SYSTEM OF COLLECTION AND TRANSPORTATION OF OIL WELLS PRODUCTS Russian patent published in 2021 - IPC E21B43/14 

FIELD: oil and gas industry.

SUBSTANCE: invention relates to oil and gas industry and can be used in can be used in the development of multilayer hydrocarbon fields in the event when productive reservoirs are characterized by different pressure-and-temperature and porosity and permeability properties. System includes a pressure pipeline from the wells to the oil treatment unit, fed by at least one highly productive submersible pump, at least one ejector, a network of collecting pipelines from the wells connected to the pressure pipeline through an ejector; and at least one bypass pipeline. At the same time, at least one well with a highly productive reservoir is equipped with a highly productive submersible pump to feed a pressure pipeline equipped with at least one jet pump, and a lead pipeline equipped with a low-productivity pump of each of the wells with reservoirs having a productivity at least 70% less than that of a highly productive reservoir, fitted with a pressure sensor and communicated over the shortest distance with a low-pressure chamber of the corresponding jet pump, equipped with a suitable by-pass piping with an adjustable valve controlled by the control unit depending on the data from the pressure sensor of the lead piping to maintain the operation of the corresponding low-pressure pump within the maximum efficiency.

EFFECT: proposed system for collecting and transporting oil well products allows reducing energy losses due to more efficient operation of submersible pumps, simplified design, simplified construction and maintenance owing to the lack of a bore pit and its equipment, and a reduction in the total length of pipelines.

1 cl, 1 dwg