Case Histories

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Challenging Horizontal Well with Expected Casing Wear

Location: Middle East
Well Type: Horizontal
Objective: Casing Protection
Solution: WWT NRPs
Results: 7” liner protected from KOP to liner shoe throughout bit run.

Challenging Horizontal Well with Expected High Torque – Middle East

Location: Middle East
Well Type: Horizontal
Objective: Torque Reduction
Solution: WWT NRPs
Results: Torque Reduced by 38% when WWT NRPs reached recommended area.

Complete Riser Protection without POOH on a Series of Offshore Wells - Non-Rotating Protector Provides Greater Than 25% Torque Reduction

Location: Africa
Well Type: Offshore Directional
Solution: Non-Rotating Protector
Results: Reduce Torque

Complete Riser Protection without POOH on a Series of Offshore Wells– Africa

Location: Africa
Well Type: Directional
Objective: Riser protection without POOH
Solution: WWT NRPs in open hole
Results: Riser protected throughout each well in one bit run to TD

Conveyance of Coiled Tubing Tool Strings

Sakhalin Island, Russia
Job: 0401
Well Depth:     9,300 meters + TMD
2,600 meters + TVD
Problem: The conveyance of tool stings carrying perforating guns and production logging instruments to TMD beyond that of the coiled tubing helical lock-up point.
Solution: The WWT International Inc. Intervention Tractor, developing 8,500 lbs. of force and installed at the end of the coiled tubing, was able to deliver tool strings to the desired location on 5 runs into the well, accumulating over 4,300 meters of walking distance at up to 17 ft. per minute.

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