CN217327258U - Novel electric blowout preventer - Google Patents
Novel electric blowout preventer Download PDFInfo
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- CN217327258U CN217327258U CN202220935448.2U CN202220935448U CN217327258U CN 217327258 U CN217327258 U CN 217327258U CN 202220935448 U CN202220935448 U CN 202220935448U CN 217327258 U CN217327258 U CN 217327258U
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- blowout preventer
- lead screw
- flashboard
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Abstract
The utility model relates to the technical field of special operation equipment of oil and gas fields, in particular to a novel electric blowout preventer, which comprises a blowout preventer and an electric system; the blowout preventer comprises a blowout preventer body and groups of rams arranged in the blowout preventer body; each group of flashboards are respectively controlled by a group of electric systems; the electric system comprises an explosion-proof motor, a speed reducer, a steering mechanism, a lead screw and a protective pipe; the explosion-proof motor is connected with the speed reducer and drives the screw rod, the protective pipe and the large piston to move through the steering mechanism; the large pistons are arranged in the blowout preventer body, and the electric system controls the opening and closing of each group of gate plates by driving the corresponding large pistons. The utility model discloses drive the lead screw push rod as power by explosion-proof machine, carry out opening and shutting, actions such as sealed of preventer flashboard, the traditional three-cylinder piston structure of single lead screw push rod replacement has solved spare parts processing oil circuit problems such as preventer body, big flange.
Description
Technical Field
The utility model relates to an oil gas field special type operation equips technical field, specifically relates to a novel electronic preventer.
Background
With the continuous deepening of oil and gas exploration and yield increase development, the continuous perfection of the on-site power grid laying of oil and gas fields and the new technical development of new energy in China, the power driving mode of equipment in each industry is gradually changed into the electric driving mode, and the electric driving device is energy-saving, environment-friendly and high in control precision.
A coiled tubing blowout preventer is applied to coiled tubing tripping operation in oil fields. The four-ram blowout preventer is sequentially provided with a full-seal ram, a shear ram, a slip ram and a semi-seal ram from top to bottom. And the upper end of the four-ram blowout preventer is connected with a blowout prevention box. The four ram blowout preventers all adopt circular ram cavities.
A union is fixed at the lower end of the four-ram blowout preventer. The upper end of the four-ram blowout preventer is provided with a union which is connected with a blowout prevention box. The effect is as follows: the special requirements of the continuous oil pipe construction operation on well control can be met, the quick connection is realized, and the union is convenient to replace.
The traditional blowout preventer mainly comprises a shell, oil cylinders, a cylinder cover, pistons, piston rods, a locking shaft, sealing elements, flashboards and the like, wherein the left side and the right side of each layer of the flashboards are respectively controlled by the oil cylinders and the pistons in three ways, the blowout preventer performs actions of opening, closing and sealing the flashboards and the like, and the pistons are pushed by hydraulic pressure through the control of an external hydraulic oil station, so that the flashboards are driven to be closed and opened, a well mouth is sealed or opened, and the purposes of sealing and opening the well are achieved. The blowout preventer needs to be provided with oil passages on the blowout preventer body and the large flange for working in cooperation with a hydraulic oil station, so that the installation is complex, the number of accessories is large, and the processing difficulty and the processing cost are increased. The hydraulic oil loss of each time of disassembly and assembly is more, and the hydraulic system has the problems of easy pollution, hydraulic oil leakage and the like. Meanwhile, the blowout preventer is installed at a wellhead position and belongs to a high-risk area, and the traditional blowout preventer needs to be manually operated and controlled, so that the control precision is not high, and the safety is extremely low.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome the shortcoming that prior art exists, propose design a novel electronic preventer to solve current preventer and for cooperation hydraulic pressure oil station work, need process the oil circuit on preventer body, big flange, install complicated, the more problem of accessory.
The utility model provides a technical scheme that its technical problem adopted is:
a novel electric blowout preventer comprises a blowout preventer and an electric system; the blowout preventer comprises a blowout preventer body, and a full-seal ram, a shear ram, a slip ram and a semi-seal ram which are arranged in the blowout preventer body; the full-sealing flashboard, the shearing flashboard, the slip flashboard and the semi-sealing flashboard are respectively controlled by a group of electric systems; the electric system comprises an explosion-proof motor, a speed reducer, a steering mechanism, a lead screw and a protective pipe; the explosion-proof motor is connected with a speed reducer, the speed reducer is connected with a screw rod and a protective pipe through a steering mechanism, the screw rod and the protective pipe are inserted with the large piston, and the steering mechanism is used for driving the screw rod, the protective pipe and the large piston to move; the large piston is arranged in the blowout preventer body, and the electric system controls the opening and closing of the full-sealing flashboard, the shearing flashboard, the slip flashboard and the semi-sealing flashboard by driving the corresponding large piston. The screw rod and the protective pipe have a quick connection function, and the screw rod and the protective pipe can be quickly connected with the large piston in an inserting mode.
