CN212338913U - Fracturing conveying ground manifold system - Google Patents
Fracturing conveying ground manifold system Download PDFInfo
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- CN212338913U CN212338913U CN202020935415.9U CN202020935415U CN212338913U CN 212338913 U CN212338913 U CN 212338913U CN 202020935415 U CN202020935415 U CN 202020935415U CN 212338913 U CN212338913 U CN 212338913U
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Abstract
The utility model discloses a ground manifold system is carried in fracturing, including the fracturing tree, high-low pressure manifold device, high-pressure flange pipeline, ground fracturing control manifold device, skew flange mechanism and corner pipeline, high-low pressure manifold device passes through high-pressure flange pipeline and is connected with ground fracturing control manifold device linear type, and ground fracturing control manifold device passes through skew flange mechanism and corner pipeline and realizes being connected with the fracturing tree, and skew flange mechanism and corner pipeline can realize the adjustment of co-altitude not and direction between ground fracturing control manifold device and the fracturing tree. Has the advantages that: the whole manifold system is large in displacement, simple in structure, simple in layout, few in pipelines, few in joints, linear conveying and low in kinetic energy loss, and the whole manifold system is separated from the ground, so that the service life of a manifold is effectively prolonged, the zipper type operation of multiple well heads can be realized, and the operation efficiency of a fracturing well factory is improved.
Description
Technical Field
The utility model relates to a fracturing carries technical field, concretely relates to fracturing carries ground manifold system.
Background
In a conventional fracturing site, a high-pressure pipeline in the form of a union is used for connecting a fluid conveying channel from a fracturing truck to a fracturing wellhead, namely, the assembly of the high-pressure pipeline is realized through a rotatable sealing connection of the union, the diameter of the existing union is 2 ', 3', and 4 ', and the currently largest existing specification is 4', so that the aperture of the existing high-pressure pipeline is small due to the limitation of the structure and the process, namely, the maximum allowable displacement of a single high-pressure pipeline is low, and the conveying requirement of fracturing a large displacement at present is difficult to meet.
In order to meet the construction requirement of 'large displacement' on site, the existing solution is that a large number of high-pressure union pipelines are used between a fracturing truck and a fracturing tree, and the displacement in unit time is increased by the series-parallel connection mode of the large number of high-pressure union pipelines. A large amount of high pressure union pipelines need to realize large discharge capacity conveying, a series-parallel connection mode can be realized only by a plurality of joints, direction conversion is carried out through movable elbows, therefore, a conveying system with a plurality of pipelines, a plurality of joints and a plurality of elbows can be arranged between a fracturing truck and a fracturing tree on a fracturing operation site, and the conveying system has the problems of a plurality of leakage points, complex layout, inconvenient installation, severe elbow shaking, short service life and the like.
Therefore, a fracturing conveying ground manifold system which is simple in layout, convenient to install, few in joints and long in service life is needed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an it is not enough that prior art is overcome to the purpose, provides a fracturing and carries ground manifold system, by high-low pressure manifold device, high-pressure flange pipeline, ground fracturing control manifold device, and high-pressure fluid passageway is constituteed such as skew flange mechanism and corner pipeline in the relevant construction operation of oil gas field, provides brand-new solution for the operation of fracturing well factory. The application aims to simplify the well site layout of the fracturing operation, and enables the fracturing process to be more efficient, safer and more environment-friendly. Through the linear ground manifold, the number of high-pressure pipelines can be effectively reduced, the kinetic energy loss is reduced, the vibration is weakened, the erosion influence of a solid-liquid mixed medium on fluid channel equipment can be reduced, and the environment is protected. The ground manifold is assembled on the ground fracturing control sledge, and the systems are connected by the flange straight pipeline, so that the field disassembly and assembly are more efficient, and the safety of the operation process is more guaranteed. The opening and closing of the ground fracturing control sledge can realize continuous fracturing, pump injection, ball injection and other operations among a plurality of well mouths, realize zipper type operation of the plurality of well mouths and improve the operation efficiency of a fracturing well factory.
