CN217714019U - Connecting segment, connecting assembly, manifold and fracturing manifold system - Google Patents
Connecting segment, connecting assembly, manifold and fracturing manifold system Download PDFInfo
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- CN217714019U CN217714019U CN202221975920.1U CN202221975920U CN217714019U CN 217714019 U CN217714019 U CN 217714019U CN 202221975920 U CN202221975920 U CN 202221975920U CN 217714019 U CN217714019 U CN 217714019U
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Abstract
The utility model relates to an oil development system technical field provides a linkage segment section, coupling assembling, manifold and fracturing manifold system, and wherein, the linkage segment section includes eccentric flange body, and inside has a through-hole, and the through-hole is including the first straight hole, inclined hole and the straight hole of second that communicate in proper order, the axis of first straight hole with the axis of the straight hole of second is parallel and has the poor b of distance, and b is not 0. The utility model provides a coupling segment, coupling assembling, manifold and fracturing manifold system, eccentric flange this internal adoption is straight-oblique-straight runner hole design, when can guaranteeing that two sets of coupling segment connect, the runner hole of junction is straight pore structure, can effectively avoid containing the bad metal seal backing ring of sand fracturing fluid because of the irregular turbulent current thorn that produces in runner hole to avoid fracturing fluid to reveal and lead to fracturing manifold system to become invalid.
Description
Technical Field
The utility model relates to an oil development technical field especially relates to a coupling segment section, coupling assembling, manifold and fracturing manifold system.
Background
Fracturing is a method of forming cracks in oil and gas production by using the action of water power in the process of oil or gas production, and is also called as hydraulic fracturing. The fracturing truck is used in the fracturing process of oil-gas layer, and can squeeze the high-pressure large-discharge liquid with certain viscosity into oil layer, and after the oil layer is pressed out of many cracks, the propping agent is added to fill the cracks, so that the permeability of the oil-gas layer is improved, and the water injection rate or oil production and gas production rate are increased.
The conventional shale gas fracturing operation is realized by adopting the connection of a high-pressure union and a small-drift-diameter pipeline from a fracturing tree to a flow distribution manifold sledge and carrying out combined connection through a rotatable movable elbow and high-pressure straight pipes with different lengths, so that the assembly of a high-pressure manifold is realized.
However, as the drift diameter of the union pipeline is small, in order to meet the requirement of discharge capacity, one set of fracturing tree usually needs a plurality of high-pressure union pipelines, and the connection of a large number of high-pressure union pipelines can cause the problems of more joints, more leakage points, complex layout, severe vibration of rotatable movable elbows and the like, thereby increasing potential well control risks.
SUMMERY OF THE UTILITY MODEL
The utility model provides a linkage segment section, coupling assembling, manifold and fracturing manifold system for solve among the prior art one set of fracturing tree and can produce a large amount of joints, the defect that the leakage point is many by a large amount of union pipe connection, realize that the import and export flange central axis position, the direction of manifold are adjustable, when being used for compensating shale atmospheric pressure fracturing platform zip fastener formula operation construction, the position error and the manifold installation error of different fracturing trees.
The utility model provides a coupling segment, include: eccentric flange body, inside has the through-hole, the through-hole is including the first straight hole, inclined hole and the second straight hole that communicate in proper order, the axis of first straight hole with the axis of second straight hole is parallel and have distance difference b, and b is not 0.
According to the utility model provides a pair of coupling segment, the one end of eccentric flange body is used for rotating with rotatory flange and is connected, and the other end is provided with integral ring flange.
According to the utility model provides a pair of coupling segment, the both ends of eccentric flange body all are used for rotating with rotatory flange and are connected.
According to the utility model provides a connecting segment, a sliding device is arranged between the eccentric flange body and the rotating flange; the sliding device is used for reducing the friction force between the eccentric flange body and the rotating flange.
According to the utility model provides a pair of linkage segment, the periphery of eccentric flange body is provided with two step locking rings, just two step locking rings with clearance fit between the rotating flange.
The utility model also provides a coupling assembling, including two at least linkage segments as above, adjacent linkage segment can dismantle the connection.
The utility model also provides a manifold, which comprises three sets of the connecting components, wherein the three sets of the connecting components are respectively arranged on the x axis, the y axis and the z axis, and the adjacent connecting components are communicated; any two of the x-axis, y-axis, and z-axis are perpendicular to each other.
