CN219874634U - Skid-mounted well site integrated electric control equipment - Google Patents

Abstract

The utility model discloses skid-mounted well site integrated electric control equipment which is mainly used for solving the problem of difficult electricity consumption in petroleum and natural gas exploration and development in remote areas. With the development of the existing oil-gas field development technology, the conventional design scheme has low equipment reuse rate, scattered installation of strong and weak electric equipment, long indoor wiring and cable installation period and difficult standardization of design, purchase and construction of electric and control systems. The utility model integrates a high-voltage cabinet, a high-voltage alternating-current contactor, a dry rectifier transformer, a motor control cabinet, a frequency converter cabinet, a plug-in cabinet, a cable drum, an environment management system and the like into a movable skid-mounted cabin body, reduces field installation and wiring, realizes equipment integration, pre-wiring and advanced debugging, and achieves the purposes of reducing equipment floor area, reducing construction cost, shortening construction period and reducing field installation and debugging workload.

Description

Skid-mounted well site integrated electric control equipment

Technical Field

The utility model relates to skid-mounted well site integrated electric control equipment, and belongs to the technical field of power supply and distribution; in particular to electrical control equipment for petroleum and natural gas exploration and development sites.

Background

The well sites of land petroleum and natural gas engineering are mostly located in remote areas, and the landform features are mostly hilly, partition desert, mountain areas and the like. In conventional designs, power supply and distribution systems, automatic control systems and the like matched with well sites are generally installed in permanent buildings in a centralized manner. Along with the rapid development of the natural gas industry of oil and gas fields, the conventional design scheme has low equipment reuse rate, relatively scattered equipment installation of strong and weak electricity, long debugging period of secondary cable installation, difficulty in standardization of the design, purchase, construction and the like of the electric and control system of the station, and cannot meet the increasing supply and demand relation, so that development and design of well site integrated electric control equipment with standardized design, factory prefabrication, integrated installation, high equipment reuse rate and convenient movement are urgently required.

Disclosure of Invention

The utility model aims to provide skid-mounted well site integrated electric control equipment which is used for solving the problems of low repeated utilization rate and long construction period of the existing land petroleum and natural gas engineering electric control system.

In order to achieve the above object, the present utility model provides a method comprising:

the utility model relates to a technical scheme of skid-mounted well site integrated electric control equipment, which comprises a skid-mounted underframe and a cabin body arranged on the skid-mounted underframe, wherein the cabin body is at least divided into a high-pressure chamber, a transformer chamber and a low-pressure chamber; the high-voltage chamber is internally provided with a high-voltage cabinet for externally accessing a high-voltage line; the transformer room is internally provided with a transformer and a high-voltage contactor, the high-voltage side of the transformer is connected with an outlet end of the high-voltage cabinet through the high-voltage contactor, and the low-voltage side is used for providing a low-voltage power supply; and low-pressure equipment for well sites is arranged in the low-pressure chamber.

The utility model provides skid-mounted well site integrated electric control equipment, which achieves the aims of standardized design, factory prefabrication, integrated installation, high equipment recycling rate, convenient movement, small occupied area and the like, and can highlight the application value in future oil and gas field engineering projects.

Further, the skid-mounted underframe is formed by combining an upper bottom plate of an upper layer and a lower bottom plate of a lower layer, and a hollow interlayer for arranging cables is formed in the middle; a pressing insulating rubber pad is paved on the upper bottom plate, and a square pipe support for fixing cables is arranged on the lower bottom plate.

The double-layer underframe design is adopted, so that the arrangement of the low-voltage cables in the interior is facilitated, and the cables can be prevented from being damaged when the equipment is moved and reset.

Furthermore, in order to prevent the outside of the cabin body from water seepage to the inside of the underframe, the upper bottom plate and the lower bottom plate are connected through I-steel or channel steel support, and the lower bottom plate and the I-steel or channel steel are welded together.

Further, a plug-in chamber door is arranged on the cabin body at one incoming line side of the high-voltage cabinet, and the plug-in chamber door is formed by assembling an upper door part and a lower door part; the upper half door is hinged on the cabin body, and the lower half door is hinged on the upper half door and is used for accessing an external high-voltage cable.

