Method and device for determining working condition of oil pumping unit well on the basis of electric parameter curve
A technology of pumping wells and curves, applied in construction and other directions, can solve problems such as low efficiency
Active Publication Date: 2020-06-23
PETROCHINA CO LTD
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[0005]
The embodiment of the present invention provides a method and device for determining the working condition of the pumping well based on the electric parameter curve, which can solve the problem of low efficiency in the related art when using the dynamometer diagram to determine the working condition of the pumping well
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[0130] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0131] At present, pumping wells are generally equipped with an electric parameter acquisition system, and the electric parameter acquisition system may include: an electric parameter acquisition device and a central controller. The electrical parameter acquisition device is set in the distribution box of the pumping well, and has established a communication connection with the central controller, which can collect the electrical parameters of the pumping well in real time, and transmit the collected electrical parameters to the central controller , the central controller can fit the collected electrical parameters into an electrical parameter curve, and determine the working condition of the pumping well according to the electrical par...
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The invention discloses a method and a device for determining a working condition of an oil pumping unit well on the basis of an electric parameter curve, and relates to the field of oil gas mining. The device can obtain a practical electric parameter curve of the oil pumping unit well, curve parameter comparison is carried out on the practical electric parameter curve and a standard electric parameter curve, and according to a comparison result, the working condition of a motor of the oil pumping unit well can be determined. In addition, the method can determine the liquid supply working condition of the oil pumping unit well according to a change rule of the practical electric parameter curve. Since the generation period of the practical electric parameter curve is short, according to the practical electric parameter curve, the working condition of the pumping unit well can be determined in time, and the oil pumping unit well which abnormally operates can be found in time. The methodfor determining the working condition is high in efficiency.
Description
technical field [0001] The invention relates to the field of oil and gas exploitation, in particular to a method and device for determining the working conditions of pumping wells based on electric parameter curves. Background technique [0002] During the operation of the pumping well, the staff need to diagnose the working condition of the pumping well, in order to find out the pumping well in abnormal operation in time, and timely repair the pumping well in order to Avoid causing large economic losses. [0003] In the related art, the working condition of the pumping well is usually diagnosed by using an indicator diagram. During the diagnosis process, the staff needs to collect the dynamometer diagram of the pumping well every preset time period (for example, 10 days), and then compare the collected dynamometer diagram with the pre-acquired standard dynamometer diagram, so as to Determine the current working condition of the pumping well. [0004] However, in the proc...
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IPC IPC(8): E21B47/008
Inventor 李晓明孙大奎季亚辉贲井权隋海郑娇凤王迎
Owner PETROCHINA CO LTD