The purpose of the utility model is achieved through the following technical measures: the utility model provides a fracturing conveying ground manifold system, includes the fracturing tree, high-low pressure manifold device, high-pressure flange conveying line, ground fracturing control manifold device, skew flange mechanism and corner pipeline, high-low pressure manifold device passes through high-pressure flange conveying line and is connected with ground fracturing control manifold device linear type, and ground fracturing control manifold device realizes being connected with the fracturing tree through skew flange mechanism and corner pipeline, and skew flange mechanism and corner pipeline can realize the adjustment of different height and direction between ground fracturing control manifold device and the fracturing tree.
Furthermore, the high-pressure flange conveying pipeline realizes the linear connection of the high-pressure manifold device and the low-pressure manifold device with the ground fracturing control manifold device through the first lifting mechanism.
Furthermore, the number of the first lifting mechanisms is more than 1.
Furthermore, the high-pressure flange conveying pipeline is formed by connecting 6BX type flange straight pipes.
Further, the high-pressure manifold device and the low-pressure manifold device adopt a 6BX type flange straight pipe as a high-pressure fluid conveying pipeline.
And further, configuring the high-low pressure manifold devices with different interface numbers according to the number of fracturing trucks on a fracturing operation site.
Further, the number of the ground fracturing control manifold devices is the same as the number of the fracturing trees.
Further, the ground fracturing control manifold device comprises a fracturing valve, a first four-way joint and a second lifting mechanism, wherein the fracturing valve and the first four-way joint are connected to form a fluid pipeline, the second lifting mechanism is used for lifting the horizontal height of the fluid pipeline, and the fluid pipeline and the high-pressure flange delivery pipeline are kept in linear delivery in a delivery state of the fracturing delivery ground manifold system.
Further, a first four-way valve is arranged at the inlet end and the outlet end of the fluid line respectively, and the fracturing valve is used for on-off control of the fluid line.
Furthermore, the ground fracturing control manifold devices are connected through a 6BX type flange straight pipe.
Furthermore, a pumping channel for fracturing operation can be accessed on the 6BX type flange straight pipe between the ground fracturing control manifold devices.
Furthermore, the fracturing valve and the first four-way joint are integrated on the sledge body, and the second lifting mechanism is used for lifting the whole sledge body.
Furthermore, the fracturing tree is provided with a six-way joint, the outlet end of the ground fracturing control manifold device is sequentially connected with the offset flange mechanism and the corner pipeline, and the outlet of the corner pipeline is connected with the fracturing tree through the six-way joint.
Further, skew flange mechanism includes first rotatory flange pipe, first tee bend, first straight tube, second tee bend and the rotatory flange pipe of second, and first rotatory flange pipe passes through the first tee bend and is connected with the one end of first straight tube, and the other end of first straight tube passes through the second tee bend and the rotatory flange union coupling of second, skew flange mechanism can be rotatory along first rotatory flange pipe and the rotatory flange pipe axis of second.
Furthermore, the whole offset flange mechanism is lifted and lowered in the horizontal height through a third lifting mechanism.
Furthermore, the corner pipeline comprises a third rotating flange pipe, a fourth tee joint, a fourth rotating flange pipe and a fifth tee joint, one end of the fourth rotating flange pipe is connected with the third rotating flange pipe through the fourth tee joint, and the other end of the fourth rotating flange pipe is connected with the fifth tee joint.
Furthermore, the whole corner pipeline is lifted at the horizontal height through a fourth lifting mechanism.