Through the design of the grafting room door of two part door plant, can provide the convenience when making and installing the cable, play waterproof, dustproof, prevent beneficial effect such as toy entering moreover after the cable installation is accomplished.

Further, in order to facilitate keeping the lower half door open, container hooks are arranged on the lower half door, and corresponding hook anchor points are arranged at corresponding positions on the upper half door.

Further, in order to ensure the safety and stability of the transformer during operation, the temperature and humidity in the transformer chamber are maintained to be constant, an axial flow fan is arranged on the upper portion of the corresponding side cabin body of the transformer chamber, and a shutter is arranged on an airflow channel of the axial flow fan.

Further, in order to filter dust particles of the on-site air of the well site, filter cotton is further arranged between the axial flow fan and the shutter, a protective cover plate with the top end hinged with the cabin body is arranged outside the shutter, and a pneumatic spring is further arranged between the protective cover plate and the cabin body to control the protective cover plate to be opened and closed.

Through the protective cover plate, the axial flow fan is covered when the axial flow fan is not used, so that the service life of the axial flow fan is prolonged; meanwhile, when the protective cover plate hinged to the top is opened, shielding is naturally formed at the tops of the axial flow fan and the shutter, dust fall and precipitation are prevented, and the service lives of the axial flow fan and the shutter are further prolonged.

Further, an industrial air conditioner is arranged on the side cabin body corresponding to the low-pressure chamber; the refrigerating end of the industrial air conditioner is positioned in the low-pressure chamber, and the radiating end is positioned outside the cabin body and has the same airflow direction with the axial flow fan.

The industrial axial flow fan and the industrial air conditioner are arranged on the same side, so that the industrial fan is prevented from sucking hot air discharged by the industrial air conditioner into the transformer room again.

Further, the cabin body also comprises a splicing chamber and a cable roller chamber; a plug-in cabinet is arranged in the plug-in chamber; the cable drum chamber is provided with a cable drum, and a cable for connecting the high-voltage cabinet and an external high-voltage power supply is wound on the cable drum.

The cable drum is provided with the high-voltage cable prefabricated in advance, so that the cable connection from the field power supply to the electric control sledge high-voltage cabinet is satisfied, and the adverse factors of field cable manufacture and the problem that the insulation test is inconvenient after the field cable manufacture are avoided.

Further, the low-voltage equipment for the well site comprises a frequency converter cabinet and a motor control cabinet; the high-voltage cabinet comprises a 10 kilovolt incoming line cabinet, a 6 kilovolt incoming line cabinet, a corresponding PT cabinet and an appearance cabinet; the low-pressure chamber is provided with a temperature and humidity sensor and a combustible gas sensor, and the transformer chamber is provided with a temperature and humidity controller and an electric heater.

The two groups of high-voltage cabinets are respectively a 10kV high-voltage cabinet and a 6kV high-voltage cabinet, so that the requirements of different projects on site input voltage grades can be met simultaneously, and the recycling rate of the equipment is improved. The equipment provided by the utility model not only has a perfect environment management system and the capability of coping with outdoor severe environment working conditions, but also can avoid the risk of combustible gas in a well site.

Drawings

FIG. 1 is a schematic diagram of a front view of a skid-mounted wellsite integrated electronic control device of the present utility model;

FIG. 2 is a schematic diagram of a cross-sectional view of skid-mounted wellsite integrated electronic control device in a top view (A-A) of the present utility model;

FIG. 3 is a schematic diagram of a cross-sectional view of a skid-mounted wellsite integrated electronic control device in a rear view direction (B-B);

FIG. 4 is a schematic diagram of a left-hand structure of skid-mounted wellsite integrated electronic control device of the present utility model;

FIG. 5 is an enlarged view of a portion of the 6kV inlet door at II in FIG. 1;

FIG. 6 is an enlarged view of a portion of the chassis at I in FIG. 3;

fig. 7 is an enlarged view of a portion of the structure at the guard of the industrial fan 36.

