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Wireline unit from chassis PTO
1/7
Multi-functional winch unit for all types of operations in oil-and-gas wells.
The unit made in a standard (ISO) 20-foot container mounted to MAN, IVECO, MERSEDES, and DAF trucks.
The truck is equipped with a container platform, integrated tool racks for downhole tools, ladder to the operator’s bay, belly boxes for additional instruments, and containers for transporting radioactive sources.
Trailer socket and tow bars may be added.
Chassis is additionally equipped with a rear bumper with a ladder to the winch bay, and built in places for auxiliary equipment and vices.
Logging operation is possible from the chassis or with the autonomic Power Pack.
Drum mount
Drum mount consists of welded frame, drum, transmission, braking system and measuring head, combined with spooler and bent parking brakes.
Hydraulic drive provides:
- smoth cable movement
- wide speed range
- low-speed logging methods
- hydraulic dynamic braking is realized in two versions:
- hydromechanical - through the circuit
- hydraulic - built in transmition
Braking system provides:
- smoth braking in movement
- relible parking brake
Spooler is equipped with autospooling with manual correction. Autospooling may be manually deactivated.
Quick replacement of the entire drum mount and of separate drum is provided.
Winch bay
Winch bay contains: winch, tool racks with pneumatic locks for instruments, containers for transporting readioactive sources, external electric connection and earthing cable reels, rear view spot-light, sheave wheels and other additional equipment.
Interior of the body is coated with corrosion-resistant paint, the floor is covered with nonslip material and equipped with drain tray.
Roof hatch may be opened at 90° to provide upper sheave view and to replace winch and drum. Hydraulic and electric connectors are of quick-detachable type. Side walls are fitted with hatches for mainaining winch drive.
Measurement and control system
Two types of measuring heads might be applied:
- WireHead for lines up to 12 mm cables
- SlickHed for lines up to 6 mm wire and cables
Displaying and recording of values:
- depth, speed and line tension
- differential tension
- power unit parameters
- hydraulic system parameters and diagnostics
- alarms, emergency stop messages
- real time diagrams
There are automatic modes:
- constant speed
- constant tensionl
- emergency stop under critical parameters (tension, differential tension)
- 50 m before surface stop
- programmed run- in-hole under preset depth and speed range
- logging operation parameters log (black box)
BOP control system may be installed.
Operator’s bay
- dust-and water-proof
- noise and heat isolated
- equipped with life-support systems
(air conditioner, heater, ventilation)
- flexible internal layout and design
Features
- diesel generator: up to 12 kW
- additional tool racks for
downhole equipment
Technical specification s
Cable diameter: 6 - 12 mm
Wire and rope diameter: 1.8 - 4 mm
Drum capacity: up to 7000 m
Winch type:
- one single drum
- one drum two-sections
- double drums
Maximum pulling forceat minimum diameter not less
than 60 kN
Standard speed range 40 - 8000 m/h
Extended speed range 20 - 8000 m/h
Operating temperature range
-40°C to +50°C
Dimensions (without chassys):
- length 10 000 mm
- width 2 500 mm
- height 4 000 mm
Weight (without chassys):
up to 18 000 kg
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