The utility model also provides a fracturing manifold system, include: the fracturing tree-type connecting assembly comprises at least one fracturing tree and at least one shunt manifold sledge, wherein each fracturing tree is communicated with the shunt manifold sledge through at least one connecting assembly as above, and the adjacent shunt manifold sleds are communicated through the connecting assemblies.
According to the utility model provides a pair of fracturing manifold system, including main entrance and a plurality of reposition of redundant personnel fracturing branch road, and a plurality of reposition of redundant personnel fracturing branch road distribute in the homonymy or the heteronymy of main entrance.
The utility model provides a fracturing manifold system, including fracturing equipment, discharge manifold, high-low pressure manifold sledge, reposition of redundant personnel manifold sledge and fracturing tree, fracturing equipment is through as above discharge manifold be connected to high-low pressure manifold sledge, high-low pressure manifold sledge is connected to reposition of redundant personnel manifold sledge, reposition of redundant personnel manifold sledge with through foretell coupling assembling intercommunication between the fracturing.
The connecting segment provided by the utility model has through holes through the inside of the eccentric flange body, the through holes are a first straight hole, an inclined hole and a second straight hole which are sequentially communicated, the axis of the first straight hole is parallel to the axis of the second straight hole and has a distance difference b, and b is not 0; the eccentric flange body is internally provided with a straight-inclined-straight runner hole design, so that when two sets of connecting sections are connected, the runner hole at the connecting part is of a straight hole structure, and the condition that a metal sealing gasket ring is damaged by turbulent flow generated by irregular runner holes of the sand-containing fracturing fluid, so that the fracturing manifold system is sealed and fails can be effectively avoided.
The present invention provides a connection assembly, which includes the connection segment as described above, and thus has various advantages as described above.
The utility model provides a manifold and fracturing manifold system owing to include as above the coupling segment section, consequently possess as above various advantages.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a cross-sectional view of embodiment 1 provided by the present invention;
fig. 2 is a cross-sectional view of embodiment 2 provided by the present invention;
FIG. 3 isbase:Sub>A sectional view taken along line A-A of example 2 provided by the present invention;
fig. 4 is a cross-sectional view of embodiment 3 provided by the present invention;
fig. 5 is a cross-sectional view of embodiment 4 provided by the present invention;
fig. 6 is a schematic structural diagram of example 5 and example 6 provided by the present invention;
fig. 7 is a schematic structural diagram of embodiment 7 provided by the present invention;
fig. 8 is a schematic structural diagram of embodiment 8 provided by the present invention;
reference numerals:
1. fracturing the tree; 2. a connection assembly; 3. shunting manifold sleds; 4. a flange nipple; 5. a main channel; 6. a metal sealing grommet; 7. a high-strength bolt; 8. a nut; 9. a high-strength stud bolt;
21. an injection head; 22. a double-flange short section; 23. a blind flange; 24. planting a silk tee; 25. a connecting segment; 251. a double-step locking ring; 252. rotating the flange; 253. a sliding device; 254. an eccentric flange body; 255. the handle is rotated.
Detailed Description
To make the objects, technical solutions and advantages of the present invention clearer, the drawings in the present invention will be combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
The present invention is described below with reference to fig. 1 to 8 in connection with a connection segment, a connection assembly, a manifold, and a fracturing manifold system.
As shown in fig. 1-3, the utility model provides a pair of connected segment, including eccentric flange body 254, eccentric flange body 254 is inside to have a through-hole, and the through-hole is including the first straight hole, inclined hole and the straight hole of second that communicate in proper order, and the axis of first straight hole is parallel and have the distance difference b with the axis of the straight hole of second, and b > 0.
The utility model provides a coupling segment, eccentric flange body 254 inner chamber adopt straight-oblique-straight runner hole design, when can guaranteeing that two sets of coupling segments connect, the runner hole of junction is straight hole structure, can effectively avoid containing sand fracturing fluid to prick bad metal seal backing ring because of the irregular turbulent flow that produces in runner hole to lead to fracturing manifold system seal to become invalid.
