Download - Subsea Well Control for Drilling Operations
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Canada-Newfoundland and Labrador
Offshore Petroleum Board
Subsea Well Cont rol for Dr il ling
Operat ions and Oil Spi llReadiness
C-NLOPB Technical Br ief ing forMedia June 2, 2010
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Canada-Newfoundland and Labrador
Offshore Petroleum Board
Legislat ive Requirement s
Regulations Drilling and Production Regulations Certificate of Fitness Oil and Gas Debris and Spills Liability
Petroleum Installations
Guidance Drilling and Production Guidelines
Drilling Programs Safety Plans Incident Reporting and Investigation Environmental Protection Plan Physical Environmental Programs Data Acquisition and Reporting Financial Responsibility Requirements
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Canada-Newfoundland and Labrador
Offshore Petroleum Board
Environmental Assessment
Strategic Environmental Assessment
Conducted by C-NLOPB prior to issuing exploration
licences Reviewed by federal and NL agencies, including
fisheries, environment
Draft report published for public comment Report available on C-NLOPB Web site
Includes overview of blowout risk and consequences
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Canada-Newfoundland and Labrador
Offshore Petroleum Board
Environmental Assessment
Project Specific Environmental Assessment
Conducted in accordance with Canadian EnvironmentalAssessment Act
Documents published on C-NLOPB Web site in near-realtime
Assessment documents reviewed by staff of C-NLOPB,
environment and fisheries agencies of federal and NLgovernments
Includes potential effects due to accidental events,
including blowouts
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Canada-Newfoundland and Labrador
Offshore Petroleum Board
Traj ectory ModelResult s: Orphan Basin
From original assessmentusing typical basin releasepoint
Model simulate onerelease per day for 40years using actual wind
data No trajectories reached
shore
Figure indicates area with
> 1% probability ofhaving oil present overthis period
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Canada-Newfoundland and Labrador
Offshore Petroleum Board
Aut horizat ion Requirement s
Operations Authorization (OA) Safety Plan Environmental Assessment Environmental Protection Plan
Contingency Plans Offshore and Onshore Emergency Response Plans Oil Spill Response Plan Ice Management
Relief Wells Certificate of Fitness Operators Declaration of Fitness Letter of Compliance Financial Responsibility C-NL Benefits Plan
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Canada-Newfoundland and Labrador
Offshore Petroleum Board
Approval Requirement s
Approval to Drill a Well (ADW) Formation Pressure and Fracture Gradient Evaluation
Barrier analysis to confirm two barriers at all times
Casing Program Cementing Program
Drilling Fluids
Casing and Wellhead Pressure Testing
Formation Leak-Off Tests
BOP Configuration
BOP Pressure and Function Testing
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Canada-Newfoundland and Labrador
Offshore Petroleum Board
Safet y Plans
Hazard Identification Risk Management
Training and Competency of Personnel
Details of Systems and Equipment, includingMaintenance/Inspection/Testing
Operational Procedures and Processes
JOHSC Incident Reporting and Investigation
Management Oversight/Monitoring
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Canada-Newfoundland and Labrador
Offshore Petroleum Board
Oversight of Dr il ling Operat ions
At Operations Application Level
At ADW Submission/Review
During Operations Daily Drilling, Geologist and Log Reports
Reviewed by a number of C-NLOPB Staff
Copies provided to NL Dept of Natural Resourcesfor Exploration and Delineation Wells
Inspections
Audits
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Canada-Newfoundland and Labrador
Offshore Petroleum Board10
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Canada-Newfoundland and Labrador
Offshore Petroleum Board
Format ion Pressures
Abnorm al Form at ion
Pressure
Normal FormationPressure = Hydrost atic
Gradient of Wat er
Hydrost at ic Pressure
of Mud
Normal Pressure Gradient
Onshore: 9.8 kPa/ m
Off shore: 10.25 kPa/ m
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Canada-Newfoundland and Labrador
Offshore Petroleum Board
Well Barr iers
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Canada-Newfoundland and Labrador
Offshore Petroleum Board
BOP Specif ic Requirement s
BOP Stack Configuration and Operating Limits
Capacity and Redundancy in BOP Control System
Deepwater considerations
Hydrates
Cold Temperature
Pressure and Function Test Procedures and Frequency
Test Verification via review of Daily Report Informationand records review during Audits
Modes of Activation
1 of 3 backup systems in shallow water (anchoredvessel)
2 of 3 systems in deep water (dynamically positioned
vessel)
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Canada-Newfoundland and Labrador
Offshore Petroleum Board
Riser Specif ic Requirements
Drillsite specific Riser Analysis and Weak PointAssessment
Riser Margin
Emergency and Planned Disconnect Procedures
Drift-Off Management
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Canada-Newfoundland and Labrador
Offshore Petroleum Board
Stena Carron
Dual-mast, ultra-deepwater,dynamically-positioned drillship
Drilling water depth of 10,000 ft
Total drilling depth of up to35,000 ft
3 backup systems for BOPactivation
Length of 748 ft.
