CN219197306U - 175MPa superhigh pressure erosion-resistant shunt manifold - Google Patents

Abstract

The utility model discloses a 175MPa ultrahigh pressure erosion-resistant shunt manifold, which comprises: the shunt manifold comprises a group of component flow pipes and a group of base sled seats, and the shunt pipes are oppositely arranged on the base sled seats and are connected with the base sled seats; the shunt tube includes shunt valve, a set of hydraulic gate valve, a set of manual flat gate valve, a set of shunt head, and shunt valve locates the collet seat top, and is connected with the shunt valve in the opposite side shunt tube through the nozzle stub flange, and hydraulic gate valve, manual flat gate valve, shunt head locate the both sides of shunt valve in proper order, and shunt valve and hydraulic gate valve, manual flat gate valve, shunt head connect gradually. The utility model has the advantages of large drift diameter, stable flow speed, suitability for large-displacement and rapid fracturing operation, strong erosion resistance, improved service life of the shunt manifold, integrated design, strong shock resistance, compact structure, convenient connection, improved fracturing construction efficiency, cost saving, safety and reliability, and capability of effectively realizing remote control and more stable fracturing operation.

Description

175MPa superhigh pressure erosion-resistant shunt manifold

Technical Field

The utility model belongs to the field of drilling and production fracturing equipment, and particularly relates to a 175MPa ultrahigh-pressure erosion-resistant shunt manifold.

Background

In recent years, the rate of increase in the ratio of low permeability reserves has been increasing year by year. Low permeability reservoirs have low permeability, low porosity and strong heterogeneity, and most wells require increased productivity by implementing fracturing measures. At present, the volume fracturing large-displacement operation of a tight oil horizontal well and a shale gas horizontal well is being popularized in China, the volume fracturing construction of the tight oil horizontal well shows the development trend of large displacement, large liquid amount and large sand injection, the fracturing operation mainly depends on a shunt manifold to be connected with a high-low pressure manifold and a fracturing truck for fracturing, but the existing shunt manifold in China has a plurality of problems, on one hand, the adjustment and adaptation are not easy, the fitting degree is low, the movement is not easy, the operation is time-consuming, and the use efficiency is low; on the other hand, the petroleum and natural gas contains a large amount of corrosive gases such as sulfides, carbon dioxide and the like, so that the traditional manifold is corroded by the substances for a long time, and the bearing capacity of the manifold is continuously reduced along with the deepening of the corrosion degree, for example, the 140 MPa-level high-pressure manifold cannot be used in a 140MPa working pressure environment for a long time and can only be used in a lower-than-rated working pressure environment. Therefore, a shunt manifold with erosion resistance under an ultra-high pressure of 175MPa is needed to meet the long-term use requirement in a pressure environment of 140MPa and above.

Disclosure of Invention

The utility model aims to: in order to overcome the defects, the utility model aims to provide the 175MPa ultrahigh-pressure erosion-resistant shunt manifold which is large in drift diameter, stable in flow speed, strong in erosion resistance, long in service life, strong in shock resistance, compact in structure, convenient to connect, high in fracturing construction efficiency, cost-saving, safe and reliable.

The technical scheme is as follows: in order to achieve the above object, the present utility model provides a 175MPa ultra-high pressure erosion resistant shunt manifold, comprising:

the shunt manifold comprises a group of component flow pipes and a group of base sled seats, and the shunt pipes are oppositely arranged on the base sled seats and are connected with the base sled seats; the shunt tubes include shunt valve, a set of hydraulic gate valve, a set of manual flat gate valve, a set of shunt head, shunt valve locates the collet seat top, and is connected with the shunt valve in the shunt tubes of opposite side through the nozzle stub flange, hydraulic gate valve, manual flat gate valve, shunt head locate shunt valve's both sides in proper order, just shunt valve and hydraulic gate valve, manual flat gate valve, shunt head connect gradually.

The utility model has the advantages of large drift diameter, stable flow speed, suitability for large-displacement and rapid fracturing operation, strong erosion resistance, improved service life of the shunt manifold, integrated design, strong shock resistance, compact structure, convenient connection, improved fracturing construction efficiency, cost saving, safety and reliability, and capability of effectively realizing remote control and more stable fracturing operation.

Furthermore, the shunt valve adopts a fracturing four-way valve and a fracturing nine-way valve respectively, and the fracturing four-way valve is connected with the fracturing nine-way valve through a short pipe flange. The flow dividing valve has large discharge capacity, so that the medium flow speed is stable, and the efficiency of fracturing operation is improved.

