CN206801514U - A kind of efficient device for fracturing wellhead - Google Patents
A kind of efficient device for fracturing wellhead Download PDFInfo
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- CN206801514U CN206801514U CN201720526512.0U CN201720526512U CN206801514U CN 206801514 U CN206801514 U CN 206801514U CN 201720526512 U CN201720526512 U CN 201720526512U CN 206801514 U CN206801514 U CN 206801514U
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- Prior art keywords
- gate valve
- pressure break
- flat gate
- fracturing
- head
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Abstract
It the utility model is related to a kind of efficient device for fracturing wellhead, adpting flange is provided with including adapter flange, the first flat gate valve, the second flat gate valve, fracturing head, adpting flange, fixed bolt hole, the first regulation handle, the second regulation handle, vertical pressure break passage, lateral pressure break passage, vertical union head, lateral union head and connecting bolt, the upper and lower end parts of the adapter flange, the first flat gate valve and the second flat gate valve;Fixed bolt hole is offered on the adpting flange;The lower end of second flat gate valve is connected with the upper end of the first flat gate valve;The lower end of first flat gate valve is connected with the upper end of adapter flange;The fracturing head is fixedly connected on the top of the second flat gate valve;The center upright side of the fracturing head sets up vertical pressure break passage;Lateral pressure break passage is provided with the side surface direction of the fracturing head.The utility model can provide that a kind of sealing is safe and reliable, handwheel switch torque is small, fracturing effect is good, efficient device for fracturing wellhead applied widely and effectively improving oil reservoir exploitation rate and recovery ratio.
Description
Technical field
It the utility model is related to oil exploitation equipment technology field, and in particular to a kind of efficient device for fracturing wellhead.
Background technology
It is current technology state-of-the-art in the world by horizontal well progress multistage subsection pressure break in oilfield development process, generation
Table the developing direction of oil recovery gas producing technology technology, so-called multistage subsection fracturing technique, is exactly horizontal hole in pit shaft interior edge
Direction, it is strict with technical measures on preferably several or more horizontal segments of reservoir properties according to reservoir characteristics and reservoir characteristic
Preforation tunnel quantity, aperture and perforation phase are controlled, by a pressing crack construction, while presses off several or more horizontal segment oil reservoirs
Technology.For tight sand and shale oil gas, only increase the discouraged volume of its draining and area could be mined, and
Horizontal well multistage subsection fracturing technique, exactly reach this purpose, improve the core technology of well yield, so fracture well head fills
Put is that oil field emphasis well carries out extensive, high discharge capacity, the essential product of bull injection fracture acidizing stimulation work.
Utility model content
The purpose of the utility model is to provide one kind for overcome the deficiencies in the prior art and seal safe and reliable, handwheel switch
Torque is small, fracturing effect is good, efficient device for fracturing wellhead applied widely and effectively improving oil reservoir exploitation rate and recovery ratio.
To reach above-mentioned purpose, the utility model employs following technical scheme.
A kind of efficient device for fracturing wellhead, including adapter flange, the first flat gate valve, the second flat gate valve, fracturing head, company
Acting flange, fixed bolt hole, the first regulation handle, the second regulation handle, vertical pressure break passage, lateral pressure break passage, vertically by
Nonyl head, lateral union head and connecting bolt, the upper and lower end parts of the adapter flange, the first flat gate valve and the second flat gate valve are equal
It is provided with adpting flange;Fixed bolt hole is offered on the adpting flange;The lower end and first of second flat gate valve
The upper end of flat gate valve is connected;The lower end of first flat gate valve is connected with the upper end of adapter flange;The fracturing head
It is fixedly connected on the top of the second flat gate valve;The center upright side of the fracturing head sets up vertical pressure break passage;It is described
Lateral pressure break passage is provided with the side surface direction of fracturing head;The top of the vertical pressure break passage and lateral pressure break passage difference
Vertical union head and lateral union head are connected with by connecting bolt.
Further improved as the utility model, the quantity of the vertical pressure break passage is one, the lateral pressure break
The quantity of passage is four.
It is further improved as the utility model, the vertical pressure break passage and vertical union head, lateral pressure break passage
Metal sealing cushion ring is mounted on the junction of lateral union head.
Due to the utilization of above-mentioned technical proposal, the utility model has following advantages compared with prior art:This practicality is new
Type scheme can connect the adapter flange of different-diameter according to different size of well head situation, have by setting adapter flange
Improve the advantageous effects of the scope of application of equipment;The technical program is also provided with flat gate valve, can run into abnormal feelings
Closed during condition, and be provided with two sets simultaneously, can not be opened and closed when avoiding one of break down, improve device
The advantageous effects of security and job stability;The technical program is also provided with six logical fracturing heads, is respectively provided with four
Lateral pressure break passage and lateral union head, a vertical pressure break passage and vertical union head, having can realize that porous channel can
A fracturing work is completed to inject different fracturing fluids simultaneously, improves the pressure break ability of equipment and the beneficial skill of operating efficiency
Art effect.
Brief description of the drawings
Technical solutions of the utility model are described further below in conjunction with the accompanying drawings:
Accompanying drawing 1 is overall structure diagram of the present utility model;
Accompanying drawing 2 is vertical union head of the present utility model and lateral union head arrangement relation schematic diagram.
In figure:1. adapter flange;2. the first flat gate valve;3. the second flat gate valve;4. fracturing head;5. adpting flange;6.
Fixed bolt hole;7. the first regulation handle;8. the second regulation handle;9. vertical pressure break passage;10. lateral pressure break passage;It is 11. perpendicular
To union head;12. lateral union head;13. connecting bolt;14. metal sealing cushion ring.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment the utility model is described in further detail.