The drawings include: 1-an electric control sledge cabin body, 4-a cable drum, 11-a high-voltage chamber, 12-a transformer chamber, 13-a low-voltage chamber, 14-a tool chamber, 15-a plug-in chamber, 16-a cable drum chamber, 17-a plug-in cabinet, 21-a sledge underframe, 22-a fan protection plate, 23-a low-voltage chamber top cover, 24-a protection steel mesh, 25-an embedded cat ladder, 27-an outdoor spotlight, 28-an acousto-optic alarm lamp, 29-a fire extinguisher, 31-an integrated industrial air conditioner, 32-a low-voltage room temperature hygrometer, 33-a methane gas alarm, 34-a dry-type transformer temperature and humidity controller, 35-an electric heater, 36-an industrial fan, 41-10 kV high-voltage cabinet, 42-6 kV high-voltage cabinet, 43-dry-type rectification variable transformer, 44-10 kV high-voltage contactor and 45-6 kV high-voltage contactor, 46-high-voltage cable, 47-motor control cabinet, 48-frequency converter cabinet, 49-low-voltage cable, 64-transformer outdoor door, 66-6 kV inlet wire room door, 67-access door, 68-10 kV high-voltage outdoor door, 69-6 kV high-voltage outdoor door, 70-transformer indoor door, 101-upper door, 102-hinge, 103-container hook, 104-lower door, 105-door panel rotation lock, 201-pressing insulating rubber mat, 202-hidden handle, 203-detachable cover plate, 204-square tube bracket, 205-underframe lower layer steel plate, 301-upper threshold, 302-guard plate rotation lock, 303-pneumatic spring, 304-U-shaped fixing piece, 305-fan mounting plate, 306-industrial filter cotton, 307-detachable shutter, 308-lower threshold.

Detailed Description

The present utility model will be further described in detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent.

The skid-mounted well site integrated electric control equipment is simply called an electric control skid in the embodiment, and the electric control skid mainly comprises an electric control skid cabin body 1, an environment management system and a well site electric and control system, wherein the environment management system and the well site electric and control system are arranged in the electric control skid cabin body 1.

As shown in fig. 1, the electric control sledge cabin body 1 adopts an all-steel frame structure, is externally covered with corrugated plates, and adopts polystyrene insulating environment-friendly materials as heat preservation and insulation layers; the low-pressure room top cover 23 adopts a detachable structure, a protective steel net 24 is arranged above the integrated industrial air conditioner 31, and an embedded ladder stand 25 is arranged on the right side, so that the top of the electric control sledge cabin body 1 can be conveniently stepped on; the underframe 21 adopts a skid-mounted structure, is divided into an upper layer and a lower layer, and is provided with a cable passage interlayer in the middle.

As shown in fig. 6, a detachable cover plate 203 is adopted as the bottom plate at the upper part of the skid-mounted underframe 21, the periphery of the cover plate is folded, a hidden handle 202 is designed, the cable connection between internal electric equipment is convenient to detach, and a pressing insulating rubber pad 201 is paved on the bottom plate at the upper part; the lower bottom plate is welded with I-steel, channel steel and the like on the skid-mounted underframe 21 together by adopting a thick steel plate (an underframe lower layer thick steel plate 205), so that the outside of the cabin body can not permeate water into the underframe. The square pipe bracket 204 used for fixing the cable is designed on the lower bottom plate, so that the cable in the interlayer is conveniently fixed and installed according to voltage level, application and the like, and the cable is prevented from being damaged due to friction when the on-site electric control sledge is frequently carried or moved, and the project construction progress is further influenced.