Further, the hydraulic gate valve comprises a lower valve cover, a lower guide rod, a lower valve cover, a valve body, a valve seat, a valve plate, a valve rod, an upper valve cover, a support, a cylinder body, a piston, a cylinder cover and an indicator, wherein the lower valve cover and the lower valve cover are sequentially arranged on the lower side of the valve body and are sequentially connected with each other, the lower guide rod is arranged in the valve body, the lower end of the lower guide rod extends into the lower valve cover, the lower guide rod is connected with the lower valve cover, the valve plate is arranged on the upper end of the lower guide rod, the valve seat is arranged on the outer side of the valve plate, the upper valve cover, the support, the cylinder body and the cylinder cover are sequentially arranged on the upper side of the valve body and are mutually connected, the upper valve cover is connected with the valve body, the piston is arranged in the cylinder body, the valve rod is arranged on the upper end of the valve rod and is connected with the piston, and the indicator is arranged on the inner side of the lower valve cover and is connected with the lower guide rod. The hydraulic gate valve is convenient to operate, remote control can be effectively realized, convenience of fracturing operation is improved, and safety and reliability are realized.

Further, the manual flat gate valve comprises a lower valve cover II, a lower guide rod II, a lower valve cover II, a valve body II, a valve seat II, a valve plate II, a valve rod II, an upper valve cover II, a rotating nut, a hand wheel, an upper protecting cover, a ball screw and an indicator II, wherein the lower valve cover II and the lower valve cover are sequentially arranged on the lower side of the valve body II and are connected with each other, the valve body II is connected with the lower valve cover II, the lower guide rod II is arranged in the valve body II, the lower end of the lower guide rod II extends into the lower valve cover II, the lower guide rod II is movably connected with the lower valve cover II, the valve plate II is arranged at the upper end of the lower guide rod II, the valve seat II is arranged at the lower end of the valve plate II and is connected with the valve plate II, the upper valve cover II is arranged at the upper side of the valve body II and is connected with the valve body II, the lower end of the rotating nut is arranged in the upper second and is connected with the upper valve cover II, the hand wheel is arranged at the outer side of the rotating nut, the upper protecting cover is arranged at the upper end of the rotating nut and is connected with the rotating nut, the lower protecting cover II is arranged in the upper protecting cover and the lower end of the ball cover is connected with the lower protecting cover. The manual flat gate valve is matched with the hydraulic gate valve, so that the connection is convenient and stable, the construction efficiency is improved, and the manpower consumption is saved.

Further, the shunt head comprises a shunt head body, a group of shunt sealing heads, a union flange and a union reducing joint, shunt ports are circumferentially arranged on the shunt head body, the shunt sealing heads are arranged on the shunt ports, the union flange is arranged at an opening at the top end of the shunt head body and is connected with the shunt head body, and the union reducing joint is arranged on the upper side of the union flange and is connected with the union flange. The shunt head can shunt the medium to a plurality of directions, has improved the efficiency of fracturing work.

Further, the valve body is connected with the diverter valve and the manual flat gate valve, and a passage is transversely arranged in the valve body.

Further, the second valve body is connected with the manual flat gate valve and the split head, and a passage is transversely arranged in the second valve body. The hydraulic gate valve is connected with the manual flat gate valve in series, so that the connection is stable and reliable, and the installation is convenient.

Further, the split head body is connected with the manual flat gate valve, and the split valve, the hydraulic gate valve, the manual flat gate valve and the split head are arranged on the same axis. The serial design makes the connection between the valves more stable, improves the anti-seismic performance, and ensures the safety and stability of fracturing operation.

Further, 625 hard alloy layers are arranged on the walls of all flow passage holes in contact with the medium inside the shunt manifold. The arrangement of the hard alloy layer improves the erosion resistance of the shunt manifold.

The technical scheme can be seen that the utility model has the following beneficial effects:

1. the 175MPa ultrahigh-pressure erosion-resistant shunt manifold has the advantages of large drift diameter, stable flow speed, suitability for large-displacement and rapid fracturing operation, strong erosion resistance, improved service life of the shunt manifold, integrated design, strong shock resistance, compact structure, convenient connection, improved fracturing construction efficiency, cost saving, safety, reliability, effective realization of remote control and more stable fracturing operation.

2. The 175MPa ultrahigh-pressure erosion-resistant shunt manifold has large shunt valve displacement, ensures stable medium flow velocity and improves the efficiency of fracturing operation. The hydraulic gate valve is convenient to operate, remote control can be effectively realized, convenience of fracturing operation is improved, and safety and reliability are realized. The hydraulic gate valve is connected with the manual flat gate valve in series, so that the connection is stable and reliable, and the installation is convenient.

