Planning Horizontal Directional Drilling for Pipeline Construction

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The Canadian Association of Petroleum Producers represents 150 companies that explore for, develop and produce natural gas, natural gas liquids, crude oil, oil sands, and elemental sulphur throughout Canada. CAPP member companies produce approximately 98 per cent of Canada's natural gas and crude oil. CAPP also has 125 associate members who provide a wide range of services that support the upstream crude oil and natural gas industry. Together, these members and associate members are an important part of a $75-billion-a-year national industry that affects the livelihoods of more than half a million Canadians. 2100, 350 – 7 th Ave. S.W. Calgary, Alberta Canada T2P 3N9 Tel (403) 267-1100 Fax (403) 261-4622 Disclaimer This publication was prepared for the Canadian Association of Petroleum Producers (CAPP) by Entec Consulting Limited (Entec), TERA Environmental Consultants (TERA), Canadian Horizontal Drilling Ltd. (CHD) and Geo- Engineering (M.S.T.) Ltd. (Geo-Engineering). Applied Aquatic Research Ltd. (AAR) provided input on water crossings issues and assisted with the review of the document. While it is believed that the information contained herein is reliable under the conditions and subject to the limitations set out, CAPP and Entec, TERA, CHD, Geo-Engineering and AAR do not guarantee its accuracy. The use of this report or any information contained will be at the user’s sole risk, regardless of any fault or negligence of Entec, TERA, CHD, Geo-Engineering, AAR, and CAPP or its co-funders. 905, 235 Water Street St. John’s, Newfoundland Canada A1C 1B6 Tel (709) 724-4200 Fax (709) 724-4225 Email: communication@capp.ca Website: www.capp.ca Review by June 2009
OVERVIEW Horizontal Directionally Drilling (HDD) has proven itself over the last few years to be a very effective technique for the installation of pipelines and other utilities in sensitive or congested areas. This document provides best practices and recommended procedures for the investigation, planning and execution of an HDD installation for pipeline construction. It provides guidance on the regulatory, environmental, geotechnical, risk, economics, engineering, contractual and construction considerations that must be evaluated prior to any final decisions to proceed with an HDD installation. The purpose of this document is to assist pipeline companies, contractors and regulators in planning, evaluating and constructing HDD crossings. The document has been written to primarily address the installation of oil and gas pipelines in Canada, although concepts and practices contained within are applicable to many industries and jurisdictions. All pipelines in Canada, including HDD projects, must comply with the requirements of CSA Z662, which is referenced by federal and provincial pipeline regulators. CSA Z662 contains requirements for the design, material selection (including coating selection), construction and operation of pipelines that would apply to HDD projects. A glossary of technical terms used in this document is provided in Appendix A.
Page 1: GUIDELINE Planning Horizontal Direc
Page 5 and 6: 6.1.2 Clays and Shales ............
Page 7 and 8: E.4 Drill Continuance Plan.........
Page 9 and 10: 1 INTRODUCTION Horizontal direction
Page 11 and 12: Figure 1 Watercourse Crossing - Hor
Page 13 and 14: An internal inspection of the pipe
Page 15 and 16: 2 REGULATORY AND INFORMATION REQUIR
Page 17 and 18: • the bed, if disturbed, must be
Page 19 and 20: 3 SELECTION OF HDD AS THE PREFERRED
Page 21 and 22: Sediment and erosion control protec
Page 23 and 24: 4 RISK CONSIDERATIONS As with all c
Page 25 and 26: Potential HDD Difficulty Constructi
Page 27 and 28: 5.3 Direct Costs and Benefits of HD
Page 29 and 30: during directional drilling. Conver
Page 31 and 32: to be provided to prospective HDD c
Page 33 and 34: complement to, bore hole investigat
Page 35 and 36: exit area for pipe stringing, weldi
Page 37 and 38: • interruption of fish movements
Page 39 and 40: 8 ENGINEERING DESIGN CONSIDERATIONS
Page 41 and 42: • landowner consultation during t
Page 43 and 44: Conventional two-layer extruded pol
Page 45 and 46: 9 CONTRACTUAL CONSIDERATIONS 9.1 Ty
Page 47 and 48: 9.2.5 Equipment The bid documents s
Page 49 and 50: • inability to prevent excessive
Page 51 and 52: 10 CONSTRUCTION CONSIDERATIONS 10.1
Page 53 and 54:
• plugging and sealing capabiliti
Page 55 and 56:
the drill path should be aligned to
Page 57 and 58:
10.3.4 Clean-up and Remediation An
Page 59 and 60:
Equipment Use Frac tanks • for ab
Page 61 and 62:
Directional Crossing Contractors As
Page 63 and 64:
APPENDICES September 2004 Planning
Page 65 and 66:
Appendix A - Glossary annular press
Page 67 and 68:
adius of curvature the bend radius
Page 69 and 70:
Appendix B - Primary Regulatory and
Page 71 and 72:
Jurisdiction Agency Purpose Northwe
Page 73 and 74:
Appendix C Example Drilling Executi
Page 75 and 76:
d) disposal plan composed of: i) an
Page 77 and 78:
Appendix D - HDD Related Conversion
Page 79 and 80:
Appendix E - Example (Alberta) - Pi
Page 81 and 82:
4. The drilling mud must be cleaned
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