Oil Production Equipment

ROTAFLEX belt pumping unit

The ROTAFLEX Belt Pumping Unit was manufactured by our company in 1992 through the introduction of American Weatherford Company patented technology. Our company is the only manufacturer of ROTAFLEX belt pumping units in the world. The ROTAFLEX Belt Pumping Unit is a long stroke and low stroke purely mechanicaltransmission pumping unit with international leading level. It is easy to operate, easy to maintain, safe to use and its reliable mechanical performance makes this pumping unit the most widely used beamless pumping unit. It can not only carry out deep pumping, but also carry out large displacement liquid extraction and is especially suitable for heavy oil well production. There are no exposed moving parts, the pit spacing requirement is small, and the minimum pit spacing can reach 2m. Its comprehensive support process and continuous technical update can continuously meet the needs of oil wells under various working conditions. Its features of high efficiency, safety, reliability and energy saving bring good economic benefits to users.

The main advantage

1. Long stroke, low stroke frequency: long stroke makes the overall pump coefficient high, high system efficiency, low stroke frequency can effectively reduce downhole equipment fatigue and wear, extend oil well repair-free period, and reduce operating costs;

2. Purely mechanical transmission, stable reversal, large load, long service life, heavy load and wide belt transmission power, and its elastic buffer can reduce the impact of reversal, so that downhole equipment runs smoothly;

3. Low required torque: Since the moment arm is only 0.31-0.43m, the torque requirement is greatly reduced, and it is equipped with a small power motor and small torque reduction box, which can save energy by 10-40% compared with conventional beam machines;

4. Optimized structural design: the disc brake system ensures safety, the overall displacement works, the folding structure is convenient for installation and transportation, the moving parts of the whole machine are equipped with safety guards and guardrails, which are safe and convenient for operation and maintenance;

5. Adopt gravity symmetrical balance, pure mechanical balance, convenient and simple balance adjustment;

6. High reliability, no need for frequent maintenance: Wear resistant bearings, long life belts and high strength chains are used to ensure the high reliability of the whole machine. No need for frequent maintenance;

7. Perfect oil production control system, which can extract liquid with big pump or deep pump with small pump.

Rotaflex Belt Pumping Unit Main Parameters

Characteristics

1. The whole machine has reasonable structure, stable operation, low noise, and convenient operation and maintenance;

2. The donkey head can take one of three forms of flipping, hanging or flipping;

3. The brake adopts an external enclosing structure and is equipped with a safety device, which is flexible in operation, fast in braking, safe and reliable;

4. The frame adopts a tower structure) with good stability and is convenient for on-site installation. The main frame adopts a movable retractable structure, which is convenient for packaging and transportation;

5. The balance weight of the crankshaft is driven by rack and pinion, and the adjustment is easy and accurate.

Silent, energy-saving pump unit with electric control reversal

The intelligent rotary motor inverter pumping unit developed by our company is a new generation of oil extraction machinery developed on the basis of summarizing the advantages and disadvantages of traditional pumping units in oilfield applications and combining the advantages of current ROTAFLEX belt pumping unit.

Characteristics

1. Silent and energy saving. The permanent magnet motor with low speed and high torque is selected, which has the advantages of high torque density, strong anti-demagnetization ability, high-efficiency power factor, and strong overload capability. The noise at 1 meter away from the pumping unit is less than 51 dB, and at 10 meters away it is less than 45 dB. The noise of the whole machine reaches the standard of Class I stipulated in the national standard GB3096-2008, especially suitable for oil well drilling near residential areas and business districts;

2. New permanent magnet motor. The motor structure not only retains the characteristics of simple production and reliable use of conventional permanent magnet motors, but also has the advantages of external rotor motors' compact structure, low failure rate, and convenient maintenance;

3. Double brake protection, safe and reliable. The built-in normally closed (9t) brake device of the motor and the external normally closed (12t) hydraulic disc brake device, double brake system, if any accident occurs during operation, the brake system of the pumping unit will be will start immediately, and the whole oil production system will stop working) to protect the whole oil production system from damage;

4. The structure of the whole machine is simple, there are few wearing parts, the maintenance workload is small, and the maintenance cost is low. You only need to check and maintain the pumping unit once a year, which greatly reduces the labor intensity and maintenance cost of workers;

5. According to the working conditions of different oil wells, up and down strokes and stroke times can be adjusted without stopping the machine. Fast operation mode;

6. 90% of the pumping process is smooth movement, and the reversal is smooth acceleration and deceleration, which effectively reduces the shock load on the rod and the pump, and prolongs the inspection cycle of the pump.