3. According to the 175MPa ultrahigh-pressure erosion-resistant shunt manifold, the manual flat gate valve is matched with the hydraulic gate valve, so that the connection is convenient and stable, the construction efficiency is improved, and the manpower consumption is saved. The shunt head can shunt the medium to a plurality of directions, has improved the efficiency of fracturing work. The serial design makes the connection between the valves more stable, improves the anti-seismic performance, and ensures the safety and stability of fracturing operation. The arrangement of the hard alloy layer improves the erosion resistance of the shunt manifold.

Drawings

FIG. 1 is a schematic structural diagram of a 175MPa ultrahigh pressure erosion resistant shunt manifold according to the utility model;

FIG. 2 is a schematic diagram of a hydraulic gate valve of the 175MPa ultrahigh pressure erosion resistant shunt manifold according to the utility model;

FIG. 3 is a schematic diagram of a manual plate gate valve of the 175MPa ultrahigh pressure erosion resistant shunt manifold according to the utility model;

FIG. 4 is a schematic diagram of a shunt head of a 175MPa ultrahigh pressure erosion resistant shunt manifold according to the present utility model;

in the figure: manifold 1, shunt tube 2, base 3, shunt valve 4, hydraulic gate valve 5, manual flat gate valve 6, shunt head 7, frac four-way 40, frac nine-way 41, lower valve housing 50, lower guide rod 51, lower valve cap 52, valve body 53, valve seat 54, valve plate 55, valve stem 56, upper valve cap 57, bracket 58, cylinder 59, piston 510, cylinder head 511, indicator 512, lower valve housing two 60, lower guide rod two 61, lower valve cap two 62, valve body two 63, valve seat two 64, valve plate two 65, valve stem two 66, upper valve cap two 67, swivel nut 68, hand wheel 69, upper shroud 610, ball screw 611, indicator two 612, shunt head body 70, shunt seal head 71, union flange 72, union reducer 73.

Detailed Description

The utility model is further elucidated below in connection with the drawings and the specific embodiments.

Example 1

As shown in fig. 1-4, a 175MPa ultra-high pressure erosion resistant shunt manifold in this embodiment includes:

the shunt manifold 1 comprises a group of component flow pipes 2 and a group of base sled bases 3, wherein the shunt pipes 2 are oppositely arranged on the base sled bases 3 and are connected with the base sled bases 3; the shunt tube 2 comprises a shunt valve 4, a group of hydraulic gate valves 5, a group of manual flat gate valves 6 and a group of shunt heads 7, wherein the shunt valve 4 is arranged above the base sled seat 3 and is connected with the shunt valve 4 in the shunt tube 2 at the other side through a short tube flange, the hydraulic gate valves 5, the manual flat gate valves 6 and the shunt heads 7 are sequentially arranged on two sides of the shunt valve 4, and the shunt valve 4 is sequentially connected with the hydraulic gate valves 5, the manual flat gate valves 6 and the shunt heads 7.

In this embodiment, the diverter valve 4 adopts a fracturing four-way 40 and a fracturing nine-way 41, and the fracturing four-way 40 is connected with the fracturing nine-way 41 through a short pipe flange.

In this embodiment, the hydraulic gate valve 5 includes a lower valve cover 50, a lower guide rod 51, a lower valve cover 52, a valve body 53, a valve seat 54, a valve plate 55, a valve rod 56, an upper valve cover 57, a bracket 58, a cylinder body 59, a piston 510, a cylinder head 511, and an indicator 512, wherein the lower valve cover 52 and the lower valve cover 50 are sequentially disposed at the lower side of the valve body 53 and sequentially connected with each other, the lower guide rod 51 is disposed in the valve body 53, the lower end of the lower guide rod 51 extends into the lower valve cover 50, the lower guide rod 51 is connected with the lower valve cover 52, the valve plate 55 is disposed at the upper end of the lower guide rod 51, the valve seat 54 is disposed at the outer side of the valve plate 55, the upper valve cover 57, the bracket 58, the cylinder body 59, and the cylinder head 511 are sequentially disposed at the upper side of the valve body 53 and mutually connected, the upper valve cover 57 is connected with the valve body 53, the piston 510 is disposed in the cylinder body 59, the valve rod 56 is disposed at the upper end of the valve plate 55 and connected with the valve body 55, the upper end of the valve rod 56 extends into the cylinder body 59 and is connected with the piston 510, and the indicator 512 is disposed at the inner side of the lower valve cover 50 and is connected with the lower guide rod 51.

