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Customer’s Request:
The derivatized gas can be pressurized to 30bar only, which does not meet the requirement of gas delivery.
Solution:
Apply hydraulic booster pump to pressurize the derivatized gas up to 70bar.
Customer’s new request:
The environment temperature is very high and need heat exchange on compressed gas.
The high pressure boosted gas is used as a power to bring the gas in the main pipe far.
①
In the oil and gas field, derivatized gas (natural gas) is generally produced in oil producing wells. When the gas volume of the derivatized gas is gradually increased, the gas pressure in the well will gradually increase, resulting in a decrease in the oil level and a decrease in pumping capacity. For the production of oil wells, the derivatized gas has a bad influence and is is necessary to carry out by pumping. The customer's existing equipment can only be pressurized to 30 Bar, and he expects it to be pressurized to 70 bar.
②
The production of derivatized gas is uncertain, and the equipment has intelligent work to adjust energy consumption according to its production.
③
The working environment of the equipment is used is in the desert area. The desert is seriously dehydrated, windy and sandy, the temperature difference between day and night is large, and the daytime temperature can reach 60 °C.
④
The equipment is highly served in different places.
General view
Field parameters
Principle Design | The hydraulic booster pump is used to pressurize the derivative gas with an output pressure of 70 bar. |
Start-stop Design | The pressure transmitter is used to detect the pressure of the wellhead derived gas, and the equipment is started when the pressure is sufficient. |
Displacement Design | The pressure transmitter is used to detect the wellhead pressure. The higher the pressure, the higher the operating frequency. |
Power Source Design | dynamitic power |
Explosion Proof Design | The control components are all placed in the explosion-proof box. The explosion-proof grade of the test components (pressure transmitter, temperature transmitter, liquid level transmitter) is not lower than EXIIDT6, and the explosion-proof grade of the power components (explosion-proof motor) is not lower than EXIIDT6. |
Temperature Control Design | Air cooling is used to circulate cooling for all parts of the equipment. |
Operation Lifespan Design | The equipment is equipped with 3 explosion-proof motors. When running for a long time, the motor is automatically switched. |
Output Design | The equipment outlet is designed to be connected to a jet pump, so that the pressurized derivative gas can be injected into the main oil pipeline to improve the efficiency of the pipeline. |
Structure design
1: AR lifting lug
2: Fuel tank
3: Hydraulic pump
4: Explosion-proof motor
5: Explosion-proof reversing valve
6: Air-cooled radiator
7: Explosion-proof distribution box
8: Hydraulic oil pipe
9: Pressurized cylinder
10: Gas storage tank
Skid structure | All parts are placed on the skid |
Transportation design | AR lifting lug, for lifting and dragging |
Maintenance design | There is a manhole on the fuel tank |
Liquid leakproof design | The body is designed with a leak-proof device that allows liquid to drain out of the body. |
Sandproof design | Make the necessary screen to prevent sand from entering the equipment components |
Overall dimension:4000L×2100W×2600H
Max. pressure of hydraulic pump:5Mpa
Max. flow of 1st stagepressure cylinder:600L/min
Max. flow of 2nd stagepressure cylinder:300L/min
Stroke of 1st stagepressure cylinder:
12次/min,9次/min,6次/min
Stroke of 2nd stagepressure cylinder:16次/min
Displacement of 2nd stagepressure cylinder:9L
Working pressure of Gas storage tank:4Mpa
Volume of Gas storage tank:300L
On-site commissioning
There is a higher ambient temperature in the desert and compressed gas needs heat exchange for cooling down
Compressed gas can be used to help the oil and gas in main pipeline as a power transmission
Design principle
Cooling system: The compressed gas is cooled by the hydraulic oil of the equipment, in order to ensure that the temperature of the output gas is not higher than the ambient temperature.
Jet pump: The special spray gun designed with compressed high pressure gas can keep the principle of a high flow rate and improve the conveying efficiency.
Comparison of proposal
Existing Product | WINGOIL product |
30bar Max. output gas pressure | 70bar Max. output gas pressure |
No temperature control device for output gas | With forced hydraulic oil cooling system, it can ensure the safety operation |
No sand proof facility | With sand proof enclosur |
Without buffer | With buffer and oil-gas separation unit |
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