Furthermore, this internal ring groove flange that is provided with of preventer, the ring groove flange adopts build-up welding processing, increases the life of preventer body.
Furthermore, the spraying layer is sprayed in the blowout preventer body, so that the opening and closing friction of the flashboard can be reduced, and the service life is prolonged.
Furthermore, two side pistons and a large flange are arranged at the end part of the blowout preventer body.
Furthermore, the novel electric blowout preventer further comprises a monitoring system, wherein the monitoring system comprises a wireless monitoring system, a PAC system, a UPS controller, a power distribution system and a servo control system; the PAC system is connected with the servo control system, both the PAC system and the servo control system are connected with the UPS controller, and the UPS controller is connected with the power distribution system; the wireless monitoring system is connected with the PAC system and is used for realizing a remote monitoring function; and the explosion-proof motor is connected with the servo control system.
Further, novel electronic preventer still includes the uninterrupted power source who is connected with the UPS controller, as system's stand-by power source, when distribution system is because of factors such as trouble can't supply power, supplies power through uninterrupted power source.
The technical effects of the utility model:
compared with the prior art, the utility model discloses a novel electronic preventer has following advantage:
(1) the utility model discloses drive the lead screw push rod as power by explosion-proof machine, carry out opening and shutting, actions such as sealed of preventer flashboard, the traditional three-cylinder piston structure of single lead screw push rod replacement has solved spare parts processing oil circuit problems such as preventer body, big flange, simple structure, simultaneously, does not have the condition that hydraulic oil reveals, pollutes the job site.
(2) The utility model discloses multiple operating mode is predetermine to monitored control system, and the preventer flashboard moves with 5 times of conventional speed during the operating mode, and the preventer flashboard is closed fast when guaranteeing accidents such as blowout, accomplishes the shut-in, improves the security.
(3) The utility model discloses servo controller, early warning system, manual/automatic switch-over function, default mode are automatic control, and abnormal conditions lead screw push rod connecting piece is automatic throw off, triggers simultaneously and starts early warning system, and manual operation preventer flashboard action changes conventional manual operation mode, and control accuracy is high, improve the explosion-proof regional operational safety of well head.
(4) The wireless remote monitoring, the action of the wireless remote operation flashboard, the real-time monitoring of the speed, the stroke and other parameter data avoid the operation of dangerous areas of the well mouth, and the operation safety is improved.
(5) When the main power supply is abnormal, the standby power supply is seamlessly and automatically switched to supply power, so that the performance reliability of the equipment is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural view of the electric system of the present invention;
FIG. 3 is a schematic structural view of a totally enclosed ram of the blowout preventer of the present invention;
FIG. 4 is a schematic view of the internal structure of the blowout preventer of the present invention;
fig. 5 is a schematic diagram of the monitoring system of the present invention.
In the figure, a blowout preventer 1, an electric system 2, an explosion-proof motor 3, a speed reducer 4, a steering mechanism 5, a lead screw and a protective pipe 6, a blowout preventer body 7, a large flange 8, two-side pistons 9, a full-sealing gate plate 10, a large piston 11, a cylinder cover 12, a shearing gate plate 13, a slip gate plate 14, a full-sealing gate plate 15, a spray coating 16, a ring groove flange 17, a wireless monitoring system 18, a PAC system 19, a UPS controller 20, a power distribution system 21, a servo control system 22 and an uninterrupted standby power supply 23.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings of the specification.