Compared with the prior art, the beneficial effects of the utility model are that: a fracturing conveying ground manifold system is characterized in that a high-pressure fluid channel is formed by a high-pressure manifold device, a low-pressure flange conveying pipeline, a ground fracturing control manifold device, an offset flange mechanism, a corner pipeline and the like, and a brand-new solution is provided for fracturing well factory operation in related construction operation of an oil-gas field. The application aims to simplify the well site layout of the fracturing operation, and enables the fracturing process to be more efficient, safer and more environment-friendly. Through the linear ground manifold, the number of high-pressure pipelines can be effectively reduced, the kinetic energy loss is reduced, the vibration is weakened, the erosion influence of a solid-liquid mixed medium on fluid channel equipment can be reduced, and the environment is protected. The ground manifold is assembled on the ground fracturing control sledge, and the systems are connected by the flange straight pipeline, so that the field disassembly and assembly are more efficient, and the safety of the operation process is more guaranteed. The opening and closing of the ground fracturing control sledge can realize continuous fracturing, pump injection, ball injection and other operations among a plurality of well mouths, realize zipper type operation of the plurality of well mouths and improve the operation efficiency of a fracturing well factory.
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a schematic side view of the present frac conveyance surface manifold system.
Fig. 2 is a schematic top view of the present frac conveyance surface manifold system.
Fig. 3 is a schematic structural diagram of the high-low pressure manifold device.
Fig. 4 is a schematic structural diagram of a surface fracture control manifold apparatus.
FIG. 5 is a schematic view of the offset flange mechanism and corner line connection.
The hydraulic fracturing system comprises a high-pressure manifold device 1, a low-pressure flange conveying pipeline 3, a ground fracturing control manifold device 2, an offset flange mechanism 4, a corner pipeline 5, a fracturing tree 6, a plug valve 7, a high-pressure straight pipe 8, a butterfly valve 9, a low-pressure pipeline 10, a first lifting mechanism 11, a fracturing valve 12, a first four-way joint 13, a second lifting mechanism 14, a first rotary flange pipe 15, a first tee joint 16, a first straight pipe 17, a second tee joint 18, a second rotary flange pipe 19, a third lifting mechanism 20, a third rotary flange pipe 21, a fourth tee joint 22, a fourth rotary flange pipe 23, a fifth tee joint 24, a fourth lifting mechanism 25 and a sixth tee joint 26.
Detailed Description
As shown in fig. 1 to 5, a fracturing conveying ground manifold system comprises a fracturing tree 6, a high-low pressure manifold device 1, a high-pressure flange conveying pipeline 3, a ground fracturing control manifold device 2, an offset flange mechanism 4 and a corner pipeline 5, wherein the high-low pressure manifold device 1 is linearly connected with the ground fracturing control manifold device 2 through the high-pressure flange conveying pipeline 3, the ground fracturing control manifold device 2 is connected with the fracturing tree 6 through the offset flange mechanism 4 and the corner pipeline 5, and the offset flange mechanism 4 and the corner pipeline 5 can adjust the height and the direction between the ground fracturing control manifold device 2 and the fracturing tree 6. The high-pressure fluid channel is formed by a high-pressure manifold device 1, a low-pressure flange conveying pipeline 3, a ground fracturing control manifold device 2, an offset flange mechanism 4, a corner pipeline 5 and the like, and a brand-new conveying manifold system with large discharge capacity, relative linear type, less pipelines and less joints is provided for fracturing well operation in related construction operation of oil and gas fields. The large discharge realized by connecting a plurality of original high-pressure union pipelines in series and in parallel is changed into 11 high-pressure linear conveying of a high-pressure and low-pressure manifold device, namely 1 high-pressure flange conveying pipeline 3, namely a ground fracturing control manifold device 2, namely the high-pressure flange conveying pipeline 3 is conveyed linearly (the height of the fluid pipeline is adjusted to be the same as that of the fluid pipeline by a first lifting mechanism 11), and the fluid pipeline is divided by a flange straight pipe between adjacent ground fracturing control manifold devices 2, so that the number of the fracturing trees 6 is matched, and the offset flange mechanism 4 is connected with a corner pipeline 5, so that the height and the angle are adjusted, and further the connection with the fracturing trees 6 is realized. Greatly simplifying the layout mode of a large number of high-pressure union pipelines of a fracturing operation well site.
