Report of an Oil and Gas Incident (rogi) Form Interim version Guidance Who should use this form?



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16.Part A Detailed Report


Unintended Release of Oil, Gas or Hazardous Substance (ignited or not), Fires and Explosions
Implementing Regulation Section A: Unintended release of oil, gas or other hazardous substances, whether or not ignited

RIDDOR 2013, Part 6 Dangerous Occurrences which are reportable in respect of an offshore workplace – 75; Release of Petroleum Hydrocarbon / 76; Fire or explosion / 77; Release or escape of dangerous substances; Supplementary HCR reporting



Also complete for the unintentional releases from a pipeline within the 500 meter zone of an installation

17.Section A1





Was there a release of hydrocarbon substances?



Yes



No

If Yes complete from A1

If No, go to A2

                  1. Hydrocarbon Released



Non Process

Please specify




(Supplementary)

Choose a Hydrocarbon type



Process



Oil



Gas






Condensate



2-Phase




For gas or 2-Phase, state level of H2S

Enter estimated ppm. If less than 5 ppm enter “insignificant”.



Enter estimated ppm. If less than 5 ppm enter “insignificant”










(Supplementary) For gas, estimate approximate molecular weight

Enter molecular weight






n/a




(Supplementary) For 2-Phase, state GOR (gas/oil ratio)

Specify units.kg/kg, scf/bbl



Enter GOR and specify units






n/a




(Supplementary) For liquids, state density (kg/m3)

Enter density and specify units




(Supplementary) Please state water cut (where relevant) (%age of liquid by mass)

Enter water cut






n/a




(Supplementary) Was the release limited/stopped due to a local manual intervention / isolation, separate from the ESDV system?



Yes



No




(Supplementary) Did liquid spray/mist releases occur?



Yes



No

                  1. Estimated quantity released




Estimated quantity released

Specify units e.g. tonnes, kg, Nm3

[Nm3 is normal cubic metre]


Enter quantity released and specify units



(Supplementary) What is the basis for this estimate?

Enter description

(Supplementary) Total gas HC Inventory in system

Specify units e.g. tonnes, kg Nm3

[Nm3 is normal cubic metre]


Enter gas HC Inventory in system and specify units


(Supplementary) Total liquid HC Inventory in system

Specify units e.g. tonnes, kg



Enter liquid HC Inventory and specify units

(Supplementary) Extent of dispersion / liquid spread

Enter extent of dispersion

(Supplementary) What is the severity classification of this release

Choose a rating

                  1. Estimated initial release rate




Estimated initial release rate

Specify units e.g. tonnes/day, kg/s, Nm3/s

[Nm3/s is normal cubic metre per second]


Enter estimated initial release rate and specify units


(Supplementary) Equivalent hole diameter

Based on hole area equated to a circular hole (mm)



Enter diameter

(Supplementary) Is hole size measured or estimated?



Measured



Estimate

(Supplementary) If estimated, on what basis?

Please describe

                  1. Duration of leak




Duration of leak

(seconds/minutes/hours)

(Estimated time from discovery, e.g. alarm, electronic log, to termination of leak)


Enter duration and specify units

                  1. Location of leak




(Supplementary)

Module / area name

(Please state the name in common use on the installation, including subsea if appropriate)

[Please also complete the location check list below. Please indicate those items which come nearest to pinpointing the location of the leak.]

Enter module/area name



(Supplementary)

System Category



Primary

Select primary category

Secondary

Select secondary category

Tertiary

Select tertiary category

(Supplementary)

Equipment category



Primary

Select primary category

Secondary

Select secondary category

Tertiary

Select tertiary category

Other

Please specify

(Supplementary)

Separation Train



Number

Please specify

Total

Please specify

Stage

Please specify

(Supplementary)

Valve type

(where valve is selected above in equipment category)

Select one type






Other

Please specify

(Supplementary)

Flange type

(where Flange is selected above in equipment category)


Type

Select one type

Rating

Select a rating

Bore Size (in)

Enter bore size

Other

Specify Type, Rating and Bore Size (in)



Please specify

(Supplementary) For valves, flanges, pumps, tubing, pipework, pipelines and other fittings, please specify their size in terms of nominal bore, in inches (i.e. the nominal bore of the piping they connect to)

Enter size

(Supplementary) For PIG LAUNCHER/RECEIVERS and PRESSURE VESSELS give both the LENGTH and the DIAMETER in mm or inches, as available

Enter size

(Supplementary) For BOP Stacks indicate the design pressure rating, e.g. 5,000 psi.

