FIELD: oil and gas production.
SUBSTANCE: invention refers to method of safe servicing of installation for oil well at recovery of pipes from well. The method is designed for decreasing speed of block movement to safe speeds, when the installation operates under the mode of low load/high speed. The method consists in current control over engine torque and power, facilitating their minimal values for recovering light load from the well and avoiding excessive torque but maintaining it sufficient for recovery of blocked load.
EFFECT: increased safety of installation safety at recovery pipes from well.
18 cl