In this embodiment, the manual flat gate valve 6 includes a lower valve cover two 60, a lower guide rod two 61, a lower valve cover two 62, a valve body two 63, a valve seat two 64, a valve plate two 65, a valve rod two 66, an upper valve cover two 67, a rotating nut 68, a hand wheel 69, an upper shield 610, a ball screw 611, and an indicator two 612, the lower valve cover two 60 and the lower valve cover two 62 are sequentially disposed at the lower side of the valve body two 63 and connected with each other, the valve body two 63 is connected with the lower valve cover two 62, the lower guide rod two 61 is disposed in the valve body two 63, the lower end thereof extends into the lower valve cover two 62, the lower guide rod two 61 is movably connected with the lower valve cover two 62, the valve plate two 65 is disposed at the upper end of the lower guide rod two 61, the valve seat two 64 is disposed at the lower end of the valve plate two 65, and connected with the valve plate two 65, the upper valve cover two 67 is disposed at the upper side of the valve body two 63 and connected with the valve body two 63, the lower end of the rotating nut 68 is disposed in the upper valve cover two 67 and connected with the upper cover two 67, the hand wheel 69 is disposed at the outer side of the rotating shield 68, the upper end of the upper shield 69 is disposed at the upper end of the upper nut 68 and the upper end of the upper nut 68 is disposed at the upper end of the upper nut 67 is connected with the upper end of the upper nut 67, and the upper nut is disposed at the upper end of the upper nut 67 is rotatably connected with the upper end of the upper nut 65, and the upper nut is disposed at the upper end of the upper nut is connected.

In this embodiment, the diverter 7 includes a diverter body 70, a component flow sealing head 71, a union flange 72, and a union reducing joint 73, a diverter opening is circumferentially disposed on the diverter body 70, the diverter sealing head 71 is disposed on the diverter opening, the union flange 72 is disposed at an opening at a top end of the diverter body 70 and is connected with the diverter body 70, and the union reducing joint 73 is disposed on an upper side of the union flange 72 and is connected with the union flange 72.

Example 2

In this embodiment, the valve body 53 is connected to the diverter valve 4 and the manual flat gate valve 6, and a passage is provided in the valve body in the lateral direction.

In this embodiment, the second valve body 63 is connected to the manual flat gate valve 6 and the diverter 7, and a passage is provided in the interior thereof in a lateral direction.

In this embodiment, the diverter head body 70 is connected to the manual flat gate valve 6, and the diverter valve 4, the hydraulic gate valve 5, the manual flat gate valve 6, and the diverter head 7 are disposed on the same axis.

In this embodiment, 625 cemented carbide layers are disposed on the walls of all flow passages contacting the medium inside the manifold 1.

Before the hydraulic control valve is used, the shunt manifold 1 is installed and connected according to the actual field requirements, then the driver of the hydraulic gate valve is connected with the control cabinet, and then all control valves are opened to pump the pressure test by the fracturing truck, and the hydraulic control valve is immediately started to be used after the test is qualified. When the hydraulic fracturing truck is used, all valves are opened, the fracturing truck pump is connected with the high-pressure manifold, the high-pressure manifold is connected with the fracturing nine-way pipe 41, the fracturing truck pump is started, the fracturing truck pump pumps medium into the fracturing nine-way pipe 41 and the fracturing four-way pipe 40 through pipelines, then the medium reaches the shunt head 7 through the hydraulic gate valve 5 and the manual flat gate valve 6, and the medium enters the well from the pipeline connected with the shunt opening, so that the fracturing work in the well is realized.

The foregoing is merely a preferred embodiment of the utility model, and it should be noted that modifications could be made by those skilled in the art without departing from the principles of the utility model, which modifications would also be considered to be within the scope of the utility model.

Claims (9)

1. A 175MPa ultra-high pressure erosion resistant shunt manifold comprising:

the shunt manifold (1) comprises a group of component flow pipes (2) and a group of base sled seats (3), wherein the shunt pipes (2) are oppositely arranged on the base sled seats (3) and are connected with the base sled seats (3); shunt tubes (2) are including shunt valve (4), a set of hydraulic gate valve (5), a set of manual flat gate valve (6), a set of reposition of redundant personnel head (7), shunt valve (4) are located collet (3) top, and are connected with shunt valve (4) in shunt tubes (2) of opposite side through the nozzle stub flange, the both sides of shunt valve (4) are located in proper order in hydraulic gate valve (5), manual flat gate valve (6), reposition of redundant personnel head (7), just shunt valve (4) are connected in proper order with hydraulic gate valve (5), manual flat gate valve (6), reposition of redundant personnel head (7).