Enter design pressure rating.

(Supplementary) Storage Tank Volume

(Specify units e.g. bbl, gall, m3 )



Please specify

(Supplementary) Piping & Pipelines

(Specify Rating)



Please specify

                  1. Hazardous area classification (i.e. zone at location of incident)







Classification



1



2



Unclassified

                  1. Module ventilation?









Natural



Forced

How many sides enclosed?

(Insert the number of walls, including floor and ceiling)



Enter the number of walls, including floor & ceiling

Module volume (m3)

Enter volume in m3

Estimated number of air changes (if known)

If “Natural ventilation” is selected above, type ” n/a”

Specify Hourly rate


Specify hourly rate

                  1. Weather conditions




Wind speed

(specify units e.g. mph, m/s, ft/s or knots)



Enter wind speed and specify units

Wind direction

(Specify heading in degrees) from true north



Enter wind direction


Provide a description of other relevant weather conditions

(including sea conditions)



Describe weather conditions

                  1. System pressure




Design Pressure

(Specify units,e.g. bar,psi or other)



Enter design pressure and specify units

Actual Pressure

(i.e. at time of release)



Enter actual pressure and specify units

(Supplementary) Design Temperature (maximum)

Enter maximum design temperature and specify units

(Supplementary) Design Temperature (minimum)

Minimum design temperature and specify units

(Supplementary) Actual Temperature

(i.e. at time of release)



Actual temperature and specify units

                  1. Means of detection

Detection systems



Gas

Choose a Gas detection system






Fire

Choose a Fire detection system






Smoke












Other

Please specify.

(Supplementary) Instrumentation of Process System

Choose an item

(Supplementary) Planned Manual Inspection

Choose an item

(Supplementary) Unplanned Manual Inspection

Choose an item

                  1. Cause of leak

(Supplementary) Please give a short description and complete the checklist below

Describe cause of leak.



Design Failure related to design



Equipment









Internal corrosion



External corrosion






Mechanical failure due to fatigue



Mechanical failure due to wear out






Erosion



Material defect






(Supplementary) Degradation of valve sealing



(Supplementary) Loss of bolt tensioning






(Supplementary) Degradation of flange gasket



(Supplementary) Failure of a temporary repair






(Supplementary) Degredation of permanent or temporary repair












Other

Please specify



Operation






Incorrectly fitted



Left open






Improper inspection



Improper testing






Improper operation



Improper maintenance






Dropped object



Other impact






Opened when containing HC



(Supplementary) Incorrect fitting of flanges or bolts during maintenance






(Supplementary) Pressure excursion



(Supplementary) Overflow/over filling






(Supplementary) Break-down of isolation system during maintenance (technical)



(Supplementary) Work on wrong equipment (not known to be pressurised)