Hydraulic pumping unit

Brief introduction of hydraulic pumping unit

Pumping unit is the main equipment for extracting oil and gas in oil fields. With the development of the petroleum industry, the development of deep oil reservoirs, low-permeability oil reservoirs, heavy oil reservoirs, and unconventional oil and gas fields has come up with higher performance Requirements for required oil production equipment The traditional beam pumping unit cannot fully meet the needs of oil and gas development and production in the oil fields. Therefore, it is very necessary to reduce the cost of oil and gas extraction, improve the efficiency of oil and gas extraction, and develop pumping units that can meet the actual production needs of different oil and gas fields and can save energy.

The second-generation hydraulic pumping unit system uniquely adopts double-cylinder control and doublewell circulation control circuit, and the two cylinders alternately work up and down to recover the downward energy of the hydraulic cylinder. The gas extraction needs and the operation is stable and reliable.

Due to the advantages of small size, light weight and flexible transportation, the hydraulic pumping unit is very suitable for areas where large-scale vehicles such as coal bed methane and tropical rain forests are difficult to pass. The hydraulic pump unit system can also use the gas unit to directly drive the hydraulic system according to the actual situation on site, which reduces the installation of power cables.

Characteristics of the hydraulic pumping unit

1. A group of pumps, two cylinders and two wells are used to control the circuit. The two cylinders alternately operate up and down, taking full advantage of electrical energy and gravitational potential energy. When the hydraulic cylinder rises, it is driven by the hydraulic system. oil to work up, and when the hydraulic cylinder goes down, it is pulled by the sucker rod. When working downward, the gravitational potential energy generated by the downward movement of the sucker rod is converted to hydraulic energy, which significantly reduces downforce. The support power of the double well group is about 80% of the matching power of a single well with the same charge, which has significant economic and social benefits.

2. The hydraulic control unit is modularly combined. Different module combinations can realize simultaneous control of two wells, four wells, six wells, eight wells and ten wells in one station, which is especially suitable for blocks with concentrated wells.

3. The whole machine is automatically controlled by electro-hydraulic integration. The hydraulic system adopts electro-hydraulic proportional variable technology to control the up and down running speed of the hydraulic cylinder, and the stroke times can be adjusted steplessly. The best combination with driving power, stable and reliable operation and direction change, and single well and double well switching operation.

4. With the addition of different electrical control modules, it is convenient to realize on-site and remote operation parameter setting, remote monitoring operation and data collection.

5. Different strokes and stroke times can be obtained by inputting different parameters from the controller, and the stroke and stroke times are easy to adjust.

6. It can realize the operation of large load, large stroke and low stroke frequency, and can maximize the production capacity of the oil well. The mounting of the suspension point can be selected between 30 and 400 (KN). The suspension stroke can be selected between 1.8 and 10 (m).

7. The hydraulic pumping unit is compact in structure, small in size, light in weight and small in floor space. It is especially suitable for small gaps between wells, tidal flats, offshore platforms, and wells in mountainous areas. You don't need to install a platform, which can greatly save the total cost.

8. There are no moving parts around the hydraulic pumping station and hydraulic cylinder of the hydraulic pumping unit, so there is no need for safety protection at the well site, and the operation is safe and reliable. The hydraulic station room can be treated to reduce noise, and the noise of the whole machine is low, which is especially suitable for installation and operation in residential areas and well sites around cities.

