EnerMech
- 2020
- North Sea
- Services: Pipeline commissioning (pigging)
Sandaband Well Plugging AS
- 2020
- North Sea
- WPU 600, SPS 725
- Services: Heavy sand slurries (SG 2,2)
Schlumberger
- 2020
- North Sea
- WPU 600
- Services: MPD, CRI
Weatherford
- 2020
- Cameroon
- WPU 600
- Services: MPD
Baker Hughes
- 2020
- Japan
- Services: Well service (Gravel Pack)
Halliburton
- 2020
- North Sea, New foundland
- Services: Well service, MPD
Schlumberger
- 2020
- North Sea, New foundland, Gulf of Mexico, Africa, Continental Europe
- WPU 600, Swarf, CDP
- Services: Well Intervention, Gravel Pack, Stimulation (matrix acidizing), water and chemical injection, crude oil injection
Baker
- 2015 - 2018
- North sea
- Rowan Viking
- Mud cooling
- Services: No
COSL
- 2017
- North Sea
- COSL Pioneer
- Vacum system
- Services: Yes
COSL
- 2017
- North Sea
- Cosl Innovator
- Vacum System
- Services: Yes
Maersk
- 2017
- North Sea
- Maersk Intrepid
- Mud cooling
- Services: Yes
Noble Drilling
- 2017 2020
- Canada
- Noble Regina Allen
- Vacum system
- Services: Yes
Halliburton
- 2017 - 2020
- Sakhalin
- Lunskoye A
- Mud Cooling
- Services: Yes
Halliburton
- 2016
- Dong DK
- Herje field
- Swarf Handling
- Services: Yes
Weatherford
- 2016 2017
- Australia
- Onshore
- Swarf Handling
- Services: Yes
Halliburton
- 2016 - 2017
- UK
- Ocean Valiant
- Cuttings Handling, ( Vacum)
- Services: No
Halliburton
- 2016 - 2017
- UK
- Galaxy 1
- Cuttings Handling, ( Vacum)
- Services: No
Halliburton
- 2016 2017
- UK
- Dunbar Platforms x 2
- Cuttings Handling,( Vacum )
- Services: Yes
Halliburton
- 2016 2017
- UK
- Ensco 100
- Cuttings Handling, ( Vacum)
- Services: No
Halliburton
- 2016
- UK
- Transocean Leader
- Cuttings Handling, ( Vacum)
- Services: No
Baker
- 2015 2018
- North sea
- Rowan Viking
- Pump system
- Services: Yes
Baker
- 2014 - 2018
- North Sea
- Rowan Viking
- Vacum System
- Services: No
Tasman oil
- 2013 - 2015
- New Zealand
- Sedco 101
- Swarf handling, Auto system
- Services: Yes
COSL
- 2013 – 2017
- North Sea
- COSL PIONEER
- Cuttings handling equipment, vacum
- Services: Yes
Statoil
- 2013 – 2015
- North Sea
- SC 5
- Cuttings handling equipment, CDP, vacum
- Services: Yes
SAR/BP
- 2012 - 2014
- Jordan
- Jordan Onshore
- Cuttings handling, TCC
- Services: Yes
Archer
- 2012
- North Sea
- West Phoenix
- Swarf handling
- Services: Yes
Eni
- 2012 – 2017
- North Sea
- SC 8
- Cuttings handling rig and boat. ISO tank system on boat/ rig
- Services: Yes
ENI
- 2012 – 2013
- North Sea
- SC 5
- Cuttings handling equipment, CDP, vacum
- Services: Yes
MI Swaco
- 2011
- Dubai Abu Dhabi
- Offshore
- Cuttings Handling, Vortex Convyeor.
- Services: No
Archer
- 2011 - 2016
- North Sea
- Gullfaks
- Swarf handling
- Services: Yes
Halliburton
- 2011
- US
- GOM
- Cuttings handling equipment
- Services: Yes
Halliburton
- 2011
- UK
- Maersk Innovator
- Cuttings handling equipment
- Services: No
Halliburton
- 2011
- North Sea
- West Phoenix
- Cuttings Handling Equipment, CDP
- Services: No
Conoco Phiilips
- 2010 - 2011
- North Sea
- Veslefrikk
- Swarf handling
- Services: Yes
Tullow
- 2009 – 2014
- Ghana
- Eirik Raude
- Tank & process cleaning / waste handling
- Services: No
Scomi Oiltools
- 2006 – 2011
- North Sea
- Various rigs
- Drill cuttings handling, CDP , Blower
- Services: No
OTS runs and operate a number of small and larger clean up operations, tank cleaning, general rig cleaning not listed above.
