FIELD: mining; pumps.
SUBSTANCE: invention relates to oilfield equipment, in particular, to universal multifunctional equipment, mainly to modification of equipment of plug-in hydraulic jet ejector pump. In the device, the housing is a steel structure consisting of three parts connected by thread and welding: an upper part containing a central channel and a coupling for connection to the tubing string, middle part, having a shape in the form of a cross-flow coupling and containing a central axial channel, nine longitudinal channels for supplying working and passing of fluid produced from the well and three radial slots, and a lower nipple part having a connecting thread for connection to the tubing string, wherein the pump housing comprises a mechanism for installing seals for accommodating replaceable functional units based on a plug-in jet pump, in which there is a nozzle and a chamber with a diffuser, which is an ejector device, wherein functional units are installed in pump housing depending on type of required operation (work) on oil well with possibility of their rapid replacement by means of cable-rope equipment and contain a filter with a thread for connection of multi-parameter autonomous geophysical instruments for recording in its non-volatile memory data on flow rate, water cut, temperature and pressure, and multiparameter field-geophysical instruments in cable or self-contained design for production logging for determination of inflow profile and watering source.
EFFECT: possibility of rapid replacement of worn-out nozzles and mixing chamber with diffuser (ejector) without the need to remove tubing with packer and pump housing from the well, using cable equipment, which reduces time and labour costs for one operation with the well.
7 cl, 6 dwg
Authors
Dates
2024-10-21—Published
2024-06-26—Filed