The borehole shtangovy pumps working from the land drive are the type, most widespread in the world, of the mechanized oil production. Being an executive element a well of pump installation, SShN are set in motion from the land drive by a column of pump bars and have the wide range of a pressure and giving. These pumps according to GOST 31835 - 2012 and API 11 - AX are manufactured, have plug - in and pipe (not plug - in) execution, and also special executions for various service conditions.
Pumps plug - in go down in NKT on bars in assembled form and are installed in castle support – standard collet, "arlansky" type with landing "a cone in a cone", manzhetny, frictional. Depending on cylinder type – thin - walled/thick - walled, mobile/motionless, and lock arrangements – lower/top, these pumps have the following designations in accordance with GOST: NV1B and NV2B and on API 11 - AX: RHAM, RHBM, RWAF, RWBF, RHTFS, RHAC, RHBC. Pumps are plug - in, made by the ELKAM company, have nominal diameter from 27 mm to 57 mm inclusive and can be completed in various executions upon the demand of the Customer.
Pumps pipe (not plug - in) are manufactured by the ELKAM company with nominal diameter from 32 mm to 120 mm with a lovitel and without it, can be equipped with the sbivny valve, the valve with an explosive calibrated membrane or devices of coupling and discharge. Depending on existence of a lovitel and like the drain device pipe pumps have the following designations: in accordance with GOST – NN2B, NNSh, NNB, NNBA, on API - 11AX–THM - S, THM, THC. By request of the Consumer pumps can be completed by cylinders, plungers and valvate couples of various executions and are in addition equipped with the device of automatic capture of the A3 type, a gas - sand anchor, a chamber of pipe scale.
Repair and service.