Maps: Oil and Gas Exploration, Resources, and Production
Summary Maps
   Shale gas and oil plays, Lower 48 States (6/30/2016) PDF  JPG 
   Shale gas and oil plays, North America (5/9/2011) PDF  JPG 
   Gas production in conventional fields, Lower 48 States  (4/8/2009) PDF  JPG 
   Gas production in offshore fields, Lower 48 States  (4/8/2009) PDF  JPG 
   Major tight gas plays, Lower 48 States  (6/6/2010) PDF  JPG 
   Coalbed methane fields, Lower 48 States (4/8/2009) PDF  JPG 
U.S. shale oil and natural gas maps
The following maps show the drilling history and oil and gas production of selected low-permeability, continuous-type shale reservoirs. Selected geologic characteristics pertinent to occurrence of producible oil and gas resources are also shown when available.
U.S. and lower 48 states
  • Lower 48 states shale plays (4/13/2015)  PDF
Map data
  • Low permeability oil and gas play boundaries in Lower 48 States (3/11/2016)  Shapefile
  • Sedimentary basin boundaries in Lower 48 States (3/11/2016)  Shapefile
Anadarko Basin, Oklahoma and Texas
  • Granite Wash Play (11/9/2010)  PDF
  • Woodford Shale Play (6/1/2011)  PDF
Ardmore Basin, Oklahoma and Texas
  • Woodford Shale Play (6/1/2011)  PDF
Arkoma Basin
  • Fayetteville Shale, Arkansas (6/1/2011)  PDF  PDF(letter-size)
  • Woodford Shale Play, Oklahoma (6/1/2011)  PDF
Appalachian Basin
  • Marcellus Play Report: geology review and map updates (2/10/2017)  PDF
  • Marcellus Play updates (2/8/2015)  PDF
  • related article — Updated geologic maps provide greater detail for Marcellus formation, Today in Energy, 4/1/15
  • Marcellus production through April 2017 and thermal maturity (4/20/2017)  PDF  JPG
  • Marcellus Shale Play, Appalachian Basin (6/1/2011)  PDF
  • Marcellus and Utica/Point-Pleasant wells through April 2017 (4/18/2017)  PDF  JPG
  • Utica Play Report: geology review and map updates (4/7/2017)  PDF
  • Major structure map and tectonic features in the region of the Utica play (4/19/2016)  PDF  JPG
  • Structure map of the Utica formation (4/19/2016)  PDF  JPG
  • Structure map of the Point Pleasant formation (4/19/2016)  PDF  JPG
  • Thickness map of the Utica formation (4/19/2016)  PDF  JPG
  • Thickness map of the Point Pleasant formation (4/19/2016)  PDF  JPG
  • Thickness map of the combined Utica - Point Pleasant interval (4/19/2016)  PDF  JPG
  • Initial gas-to-oil ratios (GORs) of Utica and Point Pleasant wells through June 2016 and thermal maturity (9/21/2016)  PDF  JPG
  • Depth to the top of the Utica formation in feet and thermal maturity (9/21/2016)  PDF  JPG
  • Utica and Point Pleasant production through April 2017 and thermal maturity (4/20/2017) PDF  JPG
  • Utica and Point Pleasant production through December 2012 (9/21/2016) PDF  JPG
  • Utica and Point Pleasant production through June 2016 (9/21/2016) PDF  JPG
Map data
  • Marcellus play boundaries, structure and isopachs (3/11/2016)  Shapefile
  • Utica play: play boundaries, structure and Isopach for Utica and Point Pleasant formations (5/6/2016)  Shapefile
  • Utica play: Major structural and tectonic features (5/9/2016)  Shapefile
Ft. Worth Basin, Texas
  • Barnett Shale (6/1/2011)  PDF  PDF(letter-size)
  • History animation: Barnett Shale Drilling, 1981-2010 (6/1/2011)  ZIP
Permian Basin
  • Permian Basin: Wolfcamp Play Report geology review and map updates (12/3/2018)  PDF
  • Major structural and tectonic features of the Permian Basin (12/21/2017)  PDF  JPG
Map data
  • Abo-Yeso, Bone Spring, Delaware, Glorieta-Yeso, and Spraberry play boundaries (3/11/2016)  Shapefile
  • Permian Basin: boundary, structure and tectonic features (12/21/2017)  Shapefile
    Wolfcamp formation
  • Structure map of the Wolfcamp formation (12/21/2017)  PDF  JPG
  • Thickness map of the Wolfcamp formation (12/21/2017)  PDF  JPG
  • Wolfcamp production January 2015 through July 2018 (8/7/2018)  PDF  JPG
  • Wolfcamp production January 2005 through December 2014 (8/7/2018)  PDF  JPG
  • Wolfcamp production January 2005 through December 2010 (8/7/2018)  PDF  JPG
Map data
  • Permian Basin: Wolfcamp formation elevation and isopachs (12/21/2017)  Shapefile
  • Permian Basin, Delaware Sub-Basin: Wolfcamp play boundary (9/4/2018)  Shapefile
    Bone Spring formation benches
  • Structure map of the Avalon Bone Spring formation, Delaware Basin (3/4/2019)  PDF  JPG
  • Thickness map of the Avalon Bone Spring formation, Delaware Basin (3/4/2019)  PDF  JPG
  • Structure map of the First Bone Spring formation, Delaware Basin (3/4/2019)  PDF  JPG
  • Thickness map of the First Bone Spring formation, Delaware Basin (3/4/2019)  PDF  JPG
  • Structure map of the Second Bone Spring formation, Delaware Basin (3/4/2019)  PDF  JPG
  • Thickness map of the Second Bone Spring formation, Delaware Basin (3/4/2019)  PDF  JPG
  • Structure map of the Third Bone Spring formation, Delaware Basin (3/4/2019)  PDF  JPG
  • Thickness map of the Third Bone Spring formation, Delaware Basin (3/4/2019)  PDF  JPG
    Wolfcamp formation benches
  • Structure map of the Wolfcamp A formation, Delaware Basin (8/24/2018)  PDF  JPG
  • Thickness map of the Wolfcamp A formation, Delaware Basin (8/24/2018)  PDF  JPG
  • Structure map of the Wolfcamp B formation, Delaware Basin (11/26/2018)  PDF  JPG
  • Thickness map of the Wolfcamp B formation, Delaware Basin (11/26/2018)  PDF  JPG
Map data
  • Wolfcamp A formation structure and isopachs, Delaware Basin (9/4/2018)  Shapefile
  • Wolfcamp B formation structure and isopachs, Delaware Basin (11/29/2018)  Shapefile
Rocky Mountain Sedimentary System (Basins: Denver, Greater Green River, Park, Powder River)

