Area II Fall Spill Exercise

September 26, 2018

AGENDA

  1. Lunch
  2. Welcome
  3. Introduction of Area II Steering Committee
  4. Membership Review
  5. Case Study/Lessons Learned:  Well Blowout in Acheson Alberta, Emergency Response and Environmental Management
    1. On December 12, 2004, a natural gas well blowout occurred during routine well servicing at an Acclaim Energy wellsite located in a rural residential area of Parkland County in Alberta, adjacent to the Enoch Cree First Nation Reserve and just west of the Edmonton City Limit. Slightly sour gas and formation fluids (primarily salt water, with a small amount of oil) flowed to surface outside the well casing at a rate of 2,000 m3 per day, eroding a large crater and creating a significant spill containment challenge. The well was finally brought under control after flowing for 30 days. Environmental monitoring and site remediation activities continued for several months afterwards.

      This presentation will focus on the valuable lessons learned from this incident and cover the emergency management measures, air quality monitoring, and soil and groundwater management systems employed in response to the spill, which lead the Alberta government’s investigation team to conclude, “Despite the high profile of the blowout and the impacts to nearby residents, the EUB found that public safety was never compromised during the incident and there have been no lasting environmental impacts from the blowout.”

Area II Spill Exercise

Date:  September 26, 2018

Time: 12:00 pm

Place: Coleville Hall, Coleville, SK

83 Members in Attendance

59 Companies in Attendance

 

  1. Mark Kuss calls the meeting to order at 12:40 pm, Graham Daviduk, seconds, all in favor, carried.

 

  1. Mark Kuss reviewed agenda and introduced the steering committee.

 

  1. Jennifer Miller, Admin, reviewed membership letters that were sent out and how many we have received.

 

  1. Presentation from Paul Kelly, B.Sc., P.Chem. Director, Health & Safety, Plains Midstream Canada & Michelle Cotton, P.Ag.,
    President, Solstice Canada Corp.
    1. a. Part One – The Incident
      1. i. Well Description
        1. Drilled in 1952 by Imperial Oil
        2. First brought onto production in 1962
        3. Slightly sour - 225 ppm H2S
        4. Acquired by Acclaim Energy 26-May-2004
        5. ii. Location Setting
          1. Parkland County
          2. Mostly Agricultural & Rural Residential
          3. 200 m north of Enoch Cree First Nation
          4. 700 m west of Edmonton City Limit
        6. iii.     The Blowout
          1. Routine Workover - acid stimulation
          2. Pulled tubing on 11-Dec 2004
          3. Wellhead pressure reading on 12-Dec-2004
          4. Sudden downhole casing failure
          5. Uncontrolled off-set release of gas and well fluids - primarily salt water with some crude oil
          6. 150 joints of tubing fell from service rig derrick - disappearing into a rapidly forming crater
      2. b. Part Two – Initial Response
        1. i. Notification & Evacuation
          1. Blowout occurred at 8:20 AM
          2. EUB called at 8:35 AM
          3. EUB inspector arrived at site at 10:00 AM
          4. The one window reporting system failed, not all stakeholders were contacted
          5. 700 residents evacuated from Enoch First Nation

 

  1. ii. Initial Response
    1. Activated their ERP
    2. Response resources were rapidly deployed
    3. EUB presence established early
    4. Two insurance policies
      1. Blow out
      2. General liability
      3. c. Part Three Control
        1. i. Surface Kill Attempts
          1. Required entry via existing surface well equipment
          2. Efforts made to stabilize swaying wellhead
          3. Dec 13, 2004 - Unplanned ignition
          4. Dec 14, 2004 - Fire extinguished
          5. On Dec 16, 2004 - well purposely ignited
        2. ii. Adjacent Well Securement
          1. Crater continued to expand
          2. Nearby well surface facilities were removed
          3. 102 injected with cement on 11-Jan-2005
          4. 102 Pump Jack removed
        3. iii. Well Control
          1. Two relief wells were drilled
          2. 103 NW to intercept and mill into the 100 production casing
          3. 104 SE to drill into the Leduc formation to relieve pressure in the formation
          4. Well was finally brought under control on Jan 10, 2005
      4. d. Part Four – Containment
        1. i. Fluid Containment
          1. Fluids flowed at a rate of 80-100 m3/hour
          2. Crater restricted access to wellhead
          3. Fluid containment became a major priority
          4. Trenches and pits were constructed
        2. ii. Fluid Disposal
          1. Fluids filled pits rapidly requiring fast disposal
            1. 160 vacuum trucks worked 24 hours/day
            2. 22 separate disposal wells/caverns used
            3. Local facilities reached processing capacity
          2. Alternative options were explored
            1. Flocculation – failed due to tight emulsion
            2. Centrifugation – failed due to inconsistent feed quality
          3. Cells constructed at Acheson Gas Plant treatment pad with contaminated soil and plastic liners
          4. Reduction to 15 vacuum trucks
          5. Use of in-house disposal well
      5. e. Part Five – Abandonment
        1. i. Finding Good Casing
          1. The casing breach was deeper than the crater
          2. Excavation required far below the water table
          3. Subsurface silt/sand was very unstable
          4. Well point dewatering system was deployed
          5. Custom trenching box built to access casing
        2. ii. Well Abandonment
          1. Crater partially backfilled.
          2. Dewatering system continued for stability
          3. 12 m3/hour of groundwater produced
      6. f. Part Six – Monitoring
        1. i. Air Quality
          1. Monitoring began immediately close to wellhead
          2. Monitoring units deployed
            1. Three mobile monitoring units added
            2. Eight fixed monitoring units added
            3. EUB dispatched two mobile units
            4. AENV dispatched mobile air monitoring laboratory
        2. ii. Ground Water Quality
          1. Unconfined sand aquifer
            1. Just below surface
          2. Domestic water wells
            1. 30 water wells tested within 2 km
            2. 3 monitoring wells installed on site
          3. No groundwater impacts found in domestic wells
          4. No groundwater impacts found in monitoring wells
          5. Geoprobe found impacts around wellbore to 18 m
          6. Well point dewatering assisted recovery
          7. Groundwater monitoring plan developed
      7. g. Part Seven – Restoration
        1. i. Soil Management
          1. Waste characterization
          2. Remediate impacts from the unsaturated zone
          3. Under stockpiles & traffic areas
          4. Site reclamation
        2. ii. Soil Sampling
          1. 571 samples collected and field screened
          2. 122 samples submitted for laboratory verification
        3. iii. Evacuation Sampling
          1. 900 samples collected
          2. 300 analytical verification
        4. iv. Soil Management
          1. Clean & impacted soils handled separately
          2. Impacted soil was landfilled
          3. Total volume of impacted soil handled ~ 195,000 m3
          4. Total volume of clean soil handled ~ 25,000 m3
          5. All impacted soils in the unsaturated zone removed
      8. h. Questions
        1. i.     How many people where on site
          1. 300 but no more than 100 people on site at one time
        2. ii.     How much impact did this procedure have on your policies
          1. Procedures around acquisitions needed to be updated.
          2. Not everyone should be an incident commander
          3. Changed procedures around well servicing.

