The Api Well Number and Standard State and County Numeric Codes Including Offshore Waters
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0732290 ooos181 s i- )( -)5·-0 I BULL D12A-79 I illllll.. ll llHllltHUIIIHlltllllUIHIIIIIIIIIIIIIHllllllllllllllllllllllllllllllllllllllflllllllllllllllflllllllflllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll■ API BULLETIN D12A January 1979 (Revision of & supersedes April 1968 & December 1970 editions.) THE API WELL NUMBER AND STANDARD STATE AND COUNTY NUMERIC CODES INCLUDING OFFSHORE WATERS OF-FICIAL PUBLICATION REG, U.S. PATENT OFFICE AMERICAN PETROLEUM INSTITUTE Washington, D. C. Issued by AMERICAN PETROLEUM INSTITUTE Production Department 300 Corrigan Tower Dallas, Texas 75201 IUlltlllllllllllllllllllllllllllllllllllllltUIIIIIIIUIIIIIIIIIIIIIIUIIIIUUIIUIIIIIIUIIIIIIIIIIIIIIIIUIUUIIIIIIIIIIIIIIIIIIIIIIIUIIIIUIIIUIIIIUlllllllllfllflllllllllllllllllllllllflllllfllllllllllllllllllllllllllUI Copyright © 1979 by American Petroleum Institute BULL DLZA-79 PREFACE The API Well Number is a unique, permanent, numeric identifier assigned for identification purposes to a well (hole-in-the-ground) which is drilled for the purpose of finding or producing oil and/or gas or providing related services. To date, over one million wells in the United States have been assigned these identity numbers. API Well Numbers are usually available on "current wells" from the regu- latory state or federal agencies who assign the number. On "historic wells" the numbers can be obtained from service companies or cooperative groups who originally assigned the numbers to these wells. "Historic wells" are defined as those drilled prior to some specifically established date and "current wells" are those drilled subsequent to that date, Th'ese reference dates are provided in Section VI1 in the contact paragraph for each regulatory agency. The bulletin is organized in the following sections: Section I - The purpose, code structure, and use of the API Well Number; also, definitions for the various hole identifications. Section II - Diagrams that illustrate the proper methods of number assign- ment. Section III - Regulatory procedures for assignment of the numbers. Section IV - Origin of state and county numeric codes. Section V - Maps and descriptions of the states, pseudo-states, offshore state waters, and offshore federal waters, Section VI - State and pseudo-state numeric codes. Section VI1 - County and pseudo-county numeric codes for each state. Section VI11 - Pseudo-county numeric codes for offshore federal waters. Section IX - Codes for Mexico. Section X - General codes for undesignated waters. -I- 1/1/79 BULL D12A-79 10732290 0005383 9 i API WELL NUMBER AND STANDARD STATE AND COUNTY NUMERIC CODES INCLUDING OFFSHORE WATERS List of Maps UNITED STATES Map No. Page 1. United States--States and Offshore Pseudo-states 31 2. Offshore- Federal Waters--Pseudo-states 33 ALASKA 3. Alaska--Offshore Marine State Vaters 35 4. Alaska--Offshore Federal Waters--Detailed Map 36 5. Alaska--Offshore Federal Waters--Pseudo-counties 37 PACIFIC COAST 6. Oregon and Washington--Offshore Marine State Waters 39 7. California--Offshore Marine State Waters 41 8. Pacific Coast--Offshore Federal Waters 43 GULF OF MEXICO OFFSHORE STATE AND FEDERAI, WATERS 9. Texas--Offshore Area Designations 45 10. Louisiana--Offshore Area Designations 47 11. Northern Gulf of Mexico--Offshore Federal Waters 49 ATLANTIC COAST 12. Atlantic Coast--Offshore Federal Waters 51 CANADA 13. Canada--Provinces, Districts, and Offshore Areas 53 14. Mexico-Onshore States 55 15. Mexico-Offshore Pacific Coast 56 16. Mexico--Offshore Gulf of Mexico and Caribbean Sea 57 -1- 1/1/79 ~~ BULL DL2A-77 10732270 0005L84 O 1 THE API WELL NUMBER AND STANDARD STATE AND COUNTY NUMERIC CODES INCLUDING OFFSHORE WATERS Table of Contents i 1 4 4 5 5-10 5 7 8 SECTION II-ILLUSTRATIONS OF NUMBER ASSIGNMENT--------------------------- 10-16 Case 1: 11 Case 2: 11 Case 3: 12 Case 4: 12 Case 5: 13 Case 6: 13 Case 7: 14 Case 8: 15 Case 9: 15 Case 10: 16 SECTION III-REGULATORY ASSIGNMENT OF API WELL NUMBERS------------------- 17-23 18 19 19 19 20 21 22 22 22 22 22 23 23 -2- 1/1/79 I0732290 0005185 2 I -Page 24-28 24 24 25 25 27 29-57 1. United States--States and Offshore Pseudo-states------------------- 30-3 1 2. Offshore Federal Waters--Pseudo-states----------------------------- 32-33 3. Alaska--Offshore Marine State IJaters------------------------------- 34-35 4. Alaska--Offshore Federal Waters------------------------------------ 34-36 5. Alaska--Offshore Federal Waters--Pseudo-counties------------------- 34-37 6. Oregon and Washington--Offshore Marine State Waters---------------- 38-39 7. California--Offshore Marine State Waters--------------------------- 