Map data
  • Niobrara play boundaries, structure and isopachs (3/11/2016)  Shapefile
Texas-Louisiana Salt Basin
  • Haynesville-Bossier Shale Play (6/1/2011)  PDF
Western Gulf Basin, South Texas
  • Eagle Ford Play Report: geology review and map updates (12/29/2014)  PDF
  • Eagle Ford Shale Play (12/29/2014)  PDF
  • History animation: Eagle Ford shale production, 2006-2010 (9/30/2011)  ZIP
Map data
  • Eagle Ford play boundaries, structure and isopachs (3/11/2016)  Shapefile
Williston Basin
  • Bakken Shale Play, North Dakota, Montana, Saskatchewan & Manitoba (3/20/2011)  PDF
  • History animation: Bakken shale production, 1985-2010 (9/30/2011)  ZIP
Map data
  • Bakken and Three Forks play boundaries, structure and isopachs (3/11/2016)  Shapefile
U.S. coalbed methane maps
  • Panel 1: Coalbed methane status map (large format 60"x36") (July 2007)  PDF
  • Panel 2: Coalbed Methane Past, Present, and Future (large format, 36" x 24") (Nov. 2007)  PDF
Map data
  • field boundaries (2007), resources (2006), reserves and production (2006), and top 100 methane emitting coal mines (2005)  Shapefile

U.S. oil and gas field maps
The following national map portrays the location of fields identified as being among the 100 largest oil and/or 100 largest gas fields in the U.S. on December 31, 2009.
The 100 Volumetrically Largest U.S. Oil and Gas Fields (12/7/2010)
The following letter size maps portray the same information by product.
Top 100 U.S. Oil Fields By 2009 Proved Reserves (12/7/2010)
Top 100 U.S. Gas Fields By 2009 Proved Reserves (12/7/2010)

