METHOD FOR MEASURING FLOW RATE OF OIL WELLS ON GROUP MEASURING UNITS AND DEVICE FOR ITS IMPLEMENTATION Russian patent published in 2017 - IPC E21B47/10 

FIELD: measuring equipment.

SUBSTANCE: method for measuring the flow rate of oil wells in group measuring units, including measuring the flow rate of oil wells connected to the group measuring unit by means of a well switch at the same time for all connected wells without one in turn and sequentially, then the results of the well production calculation are determined. At the same time, the total production of the well group connected to the measuring unit, indirectly obtained, is confirmed and continuously controlled by direct measurement with the installation of the switching node to the control inlet. Based on the results of the obtained deviations from the measured and controlled total production of the well group, all the connected wells without one are alternately measured, the results of the well flow rate measurement are sequentially determined and then the deviations of the operation of each well are determined from the measurement results. The flow measuring device includes a well switching assembly, a measuring unit and a common outlet pipeline, wherein the input of the measuring unit is connected to the common output collector of the well switching assembly, and the measuring line of the well switching assembly is connected by a bypass conduit to the common outlet of the measuring unit. The well switching unit comprises a control inlet that overlaps the input of the measuring line of the well switching unit, while simultaneously connecting the entire group of wells to the measuring installation.

EFFECT: increasing the accuracy and quality of measuring the flow rate of oil wells connected to the group measuring unit, due to the efficiency of the total and sequential measurement of the production rate of each well, ensuring sufficient time for reliable measurement of the flow rate of each well, and ensuring continuous real-time controlling all wells connected to the group measuring unit.

2 cl, 1 dwg