointed, the leakproofness of connecting is improved, through swivel nut 8, nut 8 threaded connection is on threaded post 9 surfaces, be convenient for with first connecting ring 6 and second go-between 7 fixed stable, and through dismantling nut 8, separate first connecting ring 6 and second go-between 7, be convenient for dismantle the operation, satisfy worker's user demand, and convenient to use.
Embodiment 2, as shown in fig. 4 and 5, discloses a multi-hole injection fracturing head for a fracturing wellhead device, which is different from embodiment 1 in that a through hole 16 is formed in a communication cylinder 10 between adjacent annular grooves 1001, and an oil filling valve 15 is embedded in the through hole 16. After a communicating cylinder 10 is pushed to an injection hole, an oil injection valve 15 in the communicating cylinder 10 is opened from the opening of the injection hole, oil 17 is input, the oil enters a gap between adjacent annular sealing rings 11 through a through hole 16, the oil injection valve 15 is closed after the gap is filled, so that the oil 17 is filled between the adjacent annular sealing rings 11, the pressure of flowing oil in the specific using process is balanced, the unilateral extrusion to the annular sealing rings 11 is reduced, the service life is prolonged, in addition, the oil injection valve 15 is embedded in the through hole 16, and the impact of the oil to the side surface of the oil injection valve during working can be reduced.
The application has the advantages that:
1. the multi-hole injection fracturing head is novel in design and simple in structure, the annular sealing ring 11 is placed in the limiting groove in the side surface of the communicating cylinder 10, the annular sealing ring 11 is guaranteed to be stably sleeved on the surface of the communicating cylinder 10, the thickness of the annular sealing ring 11 is higher than the depth of the limiting groove, the annular sealing ring 11 sleeved on the outer side surface of the communicating cylinder 10 is enabled to be tightly attached to the inner cavity of the second injection hole 12, and the connection sealing performance is improved; the utility model discloses a concrete sealing washer condition can be observed in the dismouting of a intercommunication section of thick bamboo 10, can carry out the change and the maintenance of sealing washer according to the condition, and is convenient and accurate.
2. With the laminating of first go-between 6 and second go-between 7, screw post 9 runs through the side surface of second go-between 7, through swivel nut 8, nut 8 threaded connection is on screw post 9 surface, is convenient for fix stably with first go-between 6 and second go-between 7, satisfies the user demand.
3. When using, through dismantling nut 8, with first go-between 6 and the separation of second go-between 7, be convenient for dismantle the operation, satisfy worker's user demand, the practicality value is higher, is fit for using widely.
4. The service life of the annular seal ring 11 can be improved.
It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. The utility model provides a fracturing wellhead equipment is with porous injection fracturing head which characterized in that: the fracturing head comprises a fracturing head main body (1), a communication opening (2), a first injection hole (3), a second injection hole (12), an upper injection hole (13), a lower injection hole (14) and a sealing mechanism; the front side surface of the fracturing head main body (1) is provided with a communication port (2), the top end surface of the fracturing head main body (1) is provided with an upper injection hole (13), the bottom side surface of the fracturing head main body (1) is provided with a lower injection hole (14), the left side surface of the fracturing head main body (1) is fixedly communicated with a first injection hole (3), and the right side surface of the fracturing head main body (1) is fixedly communicated with a second injection hole (12);
sealing mechanism includes first go-between (6), second go-between (7), screw post (9), nut (8), connection pad (5), communicating pipe (4), a intercommunication section of thick bamboo (10) and ring packing (11), second go-between (7) fixed connection is in fracturing head main part (1) side surface, the laminating of second go-between (7) side surface has first go-between (6), first connect-between (6) side surface fixedly connected with screw post (9), screw post (9) surface threaded connection has nut (8), first connect-between (6) fixed connection pad (5) have been cup jointed, connection pad (5) outside fixed intercommunication has communicating pipe (4), the inboard fixedly connected with intercommunication section of thick bamboo (10) of connection pad (5), ring channel (1001) have been seted up to a intercommunication section of thick bamboo (10) side surface, ring packing (11) have been placed in ring channel (1001).
2. The multi-hole injection fracturing head for a fracturing wellhead equipment of claim 1, wherein: the number of the annular grooves (1001) is a plurality, and the adjacent annular grooves (1001) are distributed at equal intervals.
3. The multi-hole injection fracturing head for a fracturing wellhead device of claim 2, wherein: a through hole (16) is formed in the communicating barrel (10) between the adjacent annular grooves (1001), and an oil filling valve (15) is embedded in the through hole (16).
4. The multi-hole injection fracturing head for a fracturing wellhead equipment of claim 1, wherein: the communicating pipe (4) fixedly connected with one side of the connecting disc (5) is communicated with the communicating cylinder (10) fixedly connected with the other side of the connecting disc (5).
5. The multi-hole injection fracturing head for fracturing wellhead equipment of claim 1, wherein: one end of the threaded column (9) penetrates through the side surface of the second connecting ring (7) in a sliding mode, and a nut (8) in threaded connection with the surface of the threaded column (9) is attached to the side surface of the second connecting ring (7).
6. The multi-hole injection fracturing head for a fracturing wellhead equipment of claim 1, wherein: two threaded columns (9) are fixedly connected to the side surface of the first connecting ring (6), and the two threaded columns (9) are symmetrically arranged.
7. The multi-hole injection fracturing head for fracturing wellhead equipment of claim 1, wherein: the communicating cylinder (10) is inserted into the inner cavities of the first injection hole (3) and the second injection hole (12).
8. The multi-hole injection fracturing head for a fracturing wellhead equipment of claim 1, wherein: the number of the annular sealing rings (11) is a plurality, and the adjacent annular sealing rings (11) are arranged in parallel.
9. The multi-hole injection fracturing head for fracturing wellhead equipment of claim 1, wherein: the section of the ring-shaped sealing ring (11) is of a circular ring-shaped structure, and the side surface of the ring-shaped sealing ring (11) is attached to the inner cavity of the first injection hole (3).
10. The multi-hole injection fracturing head for fracturing wellhead equipment of claim 1, wherein: the depth of the annular groove (1001) is larger than the section radius of the annular sealing ring (11) and smaller than the section diameter of the annular sealing ring (11).
CN202221699834.2U 2022-06-30 2022-06-30 Porous injection fracturing head for fracturing wellhead equipment Active CN217558308U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221699834.2U CN217558308U (en) 2022-06-30 2022-06-30 Porous injection fracturing head for fracturing wellhead equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221699834.2U CN217558308U (en) 2022-06-30 2022-06-30 Porous injection fracturing head for fracturing wellhead equipment

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CN217558308U true CN217558308U (en) 2022-10-11

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU229964U1 (en) * 2024-08-05 2024-11-06 Товарищество с ограниченной ответственностью "Темир Энерджи Централ Эйжа" HIGH PRESSURE FRACTURING HEAD

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU229964U1 (en) * 2024-08-05 2024-11-06 Товарищество с ограниченной ответственностью "Темир Энерджи Централ Эйжа" HIGH PRESSURE FRACTURING HEAD

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