Variable Deck Load: 15,000tonnes
Maximum P.O.B.: 180 Man
Accomodation
3 Electric HydraulicKnuckleboom Cranes
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Canada-Newfoundland and Labrador
Offshore Petroleum Board
Stena Carron - BOP Stack
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Canada-Newfoundland and Labrador
Offshore Petroleum Board
Sample Relief Well Dr il ling Program
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Source: htt p:/ / w w w .deepwat erhorizonresponse.com/ go/ doctype/ 2931/ 54691/ HorizonMay 24, 2010 Update
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Canada-Newfoundland and Labrador
Offshore Petroleum Board
I RF and NSOAF Best Pract ices
International Regulators Forum CNLOPB part of IRF
IRF committee activity Upcoming IRF conference (program changes) and IRF
meeting
North Sea Offshore Authorities Forum Wells WorkingGroup Well Operations Engineering meeting in Norway
Member country responses to GoM (not enough infoavailable to define immediate and root causes aboutwhat happened)
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Canada-Newfoundland and Labrador
Offshore Petroleum Board
BOP Back-up Systems on Mobile
Dr ill ing I nst allat ions in NL Offshore Stena Carron
ROV intervention
Automode Function
Acoustic System
GSF Grand Banks ROV intervention
Henry Goodrich ROV intervention
Henry Goodrich
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Canada-Newfoundland and Labrador
Offshore Petroleum Board
Product ion I nstallat ions
Drilling activity regulated same as
exploration wells Different systems in place for production
Two Barriers Production Tree
Downhole Safety Valve
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Canada-Newfoundland and Labrador
Offshore Petroleum Board
Operators Responsible forEmergency Response
Lead government agency for
dril l ing, product ioninstallat ions on sit e, e.g.: Hibernia, Terra Nova, White
Rose production platforms,subsea installations, loading
systems Drilling units on site (e.g., StenaCarron at Lona O-55)
Resource agency in all ot hercases, e.g.: Drilling unit off-site Supply vessels Shuttle tankers
C-NLOPB Spil l Response Role
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Canada-Newfoundland and Labrador
Offshore Petroleum Board
Accord Act paragraph 46 (1) :
The Board shall, t o ensure eff ect ive coord inat ion and avoidduplicat ion of w ork and act ivit ies, conclude w it h t he
appropr iate depart ments and agencies . . . Memoranda ofunderstanding in relat ion t o (a) environmental regulat ion; (b)emergency measures; . . . and ( f ) such other mat ters as areappropriate.
