CN112459758A

CN112459758A - Fracturing prying equipment

Info

Publication number: CN112459758A
Application number: CN202011187547.9A
Authority: CN
Inventors: 宋承林; 李天阳; 孙贤洲; 丁铮
Original assignee: Qingdao CCS Electric Corp
Current assignee: Qingdao CCS Electric Corp
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-03-09

Abstract

The invention relates to fracturing prying equipment which comprises a base, a power supply device, a variable-frequency speed-regulating all-in-one machine and a fracturing device, wherein: the fracturing device, the variable-frequency speed-regulating all-in-one machine and the power supply device are all fixedly arranged on the base, and the variable-frequency speed-regulating all-in-one machine is positioned between the fracturing device and the power supply device; a cable of the power supply device extends into the variable-frequency speed-regulating all-in-one machine along a position close to the surface of the base and is electrically connected with the variable-frequency speed-regulating all-in-one machine; and the frequency conversion and speed regulation integrated machine is in transmission connection with the fracturing device. The power supply device, the fracturing device and the variable-frequency speed regulation all-in-one machine are fixed into an integral structure, the electric energy of the power supply device is stably supplied to the variable-frequency speed regulation all-in-one machine, the variable-frequency speed regulation all-in-one machine converts the electric energy into mechanical energy and transmits the mechanical energy to the fracturing device, an oil fracturing task can be efficiently realized, the integral structure is compact, extra cable reels and cables are not needed, the resource waste can be effectively reduced, and the equipment is.

Description

Fracturing prying equipment

Technical Field

The present invention relates generally to the field of fracturing. More particularly, the present invention relates to a frac pry apparatus.

Background

The traditional petroleum shale gas fracturing mostly adopts a diesel engine to drive a fracturing pump, has the problems of low efficiency, poor speed regulation performance, high energy consumption, low economy, serious pollution and the like, and the electric drive fracturing pry adopts a motor to drive and has the advantages of clean energy, high energy utilization rate, high efficiency, good speed regulation performance and the like, so the electric drive fracturing pry develops rapidly in recent years.

The electrically driven fracturing pry needs to be additionally provided with special power supply equipment for obtaining electric energy, and the operation site needs to be frequently transferred in the actual work of the fracturing pry, so that the electric energy is easy to be unstable. Generally, in order to obtain stable electric energy, a container type structure is adopted for the power supply equipment, and a wiring device electrically connected with the power supply equipment is arranged in the container. The wiring device is electrically connected with the fracturing pry through a cable with one end extending out of the container, so that power is supplied to the fracturing pry. However, this approach requires additional cable reels and cables, resulting in equipment dispersion and waste of resources.

Disclosure of Invention

Based on the structure, the invention provides the fracturing pry equipment, which not only can enable the fracturing pry to obtain stable electric energy, but also has a compact integral structure and can effectively reduce resource waste.

Specifically, the invention provides a fracturing pry device, which comprises a base, a power supply device, a variable-frequency speed-regulating all-in-one machine and a fracturing device, wherein:

the fracturing device, the variable-frequency speed-regulating all-in-one machine and the power supply device are all fixedly arranged on the base, and the variable-frequency speed-regulating all-in-one machine is positioned between the fracturing device and the power supply device;

a cable of the power supply device extends into the variable-frequency speed-regulating all-in-one machine along a position close to the surface of the base and is electrically connected with the variable-frequency speed-regulating all-in-one machine;

and the frequency conversion and speed regulation integrated machine is in transmission connection with the fracturing device.

In one embodiment, a bridge is arranged on the base, and the cable is arranged along the bridge and extends into the variable-frequency speed-regulating integrated machine.

In one embodiment, a plug is arranged at the tail end of the cable, a socket is arranged on the variable-frequency speed-regulating all-in-one machine, and the plug is in plug-in fit with the socket.

In one embodiment, the fracturing device comprises a plunger pump, and the variable-frequency speed-regulating all-in-one machine is in transmission connection with the plunger pump through a coupler.

In one embodiment, the power supply device comprises a top cover, a fixed frame and a power supply assembly, wherein the fixed frame is welded on the base, the power supply assembly is arranged in the fixed frame, and the top cover is arranged at the top end of the fixed frame.

