Well deparaffination unit

Well deparaffination unit

Onshore semi-automatic and automatic, wellhead and cluster, mobile and offshore modifications are available.

Application

Mechanical deparaffination of tubing (with scrapers) for wells with natural flow, ESP and ESPCP.

Advantages

  • Wire tension control;
  • Ratchet joint of drive shaft and spool to prevent reverse winding of wire;
  • Unit status monitoring in case of power cut;
  • Winch is turned off when pump is stopped;
  • Handbrake to set scraper in free fall mode;
  • Emergency alarm;
  • Automatic sealing device;
  • Remote data monitoring and transfer;
  • Manual removal of paraffin plugs;

Benefits

  • Increased well runlife and cleaning interval;
  • Preserved flow rate;
  • Easy operation and maintenance;
  • High repairability;

Technical specification

 WDU 80/
WDU 80А
WDU 100/
WDU 100А
WDU 80WА
Wellhead unit
WDU 63WA
Wellhead unit
Cleaned tubing OD, inch (mm)from 2 (48)from 2 (48)from 2 (48)from 2 (48)
Lubricator max. operating
pressure, MPa (Psi)
up to 35 (5076)up to 35 (5076)up to 35 (5076)up to 35 (5076)
Nominal lubricator size, inch (mm)2.55 (65); 3.14 (80)2.55 (65); 3.14 (80)2.55 (65); 3.14 (80)2.55 (65); 3.14 (80)
Max. cleaning depth, ft (m) 6560 (2000)9850 (3000)6560 (2000)6560 (2000)
Wire OD, inch (mm) 1.8/2,21.8/2,21.8/2,21.8/2,2
Electric motor (power, speed, voltage)*1.1 kW, N =
1000rpm,
380V / 220V
1.1/1.5 kW, N
= 1000 rpm,
380V / 220V
1.1 kW, N =
1000rpm,
380V / 220V
0.75 kW, N
= 1000rpm,
380V / 220V
Scraper travel speed, max. without
adjustment/ (adjusted by VFD
for automatic units) m/min*
3 – 173 – 173 – 173 – 17
Overall dimensions, inch (mm)*2100х560х8302160х680х830750х460х1720750х400х1780
Unit weight without wire / with
wire (2 inch) (max.), kg
190/280200/30090/14080/145
Installation versionAt well site At well site At wellhead
on lubricator
At wellhead
on lubricator
Operation modeManual,
semi-automatic /
manual, automatic
Manual,
semi-automatic /
manual, automatic
Manual,
automatic
Manual,
automatic

* Provided reference values may vary depending on Customer’s technical requirements.

    Ask question or leave an inquiry


    Clicking on the button “Send”, I agree with the terms of the Privacy Policy