The API Number Standard: an Identifier for Petroleum Industry Wells in the USA
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The API Number “The PPDM Standard: Association is a not An Identifier for for profit society Petroleum Industry Wells in the USA that collaborates with industry to develop Professional Data Management standards for the Petroleum Industry.” The API Number Standard: An identifier for Petroleum Industry Wells in the USA Version: 2013 This Standard replaces: American Petroleum Institute Bulletin D12A, revised 1979 Abstract: This Standard defines an identifier for wells and wellbores in the petroleum industry of the USA. This Standard is compatible with previous versions of the D12A Number, with emphasis on the identification of every wellbore. Prepared by: PPDM Association Date published: May 31, 2013 Date of next review: May 31, 2018 Document type: Standard Keywords: standards, petroleum, well, wellbore, identifier, USA, API Number, API Well Number, D12A DISCLAIMER The Professional Petroleum Data Management (PPDM) Association makes no representation, warranty, or guarantee in connection with the contents of this publication and hereby expressly disclaims any liability or responsibility for loss or damage resulting from use or application hereunder or violation of federal, state, or local regulation with which the contents may conflict. EXECUTIVE SUMMARY This document defines and supports a standard for the identification of petroleum wells in the USA. This Standard is the official successor to Bulletin D12A of the American Petroleum Institute (API). In 2010, the API transferred custody of this Standard to the Professional Petroleum Data Management (PPDM) Association. The revised API Number is at least a 12-digit number assigned to every wellbore and is the successor to previous versions. It is a foundation for the management and exchange of all information from or about all petroleum wells in the USA. Comprehensive data management is essential for the regulation, operation, and evaluation of wells, and for mitigating safety and environmental risks. This Standard provides for the unique identification of every wellbore. The API Number specification provides continuity with the D12A Number while addressing numerous challenges that have evolved in the past three decades: well designs and data flows have become more complex, safety and environmental risks have increased where unidentified wellbores are present, and data exchange is difficult where identifiers are assigned inconsistently. The PPDM Association Copyright 2013, PPDM Association, All Rights Reserved. www.ppdm.org Page 2 of 27 WORK GROUP PARTICIPANTS Anadarko Petroleum Corporation Rick Prucha Houston, TX Baker Hughes Jonathan Watcharine Houston, TX Baker Hughes Lynette Wooley Houston, TX BP Jeremy Eade Houston, TX Chesapeake Energy Chevy Thomason Oklahoma City, OK Chesapeake Energy David Baker Oklahoma City, OK Chevron Ayodele Oni Houston, TX Chevron Stephen Barbee Houston, TX Bureau of Safety and Environmental Enforcement (BSEE) Katherine Ross New Orleans, LA Department of Environmental Conservation - New York Donald Drazan Albany, NY Drillinginfo Josef Joubert Austin, TX Drillinginfo Mark Robinson Austin, TX Devon Energy Corp. Lance Byrd Houston, TX IHS Bruce Smith Denver, CO Llano Systems & Data Management Mac McLaughlin Houston, TX Marathon Oil Corporation Shari Bourgeois Houston, TX Oklahoma Corporation Commission (OCC) Bob Griffith Oklahoma City, OK PPDM Association Jeffrey Bonus Calgary, AB PPDM Association Dave Fisher Calgary, AB TGS James Stolle Houston, TX REGULATOR REVIEW Standard has been shared with 16 states and 8 provided feedback. The feedback was positive towards the new standard. For a full list of states involved in the review please contact the PPDM Association www.ppdm.org. The PPDM Association Copyright 2013, PPDM Association, All Rights Reserved. www.ppdm.org Page 3 of 27 DEFINITIONS ...................................................................................................................................................................... 5 INTRODUCTION ................................................................................................................................................................ 6 Identifying Wells and Wellbores .............................................................................................................................. 6 The Importance of a Standard Identifier ............................................................................................................. 6 Purpose .......................................................................................................................................................................... 6 Design Considerations ............................................................................................................................................... 7 History ............................................................................................................................................................................. 7 The D12A Number in Current Use ........................................................................................................................... 8 PRINCIPLES ........................................................................................................................................................................ 8 THE API NUMBER: STRUCTURE AND USE ...................................................................................................................... 9 Structure ........................................................................................................................................................................ 9 Rules for API Number Construction ...................................................................................................................... 11 Extension Construction ............................................................................................................................................ 12 RECOMMENDED PROCEDURES ................................................................................................................................... 13 Assignment of the API Number ............................................................................................................................. 13 Historical Wells ........................................................................................................................................................... 13 Omissions ..................................................................................................................................................................... 14 Error Corrections ........................................................................................................................................................ 14 Identified Well Types ................................................................................................................................................ 14 Roles and Authorities ............................................................................................................................................... 15 CODES FOR STATES AND COUNTIES .......................................................................................................................... 16 State and Pseudo-State Codes ............................................................................................................................ 16 County and Pseudo-County Codes ................................................................................................................... 18 ILLUSTRATIONS OF API NUMBER ASSIGNMENT ....................................................................................................... 19 APPENDIX ........................................................................................................................................................................ 26 Comparison of Major Changes – Bulletin D12A 1979 vs. API Number Standard 2013 .......................... 26 References ................................................................................................................................................................. 27 The PPDM Association Copyright 2013, PPDM Association, All Rights Reserved. www.ppdm.org Page 4 of 27 DEFINITIONS The following definitions support the terminology used in this Standard. Where capitalized in this document, the term has the meaning as defined here. Standard The term “Standard” in this document means the specifications for the API Number. D12A Number The term used within this Standard to refer to the “API Well Number” identifier introduced in 1966 by the American Petroleum Institute and defined in Bulletin D12A. API Number The API Number is the identifier for wells and wellbores defined by this Standard. “API” is not an acronym; it has no implied meaning. The name does not refer to the American Petroleum Institute, but simply acknowledges the long-standing adoption by the petroleum industry of “API” or “API Number” in reference to the identifier. Well A Well is a proposed or actual drilled hole in the ground designed to exchange (or facilitate the exchange of) fluids between a subsurface reservoir and the surface (or another reservoir), or to enable the detection and measurement of rock properties. Well Origin A Well Origin is the location on the surface of the earth or sea bed where the drill bit is planned to or does penetrate the earth to establish or rework a Well. Total Depth The Total