In one embodiment, an air inlet is formed in the bottom side face of the fixed frame, an air outlet is formed between the top cover and the fixed frame, a fan is arranged at the position, close to the air outlet, of the fixed frame, and the fan is communicated with the air inlet and the air outlet respectively.

In one embodiment, the air inlet is provided with a shutter.

In one embodiment, the power supply assembly comprises a transformer, a switch protection cabinet and a control box, the control box is electrically connected with the transformer and the switch protection cabinet respectively, the control box is fixedly arranged on the side surface of the fixed frame, and a radiator for radiating heat of the power supply assembly is arranged on the side surface of the fixed frame.

In one embodiment, a lighting lamp is further arranged in the fixed frame and electrically connected with the control box.

In one embodiment, the top end of the fixed frame is provided with hoisting blocks around, and the top cover and the hoisting blocks are arranged in a staggered mode.

By utilizing the fracturing pry equipment, the power supply device, the fracturing device and the variable-frequency speed regulation all-in-one machine are fixedly arranged on the same base, so that the power supply device and the fracturing device are fixed into an integrated structure, the variable-frequency speed regulation all-in-one machine is positioned between the fracturing device and the power supply device, and the electric energy of the power supply device is stably supplied to the variable-frequency speed regulation all-in-one machine. The variable-frequency speed regulation all-in-one machine converts electric energy into mechanical energy and transmits the mechanical energy to the fracturing device, so that an oil fracturing task can be efficiently realized. Furthermore, the fracturing equipment is compact in overall structure, and extra cable reels and cables are not needed, so that resource waste can be effectively reduced. In addition, the equipment provided by the invention is high in integration level and stable in electric energy, and functions of variable voltage power supply, control, operation, protection and the like are integrated into a whole, so that the whole structure of the fracturing pry equipment is clear and the layout is attractive.

Drawings

The above and other objects, features and advantages of exemplary embodiments of the present disclosure will become readily apparent from the following detailed description read in conjunction with the accompanying drawings. Several embodiments of the present disclosure are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings and in which like reference numerals refer to similar or corresponding parts and in which:

fig. 1 is a schematic diagram schematically illustrating a frac sled apparatus according to an embodiment of the present invention; and

fig. 2 is a schematic view schematically showing the power supply apparatus of fig. 1.

Detailed Description

The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are some, but not all embodiments of the present disclosure. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.

Specific embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.

Referring to fig. 1 and 2, an embodiment of the present invention provides a fracturing prying apparatus, which includes a base 10, a power supply device 20, a variable-frequency and variable-speed all-in-one machine 30, and a fracturing device (not shown in the figure), and an installation position 40 of the fracturing device is shown in fig. 1.

Specifically, the fracturing device, the variable-frequency speed-regulating all-in-one machine 30 and the power supply device 20 can be fixedly arranged on the base 10, and the variable-frequency speed-regulating all-in-one machine 30 is located between the fracturing device and the power supply device 20. Further, the cable of the power supply device 20 extends into the variable frequency speed control all-in-one machine 30 along a position close to the surface of the base 10, and is electrically connected with the variable frequency speed control all-in-one machine 30. In an application scenario, the variable-frequency speed-regulating all-in-one machine 30 is in transmission connection with the fracturing device.

By utilizing the fracturing pry equipment, the power supply device 20, the fracturing device and the variable-frequency speed-regulating all-in-one machine 30 are fixedly arranged on the same base 10, so that the power supply device 20 and the fracturing device are fixed into an integral structure. Further, by arranging the variable-frequency speed-regulating all-in-one machine 30 between the fracturing device and the power supply device 20, the cable of the power supply device 20 can extend into the variable-frequency speed-regulating all-in-one machine 30 along a position close to the surface of the base 10, so that the electric energy of the power supply device 20 can be stably supplied to the variable-frequency speed-regulating all-in-one machine 30. Further, the variable-frequency speed-regulating all-in-one machine 30 can convert electric energy into mechanical energy and transmit the mechanical energy to the fracturing device, so that the petroleum fracturing task is efficiently realized. It can be seen that the apparatus of the present invention is compact in overall construction, without the need for additional cable reels and cables. By utilizing the connection and arrangement relation, the external wiring on the site can be effectively reduced, the use of cables is reduced, and therefore the resource waste is effectively reduced, and the equipment cost is reduced. Further, the equipment is arranged in a centralized mode, and the output electric energy is stable. In addition, functions of variable voltage power supply, control, operation, protection and the like are integrated, so that the fracturing prying equipment is clear in overall structure and reasonable in layout.