Fig. 2 is a cross-sectional view of the electric control sledge cabin 1, wherein the right-angle fan-shaped parts around the electric control sledge cabin represent doors which can be opened and closed at corresponding positions. The plug-in room door (in fig. 2, the plug-in room door is located at a corresponding position of the plug-in room 15), the 10kV wire-in room door (in fig. 2, the 10kV wire-in room door is located at the side of the high-voltage room 11 at the side of the 10kV high-voltage cabinet 41) and the 6kV wire-in room door 66 (in fig. 2, the 6kV wire-in room door 66 is located at the side of the high-voltage room 11 at the side of the 6kV high-voltage cabinet 42) on the electric control sledge cabin body 1 are assembled by an upper door plate and a lower door plate. Taking the 6kV incoming line room door 66 as an example, as shown in fig. 5, the door 101 of the upper half part is welded on the upright post of the electric control sledge frame through a hinge, the door 104 of the lower half part is welded on the door of the upper half part through a hinge 102 by adopting a flip-type structure, a door plate rotating lock 105 and a container hook 103 are designed on the door of the lower half part, and the door 104 of the lower half part can be lifted and hung on the door plate of the door 101 of the upper half part through the container hook 103, so that a proper channel is reserved for an incoming line cable. Through the design, the cable can be conveniently manufactured and installed, and the cable has the beneficial effects of being waterproof, dustproof, preventing small animals from entering after the cable is installed.

As shown in fig. 4, the electric control sledge cabin body 1 is provided with a 10kV high-voltage outdoor door 68 and a 6kV high-voltage outdoor door 69 corresponding to the 10kV high-voltage cabinet 41 and the 6kV high-voltage cabinet 42 on the side surface of one end of the high-voltage chamber 11. The upper parts of the 10kV high-voltage outdoor door 68 and the 6kV high-voltage outdoor door 69 are provided with an outdoor spotlight 27 and an acousto-optic alarm lamp 28 for indicating the overrun of the concentration of the combustible gas in the electric control sledge cabin body 1; the outdoor spot light 27 may be used for illumination at a job site.

Further, as shown in fig. 1 and 2, the electric control sledge cabin body 1 is provided with an integrated industrial air conditioner 31 for cooling the inside of the low-pressure chamber 13 of the electric control sledge cabin body 1, the upper part of the integrated industrial air conditioner 31 is provided with a protection steel net 24 which is detachably designed, and the rear part of the integrated industrial air conditioner is provided with an access net door 67, thereby not only meeting the requirement of air inlet and outlet of the air conditioner, but also protecting the industrial air conditioner from being damaged by foreign objects on site and realizing an anti-theft function.

As shown in fig. 2, the industrial fan 36 on the electric control sledge cabin body 1 is installed adjacent to the integrated industrial air conditioner 31 on the same side, and exhaust air to the same side of the industrial air conditioner radiating through the industrial fan 36 can prevent hot air exhausted by the industrial air conditioner from being re-sucked into the transformer room 12.

Further, as shown in fig. 7, an outward opening type fan guard 22 is designed at an air outlet of the industrial fan 36, the fan guard 22 is welded on an upper threshold 301 of the transformer outdoor door 64 through a hinge, a fan mounting plate 305 is welded on the electric control sledge cabin body 1 in an embedded mode, the industrial fan 36 is mounted on the back of the fan mounting plate 305, a detachable louver 307 is mounted on the front, industrial filter cotton 306 is mounted between the louver and the industrial fan 36, a U-shaped fixing piece 304 is welded on the fan mounting plate 305 and the fan guard 22 at corresponding positions respectively, pneumatic springs 303 are hinged on the two U-shaped fixing pieces 304, a guard plate rotating lock 302 is designed on the fan guard 22, and the guard plate rotating lock 302 can be locked and fixed on a lower threshold 308 of the transformer outdoor door 64 when the guard plate is closed. When the electric control equipment does not operate, the fan protection plate 22 is closed and locked, so that the protection level of the air outlet of the industrial fan 36 is ensured, and the service time of the detachable louver 307 and the industrial filter cotton 306 is prolonged; when the electric control device is operated, the unlocked fan guard 22 can be easily opened by the pneumatic spring 303; in addition, the open fan guard 22 provides a good working environment for the industrial fan 36 to blow out, with a degree of rain, sun and dust protection.