 

 

  1. Adjourned at 2:06 pm.
  2. Membership Sign In Sheet

NAME

COMPANY

Derek Odland

Secure Energy

David Brittner

Bellatrix Exploration

Brian Longmire

Novus Energy

Micheal Marcdavid

ISH Energy

Robert Keller

ISH Energy

Marlan Thompson

Teine Energy

Tyler Birn

Caltex Resources

Gerard Sieben

Caltex Resources

Bryan Evans

Veradon Energy

Andy YU

Aeraden Energy Corp

John Dahl

Crescent Point Energy

Scott Fullerton

Crescent Point Energy

Marshall Buttar

ISH Energy

Ron Reece

Broadview Energy

Ron Reece

Ravens Cross Energy

Jake Semilet

Plains Midstream Canada

John Burt

Zargon Oil & Gas

Micheal Psovsky

Dodsland Oil Processors

Troy Tryhen

Dodsland Oil Processors

Brent Tymchuk

ISH Energy

Grant Sittler

Steelhead Petroleum

David Witzaney

Respsol

Doug Bredy

CNRL

Steve Lee

Leeco Resources

Wallace Wang

MER

Paul Tessier

Baytex

Dylan Cole

Baytex

Curtis Gette

Bow River

Mike Cholin

Teine Energy

Les Cook

CNRL

Mark Kuss

Teine Energy

Mark Kuss

Steel Reef

Cori Schmidt

Novus Energy

Cori Schmidt

Raven Resources

Cori Schmidt

Schmidt Oil

Cori Schmidt

SSSS Oil

Earl Kaye

Gear Energy

Nathan Ward

ISH Energy

Ken Jones

ISH Energy

Graham Daviduk

Crescent Point

Carey Roesler

Tamarack Valley

Carey Roesler

Bounty Development

Carey Roelser

Fire sky Energy

Brent Schreger

Sphere Energy

Mitch Scherger

Sphere Energy

Ken Warwick

XTO

Dean Scherr

Richelhoff Resources

Terry Murphy

Plains Midstream

Byron Wildman

ISH Energy

Len Jorgenson

ISH Energy

Kevin Mackrell

Teine Energy

John Knutson

Longhorn Oil & Gas

Kirk Weber

Cona Resources

Kyle Prosser

Secure Energy

Charlie Schell

Secure Energy

Dan Dore

Tamarack Valley

Robin Jenn

NAL Resources

Chad Annuk

NAL Resources

Ryan Roth

NAL Resources

Jay Scarff

CNRL

Andy Ortman

Tamarack Valley

Tiffany Lowe

MER

Ryan Moore

MER

Brent Mclay

Longhorn Oil & Gas

Kyle Koch

Baytex Energy

Cliff Johnson

Tamarack Valley

Tracy Kuhn

Pearl Resources

Brett Becker

Rocky River

Dave Becker

Enhance Energy

Curtis Bahm

Inter pipeline

Trevor Neumeier

Inter pipeline

Scott Reiman

Tamarack Valley

Cale Borschneck

Tervita

Adam Bowden

Vermilion Energy

Donna Brotzel

Zelmar Energy

Bobby McLean

Whitecap Resources

Bobby McLean

Kaisen Energy

Barry Knight

CAJ Resources Ltd.

Barry Knight

Kanmar Resources Ltd.

Barry Knight

HD Energy Inc.

Barry Knight

Ice Hole Oil Co

Barry Knight

Crocus Oil Ltd

Barry Knight

Talls-Tar Energy Ltd.

Ryan Cooke

Tervita/Newalta

Michelle Cotton

Solstice Canada

Paul Kelly

Plains Midstream

Wes Johnson

Bonavista Energy

Wes Johnson

Tamarack Valley

Elliott Cline

Gibson Energy

Mike Schmidt

Zelmar Energy

Clyde Mack

Alta Gas

Donna Neumeier

Smitty’s Farms

Dwight Brost

Pele Energy Inc

Dwight Brost

Audax Investments ltd

Jocelan Lundqust

CNRL

Bryce Morland

Rolling Hills

Neil Getz

Vermilion Energy