Brief introduction
The electric choke manifold control panel series products remotely control the opening of hydraulic valves (throttle valves), with the manifold pressure (including standpipe pressure, casing pressure, pressure before and after throttling, etc.) and the throttle valve opening position displayed on the control panel, to maintain bottom hole pressure. They are the equipment indispensable for successfully controlling well surges and blowouts, and for implementing oil and gas well pressure control technology. They control the hydraulic throttle valve through remote operation to effectively monitor the manual control valve.
Performance and features
The performance characteristics mainly lie in recording of max. burst pressure, stepless adjustability of test pressure, pressure relief safety protection, automatic shutdown and alarm function, use of fittings and pipes made of 316 stainless steel, and applicability to various gases and liquids.
This series of control box products are equipped with standpipe pressure gauge, casing pressure gauge, valve opening gauge, oil pressure gauge, three-position four-way manual directional valve, with the system pressure, standpipe pressure, casing pressure, hydraulic throttle valve opening position, number of strokes and cumulative number of strokes of three mud pumps displayed on the control panel, to maintain bottomhole pressure. They are the equipment indispensable for successfully controlling well surges and blowouts and for implementing oil and gas well pressure control technology.
Product Features:
1. The electronic transmitter features fast response, high accuracy, mature technology, and explosion-proof capability.
2. The digital display is readable and intuitive.
3. Motor phase sequence automatic adjustment function (does not require access to the power supply phase wire sequence); Phase loss protection function to prevent electrical wire damage due to voltage anomalies during phase failure.
4. The backup power supply function can provide digital display instrument and electronic transmitter to work continuously for 3~6 hours in the event of on-site power failure.
5. Wide range of control objects–suitable for both wedge-type and orifice plate-type throttle valves due to its adjustable hydraulic pressure output range of 2.0~9.0 MPa.
6. The electric hydraulic pump delivers constant output flow, providing higher flow rates and faster pressure replenishment compared to conventional pneumatic hydraulic pumps. The system is equipped with automatic pressure compensation capability.
Selection and technical parameters
Product naming rules and selection
Technical parameters
| Explosion-proof motor | power supply voltage: 380VAC (three-phase four-wire system), power: 0.75KW, speed: 1390r/min; |
| Control power supply | 380VAC/50Hz three-phase four-wire system; |
| System displacement | 4.25L /min |
| Output pressure | 2~9MPa |
| Max. output pressure | 10.0MPa |
| Accumulator | Rated pressure |
| Pressure transmitter | pressure rating: 35MPa, 70MPa, 105MPa, 140MPa; output signal: 4~20mA |
| Electric valve position transmitter | range: 0-50/60mm; output signal: 4-20mA; |
| Digital display control instrument | display digits: 5, accuracy: 0.5% FS ± 1 word |
| Orifice valve position transmitter | range: 0-180 °, output signal: 4~20mA, output torque: 150Kgf · m~220Kgf · m |
| Executed standard | API 16C |
| Overall dimensions | 900(length)x520(width)x1430(height) |
| Explosion proof rating | 1. ATEX: Ex db IIB T6 Gb; 2. IECEx; Ex db IIB T6 Gb |
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Product Advantage
1. It can adjust the control pressure within a certain range, starting low and stopping high, maintaining the control pressure constantly and avoiding frequent starts of the oil pump, thereby reducing energy consumption.
2. The electric control system is equipped with an insulation system, which improves the problem of control system failure caused by water vapor adhering to the electric control system due to large temperature differences between day and night and other reasons on site.
3. The electric pressure sensor adopts the same 2"LP thread or 2"FIG1502 union large-size connection method as the hydraulic pressure sensor, which is more resistant to impact and avoids inaccurate pressure data caused by blockage of the sensing part by debris in the mud.
4. The entire electric control system can be remotely operated and detect real-time pressure and valve position data. The on-off of the throttle valve is controlled by a control panel.
5. According to the drilling process, the program written can control the opening of the throttle valve based on on-site flow, pressure and other data. The control is more precise and reduces the participation of human factors.
6. The standpipe pressure, casing pressure and valve position opening data use electronic transmitters, which have fast response speed, high precision, good stability and mature technology, and have explosion-proof performance.
7. The digital display method is easy to read and intuitive, with high display accuracy, and can have multiple unit display methods. The display has 5 digits and is suitable for large-scale PSI unit display, and the digital display is visible in the sun.
8. The output flow of the electric hydraulic pump is constant, so it has the advantages of larger output flow and faster pressure replenishment than the traditional pneumatic hydraulic pump.
9. It has a wide range of applications. Since this electric choke manifold control panel can output a large range of oil pressure, from 2.0 to 12 Mpa, it can be used for both wedge-type and orifice-type throttle valves without the need to replace the choke manifold control panel due to different types of throttle valves.
10. Backup power function. In case of power failure on site, it can supply power to digital display instruments, electronic transmitters, etc. for 3 to 6 hours (depending on the ambient temperature and working conditions), providing data for emergency manual operation.
11. The communication function can be added for remote data transmission.
12. An automatic dehumidification function can be added inside the box, suitable for operation in high-humidity areas.
Questions & Answers
Q1: How can I place an order?
A1: Please share the order details and item description with us. Based on the information you provided, we will recommend the most suitable model. After we confirm, we will give you the quotation.
If there is no packing demand we take it as our regular exported standard package.
Q2: How do you check all the goods in the production line?
A2: We have spot inspection and finished product inspection. We check the goods when they go into the next step of the production procedure.
Q3: What is the advantage of your company?
A3: We are the Grade A equipment supplier of PetroChina. Meanwhile, we also cooperate with many domestic and foreign oilfield and oil drilling companies.
Our company has a professional team and professional production line.
High quality products, the professional factory, specialized technology, 7dx24h worry-free after-sales service.
Q4: Why should I choose your products?
A4: 1). On the premise of ensuring quality, we offer competitive prices.
2). Large company's supplier, trustworthy, quality assurance.
Q5: What is the warranty period of the machine?
A5: We can support 1 year warranty for our equipment. We can provide internet or calling service at any time.
COME ON! IF YOU ARE INTERESTED IN THIS PRODUCT, PLEASE DO NOT HESITATE TO INQUIRY US!
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