ROVs
MAXROV
The MaxRov is a Live Boat ROV system equipped primarily for inspection as well as some construction functionality. The unit is operational to depths of 3300' and can be efficiently deployed from vessels of all sizes can be fully operational within hours of being positioned on deck. (MORE..)
ROV Services
Inspection/Survey
- Level II Platform Inspections
- Cathodic Potential Measurements (complete fly through of jacket) Accurate to ± 2mv
- Video Survey (including Anode Count)
- Debris Report
- Scour Check at base of all legs
- Riser inspection (Cathodic Potentials and Visual)
- Pre and Post dive Calibrations of Half Cell
- Sonar measurements (Client request)
- 1500km Buried Pipeline Survey
- Innovatum and Altimeter to confirm depth of burial. (TSS 340 was also used)
- Cathodic Potential Measurements (proximity) of Pipeline
- Constant Sonar sweeps to locate possible debris
- Sub Sea Valve Assembly inspections/surveys
- Sonar Measurements from Pull in Head of P/line to Tube Turn at base of Riser ± 2” over 100’
- Confirmation of Submar Mat positions on Pipeline Crossings prior to release.
- PGB Confirmation of orientation prior to landing BOP
- Monitor H4 Indicator Pin, Check Bullseyes, LMRP, etc. during Drilling Operations
- Enter Net Guard to inspect valve assemblies for leaks
Construction
- Jacket Sets
- Net Guard Removals
- Trash Cap Removal and Installation
- Installation of Overshots (bullets) prior to Jacket Installation
- Assist Jacket Installations
- Bottom Sonar/Visual Survey prior to Jacket Set
- Mud mat depth readings post Jacket Set
- Position Piles into Skirt
- Sub Sea Hammer Operations (monitoring hydraulic umbilical for hammer and blow count on Pile)
- Monitor Grouting Operations
- Drilling Operations
- Monitor initial Tag of 36” drill bit on bottom
- Monitor 26” drill bit enter hole
- Observe 20” casing, PGB positioning
- Monitor Grouting operations (150% overfill)
- Re-establish guide wires
- Cut guide wires
- Pipeline Operations
- Monitor touch down point
- Inspect Anodes at time of lay down
- Monitor plow operations
- Using dual profiling Sonar heads to profile trench for plow
- Innovatum to confirm depth of burial of pipeline (max 20’)
- Survey exposed pipeline using Boom Cameras, CP
- Confirm pipeline is on track