Detailed oil and gas field maps
The detailed field maps linked below portray the locations, boundaries, names, and either the barrel-of-oil equivalent (BOE) or the liquid hydrocarbon (crude oil plus lease condensate) or the natural gas reserve size classes of the known oil and gas fields in selected geologically defined areas of the U.S. at year-end 2001. Multiple map sheets were required to adequately portray the fields of some areas. Use this Index of Detailed Field Maps to identify which of the subsequently listed oil and gas field maps you might be interested in viewing. Pursuant to Section 604 of the Energy Policy and Conservation Act, these maps are one product of a joint Department of the Interior, Department of Energy, and Department of Agriculture study of access to oil and gas resources located on Federal onshore lands. The maps conform to that ongoing study's temporal, areal, and technical requirements.

Note that most of the maps are large format (60 inches X 36 inches, for example) and are intended for printing on a wide-bed printer. To clearly view them on your monitor you will have to zoom in and then scroll through the map.
AreaBOELiquidsGas
Appalachian Basin:
       Western New York button graphic button graphic button graphic
       Northern Ohio, Southwestern New York, and
       Western Pennsylvania
button graphic button graphic button graphic
       Eastern Pennsylvania button graphic button graphic button graphic
       Southern Ohio, Southwestern Pennsylvania, and
       Northwestern West Virginia
button graphic button graphic button graphic
       Eastern West Virginia and Western Maryland button graphic button graphic button graphic
       Southern West Virginia and Southwestern Virginia button graphic button graphic button graphic
       Kentucky and Tennessee button graphic button graphic button graphic
Black Warrior Basin button graphic button graphic button graphic
South Florida Peninsula button graphic button graphic button graphic
Alaska's Cook Inlet button graphic button graphic button graphic
Alaskan North Slope button graphic button graphic button graphic
National Petroleum Reserve-Alaska and Arctic National Wildlife Refuge 1002 Area button graphic button graphic button graphic
Eastern Oregon and Washington button graphic button graphic button graphic
Ventura Basin:
       East Part button graphic button graphic button graphic
       West and Central Parts button graphic button graphic button graphic
Montana Thrust Belt button graphic button graphic button graphic
Williston Basin:
       Northeast Part button graphic button graphic button graphic
       Northwest Part button graphic button graphic button graphic
       South Part button graphic button graphic button graphic
Wyoming Thrust Belt button graphic button graphic button graphic
Eastern Great Basin button graphic button graphic button graphic
Powder River Basin:
       Northern Part button graphic button graphic button graphic
       Southern Part button graphic button graphic button graphic
Greater Green River Basin button graphic button graphic button graphic
Uinta-Piceance Basin button graphic button graphic button graphic
Paradox-San Juan Basin:
       Northwest Part button graphic button graphic button graphic
       Southeast Part button graphic button graphic button graphic
Denver Basin:
       Northern Part button graphic button graphic button graphic
       Middle Part button graphic button graphic button graphic
       South Part button graphic button graphic button graphic

Shapefiles for Detailed Oil and Gas Field Maps
Powder River, Greater Green River, Uinta-Piceance, and Paradox-San Juan Basins plus Shapefile for the Montana Thrust Belt
Appalachian Basin
Black Warrior Basin, Denver Basin, Wyoming Thrust Belt, National Petroleum Reserve-Alaska plus the Arctic National Wildlife Refuge 1002 Area, and the South Florida Peninsula
Eastern Great Basin, Eastern Oregon and Washington, Alaskan North Slope, Alaska's Cook Inlet, Ventura Basin, and Williston Basin

EIA's oil and gas field Boundary Generation Scripts
The following Word® (.doc) files provide and describe three script codes conceived, developed, and implemented by EIA to (a) automatically and efficiently generate geologically reasonable oil and gas field boundaries from well data, and then (b) calculate the percentage of Federal land within the each field's boundary. The scripts are coded in Visual Basic® for use in conjunction with ArcGIS® software.
       Well Buffering Script
       Field Outline Smoothing Script  |  Tool (6/1/2011 for ArcGIS 10.0)
       Federal Land Percentage Calculation Script
Application of the decision procedure specified in the Federal Geographic Data Committee's Guidelines for Providing Appropriate Access to Geospatial Data in Response to Security Concerns to the geospatial data provided via this web page resulted in a finding that safeguarding of these data is unwarranted.
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