A kind of efficient device for fracturing wellhead as shown in Figure 1, including adapter flange 1, the first flat gate valve 2, second are flat
Plate gate valve 3, fracturing head 4, adpting flange 5, fixed bolt hole 6, the first regulation handle 7, the second regulation handle 8, vertical pressure break are led to
Road 9, lateral pressure break passage 10, vertical union are first 11, lateral union is first 12, connecting bolt 13 and metal sealing cushion ring 14, described
The upper and lower end parts of adapter flange 1, the first flat gate valve 2 and the second flat gate valve 3 are provided with adpting flange 5;The connection method
Fixed bolt hole 6 is offered on orchid 5;The lower end of second flat gate valve 3 is connected with the upper end of the first flat gate valve 2;
The lower end of first flat gate valve 2 is connected with the upper end of adapter flange 1;The fracturing head 4 is fixedly connected on the second flat board
The top of gate valve 3;The center upright side of the fracturing head 4 sets up vertical pressure break passage 9;The side side of the fracturing head 4
Lateral pressure break passage 10 is set up;The top of the vertical pressure break passage 9 and lateral pressure break passage 10 passes through connection respectively
Bolt 13 is connected with vertical union first 11 and lateral union first 12;The quantity of the vertical pressure break passage 9 is one, described lateral
The quantity of pressure break passage 10 is four;The vertical pressure break passage 9 is first with vertical union 11, lateral pressure break passage 10 with laterally by
The junction of nonyl first 12 is mounted on metal sealing cushion ring 14.
When needing to carry out fracturing work toward shaft bottom, first tubing head big four is arranged on casing head, afterwards successively
Fracturing sleeve pipe, it is connected finally by airtight closure with boll-weevil hanger, it is setting at the endoporus of tubing head big four top;Again
Install metallic packing ring, adapter flange, adapter flange has plurality of specifications, can be respectively configured a variety of latus rectums less than 103mm and
The low 105MPa of a variety of pressure well head, runs into different well heads, as long as changing corresponding adapter flange can utilizes a set of
Well head can completes corresponding pressure break task.
Generally flat gate valve is to be in normally open during fracturing work, can be quick when there is abnormal conditions
Flat gate valve is closed, the flank of six formula fracturing heads there are four interface pipelines, can be that staged fracturing carries out manifold connection preparation;Become
The top of footpath flange is respectively provided with corresponding interface, can facilitate and is quickly connected with pumping bridging plug spraying-preventing system of logging well, pressure break is completed
After need to carry out open flow operation, the valve open flow wellhead assembly of corresponding model can be used;Six logical upper connecting pipelines facilitate removable lay down.
It the above is only concrete application example of the present utility model, do not form any limit to the scope of protection of the utility model
System.All technical schemes formed using equivalent transformation or equivalent replacement, all fall within the utility model rights protection scope it
It is interior.
Claims (3)
- A kind of 1. efficient device for fracturing wellhead, it is characterised in that:Including adapter flange, the first flat gate valve, the second flat gate valve, Fracturing head, adpting flange, fixed bolt hole, the first regulation handle, the second regulation handle, vertical pressure break passage, lateral pressure break are led to Road, vertical union head, lateral union head and connecting bolt, the adapter flange, the first flat gate valve and the second flat gate valve Upper and lower end parts are provided with adpting flange;Fixed bolt hole is offered on the adpting flange;Second flat gate valve Lower end is connected with the upper end of the first flat gate valve;The lower end of first flat gate valve is connected with the upper end of adapter flange; The fracturing head is fixedly connected on the top of the second flat gate valve;The center upright side of the fracturing head sets up vertical pressure break Passage;Lateral pressure break passage is provided with the side surface direction of the fracturing head;The vertical pressure break passage and lateral pressure break passage Top vertical union head and lateral union head are connected with by connecting bolt respectively.
- A kind of 2. efficient device for fracturing wellhead according to claim 1, it is characterised in that:The number of the vertical pressure break passage Measure as one, the quantity of the lateral pressure break passage is four.
- A kind of 3. efficient device for fracturing wellhead according to claim 1, it is characterised in that:The vertical pressure break passage is with erecting Metal sealing cushion ring is mounted on to the junction of union head, lateral pressure break passage and lateral union head.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720526512.0U CN206801514U (en) | 2017-05-12 | 2017-05-12 | A kind of efficient device for fracturing wellhead |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720526512.0U CN206801514U (en) | 2017-05-12 | 2017-05-12 | A kind of efficient device for fracturing wellhead |
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CN206801514U true CN206801514U (en) | 2017-12-26 |
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CN201720526512.0U Active CN206801514U (en) | 2017-05-12 | 2017-05-12 | A kind of efficient device for fracturing wellhead |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106968658A (en) * | 2017-05-12 | 2017-07-21 | 江苏恒达机械制造有限公司 | A kind of efficient device for fracturing wellhead |
CN112554859A (en) * | 2020-12-22 | 2021-03-26 | 江苏雄越石油机械设备制造有限公司 | Fracturing pry |
-
2017
- 2017-05-12 CN CN201720526512.0U patent/CN206801514U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106968658A (en) * | 2017-05-12 | 2017-07-21 | 江苏恒达机械制造有限公司 | A kind of efficient device for fracturing wellhead |
CN112554859A (en) * | 2020-12-22 | 2021-03-26 | 江苏雄越石油机械设备制造有限公司 | Fracturing pry |
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