The high-pressure flange conveying pipeline 3 is connected with the high-pressure and low-pressure manifold device 1 and the ground fracturing control manifold device 2 in a linear mode through the first lifting mechanism 11. The high-pressure flange delivery line 3 is raised to the same height as the high-pressure delivery line of the high-low pressure manifold device 1 by the first lifting mechanism 11.
The number of the first lifting mechanisms 11 is more than 1. The number of first lifting means 11 is suitably set according to the actual length of the high-pressure flange feed line 3. The first lifting mechanism 11 can provide support for the high-pressure flange conveying pipeline 3 while lifting the high-pressure flange conveying pipeline 3, and the actual ground condition of a fracturing operation site can be better adapted by arranging the single first lifting mechanism 11. The single first lifting mechanism 11 is relatively easy to level the ground of a fracturing site in a lifting mode of the whole high-pressure flange conveying pipeline 3, and the ground does not need to be subjected to integral leveling treatment. Through the lifting that breaks away from ground of first elevating system 11 to high pressure flange pipeline 3, can also effectively avoid prior art manifold in the wearing and tearing on ground, prolong the life of manifold.
The high-pressure flange conveying pipeline 3 is formed by connecting 6BX type flange straight pipes. The pipe diameter of the 6BX type flange straight pipe is larger than that of the existing union type high-pressure pipeline, and the discharge capacity of a single high-pressure pipeline is larger.
The high-low pressure manifold device 1 adopts a 6BX type flange straight pipe as a high-pressure fluid conveying pipeline. The high-low pressure manifold device 1 adopts a skid-mounted form and comprises a plug valve 7, a union pipeline, a movable elbow, a high-pressure straight pipe 8, a butterfly valve 9, a low-pressure pipeline 10 and the like, wherein the plug valve 7 adopts a flange type or union type end connector. Fracturing fluid is sucked into a plunger pump of a fracturing truck through a low-pressure manifold part, and after being pressurized by the plunger pump, high-pressure fluid enters a high-pressure part-a high-pressure straight pipe 8 of a high-low pressure manifold device 1 through a union pipeline, a movable elbow, a plug valve 7 and the like. The high-pressure straight pipe 8 is a 6BX type flange straight pipe.
And configuring the high-low pressure manifold devices 1 with different interface numbers according to the number of fracturing trucks on a fracturing operation site. After high-pressure fluids output by all fracturing trucks are converged by the high-pressure and low-pressure manifold device 1, a linear fluid conveying mode is formed in the straight flange pipe. Compared with a multi-branch high-pressure fluid conveying mode in the prior art, the conveying mode is simpler in structure and higher in conveying efficiency. The straight flange pipe of the high-pressure and low-pressure manifold device 1, the high-pressure flange conveying pipeline 3 and the fluid pipeline in the ground fracturing control manifold device 2 form a main pipeline for conveying linear high-pressure fluid.
The number of the ground fracturing control manifold devices 2 is the same as the number of the fracturing trees 6. There are several wells in the actual fracturing job site, there are several fracturing trees 6, and there are several fracturing trees 6 with a corresponding number of ground fracturing control manifold devices 2. Fig. 2 is a block diagram illustrating an example of 3 wells. The ground fracturing control manifold device 2 comprises a fracturing valve 12, a first four-way joint 13 and a second lifting mechanism 14, wherein the fracturing valve 12 and the first four-way joint 13 are connected to form a fluid pipeline, the second lifting mechanism 14 is used for lifting the horizontal height of the fluid pipeline, and the fluid pipeline and the high-pressure flange delivery pipeline 3 are kept in linear delivery in the delivery state of the fracturing delivery ground manifold system. The fracturing valve 12 is a flat valve structure, and can be driven by double hydraulic pressure or double hand wheels, or by 1 hydraulic pressure or 1 hand wheel.
A first four-way valve 13 is arranged at the inlet end and the outlet end of the fluid line respectively, and the fracturing valve 12 is used for on-off control of the fluid line. The zipper type operation of the fracturing operation is realized through the opening and closing control of the fracturing valves 12 on the fracturing control manifold devices 2 on different ground surfaces.