Example 1:
as shown in fig. 1-4, the present embodiment relates to a novel electric blowout preventer, which comprises a blowout preventer 1 and an electric system 2; the blowout preventer 1 comprises a blowout preventer body 7, and a full-sealing ram 10, a shearing ram 13, a slip ram 14 and a semi-sealing ram 15 which are arranged in the blowout preventer body 7; the end part of the blowout preventer body 7 is provided with a piston 9 and a large flange 8 at two sides; an annular groove flange 17 is arranged in the blowout preventer body 7, and the annular groove flange 17 is processed by surfacing, so that the service life of the blowout preventer body 7 is prolonged; the spray coating 16 is sprayed in the blowout preventer body 7, so that the opening and closing friction of the flashboard can be reduced, and the service life is prolonged;
2-4, the full seal gate plates 10, the shear gate plates 13, the slip gate plates 14 and the semi-seal gate plates 15 are respectively controlled by a group of electric systems 2; the electric system 2 comprises an explosion-proof motor 3, a speed reducer 4, a steering mechanism 5, a lead screw and a protective pipe 6; the lead screw and the protective tube 6 comprise a lead screw and a protective tube, and the protective tube is sleeved outside the lead screw; the explosion-proof motor 3 is connected with a speed reducer 4, the speed reducer 4 is connected with a lead screw through a steering mechanism 5, the lead screw is inserted with the large piston 11, and the steering mechanism 5 is used for driving the lead screw and the large piston 11 to move; the large piston 11 is arranged in the blowout preventer body 7, and the electric system 2 controls the opening and closing of the full-seal ram 10, the shear ram 13, the slip ram 14 and the semi-seal ram 15 by driving the corresponding large piston 11. The screw rod and the protective tube 6 have a quick connection function, and the screw rod and the protective tube 6 can be quickly connected with the large piston 11 in an inserted mode.
As shown in fig. 1 and 5, the novel electric blowout preventer further comprises a monitoring system, wherein the monitoring system comprises a wireless monitoring system 18, a PAC system 19, a UPS controller 20, a power distribution system 21 and a servo control system 22; the PAC system 19 is connected with a servo control system 22, both the PAC system 19 and the servo control system 22 are connected with a UPS controller 20, and the UPS controller 20 is connected with a power distribution system 21; the wireless monitoring system 18 is connected with the PAC system 19 and is used for realizing a remote monitoring function; the explosion-proof motor 3 is connected with a servo control system 22.
As shown in fig. 5, specifically, the wireless monitoring system 18 includes a data monitoring module and a remote control module, so as to implement a remote monitoring function; the PAC system 19 comprises a CPU module, an acquisition module, a monitoring module, a speed regulation module, a communication module, an early warning module, an emergency module and a power module, and mainly realizes signal acquisition and processing, communication control with the servo control system 22 and the wireless monitoring system 18, sending and feedback of early warning and emergency commands and the like; the UPS controller 20 comprises a power supply change-over switch, an abnormal induction circuit and an overcharge protection circuit; the power distribution system 21 comprises an input circuit and an output circuit, and the uninterruptible power supply 23 comprises a battery pack and a management-capable system; the power supply change-over switch and the uninterrupted standby power supply 23 are overcharged and protected when the power distribution system 21 supplies power normally, and the uninterrupted standby power supply 23 is automatically switched to supply power when the power distribution system 21 is abnormal; the explosion-proof motor 3 comprises a full-sealed explosion-proof motor, a half-sealed explosion-proof motor, a shearing explosion-proof motor and a slip explosion-proof motor; the servo control system 22 comprises a full-sealed servo controller, a half-sealed servo controller, a slip servo controller, a shearing servo controller and a detection device, and is used for receiving a monitoring signal of the PAC system 19, accurately detecting each operation parameter of the explosion-proof motor 3 and controlling the operation state of the explosion-proof motor 3.
As shown in fig. 5, the novel electric blowout preventer further includes an uninterruptible power supply 23 connected to the UPS controller 20, as a system backup power supply, and when the power distribution system 21 cannot supply power due to a fault or the like, power is supplied through the uninterruptible power supply 23.