I nt eract ion w it h Other Agencies
MOUs concluded in late 1980s with environment,fisheries, energy departments of Canada & NL
Environment MOU acknowledges and cites the roleof Regional Environmental Emergency Team(REET)
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Canada-Newfoundland and Labrador
Offshore Petroleum Board
Formed by federal Cabinet directive following 1970Arrowtankerspill
REET provides consolidated environmental advice to leadagency and/or incident command
Chaired by Environment Canada
Members from federal, provincial agencies with environmentalemergency related responsibilities
Separate REET in each region of Canada
Each REET meets annually in workshop mode
REET can be activated in an emergency, with active participantsdrawn from membership
Regional Environment al Emergencies
Team (REET)
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S ill R R i t
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Canada-Newfoundland and Labrador
Offshore Petroleum Board
All spills prohibited Contingency plans required
- Also annual field countermeasures exercise
Operator must report spills to C-NLOPB
Operator must take all reasonable measures to respond to andmitigate spill
Operator financially responsible for all actual loss or damage resulting
from spill- Up to prescribed limit, without proof of fault or negligence
- Unlimited liability where fault or negligence proved
C-NLOPB Chief Conservation Officer has authority to intervene inresponse
Spi l l Response Requirement s
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Canada-Newfoundland and Labrador
Offshore Petroleum Board
Financial Responsibili t ies
Requirements
Polluter Pays (Clean-up and Compensation)
$30 M direct access $70 M available
$250 M financial capability
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Spil l Response Typical
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Canada-Newfoundland and Labrador
Offshore Petroleum Board
Tiered Response St ruct ure Tier 1: In-field / at-site resources
Tier 2: NL / regional resources (e.g., ECRC, CCG NL) Tier 3: National/international resources (e.g., OSRL)
Comm and/ Cont rol St ructure
Communicat ions/ Not if icat ion Procedures I dent if icat ion of Resource Personnel and
Organizations
Provision for Personnel Training Resource Sharing Arrangement s w it h Other
Operators
Spil l Response TypicalPlanning Element s
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Canada-Newfoundland and Labrador
Offshore Petroleum Board
Oil Spill Response: Tier 1
All Support Vessels: Exploration and Production
100+ m Sorbent Boom
GPS/Satellite spill tracking buoys Spill sampling kit
In-Field Resources, Each Production Site
Single-Vessel Side Sweep (SVSS) system
60 m of 2.1m boom
Weir skimmer [100 m3/hr capacity (15,000 bbl/d)]
Outrigger arm
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Canada-Newfoundland and Labrador
Offshore Petroleum Board
Tier 1: Exploration and ProductionSorbent Boom System
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Tier 1: Product ion
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Canada-Newfoundland and Labrador
Offshore Petroleum Board
Single-Vessel Side Sw eepSystem
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Canada-Newfoundland and Labrador
Offshore Petroleum Board
Oil Spi l l Response: Tier 2 and 3
Tier 2: Regional Capacity ECRC Donovans - available 24/7/365
CCG Donovans - available 24/7/365
LargeCapacity Skimmer Systems Transrec 150 and 200 at ECRC, CCG
53,000 bbl/d fluid throughput each
Unsheltered-Waters Boom Systems
400 m Norlense 3.4 m boom (at ECRC) 370 m NOFI 2.4 m boom (at ECRC)
Tier 3 Canada, International Example: OSRL depot in Southampton, UK
Capable of responding anywhere in the world via cargo aircraft
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Tier 2: Explorat ion and Product ion
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Canada-Newfoundland and Labrador
Offshore Petroleum Board
Norlense Boom
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Tier 2: Explorat ion and Product ion
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Canada-Newfoundland and Labrador
Offshore Petroleum Board
Tier 2: Explorat ion and Product ionTransrec Skim mer System
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I f t i Di l
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Canada-Newfoundland and Labrador
Offshore Petroleum Board
I nformat ion Disclosure
Public Disclosure of Information
Oil Spill Tombstone Data
Per incident, for spills >1 liter*
Quarterly, for spills
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Canada-Newfoundland and Labrador
Offshore Petroleum Board
www.cnlopb.nl.ca
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