1. Screw pump (PCP) drive system for gas removal in water wells
Hydraulic Energy Products, Inc. (HEP) has developed a three-part gas well liquid removal system that automatically removes water from gas wells, especially CBM wells. The system can self-monitor and adjust, if the drive rate is too high or too low, you can signal the police. The system can be manually variable speed by hydraulic power head and hydraulic power brake.
The hydraulic powerhead and motor drive system from HEP provide four torque ranges and connect the 11/4 in oil rod with a conventional friction pressure block (nipple). The largest drive motor can support the column and 5000ft of water column pressure, while deep well fluid from 2500ft 2000bbl or 4000bbl. The maintenance-free drive replaces the conventional packing box by rotating parts.
The system, combined with HEP's hydraulic power brakes, gives full control of the back-spin and consumes energy through a safety brake. The system's drive equipment can be mounted on a threaded connection to a 3-way valve or on a flange that conforms to the API 8 bolt standard. Currently this drive unit is available in two models: 12 in3 / rev and 26in3 / rev. There are now a total of 10 drive systems in operation, two years from the beginning to the present, during which no maintenance was carried out.
2. Liquid level monitor and controller
The patented level controller from Applied Energy Products maintains the liquid level by calibrating and changing the drive speed of the downhole screw pump (PCP). For a particular well, calculations are based on actual data and formation fluid production. The recalculation frequency can be changed to meet changing well conditions. The Level Control System (LLC) has two separate computers, a collection of information or monitoring formation water into the casing in order to make the surface fluctuate, one to analyze and issue appropriate instructions to increase and decrease the hydraulic pump Small fluid volume, thereby changing the speed downhole PCP. LLC maintains the fluid level between the lowest perforation (or user-defined height) and the PCP inlet height to maintain maximum gas production.
In order to adjust the required rate, the controller also provides a manual method, the use of automatic operation when there is uncertainty. If the operating range (high or low) is exceeded, the monitoring and data acquisition system will record detailed system performance and send signals. LLC has been installed in the well and has been theoretically validated but not yet on the market.
Start Stop Batteryis a special battery used by cars with automatic start-stop function. Start Stop Battery can make the car automatically turn off when it is temporarily stopped, and restart the engine when the car is moving forward, which plays a role in energy saving and emission reduction, and also reduces the emission of exhaust gas. The maintenance method of Car Battery is:
1. Start the car regularly and charge the battery;
2, If the electrolyte should is low, should be added distilled water or special fluid;
3, daily driving should often check the battery cover on the hole is ventilated;
4. Check whether the positive and negative levels of the battery are oxidized;
5, check the parts of the circuit for aging or short circuit;
6. Turn off electrical equipment when leaving the car.
he life of Start Stop Battery is generally about 40,000km. During the use of the car, it is recommended that the owner check the electric quantity regularly. Currently, there are two types of Start Stop Battery, one is AGM, adsorbed glass fiber partition battery; The other is the EFB, the enhanced rich liquid battery. Compared with the same specifications of the battery, the start-stop battery has the following advantages :
1, cycle charging capacity is 3 times higher than the lead calcium battery, with longer service life,
2, in the whole service life cycle, with higher capacitance stability,
3, low temperature performance is more reliable,
4, reduce the risk of accidents, reduce the risk of environmental pollution,
5, maintenance free, reduce deep discharge.
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