The ground fracturing control manifold devices 2 are connected by adopting 6BX type flange straight pipes with different lengths.
And pumping channels for fracturing operation can be accessed on the 6BX type flange straight pipes between the ground fracturing control manifold devices 2. The other end of the pumping channel is connected with a pumping device, so that the operation processes of pumping, ball throwing and the like are realized.
The fracturing valve 12 and the first four-way valve 13 are integrated on the sledge body, and the second lifting mechanism 14 is used for lifting the whole sledge body.
The fracturing tree 6 is provided with a six-way 26, the fracturing tree 6 comprises a manual valve, a hydraulic valve and the like, the outlet end of the ground fracturing control manifold device 2 is sequentially connected with the offset flange mechanism 4 and the corner pipeline 5, and the outlet of the corner pipeline 5 is connected with the fracturing tree 6 through the six-way 26. The six-way 26 serves as an inlet for high pressure fluid injection into the frac tree 6.
The offset flange mechanism 4 comprises a first rotating flange pipe 15, a first tee joint 16, a first straight pipe 17, a second tee joint 18 and a second rotating flange pipe 19, the first rotating flange pipe 15 is connected with one end of the first straight pipe 17 through the first tee joint 16, the other end of the first straight pipe 17 is connected with the second rotating flange pipe 19 through the second tee joint 18, and the offset flange mechanism 4 can rotate along the axis of the first rotating flange pipe 15 and the axis of the second rotating flange pipe 19. The offset flange mechanism 4 can be formed into various types through rotation of the components thereof so as to meet the connection between the ground manifolds with different height sizes and directions on the fracturing site.
The offset flange mechanism 4 is entirely lifted and lowered in the horizontal direction by the third lifting mechanism 20.
The corner pipeline 5 comprises a third rotating flange pipe 21, a fourth tee 22, a fourth rotating flange pipe 23 and a fifth tee 24, one end of the fourth rotating flange pipe 23 is connected with the third rotating flange pipe 21 through the fourth tee 22, and the other end of the fourth rotating flange pipe 23 is connected with the fifth tee 24.
The whole corner pipeline 5 is lifted and lowered in the horizontal height through a fourth lifting mechanism 25.
The first lifting mechanism 11, the second lifting mechanism 14, the third lifting mechanism 20 and the fourth lifting mechanism 25 adopt mechanical lifting or hydraulic lifting.
The working principle is as follows: the pumping device on the fracturing operation site conveys fracturing fluid to a fracturing truck from a low-pressure pipeline 10 of a high-low pressure manifold device 1, the fracturing fluid is converted into high-pressure fluid through a plunger pump on the fracturing truck, the high-pressure straight pipe 8 of the high-low pressure manifold device 1 is driven into the high-pressure straight pipe after being output, the high-pressure straight pipe reaches a ground fracturing control manifold device 2 through a high-pressure flange conveying pipeline 3, the ground fracturing control manifold devices 2 are respectively connected with different fracturing tree 6 well mouths, the ground fracturing control manifold devices are connected with the fracturing tree 6 well mouths through linear flange conveying pipelines, and the opening and closing of fracturing valves 12 on the ground fracturing control manifold devices 2 of different channels are controlled to realize the zipper type operation of the fracturing operation.
It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (17)
1. The utility model provides a fracturing conveying ground manifold system which characterized in that: the high-pressure and low-pressure pipe manifold device is linearly connected with the ground fracturing control pipe manifold device through the high-pressure flange conveying pipeline, the ground fracturing control pipe manifold device is connected with a fracturing tree through the offset flange mechanism and the corner pipeline, and the offset flange mechanism and the corner pipeline can adjust the height and the direction between the ground fracturing control pipe manifold device and the fracturing tree.
2. The frac conveyance surface manifold system of claim 1, wherein: the high-pressure flange conveying pipeline is connected with the high-pressure and low-pressure manifold device in a linear mode through the first lifting mechanism and the ground fracturing control manifold device.
