Surface casing depth minimum requirements

86 Pages·1997·4.7 MB·English

by  Alberta Energy and Utilities Board

Guide 8
CANADIANS
SEUB
Surface Casing Depth
Minimum Requirements
October 1997 Edition
Alberta Energy and Utilities Board

Surface Casing Depth
Minimum Requirements
October 1997 Edition
Guide 8 Surface Casing Depth Minimum Requirements
17th Edition, October 1997
Copyright© 1997
Printed and published by the Alberta Energy and Utilities Board
All rights reserved. Please do not reproduce this guide with the exception of the forms. Additional guides are
available from EUB Information Services at (403) 297-8190 at a cost of $10.00 each.
1998
lEUIS Alberta Energy and Utilities Board
Contents
How to Use This Guide
A New Approach to Surface Casing HOW TO USE THIS GUIDE 1
Overview of the Guide HOW TO USE THIS GUIDE 3
Section 1: Surface Casing Waivers
1.0 Before You Begin SECTION 1 1
1 . 1 Surface Casing Waivers — No Approval Required SECTION 1 1
1.2 Surface Casing Waivers — Approval Required — SECTION 1 4
Feedback Form SECTION 1 7
Section 2: Surface Casing Standards
Surface Casing Check Sheet SECTION 2
2.0 Before You Begin SECTION 2
2.1 Special Areas SECTION 2
SECTION 2
2.2 Completing the Surface Casing Check Sheet — Section I
SECTION 2
2.3 Completing the Surface Casing Check Sheet — Section II
Feedback Form SECTION 2 15
Section 3: Conductor Casing Standards
Running Conductor Casing SECTION 3 1
Appendices
Definitions and Background Information APPENDICES 1
Formation Leak-OffTests APPENDICES 9
References List APPENDICES 1159
EUB Interim Directives APPENDICES
APPENDICES 21
ID 89-2: Blowout Prevention and Drilling Practices
APPENDICES
ID 91-3: Heavy Oil/Oil Sands Operations
ID 91-6: Casing, Cementing, Sampling and Logging Requirements APPENDICES 222829
APPENDICES
ID 92-1 : Drilling Blowout Prevention Requirements Modifications
Digitized by the Internet Archive
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How to Use This Guide
A New Approach to Surface Casing
The Alberta Energy and Utilities Board (EUB) is terminate no more than 15 metres below the first
placing greater responsibility on the oil and gas indus- hydrocarbon formation encountered
try to b e accountable for surface casing. In this guide,
• Elimtiorn acatsiinog n of EUB approval for waiver of conduc-
the term "licensee" refers to the legal entity or its agent
holding a valid EUB licence for the well.
• Reduction in the flare-line length for wells drilled to
Key Regulatory Changes introduced in 1997 the base of the Second White Specks
• Elimination of EUB approvals for surface casing
• Option of running either a pit volume totalizer
setting depth and reductions
system (PVT) or a leak-off test for a surface casing
• Introduction of EUB audit of surface casing setting type-2 reduction
depth
• Elimination of pre-approval of the surface casing
waivers prior to submitting well licence application
• Elimination of setting the minimum surface casing
at 10% of true vertical depth where the well will
• Incorporation of surface waivers into Guide 56:
Energy Development Application, Schedule 4.
HOW TO USE THIS GUIDE 1
No
A
Run required
surface casing
End
1 i
SURFACE CASING PROCESS
HOW TO USE THIS GUIDE 2