In one embodiment of the present invention, one end of the eccentric flange body 254 is adapted to be rotatably coupled to the rotating flange 252 and the other end is provided with an integral flange.
In another embodiment of the present invention, both ends of the eccentric flange body 254 are adapted to be rotatably connected to the rotating flange 252.
Wherein, be provided with slider 253 between eccentric flange body 254 and the rotating flange 252, slider 253 plays the effect like the bearing, can reduce the frictional force between eccentric flange body 254 and the rotating flange 252 in the rotation process.
More specifically, the sliding device 253 may be configured such that raceways are correspondingly formed on the inner circumference of the rotating flange 252 and the outer circumference of the eccentric flange body 254, steel balls are fully distributed in the raceways along the circular axis direction, and the steel balls perform circular axis sliding, so that the friction coefficient of the eccentric flange body is reduced when the eccentric flange body rotates.
In addition, the sliding device 253 may be provided as a bearing.
In an embodiment of the present invention, the outer circumference of the eccentric flange body 254 is provided with a double-step locking ring 251, and the double-step locking ring 251 and the rotating flange 252 are in clearance fit. The double-step locking ring 251 fixes the rotating flange 252 and the eccentric flange body 254, and the double-step locking ring 251 can safely bear full-sealing hydraulic pressure acting on the end of the eccentric flange body 254, so that the safety of a fracturing manifold system is ensured.
In addition, the outer surface of the eccentric flange body 254 is provided with a threaded hole for installing the rotary handle 255, so that the eccentric flange body 254 can be rotated when the installation angle of the eccentric flange body 254 is conveniently adjusted.
As shown in fig. 1, the utility model provides an embodiment 1, including eccentric flange body 254, a two-step locking ring 251, rotatory flange 252 and a plurality of steel ball, the one end and the rotatory flange 252 of eccentric flange body 254 rotate to be connected, and other end an organic whole is connected with integral ring flange, and is specific, and rotatory flange 252 and eccentric flange body 254 are fixed through two-step locking ring 251, can bear the full hydraulic pressure force that acts on eccentric flange body 254 tip safely, ensure the security of superhigh pressure fracturing manifold system. A raceway is arranged between the rotating flange 252 and the eccentric flange body 254, and a steel ball is used for circular shaft sliding to reduce the friction coefficient.
The through hole in the eccentric flange body 254 is designed as a straight-inclined-straight flow channel hole, so that when two connecting sections are connected, the flow channel hole at the joint is of a straight hole structure, and the phenomenon that the metal sealing gasket ring is damaged by turbulent flow generated by the sand-containing fracturing fluid due to the irregular flow channel hole, so that the fracturing manifold system is sealed and fails can be effectively avoided.
Specifically, the outer surface of the eccentric flange body 254 is provided with a threaded hole for mounting the rotary handle 255, and the rotary handle 255 is used for adjusting the angle of the eccentric flange body 254.
As shown in fig. 2, the utility model provides an embodiment 2, including eccentric flange body 254, two step locking rings 251, two rotating flange 252 and a plurality of steel balls, the both ends of eccentric flange body 254 all rotate with rotating flange 252 and are connected, and is specific, and rotating flange 252 and eccentric flange body 254 are fixed through two step locking rings 251, can bear the full hydraulic pressure force that acts on eccentric flange body 254 tip safely, ensure the security of superhigh pressure fracturing manifold system. A raceway is arranged between the rotating flange 252 and the eccentric flange body 254, and a steel ball is used for circular shaft sliding to reduce the friction coefficient.
As shown in fig. 3, the outer surface of the eccentric flange body of embodiment 2 is provided with a threaded hole for mounting a rotary handle 255, and the rotary handle 255 is used for adjusting the angle of the eccentric flange body 254.
Another aspect of the present invention provides a connection assembly, comprising at least two connection segments 25 as described above, wherein adjacent connection segments 25 are detachably connected. For example, each coupling segment 25 has an eccentricity value b, and the adjustment range of each set of coupling assemblies after the two coupling segments 25 are combined is a circular surface with a diameter of 4 b.