Resume

With the gradual deepening of the development of oil and gas resources, the oil fields are gradually changing from extensive development to refined and civilized development. Oil drilling equipment is being developed from few varieties, low load, short stroke and manual inspection to diversity, automation, intelligence, large load, long stroke, low stroke frequency and energy saving; reduces oil and gas extraction costs and improves pumping units It is a trend of the times to adapt to the working conditions of different types of oil wells and optimize the operation of oil production equipment. The successful development of the hydraulic pumping unit simply conforms to this development trend and enriches the varieties of oil and gas extraction equipment.

The machine has a compact structure, small footprint and low total equipment cost to meet the needs of various oil fields; it has a high degree of automation, convenient adjustment of stroke and stroke times, and is convenient for centralized management of the network. You can do big loads, big strokes and low stroke times. You can take full advantage of the production capacity of oil wells; it has a good energy saving effect and low operating cost; It has significant economic and social benefits, which can not only meet the needs of refined and civilized development of oil fields, but also meet the national energy saving and emission reduction guidelines and policies.

To illustrate

1. The stroke and stroke times are infinitely adjustable within the range of 0-maximum value, as the stroke decreases, the maximum stroke times increase accordingly, please refer to the instruction manual;

2. The maximum lifting load under rated pressure refers to the load that can be lifted by a single machine in an unbalanced state after operation;

3. The equivalent rated lifting capacity refers to the equivalent balanced lifting capacity of the pumping unit after long-term operation;

4. For detailed parameters, please refer to the design manual or operation manual;

5. The above parameters are only used as a reference for user selection. If there are special requirements for stroke and stroke times, the corresponding parameters can be determined according to user requirements and actual working conditions.

Surface Drive Progressive Cavity Pump - BCP

The soil driven screw pump has the advantages of low energy consumption, obvious energy saving effect, long pump inspection cycle, and wide application range. It can be used in the exploitation of highly viscous oil, sandy and gas wells. The displacement range is from 1 to 400 m3/d and the maximum pumping depth is 2000 m.

The company has a special rubber research and development department and laboratory, which can provide screws for different users and different purposes according to the comprehensive conditions of the well, such as the content of aromatic hydrocarbons in the well fluid, the content of solid particles, whether it contains hydrogen sulfide, carbon dioxide and other compounds, and the temperature of the well The pump offers the most suitable stator rubber products.

The company's land-driven screw pump products are not only used in conventional oil wells, such as thin oil, heavy oil, sand and gas, but also in drainage wells, such as coal bed methane extraction, extraction of shale gas and ground source heat.

In 2018, a complete set of Weatherford screw pump technology and main production equipment were introduced, equipped with constant temperature and humidity screw pump stator production

line to supply high-quality, cost-effective screw pump products. and high stability. Annual production capacity can reach 15,000 units.

Ground Unit Specifications

Downhole Pump Specifications

WFT Series Screw Pump

WFT Downhole Pump Models and Specifications

Multiphase Surface Mixer Pump

composed

convenient maintenance. , reliable work, long life, etc.

Currently there are 5 series and more than 40 models available for users to choose from. At the same time, products with special specifications can also be customized for users according to their operating conditions and technical requirements.

After years of development, the plateau series surface oil and gas mixed transportation pump has a good application advantage in the domestic oil and gas transportation industry, and at the same time can replace the application of oil and gas pumps. profile control and polymer injection pumps in some parts of the oil field. The products are used in Shengli, Changqing, Jidong, Xinjiang and other domestic oilfields, and some products have entered international markets such as Central Asia, the Middle East and South America. The scope of participation covers petrochemical, wastewater treatment and other industries.

The Plateau series multiphase combi pump is a positive displacement pump. The main working parts are

of stator and rotor. It adopts multi-head linear technology. It has a wide speed range, small pressure fluctuation, stable operation, strong self-priming ability. , simple structure and

Technical Parameter Table of Multiphase Surface Combination Pump

Electric Submersible Screw Pump

The direct drive submersible screw pump system adopts a new multi-stage permanent magnet motor, which is directly connected through a flexible shaft to drive the screw pump to rotate and lift crude oil to the ground. The oil production system has the characteristics of no rod pipe wear, reliable operation, small maintenance workload, no noise pollution, etc. Wells, Cluster Wells, Horizontal Wells, and Coal Bed Methane Drain Wells.