As known to those skilled in the art, conventional electrically driven frac skids generally employ a power supply device that is separate from the frac skid, primarily because the power supply device is electrically connected to the frac skid by a dedicated wiring device. Different from the prior art, the fracturing pry equipment adopts the structure that the power supply device 20, the fracturing device and the variable-frequency speed-regulating all-in-one machine 30 are fixed into a whole, and the power supply device 20 and the variable-frequency speed-regulating all-in-one machine 30 are directly and electrically connected through a cable without a special wiring device.

In one embodiment, the fracturing apparatus comprises a plunger pump at the installation location 40 in fig. 1, and the variable frequency and speed control all-in-one machine 30 is in transmission connection with the plunger pump through a coupling. The power supply device 20 transmits an alternating current power supply to the variable frequency speed control all-in-one machine 30, the variable frequency speed control all-in-one machine 30 adjusts the speed of the alternating current motor by changing the frequency of the alternating current power supply, so that the alternating current motor can be smoothly accelerated or decelerated, and then the plunger pump is driven by the coupler to perform petroleum fracturing operation.

Optionally, in an embodiment, a bridge 110 is disposed on the base 10, and the cable extends into the variable frequency speed control all-in-one machine 30 along the bridge. The cable of the power supply device 20 passes through the bridge frame through the wire outlet cavity, extends into the area where the variable frequency speed control all-in-one machine 30 is located, and is electrically connected with the variable frequency speed control all-in-one machine 30. It can be seen that the present invention integrally arranges the adjacent power supply devices 20 and the variable frequency and speed control all-in-one machine 30, so that the power supply devices can be electrically connected through a cable with a short distance. In addition, the cable is arranged along the bridge, and the cable can be well protected in the wiring mode, and the circuit is clear and regular and is prevented from being disordered, so that potential safety hazards can be effectively reduced.

Optionally, in an embodiment, a plug is disposed at the end of the cable, and a socket is disposed on the variable frequency speed control all-in-one machine 30, so that the plug and the socket are in plug-in fit. The plug on the cable of the power supply device 20 is in pluggable fit with the socket on the variable-frequency speed-regulating all-in-one machine 30, so that the two can be electrically connected. According to a specific implementation scene, the arrangement positions of the plug and the socket can be interchanged. Alternatively, the power supply device 20 and the VFO 30 may directly use a cable to electrically connect the two, rather than the aforementioned plug and socket.

Referring to fig. 1 and 2, in particular, in one embodiment, the power supply device 20 may include a top cover 210, a fixing frame 220, and a power supply assembly 230. Specifically, the fixing frame 220 may be welded to the base 10, the power supply assembly 230 is disposed in the fixing frame 220, and the top cover 210 covers the top end of the fixing frame 220. The power supply assembly 230 can be used to provide the electric power required by the VFSG 30 by accommodating the power supply assembly 230 through the fixing frame 220 welded on the base 10. By covering the top cover 210 on the top end of the fixing frame 220, the power supply module 230 can be accommodated in a relatively closed space, thereby providing a good protection for the power supply module 230. Further, the present invention enables the power supply assembly 230 to be stably disposed on the base 10 through the fixing frame 220 and the top cover 210, so as to form an integral body with the integrated VFSG 30 and the fracturing device, which also facilitates transportation of the integral structure.