As shown in fig. 4, the embodiment 3 provided by the present invention discloses a connection assembly, which is formed by combining the connection segments 25 disclosed in one embodiment 1 and one embodiment 2, the connection segment 25 provided in embodiment 1, one end of the eccentric flange body 254 is rotatably connected to the rotating flange 252, the other end is fixedly connected to the rotating flange 252 in embodiment 2, one end is rotary, the other end is fixed, the length of the connection segment 25 can be reduced by this structure, and the requirement when the space of the special installation position is limited is met. The embodiment 1 and the embodiment 2 are sealed by a metal sealing gasket ring 6 and are fastened and fixed by a high-strength bolt 7 and a nut 8.
As shown in fig. 5, the embodiment 4 provided by the present invention discloses a connection assembly, which is formed by combining two connection segments 25 according to the embodiment 2, wherein both ends of the connection segment 25 are rotatably connected to a rotating flange 252, and the two connection segments 25 are sealed by a metal gasket ring 6 and fastened and fixed by a high-strength stud bolt 9 and a nut 8.
As shown in fig. 6, the present invention provides embodiment 5, which includes three sets of the connecting assemblies as described in embodiment 4, and the three sets of the connecting assemblies are respectively disposed on the x-axis, the y-axis and the z-axis, wherein any two of the x-axis, the y-axis and the z-axis are perpendicular to each other and can be considered as three directions in a rectangular spatial coordinate system; and adjacent connecting components are communicated. In the manifold formed by combining the three sets of connecting assemblies, the adjusting track of the central point of the outlet is a solid body, the maximum adjusting range is an x axis 8b, a y axis 8b and a z axis 8b, and the requirements of on-site manifold combination installation can be met to the maximum extent.
Specifically, when the adjacent connecting components are communicated, the connecting components can be connected by a right-angled elbow, can also be connected by a filament-planting tee 24, and can also be connected by other connecting forms as long as the communication can be realized. When the three-way pipe 24 is used for connection, a fluid-impacting-preventing blind flange 23 is arranged on one surface of the three-way pipe 24 for connection, so that the connection strength is ensured.
In addition, as shown in fig. 6, embodiment 6 of the present invention provides a fracturing manifold system, including at least one fracturing tree 1 and at least one shunt manifold sledge 3, each fracturing tree 1 is communicated with the shunt manifold sledge 3 through at least one connecting assembly 2 as described above, so as to form a shunt fracturing branch, and adjacent shunt manifold sleds 3 are communicated through the connecting assembly 2. Still have flange nipple joint 4 between reposition of redundant personnel manifold sledge 3 and the main entrance 5, flange nipple joint 4 can be the singleton connection, also can be many built-up connections, and specifically can be according to shale gas platform's overall arrangement size and decide.
Of course, the injection head 21 and the double-flange short joint 22 are arranged between the fracturing tree 1 and the connecting assembly 2, so as to realize the connection between the fracturing tree 1 and the connecting assembly 2.
As shown in fig. 6, each direction includes a set of two connecting segments 25, the connecting assembly in this case may be any one of embodiment 3 or embodiment 4 or embodiment 5, the eccentricity value of each connecting segment 25 is b, the center point of the end of the outlet flange is adjusted to be a circular line with a diameter of 2b, and when the two connecting segments 25 rotate in combination, the center point of the outlet flange is adjusted to be a circular surface with a diameter of 4 b. When the connecting assemblies in the x-axis direction, the y-axis direction and the z-axis direction are used together, the adjusting track of the center of the outlet flange is a solid body, and the adjusting amount of the x-axis 8b, the y-axis 8b and the z-axis 8b can be realized to the maximum extent.
An embodiment of another aspect of the utility model provides a fracturing manifold system, including a plurality of reposition of redundant personnel fracturing branch roads and main entrance 5, and a plurality of reposition of redundant personnel fracturing branch roads distribute in the homonymy or the heteronymy of main entrance 5.
As shown in fig. 7, embodiment 7 of the present invention is provided to include a main channel 5 and a plurality of branch flow fracturing branches provided as embodiment 6, and the plurality of branch flow fracturing branches are distributed on the same side of the main channel 5 to form an F-shaped structure.
Alternatively, as shown in fig. 8, the embodiment 8 of the present invention is provided, and a plurality of branches are symmetrically distributed on two sides of the main channel 5 to form a rich structure.