The electric control sled pressing function can be divided into: high-voltage chamber 11, transformer chamber 12, low-voltage chamber 13, tool chamber 14, plug-in chamber 15 and cable drum chamber 16. 2 groups of high-voltage cabinets, namely a 10kV high-voltage cabinet 41 and a 6kV high-voltage cabinet 42, are arranged in the high-voltage chamber 11; 2 high-voltage alternating-current contactors (10 kV high-voltage alternating-current contactor 44 and 6kV high-voltage alternating-current contactor 45 respectively) and 1 dry rectifying and converting transformer 43 are arranged in the transformer chamber 12; the low-pressure chamber 13 is internally provided with a motor control cabinet 47, a frequency converter cabinet 48 and an industrial air conditioner 31; the tool compartment 14 is used for storing various tools and spare parts; a plug-in cabinet 17 is arranged in the plug-in chamber 15, plug-in sockets for connecting various electric equipment on site are designed on the plug-in cabinet 17, and names of various loops are displayed on a label above the sockets; the cable drum chamber 16 houses the cable drum 4 and fire extinguisher 29.

The environment management system in the electric control sledge consists of two aspects of environment management in a low-voltage room and environment management in a transformer room. The environment management system in the low pressure room mainly comprises an integrated industrial air conditioner 31, a low pressure room temperature hygrometer 32, a methane gas alarm 33 and an acousto-optic warning lamp 28 arranged outside the electric control sledge cabin body 1. When the temperature, humidity and the like in the low-pressure chamber 13 reach set fixed values, the industrial air conditioner is started, and the MCC cabinet (motor control cabinet 47), the frequency converter cabinet 48 and the like are ensured to run in the optimal environment at the same time; meanwhile, the methane gas alarm 33 in the low-pressure chamber 13 is mainly used for monitoring whether inflammable and explosive gas enters the electric control sledge cabin body 1 on the site of the oil and gas field, and when methane enters the low-pressure chamber 13, the audible and visual alarm 28 is quickly started to remind site constructors of eliminating hidden danger in time. On the other hand, a set of environmental management system is also designed in the transformer room 12, mainly comprising a dry-type transformer temperature and humidity controller 34, an electric heater 35, an industrial axial flow fan (industrial fan 36), a smoke alarm and the like, wherein the temperature and humidity controller is arranged on the door 70 in the transformer room, and when the temperature or humidity in the transformer room reaches the constant value of the temperature controller, the fan 36 or the electric heater 35 is quickly started so as to ensure the safety and stability of the dry-type rectifier transformer 43 during operation.

As shown in fig. 2 and 3, the well site electric and control system mainly comprises 2 groups of high-voltage cabinets (10 kV high-voltage cabinet 41 and 6kV high-voltage cabinet 42, 2 high-voltage alternating-current contactors (10 kV high-voltage contactor 44 and 6kV high-voltage contactor 45), a dry rectifier transformer 43, a motor control cabinet 47, a frequency converter cabinet 48, a plug-in cabinet 17, a cable drum 4, a high-voltage cable 46 and a high-voltage cable 49, and the two groups of high-voltage cabinets of the 10kV high-voltage cabinet 41 and the 6kV high-voltage cabinet 42 can simultaneously meet the requirements of different field input voltage levels of different projects, so that the repeated utilization rate of electric control sledge equipment is improved; the two high-voltage AC contactors of 10kV high-voltage AC contactor 44 and 6kV high-voltage AC contactor 45 are matched with the high-voltage side of dry rectifying transformer 43 through high-voltage cable 46, the delta and Y switching of the high-voltage terminal connection group of the transformer is completed, the same low-voltage can be output when different input voltages (10 kV or 6 kV) are met, and further, low-voltage power supplies with different frequencies are provided for various electric equipment on site, the low-voltage side of the dry rectifying transformer 43 is connected with low-voltage chamber 13 through low-voltage cable 49 to provide low-voltage power supply, the wiring arrangement of the low-voltage cable 49 can utilize the interlayer of skid-mounted chassis 21, various standardized sockets with different currents, functions and purposes are designed on the plug-in cabinet 17, the rear part of the socket is connected with switch components on the motor control cabinet 47 or the frequency converter cabinet 48, the requirements of various electric equipment or motors on site are met, the trouble caused by the non-uniformity of various sockets on site is reduced, the on-site working efficiency is improved, the high-voltage cable drum 4 is designed with prefabricated high-voltage cable in advance, the electric control skid-voltage cable connection from the on-site power supply to the high-voltage cabinet is met, the problem that cables are difficult to manufacture in the field and insulation tests are inconvenient after the field cables are manufactured is avoided.