The working principle is as follows: when the gate of the utility model is opened, the PAC system 19 sends an opening signal to the servo control system 22, the servo control system 22 controls the explosion-proof motor 3 to reduce the rotating speed through the speed reducer 4, and then the rotating motion of the motor is changed into the reciprocating motion of the lead screw through the steering mechanism 5 (the steering mechanism 5 of the utility model adopts the prior art, and can realize the reciprocating motion of the lead screw); the screw rod is connected with a large piston 11, the large piston 11 is connected with a full-closed gate plate 10, and the screw rod retracts to drive the full-closed gate plate 10 to retract; when the large piston 11 moves to be attached to the cylinder cover 12, the large piston 11 and the cylinder cover 12 form a whole, at the moment, the lead screw continuously retracts to drive the large flange 8 to be opened, so that the fully-closed gate plate 10 is opened, and the whole process of opening the fully-closed gate plate 10 is automatically realized by setting parameters through the wireless monitoring system 18 and executing and feeding back through the PAC system 19;
similarly, when the lead screw is extended, the PAC system 19 sends an opening signal to the servo control system 22, the servo control system 22 controls the explosion-proof motor 3 to reduce the rotating speed through the speed reducer 4, and then the large piston 11 and the large flange 8 form a whole through the steering mechanism 5 to drive the fully-closed gate plate 10 to extend, when the large piston 11 is attached to the flange 8, the large piston 11 and the large flange 8 form a whole, at the moment, the lead screw continues to extend to drive the flange 8 to close, so that the fully-closed gate plate is closed, and the whole process of closing the fully-closed gate plate is executed and fed back through the wireless monitoring system 18 set parameters and the PAC system 19;
similarly, the shear gate plate 13, the slip gate plate 14 and the semi-seal gate plate 15 drive the corresponding gate plates to open and close under the movement of the explosion-proof motor 3 and the lead screw.
The above embodiments are only specific cases of the present invention, and the protection scope of the present invention includes but is not limited to the above embodiments, and any suitable changes or modifications made thereto by those of ordinary skill in the art in accordance with the claims of the present invention should fall within the protection scope of the present invention.
Claims (7)
1. A novel electric blowout preventer is characterized in that: the blowout preventer and the electric system are included; the blowout preventer comprises a blowout preventer body, and a full-seal ram, a shear ram, a slip ram and a semi-seal ram which are arranged in the blowout preventer body; the full-sealing flashboard, the shearing flashboard, the slip flashboard and the semi-sealing flashboard are respectively controlled by a group of electric systems; the electric system comprises an explosion-proof motor, a speed reducer, a steering mechanism, a lead screw and a protective pipe; the explosion-proof motor is connected with a speed reducer, the speed reducer is connected with a screw rod and a protective pipe through a steering mechanism, the screw rod and the protective pipe are inserted with the large piston, and the steering mechanism is used for driving the screw rod, the protective pipe and the large piston to move; the large piston is arranged in the blowout preventer body, and the electric system controls the opening and closing of the full-sealing flashboard, the shearing flashboard, the slip flashboard and the semi-sealing flashboard by driving the corresponding large piston.
2. The novel electric blowout preventer of claim 1, wherein: a ring groove flange is arranged in the blowout preventer body.
3. The novel electric blowout preventer of claim 1, wherein: and a spray coating is sprayed in the blowout preventer body.
4. The novel electric blowout preventer of claim 1, wherein: the lead screw and the protective pipe comprise a lead screw and a protective pipe, the lead screw is connected with the speed reducer, and the protective pipe is sleeved on the outer side of the lead screw.
5. The novel electric blowout preventer of claim 1, wherein: the end part of the blowout preventer body is provided with pistons at two sides and a large flange.
6. The novel electric blowout preventer according to any one of claims 1 to 5, wherein: the novel electric blowout preventer further comprises a monitoring system, wherein the monitoring system comprises a wireless monitoring system, a PAC system, a UPS controller, a power distribution system and a servo control system; the PAC system is connected with the servo control system, both the PAC system and the servo control system are connected with the UPS controller, and the UPS controller is connected with the power distribution system; the wireless monitoring system is connected with the PAC system and is used for realizing a remote monitoring function; and the explosion-proof motor is connected with the servo control system.
7. The novel electric blowout preventer of claim 6, wherein: the novel electric blowout preventer further comprises an uninterrupted standby power supply connected with the UPS controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220935448.2U CN217327258U (en) | 2022-04-21 | 2022-04-21 | Novel electric blowout preventer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220935448.2U CN217327258U (en) | 2022-04-21 | 2022-04-21 | Novel electric blowout preventer |
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| CN217327258U true CN217327258U (en) | 2022-08-30 |
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| CN202220935448.2U Active CN217327258U (en) | 2022-04-21 | 2022-04-21 | Novel electric blowout preventer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11708738B2 (en) | 2020-08-18 | 2023-07-25 | Schlumberger Technology Corporation | Closing unit system for a blowout preventer |
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2022
- 2022-04-21 CN CN202220935448.2U patent/CN217327258U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11708738B2 (en) | 2020-08-18 | 2023-07-25 | Schlumberger Technology Corporation | Closing unit system for a blowout preventer |
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