The utility model discloses embodiment 7 and embodiment 8 provide a fracturing manifold system can adjust according to shale gas platform well head spatial position overall arrangement, can arrange needs according to oil field well position, freely adjusts the overall arrangement, and positional error and the universal manifold adjustment of installation error accessible between each well position realize. Wherein, adopt API 6A standard flange joint, the metal backing ring is sealed, and high strength bolt fastens fixedly between each part.
The fracturing manifold system adopts the single channel to carry, and the kinetic energy damage is lower, and its simple structure, area are little, sealing joint is few, have higher fail safe nature and life, can realize the zip fastener formula fracturing construction operation of many wellheads, promote the operating efficiency of well mill.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A coupling segment, comprising:
eccentric flange body, inside has the through-hole, the through-hole is including the first straight hole, inclined hole and the second straight hole that communicate in proper order, the axis of first straight hole with the axis of second straight hole is parallel and have distance difference b, and b is not 0.
2. The coupling segment according to claim 1, wherein the eccentric flange body is provided with one end for rotational connection with a rotating flange and an integral flange plate at the other end.
3. The coupling segment according to claim 1, wherein both ends of the eccentric flange body are adapted for rotational connection with a rotating flange.
4. A coupling segment according to claim 2 or 3, wherein a sliding means is provided between the eccentric flange body and the rotating flange for reducing friction between the eccentric flange body and the rotating flange.
5. The connection segment according to claim 4, wherein the eccentric flange body is provided at its outer circumference with a double step locking ring, and wherein the double step locking ring is clearance fitted with the rotary flange.
6. A connection assembly, comprising: at least two linking segments according to any one of claims 1 to 5, adjacent linking segments being detachably connected.
7. A manifold comprising three sets of connecting assemblies according to claim 6, wherein three sets of connecting assemblies are disposed on the x-axis, y-axis and z-axis, respectively, and communicate between adjacent connecting assemblies; any two of the x-axis, y-axis, and z-axis are perpendicular to each other.
8. A frac manifold system comprising at least one frac tree and at least one manifold skid, each said frac tree communicating with said manifold skid via at least one connecting assembly according to claim 6 to form a frac branch, adjacent manifold skids communicating with each other via said connecting assembly.
9. The fracturing manifold system according to claim 8, comprising a main channel and a plurality of said branch fracturing branches, wherein said plurality of branch fracturing branches are distributed on the same side or different sides of said main channel.
10. A fracturing manifold system comprising fracturing equipment, an exhaust manifold, a high-low pressure manifold skid, a shunt manifold skid and a fracturing tree, wherein the fracturing equipment is connected to the high-low pressure manifold skid through the exhaust manifold, the high-low pressure manifold is connected to the shunt manifold skid, and the shunt manifold skid is communicated with the fracturing tree through at least one connecting assembly according to claim 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221975920.1U CN217714019U (en) | 2022-07-28 | 2022-07-28 | Connecting segment, connecting assembly, manifold and fracturing manifold system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221975920.1U CN217714019U (en) | 2022-07-28 | 2022-07-28 | Connecting segment, connecting assembly, manifold and fracturing manifold system |
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| CN217714019U true CN217714019U (en) | 2022-11-01 |
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| CN202221975920.1U Active CN217714019U (en) | 2022-07-28 | 2022-07-28 | Connecting segment, connecting assembly, manifold and fracturing manifold system |
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| CN (1) | CN217714019U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116293121A (en) * | 2023-05-22 | 2023-06-23 | 四川经准特种设备检验有限公司 | Pressure gas pipeline flange joint |
| CN116792072A (en) * | 2023-06-28 | 2023-09-22 | 建湖县鸿达阀门管件有限公司 | Ultrahigh-pressure manifold applied to oil-gas well fracturing process |
-
2022
- 2022-07-28 CN CN202221975920.1U patent/CN217714019U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116293121A (en) * | 2023-05-22 | 2023-06-23 | 四川经准特种设备检验有限公司 | Pressure gas pipeline flange joint |
| CN116293121B (en) * | 2023-05-22 | 2023-07-21 | 四川经准特种设备检验有限公司 | Pressure gas pipeline flange joint |
| CN116792072A (en) * | 2023-06-28 | 2023-09-22 | 建湖县鸿达阀门管件有限公司 | Ultrahigh-pressure manifold applied to oil-gas well fracturing process |
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