(Supplementary) Incorrect blinding/isolation



(Supplementary) Maloperation of temporary hoses






(Supplementary) Maloperation of valve(s) during manual operation



(Supplementary) Erroneous choice of installations of sealing device






(Supplementary) Impact from bumping / collision



(Supplementary) Maloperation of valve(s) during manual operations






(Supplementary) Valve(s) in incorrect position after maintenance



(Supplementary) Incorrect installation of small bore fittings






(Supplementary) Temperature excursion












Other




Please specify



Procedural






Non-compliance with procedure



Non-compliance with permit-to-work






Deficient procedure












Other

Please specify

Indicate the operational mode in the area at the time of release

Choose the relevant parameter(s) from the following categories





Construction



Hot work



Cold work



Draining



Drilling






(Supplementary) Oil



(Supplementary) Gas









(Supplementary) Exploration









(Supplementary) Exploration









(Supplementary) Appraisal









(Supplementary) Appraisal









(Supplementary) Development









(Supplementary) Development



Maintenance









(Supplementary) Hot work



(Supplementary) Cold work



(Supplementary) Draining



Routine Maintenance



(Supplementary) Hot work



(Supplementary) Cold work



(Supplementary) Draining



Normal Production



Pipeline operations including Pigging



Well Operations with Tree












(Supplementary) Oil



(Supplementary) Gas


















(Supplementary) Wireline






(Supplementary) Wireline









(Supplementary) Coiled tubing






(Supplementary) Coiled tubing









(Supplementary) Snubbing






(Supplementary) Snubbing









(Supplementary) Well test






(Supplementary) Well test









(Supplementary) Abandonment



(Supplementary) Abandonment









(Supplementary) Service






(Supplementary) Service









(Supplementary) Construction






(Supplementary) Construction









(Supplementary) Other






(Supplementary) Other



Well Operations without Tree












(Supplementary) Oil



(Supplementary) Gas


















(Supplementary) Wireline






(Supplementary) Wireline









(Supplementary) Coiled tubing






(Supplementary) Coiled tubing









(Supplementary) Snubbing






(Supplementary) Snubbing









(Supplementary) Well test






(Supplementary) Well test









(Supplementary) Abandonment



(Supplementary) Abandonment









(Supplementary) Service






(Supplementary) Service









(Supplementary) Construction






(Supplementary) Construction









(Supplementary) Other






(Supplementary) Other



(Supplementary) Blowdown



(Supplementary) Commissioning



(Supplementary) Cleaning



(Supplementary) Flushing



(Supplementary) Installation



(Supplementary) Inspection



(Supplementary) Reinstatement



(Supplementary) Removal



(Supplementary) Replacement



(Supplementary) Sampling



(Supplementary) Shutdown



(Supplementary) Shutting down



(Supplementary) Start up



(Supplementary) Temporary



(Supplementary) Testings



(Supplementary) Top up

                  1. Did ignition occur?



Yes



No

If yes, was it:












Immediate



Delayed







Delay time (sec)

Enter time (sec).

(Supplementary) Was it an ignition of a continuous operational release?



Yes



No

Was there: (add sequence of events by numbering appropriate boxes in order of occurrence)

Enter sequence number

A flash fire

(no blast damage)



Enter sequence number

An explosion

(sufficient to cause blast damage)






Enter sequence number

A jet fire

(including spray fires)



Enter sequence number

A pool fire

                  1. Ignition Source (if known)




Provide a description of the ignition source

Describe ignition source


                  1. What emergency action was taken?



Shutdown



Automatic ESD initiation



Manual












(Supplementary) ESD initiation












(Supplementary) Local initiation



Blowdown



Automatic



Manual



Deluge



Automatic



Manual



CO2/Halon/inerts



Automatic



Manual



Other

Please specify

(Supplementary) Time between detection and isolation.

(Specify units, e.g. seconds, Minutes)



Enter time and specify units

(Supplementary) Time between detection and start of blowdown.

(Specify units, e.g. seconds, Minutes)



Enter time and specify units



Call to muster



At stations



At lifeboats



(Supplementary) Partial down man



By helicopter



By lifeboats







Other

Please specify



(Supplementary) Installation evacuation



By helicopter



By lifeboats







Other

Please specify

                  1. Any additional comments

Enter additional comments



18.Section A2





Description of circumstances, consequences of event and emergency response

Enter description

Was there a release of a non-hydrocarbon hazardous substance?




Yes



No

If yes, specify the type and quantity of released substance

Specify type and units

Was there a non-hydrocarbon fire (e.g. electrical) with a significant potential to cause a major accident?



Yes



No

Enter description

Is the incident likely to cause degradation to the surrounding marine environment?



Yes



No

If yes, outline the environmental impacts which may have already been observed or are likely to result from the incident

Enter outline



19.Section A3





Preliminary direct and underlying causes (within 10 working days of the event)

Enter causes



20.Section A4





Initial lessons learned and preliminary recommendations to prevent recurrence of similar events (within 10 working days of the event)

Enter recommendations and lessons learned


End of Part A Detailed Report


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