SKT-54 Downhole Tractor

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SKT-54 Downhole Tractor

Purpose

The Downhole Tractor is designed for the delivery of devices, geophysical and technological equipment to the horizontal section of oil, gas and water wells.

Additional functions

temperature registration in the range from 0 to 150 ˚С
pressure registration in the range from 0 to 600 kg/cm²
well elements registration (location of couplings)
ensuring the transmission of data from geophysical instruments while simultaneously tracing the assembly

Technical characteristics

Parameter	SKT-54-120	SKT-54-150
Max temperature in the well	≤+120°С	≤+150°С
Max pressure in the well	≤60MPa	≤80MPa
Max diameter of the Downhole Tractor	≤54 mm
Min diameter for the passage	≥64 mm
Max diameter for the passage	≥220 mm
Max motion speed	400 m/h
*Тractive force of the Downhole Tractor:
— 2 wheel pairs	≥200 kgf
— 3 wheel pairs	≥400 kgf
— 4 4 wheel pairs	≥600 kgf
**Min configuration length:
— 2 wheel pairs	≥6.8 m
— 3 wheel pairs	≥9.2 m
— 4 wheel pairs	≥11.6 m
*******Max configuration length:
— 2 wheel pairs	≥10.6
— 3 wheel pairs	≥13
— 4 wheel pairs	≥15.4
Supply voltage of the surface unit	~220 V
Max power consumption	≤5 kW
Contraflow	yes
Cable type for the connection	KG 3х0,75
Cross section of the transit current-conducting strands / quantity	0.5 mm² / 1 piecе

* — the characteristics are given for the Downhole Tractor with a geophysical cable KG3-0.75 of 5000 meter length; the Downhole Tractor is powered by two current-conducting strands, the supply voltage of the surface unit is 600V, an average temperature over the cable is 40 ºС.
** — the length of the Downhole Tractor set which includes an electronics unit and a wheel unit.
** — the length of the Downhole Tractor set which includes a rotary contact device, a collar locator/ tensile compression modulus, an electronics unit, two centering skids and a wheel unit.