Referring to fig. 2, further, in an embodiment, an air inlet 222 is disposed at a bottom side of the fixing frame 220, and an air outlet 224 is disposed between the top cover 210 and the fixing frame 220. The fixed frame 220 is provided with a fan 240 at a position close to the air outlet 224, and the fan is respectively communicated with the air inlet and the air outlet 224. Because the power supply assembly 230 is disposed in the fixed frame 220, and the power supply assembly 230 generates a large amount of heat during operation, the air inlet 222 is disposed on the bottom side of the fixed frame 220, the air outlet 224 is disposed between the top cover 210 and the fixed frame 220, and the fan is disposed near the air outlet 224, so that the heat in the fixed frame 220 can be conducted out of the air outlet 224 by the operation of the fan. Meanwhile, due to the influence of the negative pressure inside the fixing frame 220, the external cold air may enter the fixing frame 220 through the air inlet 222 and absorb heat inside the fixing frame 220. Then, with the air drawn by the fan, the heat can be continuously conducted out toward the air outlet 224, so as to achieve the purpose of dissipating heat for the power supply assembly 230. Further, the present invention provides the air outlet 224 between the top cover 210 and the fixing frame 220. Therefore, the air outlet 224 may be formed between the top cover 210 and the fixing frame 220 by disposing a spacer between the fixing frame 220 and the top cover 210 or disposing a hollow bracket, so that the air outlet 224 is located at a side of the top cover 210. Such an arrangement may prevent rain water from entering the inside of the fixing frame 220, thereby protecting the power supply assembly 230 within the frame.

Compared with the existing power supply equipment, the power supply equipment provided by the embodiment of the invention has the advantages of more compact interior and higher space utilization rate. For example, existing power supply equipment typically vents air through self-hanging louvers over both sides of the housing. In addition, the air outlet area is larger because the air outlet and the top cover 210 are designed into a whole and the air outlet is arranged around the top cover 210. Compared with the air outlet of the self-hung shutter, the height of the equipment can be lower under the condition of the same air outlet area, and the air outlet area of the equipment is larger under the condition of the same height.

The number of the exhaust openings 224 or the intake openings 222 may be set to one or more (for example, two, three, or four, etc.) according to different application scenarios and working conditions, and may be set to exhaust air around the top cover 210. In view of this, the ventilation of the present invention is not limited in any way in terms of the number of the air outlets 224 or the air inlets 222.

Referring to fig. 2, further, in an embodiment, a louver 226 is disposed at the air inlet 222. The louver 226 is disposed at the air inlet 222, so as to prevent water and dust, thereby preventing rainwater or dust from entering the fixing frame 220 through the air inlet 222. In one embodiment, the power supply assembly 230 includes a transformer 232, a switch protection cabinet 234, and a control box 236. The control box 236 is electrically connected to the transformer 232 and the switch protection cabinet, and the control box 236 is fixedly disposed at a side of the fixing frame 220. The present invention facilitates the observation and adjustment of parameters of the transformer 232 or the electrical components within the switch protection cabinet 234 through the control box 236 located at the side of the fixed frame 220. In some application scenarios, the inventive transformer may transform a high voltage, e.g. 10kV, in the field to a low voltage, e.g. 3300V, for driving the motor. Thus, it can be appreciated that the integrated frac sled apparatus of the present invention also performs the function of transforming pressure that the prior art currently does not provide.

Further, the present invention arranges the control box 236 to be located at a side far from the cable, so that a control operation far from the cable can be performed, thereby increasing the safety level accordingly. Further, a heat sink 260 for dissipating heat of the power supply module 230 is disposed at a side of the fixing frame 220. The heat in the fixing frame 220 can be further dispersed by the heat sink at the side of the fixing frame 220. It should be understood that the power supply device 20 of the present invention is highly integrated, and can realize the integration of the functions of voltage transformation power supply, control, operation, protection, etc.

Optionally, in an embodiment, a lighting lamp 250 is further disposed in the fixing frame 220, and the lighting lamp is electrically connected to the control box 236. Through setting up light 250, be convenient for illuminate inside fixed frame 220 to each device inside convenient maintenance and looking over.