Claims (10)

1. The skid-mounted well site integrated electric control equipment is characterized by comprising a skid-mounted underframe and a cabin body arranged on the skid-mounted underframe, wherein the cabin body is at least divided into a high-pressure chamber, a transformer chamber and a low-pressure chamber; the high-voltage chamber is internally provided with a high-voltage cabinet for externally accessing a high-voltage line; the transformer room is internally provided with a transformer and a high-voltage contactor, the high-voltage side of the transformer is connected with an outlet end of the high-voltage cabinet through the high-voltage contactor, and the low-voltage side is used for providing a low-voltage power supply; the low-pressure chamber is internally provided with low-pressure equipment for well sites; the skid-mounted underframe is formed by combining an upper bottom plate of an upper layer and a lower bottom plate of a lower layer, and a hollow interlayer for arranging cables is formed in the middle.

2. The skid-mounted well site integrated electronic control device according to claim 1, wherein a pressing insulating rubber pad is paved on the upper bottom plate, and a square pipe support for fixing cables is arranged on the lower bottom plate.

3. The skid-mounted wellsite integrated electronic control device of claim 2, wherein the upper base plate and the lower base plate are connected through a support of I-steel or channel steel, and the lower base plate and the I-steel or channel steel are welded together.

4. The skid-mounted well site integrated electric control device according to claim 1, wherein a plug-in chamber door is arranged on a cabin body at one incoming line side of the high-voltage cabinet, and the plug-in chamber door is formed by assembling an upper part door and a lower part door; the upper half door is hinged on the cabin body, and the lower half door is hinged on the upper half door and is used for accessing an external high-voltage cable.

5. The skid-mounted wellsite integrated electronic control device of claim 4, wherein container hooks are arranged on the lower half door, and corresponding hook anchor points are arranged on corresponding positions on the upper half door.

6. The skid-mounted well site integrated electronic control device according to claim 1, wherein an axial flow fan is arranged at the upper part of a side cabin corresponding to the transformer chamber, and a shutter is arranged on an airflow channel of the axial flow fan.

7. The skid-mounted well site integrated electronic control device according to claim 6, wherein filter cotton is further arranged between the axial flow fan and the shutter, a protective cover plate with the top end hinged with the cabin body is arranged outside the shutter, and a pneumatic spring is further arranged between the protective cover plate and the cabin body to control the protective cover plate to be opened and closed.

8. The skid-mounted well site integrated electronic control device according to claim 6, wherein an industrial air conditioner is arranged on a side cabin corresponding to the low-pressure chamber; the refrigerating end of the industrial air conditioner is positioned in the low-pressure chamber, and the radiating end is positioned outside the cabin body and has the same airflow direction with the axial flow fan.

9. The skid-mounted wellsite integrated electronic control device of claim 1, wherein the cabin further comprises a plug-in chamber and a cable drum chamber; a plug-in cabinet is arranged in the plug-in chamber; the cable drum chamber is provided with a cable drum, and a cable for connecting the high-voltage cabinet and an external high-voltage power supply is wound on the cable drum.

10. The skid-mounted wellsite integrated electronic control device of claim 1, wherein the wellsite low voltage device comprises a frequency converter cabinet and a motor control cabinet; the high-voltage cabinet comprises a 10 kilovolt incoming line cabinet, a 6 kilovolt incoming line cabinet, a corresponding PT cabinet and an appearance cabinet; the low-pressure chamber is provided with a temperature and humidity sensor and a combustible gas sensor, and the transformer chamber is provided with a temperature and humidity controller and an electric heater.