Structure and composition

Electric submersible screw pump oil production system mainly consists of permanent magnet direct drive submersible motor, protector, coupling, screw pump and ground control cabinet. The submersible permanent magnet direct drive motor has the characteristics of low output speed, high torque, high efficiency and low power consumption; The high wear and corrosion resistant coupling can dampen, reduce vibration and improve the dynamic performance of the shaft, and withstand the axial force, so as to ensure the transmission of torque and the running precision of the main and driven shafts. The screw pump stator and rotor are interchangeable, and at the same time, the type of rubber can be matched according to well conditions to meet the production needs of oil wells.

Process characteristics

1. The permanent magnet direct drive motor system has high efficiency and remarkable energysaving effect. The high-efficiency screw pump lifts the fluid from the well, has a large flow area and small friction resistance, and the system efficiency is higher than that of the pumping unit rod pump well. Compared with the electric heating rod pit, the energy saving rate is more than 90%, saving more than 60% of electricity;

2. The permanent magnet direct drive motor is adopted, and the starting torque is large, up to 1.82 times of the rated torque, which is in line with the starting characteristics of the screw pump;

3. Adopt permanent magnet direct drive motor, low supply voltage and low cable requirements;

4. The screw pump has continuous lift and low shear action, and the efficiency of heavy oil in the pump is high;

5. No ground equipment, small footprint, suitable for agricultural well development;

6. Rodless oil recovery, no noise, no pipe rod loss, no wellhead leak point;

7. The speed is convenient to adjust, reducing labor intensity and O&M costs, suitable for directional wells and horizontal wells;

8. Digital remote intelligent control, monitoring the operating status of the detection system, and the use of downhole temperature and pressure measurement devices to realize constant liquid level control and automatic interval pumping.

Submersible pump with permanent magnet motor

Our company's submersible pump system uses a high-speed permanent magnet motor to replace the traditional three-phase squirrel cage asynchronous motor. The motor can be arbitrarily adjusted from 0 to 3600 rpm, which is highly efficient and energy-saving. The motor efficiency is more than 92% and supports a full torque start, up to 1.5 times.

System advantage

1. Large displacement oil recovery (50-1000m3/d);

2. Head high (up to 3000 m);

3. No eccentric wear of sucker rod and pipe, especially suitable for mining of inclined wells and horizontal wells;

4. Oil well monitoring system, real-time monitoring of oil production dynamics.

Advantages of the permanent magnet motor

1. High-speed, high-efficiency, energy-saving permanent magnet motor, compared with traditional equipment, generally saves energy by more than 30%;

2. It can be driven by any frequency converter and supports voltage-frequency ratio control mode;

3. The permanent magnet motor is only half the length of the traditional motor, which improves trafficability.

4. The calorific value is lower than that of ordinary motors by more than 10 °C, the aging speed is reduced by one time, and the service life is long;

5. High temperature resistant materials are selected, and the rated temperature resistance of the whole machine is 204 °C;

6. Low no-load current, less than 10% of nameplate current;

7. Power factor ≥ 92%, efficiency ≥ 92%.

Specifications

Bomb for well rod

Once the rod pump is assembled in the ground, it is attached to the bottom end of the sucker rod and everything is lowered into the well through tubing. There is no need to raise and lower the oil pipe when overhauling the pump, which is convenient for operation and suitable for deep wells. Since the working time is shortened and the number of times the oil pipe is turned on and off is reduced, the service life of the oil pipe is prolonged. Rod well pumpscan be divided into mechanical type and cup type according to the type of support mounting, and can be divided into three types: fixed upper fixed cylinder, fixed lower fixed cylinder and fixed lower movable cylinder according to the support position. .

Tube well pump

The working process of the tubular oil well pump is: the pump barrel is lowered to a predetermined depth together with the oil pipe, and the plunger is connected with the sucker rod and lowered into the pump barrel . In the case of the same pipe size, a larger pipe pump can be installed than a rod pump. The tube pump has a simple structure and is suitable for oil wells with shallow pumping depth and high output.