Referring to fig. 2, in one embodiment, the top end of the fixing frame 220 is provided with lifting blocks 270 around, and the top cover 210 is arranged to be staggered with respect to the lifting blocks 270. Temporary hoisting blocks 270 are arranged around the top end of the fixed frame 220, the hoisting blocks 270 are exposed out of the periphery of the top cover 210, and the hoisting blocks 270 on the top are integrated with the fixed frame 220. After the fixed frame 220 is assembled on the base 10 through the hoisting block 270, the hoisting block 270 is cut off, so that the situation that the hoisting block 270 on the power supply device 20 is mistakenly hoisted when the fracturing prying device is hoisted integrally can be prevented, and accidents are caused.

In the above description of the present specification, the terms "fixed," "mounted," "connected," or "connected," and the like, are to be construed broadly unless otherwise expressly specified or limited. For example, with the term "coupled", it can be fixedly coupled, detachably coupled, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship. Therefore, unless the specification explicitly defines otherwise, those skilled in the art can understand the specific meaning of the above terms in the present invention according to specific situations.

From the above description of the present specification, those skilled in the art will also understand the terms used below, terms indicating orientation or positional relationship such as "upper", "lower", "front", "rear", "left", "right", "length", "width", "thickness", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", "central", "longitudinal", "transverse", "clockwise" or "counterclockwise" and the like are based on the orientation or positional relationship shown in the drawings of the present specification, it is for the purpose of facilitating the explanation of the invention and simplifying the description, and it is not intended to state or imply that the devices or elements involved must be in the particular orientation described, constructed and operated, therefore, the above terms of orientation or positional relationship should not be construed or interpreted as limiting the present invention.

In addition, the terms "first" or "second", etc. used in this specification are used to refer to numbers or ordinal terms for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present specification, "plural groups" means at least two, for example, two, three or more groups, and the like, unless otherwise specifically limited.

While this specification has shown and described various embodiments of the invention, it will be obvious to those skilled in the art that such embodiments are provided by way of example only. Numerous modifications, changes, and substitutions will occur to those skilled in the art without departing from the spirit and scope of the present invention. It should be understood that various alternatives to the embodiments of the invention described herein may be employed in practicing the invention. It is intended that the following claims define the scope of the invention and that the module compositions, equivalents, or alternatives falling within the scope of these claims be covered thereby.

Claims

1. The utility model provides a fracturing sled equipment which characterized in that, includes base, power supply unit, Variable Frequency Speed Governing (VFSG) all-in-one and fracturing device, wherein:

2. The fracturing skid device of claim 1, wherein a bridge is disposed on the base, and the cable extends into the variable frequency speed control all-in-one machine along the bridge.

3. The fracturing and prying device of claim 1, wherein a plug is arranged at the tail end of the cable, a socket is arranged on the variable-frequency and speed-regulating all-in-one machine, and the plug is in plug-in fit with the socket.

4. The fracturing sled apparatus of claim 1, wherein the fracturing device comprises a plunger pump, and the variable frequency and speed regulation all-in-one machine is in transmission connection with the plunger pump through a coupler.

5. The fracturing pry apparatus of any one of claims 1-4, wherein the power supply device comprises a top cover, a fixed frame welded to the base, and a power supply assembly disposed within the fixed frame, the top cover disposed at a top end of the fixed frame.

6. The fracturing pry apparatus of claim 5, wherein an air inlet is formed in a bottom side of the fixed frame, an air outlet is formed between the top cover and the fixed frame, a fan is arranged at a position of the fixed frame close to the air outlet, and the fan is communicated with the air inlet and the air outlet respectively.

7. The frac sled apparatus of claim 6 wherein the air intake is provided with louvers.

8. The fracturing and prying device of claim 5, wherein the power supply assembly comprises a transformer, a switch protection cabinet and a control box, the control box is electrically connected with the transformer and the switch protection cabinet respectively, the control box is fixedly arranged on the side surface of the fixed frame, and a radiator for radiating the power supply assembly is arranged on the side surface of the fixed frame.

9. The frac sled apparatus of claim 8 wherein an illumination lamp is further disposed within said stationary frame, said illumination lamp being electrically connected to said control box.

10. The fracturing pry apparatus of claim 5, wherein hoisting blocks are arranged around the top end of the fixed frame, and the top cover is arranged in a staggered manner with respect to the hoisting blocks.