3. The frac conveyance surface manifold system of claim 2, wherein: the number of the first lifting mechanisms is more than 1.
4. The frac conveyance surface manifold system of claim 2, wherein: the high-pressure flange conveying pipeline is formed by connecting 6BX type flange straight pipes.
5. The frac conveyance surface manifold system of claim 1, wherein: the high-pressure and low-pressure manifold device adopts a 6BX type flange straight pipe as a high-pressure fluid conveying pipeline.
6. The frac conveyance surface manifold system of claim 5, wherein: and configuring the high-low pressure manifold devices with different interface numbers according to the number of fracturing trucks on a fracturing operation site.
7. The frac conveyance surface manifold system of claim 1, wherein: the number of the ground fracturing control manifold devices is the same as that of the fracturing trees.
8. The frac conveyance surface manifold system of claim 7, wherein: the ground fracturing control manifold device comprises a fracturing valve, a first four-way joint and a second lifting mechanism, wherein the fracturing valve and the first four-way joint are connected to form a fluid pipeline, the second lifting mechanism is used for lifting the horizontal height of the fluid pipeline, and the fluid pipeline and a high-pressure flange delivery pipeline are kept in linear delivery in the delivery state of a fracturing delivery ground manifold system.
9. The frac conveyance surface manifold system of claim 8, wherein: and a first four-way valve is respectively arranged at the inlet end and the outlet end of the fluid line, and the fracturing valve is used for controlling the on-off of the fluid line.
10. The frac conveyance surface manifold system of claim 8, wherein: the ground fracturing control manifold devices are connected through a 6BX type flange straight pipe.
11. The frac conveyance surface manifold system of claim 10, wherein: and pumping channels for fracturing operation can be connected to the 6BX type flange straight pipes between the ground fracturing control manifold devices.
12. The frac conveyance surface manifold system of claim 8, wherein: the fracturing valve and the first four-way joint are integrated on the sledge body, and the second lifting mechanism is used for lifting the whole sledge body.
13. The frac conveyance surface manifold system of claim 1, wherein: the fracturing tree is provided with a six-way pipe, the outlet end of the ground fracturing control manifold device is sequentially connected with an offset flange mechanism and a corner pipeline, and the outlet of the corner pipeline is connected with the fracturing tree through the six-way pipe.
14. The frac conveyance surface manifold system of claim 1, wherein: the offset flange mechanism comprises a first rotary flange pipe, a first tee joint, a first straight pipe, a second tee joint and a second rotary flange pipe, the first rotary flange pipe is connected with one end of the first straight pipe through the first tee joint, the other end of the first straight pipe is connected with the second rotary flange pipe through the second tee joint, and the offset flange mechanism can rotate along the axis of the first rotary flange pipe and the axis of the second rotary flange pipe.
15. The frac conveyance surface manifold system of claim 14, wherein: and the whole offset flange mechanism is lifted by the horizontal height through a third lifting mechanism.
16. The frac conveyance surface manifold system of claim 1, wherein: the corner pipeline comprises a third rotary flange pipe, a fourth tee joint, a fourth rotary flange pipe and a fifth tee joint, one end of the fourth rotary flange pipe is connected with the third rotary flange pipe through the fourth tee joint, and the other end of the fourth rotary flange pipe is connected with the fifth tee joint.
17. The frac conveyance surface manifold system of claim 16, wherein: and the whole corner pipeline is lifted by the horizontal height through a fourth lifting mechanism.
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| CN202020935415.9U CN212338913U (en) | 2020-05-28 | 2020-05-28 | Fracturing conveying ground manifold system |
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| CN202020935415.9U CN212338913U (en) | 2020-05-28 | 2020-05-28 | Fracturing conveying ground manifold system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111503517A (en) * | 2020-05-28 | 2020-08-07 | 烟台杰瑞石油装备技术有限公司 | Fracturing conveying ground manifold system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111503517A (en) * | 2020-05-28 | 2020-08-07 | 烟台杰瑞石油装备技术有限公司 | Fracturing conveying ground manifold system |
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