40-41 8. Pacific Coast--Offshore Federal Waters----------------------------- 42-43 9. Texas--Offshore Area Designations---------------------------------- 44-45 10. Louisiana--Offshore Area Designations------------------------------ 46-47 11. Northern Gulf of Mexico--Offshore Federal Waters------------------- 48-49 12. Atlantic Coast--Offshore Federal Waters---------------------------- 50-51 13. Canada--Provinces, Districts, and Offshore Areas------------------- 52-53 14. Mexico--Onshore States--------------------------------------------- 54-55 15. Mexico--Offshore Pacific Coast------------------------------------- 56 16. Mexico--Offshore Gulf of Mexico and Caribbean Sea------------------ 57 Standard Names and Numeric Codes--Federal Government--------------- 58 64-65 66-113 67-113 116-127 117 118-127 128-133 129 130-132 133 134-135 136 -3- 1/1/79 BULL DL2A-79 ~ ~~ THE API WELL NUMBER AND STANDARD STATE AND COUNTY NUMERIC ODES INCLUDING OFFSHORE WATERS Foreword This bulletin, compiled by the Subcommittee on Well Data Retrieval Sys- tems, is published under the jurisdiction of the API Executive Committee on Drilling and Production Practice. The original report of the Subcommittee on Well Data Retrieval Systems was adopted and published as Appendix A, API BULLETIN D12, April 1966, WELL DATA GLOSSARY. Appendix A was superseded by API BULLETIN D12A, April 1968, THE API WELL NUMBER AND STANDARD STATE AND OUNTY CODES. A revised edition of BULLETIN D12A was published December 1970, Supplement 1 published September 1974 extended the coding to cover the Northern Gulf of Mexico offshore. This new edition, January 1979, extends the coding to all North American offshore waters including those adjacent to Mexico. It also contains revisions in the text and therefore supersedes the foregoing editions and supplements The American Petroleum Institute 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 result- ing from use or application hereunder or for violation of federal, state, or local regulation with which the contents may conflict . Acknowledgment The API Subcommittee on Well Data Retrieval Systems was formed in 1962 to achieve as much compatibility as possible between cooperative well data sys- tems. A primary objective of the Subcommittee was to develop a standard method of nationwide identification of wells for use in computer well data systems. The Subcommittee acknowledges the numerous contributions from Co-workers, computer systems analysts, geologists, and engineers for their part in the final development of the ideas presented in this report. These individuals were involved because of their work with various industry cooperative computer well data systems and with their own proprietary data systems. Special appre- ciation is expressed to the Advisory Members from the federal government and from state regulatory agencies for their participation and advice. -4- 1/1/79 BULL -Dl2A-79 0732290 0005287 b I- Subcommittee Membership (1-1-79) C. F. Iglehart, Chairman Amoc0 Production Company Houston, TX R. H. Champagne Shell Oil Company Houston, TX J. B. Chase ARCO Oil and Gas Co. Dallas, TX P. E. Dubroc Texaco Inc. New Orleans, LA G. K. Ebanks Mobil E.& P. Services, Inc. Dallas, TX R. E. Johnson Chevron U.S.A. Inc. San Francisco, CA E. M. Sanders Chevron U.S.A. Inc. San Francisco, CA V. T. McGhee Phillips Petroleum Company Bartlesville, OK R. H. Talbert Exxon Company, U.S.A. Houston, TX Advisorv Members O. B. Collier Bureau of Land Management Washington, D.C. J. N. Parrish United States Geological Survey Washington, D. C. B. R. Harris Texas Railroad Commission Austin, TX H. W. Kugler Alaska Department of Natural Resources Anchorage, AK M. G. Mefford California Department of Conservation Sacramento, CA M. M. "hacker Petroleum Information Corp. Denver, CO SECTION I THE API \JELL NUMBER ITS PURPOSE, CODE STRUCTURE, AND USE Introduction The oil and gas industry is making large scale use of computers to handle data on wells in day-to-day operations. This is also true for many state and federal oil and gas regulatory agencies. Some states and some departments of the federal government accept much of their required regulatory data on either punched cards or magnetic tape from the oil and gas industry. Many service companies, data gathering agencies, and professional organizations are using computer systems to store and process well data. A need common to all of these organizations is a simple, consistent method for identifying all wells--an identity that will not change through time and an identity that will not change with various well operations. 1/1/79 -5- BULL D12A-79 -3 0732290 0005188 8 It is imperative that each well (i.e., hole-in-the-ground) be uniquely identified in order for computer-oriented data to be