2. The 175MPa ultra-high pressure erosion resistant shunt manifold of claim 1, wherein: the shunt valve (4) adopts a fracturing four-way valve (40) and a fracturing nine-way valve (41) respectively, and the fracturing four-way valve (40) is connected with the fracturing nine-way valve (41) through a short pipe flange.

3. The 175MPa ultra-high pressure erosion resistant shunt manifold of claim 1, wherein: the hydraulic gate valve (5) comprises a lower valve cover (50), a lower guide rod (51), a lower valve cover (52), a valve body (53), a valve seat (54), a valve plate (55), a valve rod (56), an upper valve cover (57), a bracket (58), a cylinder body (59), a piston (510), a cylinder cover (511) and an indicator (512), wherein the lower valve cover (52) and the lower valve cover (50) are sequentially arranged at the lower side of the valve body (53) and are sequentially connected with each other, the lower guide rod (51) is arranged in the valve body (53) and the lower end of the lower guide rod extends into the lower valve cover (50), the lower guide rod (51) is connected with the lower valve cover (52), the valve plate (55) is arranged at the upper end of the lower guide rod (51), the valve seat (54) is arranged at the outer side of the valve plate (55), the upper valve cover (57), the bracket (58) and the cylinder body (59) are sequentially arranged at the upper side of the valve body (53) and are mutually connected, the upper valve cover (57) is connected with the valve body (53), the piston (510) is arranged in the cylinder body (59), the upper end of the valve rod (55) is connected with the valve plate (55) and extends to the upper end of the valve plate (55), the indicator (512) is arranged on the inner side of the lower valve cover (50) and is connected with the lower guide rod (51).

4. The 175MPa ultra-high pressure erosion resistant shunt manifold of claim 1, wherein: the manual flat gate valve (6) comprises a lower valve cover II (60), a lower guide rod II (61), a lower valve cover II (62), a valve body II (63), a valve seat II (64), a valve plate II (65), a valve rod II (66), an upper valve cover II (67), a rotating nut (68), a hand wheel (69), an upper shield (610), a ball screw (611) and an indicator II (612), wherein the lower valve cover II (60) and the lower valve cover II (62) are sequentially arranged on the lower side of the valve body II (63) and are connected with each other, the valve body II (63) is connected with the lower valve cover II (62), the lower guide rod II (61) is arranged in the valve body II (63), the lower end of the lower guide rod II (61) is movably connected with the lower valve cover II (62), the valve plate II (65) is arranged at the upper end of the lower guide rod II (61), the valve seat II (64) is arranged at the lower end of the valve plate II (65) and is connected with the valve plate II (65), the upper valve cover II (67) is arranged on the upper side of the valve body II (63) and is connected with the upper nut (68) and is rotatably arranged at the upper end of the upper valve cover II (68), the upper shield (610) is arranged at the upper end of the rotating nut (68) and is connected with the rotating nut (68), the valve rod II (66) is arranged in the upper valve cover II (67), the lower end of the valve rod II is connected with the valve plate II (65), the upper end of the valve rod II (66) extends into the rotating nut (68), the ball screw (611) is arranged in the upper shield (610), the lower end of the ball screw is connected with the valve rod II (66), and the indicator II is arranged at the inner side of the lower valve cover II (60).

5. The 175MPa ultra-high pressure erosion resistant shunt manifold of claim 1, wherein: the shunt head (7) comprises a shunt head body (70), a group of component flow sealing heads (71), union flanges (72) and union reducing joints (73), shunt ports are circumferentially formed in the shunt head body (70), the shunt sealing heads (71) are arranged on the shunt ports, the union flanges (72) are arranged at openings in the top ends of the shunt head body (70) and are connected with the shunt head body (70), and the union reducing joints (73) are arranged on the upper sides of the union flanges (72) and are connected with the union flanges (72).

6. A 175MPa ultra-high pressure erosion resistant shunt manifold according to claim 3, wherein: the valve body (53) is connected with the shunt valve (4) and the manual flat gate valve (6), and a passage is transversely arranged in the valve body.

7. The 175MPa ultra-high pressure erosion resistant shunt manifold of claim 4, wherein: the valve body II (63) is connected with the manual flat gate valve (6) and the shunt head (7), and a passage is transversely arranged in the valve body II.

8. The 175MPa ultra-high pressure erosion resistant shunt manifold of claim 5, wherein: the split head body (70) is connected with the manual flat gate valve (6), and the split valve (4), the hydraulic gate valve (5), the manual flat gate valve (6) and the split head (7) are arranged on the same axis.

9. The 175MPa ultra-high pressure erosion resistant shunt manifold of claim 1, wherein: and 625 hard alloy layers are arranged on the walls of all flow passage walls, which are in contact with the medium, inside the shunt manifold (1).

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