• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:

    公开号:SU1827006A3
    申请号:SU894613401
    申请日:1989-02-08
    公开日:1993-07-07
    发明作者:Pinter Kalman
    申请人:Beдьиmюbeket Эпиte Eш Cepeлe Baллaлat；
    IPC主号:
    专利说明:

    The invention relates to a device for continuous measurement of the productivity of an oil well for liquid and gas.
    The purpose of the invention is to improve the reliability and accuracy of work by combining a gas pressure regulator and a liquid level regulator.
    FIG. 1 shows a device with a moisture meter with liquid level and gas pressure regulators located in a two-phase separator, a main and additional pressure regulating flaps; in Fig, 2 - a device without a moisture meter with a position; liquid level and gas pressure regulators installed in the two-phase separator, main and additional regulating pressure with dampers; in fig. 3 - a device with a moisture meter and with regulators of liquid level and gas pressure located outside the two-phase separator, and the main: · and additional pressure regulating dampers; in fig. 4 - a device without a moisture meter and with liquid level and gas pressure regulators located outside the two-phase separator and with the main and additional pressure regulating dampers.
    The device contains a two-phase separator 1, into which the gas-liquid mixture coming from the well is fed through the shut-off valves 2 and the inlet nozzle 3. Inside the two-phase separator .1, the gas-liquid mixture enters the droplet separator, 4 with a swirl. Then the separated liquid flows through pipeline 5 into the lower liquid chamber 6 of the two-phase separator 1, and the gas through the gap, regulated by an additional pressure regulating valve 7, passes into the first outlet nozzle 8, from where, through the gas pressure regulator 9, the gas flow meter 10 and the return valve 11, enters the mixer 12. The gas temperature sensor 13 is built into the gas line. Liquid from the lower liquid chamber 6 through the gap regulated by the main pressure regulating valve 14, through the second outlet 15, enters the liquid flow meter 16, from which the liquid through the moisture meter 17 and the check valve 18 enters the mixer 12, in which the liquid and gas are mixed again and come through the shut-off valves 19 into the manifold. The main and additional pressure regulating valves 14 and 7 are connected by forced connection with the float 20 placed in the two-phase separator and move together with it.
    The device includes a control unit 21 - a microprocessor computer, which is connected by a control connection to a gas flow rate meter 10, a liquid flow rate meter 16, and a moisture meter. 17, a gas temperature sensor 13, as well as shut-off valves 2 and 19.
    In the device, the combined regulators of the liquid level and gas pressure can be located outside the two-phase separator 1. In this case, the float 20 is located in the reservoir 22, which is connected from the top to the pipeline from the gas flow meter 10, and from the bottom to the pipeline from the liquid flow meter 16 ... In the reservoir 22, the main 14 and additional 7 pressure regulating valves are similarly located, which are connected to the float 20 by forced connection and move with it. An additional pressure regulating valve 7 is connected to the upper outlet of the reservoir 22, and the main pressure regulating valve 14 is connected to the lower outlet of the reservoir 22. The upper outlet is connected through the gas main, and the lower outlet
    182700ο a branch pipe through a liquid line connected to the manifold.
    ... The device can also be made of a moisture meter 17. In this case, the liquid from the liquid flow meter 16 enters the mixer 12 or reservoir 22.
    The device works as follows.
    Continuous removal of the liquid and gas components of the gas-liquid mixture is provided with the help of the main and additional pressure regulating valves 14 and 7 located in the two-phase separator 1 or in the tank 22 and mechanically connected to the float 20. If the liquid level rises, then the float 20 rises with it, which raises the main pressure regulating flap 14, thereby increasing the liquid outlet section. At the same time, the outlet section for the gas is narrowed (throttled), which is regulated by an additional pressure regulating valve 7, as a result of which the pressure in the gas chamber of the two-phase separator increases (Figs. 1 and 2). The result of this function of the main 14 and additional 7 pressure regulating dampers is an increased fluid flow through the outlet 15 from the two-phase separator 1. If the liquid level in the two-phase separator 1 decreases, the float 20 moves downward, as a result of which the additional pressure regulating valve 7 opens the outlet section for gas, while the main pressure regulating valve 14 throttles the liquid outlet section. As a result, a new state of equilibrium arises, which means self-regulation of the transport system. When an oil well is shut down, check valves 11 and 18 prevent backflow from the reservoir. At the beginning of operation, the device turns on automatically without any external intervention.
    If the control unit 21 (computer) has a corresponding program, then the proposed device designed to measure the productivity of an oil well is suitable for regulating and measuring periodic oil production. The simplest solution is to regulate according to a given time program. In this case, the computer control unit 21 turns on the system pump or turns it off according to a certain time program. In the gas lift method of production, it opens or closes the valve of the gas pipeline and controls the nodes of the system involved in production. With such control, it is advisable to make the shut-off valves remotely controlled.
    Another possibility of managing intermittent oil production is. that, for example, upon reaching a predetermined production value (minimum value), the computer control unit 21 stops production and turns it on again only after a certain period of time.
    Thus, the device is best suited to optimize gas lift production. In this case, it is not necessary to measure the gas dosed into the well, since the measuring device continuously measures the productivity of the oil well.
    A device designed to measure the performance of an oil well provides continuity of measurements and detects system malfunctions. Continuous regulation does not require any additional energy for both liquid and gas phases. The regulation mode is also retained when the current is switched off. After switching on the current, no external intervention is required.
    The pressure drop inside the device is relatively small and always corresponds to the performance at a given time. The device does not require maintenance and constant monitoring. Its design is simple and does not require large funds. implementation. Due to the continuous measurement, the errors inherent in the periodic measurement method are avoided.
    权利要求:
    Claims (4)
    [1]
    1. A device for measuring the productivity of an oil well, containing a two-phase separator with inlet and first and second outlet nozzles, a moisture meter connected to the first outlet nozzle, a gas flow meter connected to the second outlet nozzle and a moisture meter, a liquid flow meter, a gas pressure regulator, a liquid level regulator in the form placed inside the separator of the float with a lever and the main pressure regulating valve installed on the second outlet fitting with the possibility of interaction with the float, characterized in that, in order to increase the reliability and accuracy of work by combining the regulator. a gas pressure torus and a liquid level regulator, it is equipped with an additional pressure regulating valve located in the separator and connected to the first outlet fitting with the possibility of interaction with the float and the main pressure regulating valve,
    [2]
    2. The apparatus of claim. 1, l and m of h and w o f ec I in that it is provided with a reservoir wherein the liquid level controller installed, the gas pressure regulator, the main and additional regulatory dzvle and of the flap.
    [3]
    3. The device according to claim. 1. It has the fact that it is equipped with two pipelines connected with the outlet fittings of the separator.
    Order 2331 Circulation Subscription
    VNIIPI of the State Committee for Inventions and Discoveries at the USSR State Committee for Science and Technology 113035, Moscow, Zh-35. Raushskaya emb.
    [4]
    4/5
    Production and Publishing Plant Patent, Uzhgorod, Gagarin str., 101
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    引用文献:
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    HU881145A|HU202978B|1988-03-10|1988-03-10|Device for metering yield of an oil well|
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