2010 Integrated Media Guide - Hart's E&P

Map Legend
Productive Shale Gas
Prospective Shale Gas
BLUE
TEXT Basin Name
RED
TEXT Shale Name
HORN RIVER BASIN
Muskwa
Technical Issues in Shale Gas Development
FRACTURING
Shale gas will not produce without fracturing.
Initial fracturing is often followed by
re-fracturing. Best-practice well planning
now includes provision for multiple fractures
of horizontally drilled shale gas wells. The
trend in shale gas fracturing has been
towards less expensive, slick water fracturing
with lighter proppants. Care must be
taken, especially in the Barnett Shale, to
avoid fracture propagation into water-bearing
formations.
Fig. 2. Helmerich & Payne FlexRig 4 has a hydraulic-ram-type
skidding system with two sets of cylinders, two reversible claws,
a hydraulic control console and a 2-by-11 well pattern.
(Image courtesy of Helmerich & Payne)
Fig. 1. – Rigging up for a frac job in the Fayetteville Shale for Southwestern
Energy subsidiary Seeco. At top is one of 22 ponds that Seeco has constructed
in the Fayetteville play as sources of frac water.
WELL SPACING AND DRILLING FOOTPRINT
Well spacing has consistently diminished in shale gas wells. Spacing of 10 acres or less is not
uncommon. Well density is, therefore, quite high. In addition, shale gas occurs often in urban areas,
particularly in the Barnett Shale where wells are regularly drilled in dense urban areas around Ft.
Worth, Dallas and their suburbs. This further strengthens
the need for a small drilling and production pad
footprint. The solution has been the development of a
new generation of skid land rigs that allow more than
20 horizontal wells to be drilled from one drilling pad.
The skidding flexibility allows rigs such as the
Helmerich & Payne FlexRig 4, pictured here, to skid
over any one of 22 well locations with a spacing
between wells of 10 ft or less. Closely spaced and parallel
horizontal wells drilled from these very small pads
allow close concentration of bottomhole locations.
SAN JOAQUIN
BASIN
SANTA MARIA
BASIN
Baxter
Mancos
UINTA
BASIN
PARADOX
BASIN
Hovenweep
WILLISTON BASIN
BIG
HORN BASIN
Mowry
PICEANCE
BASIN
Pierre
SAN JUAN
BASIN
DENVER–JULESBURG
BASIN
DELAWARE BASIN
Bend
Pearsall
MAVERICK
BASIN
FORT WORTH
BASIN
Barnett
ARKOMA/ARDMORE BASIN
ILLINOIS
BASIN
Chattanooga
BLACK WARRIOR
BASIN
Floyd/Conasauga/Neal
Q. WHAT IS SHALE GAS
A. Shale gas is natural gas stored in, and produced from shale formations.
Q. HOW WIDE-SPREAD ARE GAS SHALES
A. Gas shales occur widely over the United States and Canada.
Q. HOW BIG IS THE RESOURCE
A. Shale gas is a relatively new gas play. Not all prospective areas have
been assessed fully. Current estimates put the North American shale
gas resource at 1,200 trillion cubic feet total gas in place.
Q. WHAT CHARACTERISTICS DOES GAS-BEARING SHALE HAVE
A. As a gas resource, its most critical characteristics are its very low porosity,
and extremely low permeability. It requires special completions and fracturing
techniques to bring its production to economic levels.
Q. HOW MUCH OF THE NORTH AMERICAN GAS SUPPLY
MIGHT SHALE GAS EVENTUALLY PRODUCE
A. Current estimates indicate that shale gas, when fully developed, may
account for 10% or more of North American gas production.
Q. HOW MANY SHALE GAS WELLS ARE THERE IN NORTH AMERICA
A. There are approximately 40,000 shale gas wells in North America
MICHIGAN
BASIN
Huron
Marcellus
UTICA
APPALACHIAN BASIN
WINDSOR BASIN
Antrim Shale
Source: Unconventional Gas — What’s in Play, IHS, Steve Trammel, presented at the third annual
Hart Energy Developing Unconventional Gas Conference, Fort Worth, 2008.
Horton Bluff
Barnett Shale
Participants in shale plays
Large, Mid and
Estimated Net
Shale : Basin
Small Cap
Acreage in
Barnett/ Barnett/
Gas Shale Plays Barnett: Fayetteville: Woodford: Bakken: Marcellus: Huron: Woodford: Woodford:
Company
Ticker (thousands) Fort Worth Arkoma Arkoma Williston Appalachia Appalachia Delaware Marfa
Abraxas ABP 65 ■
American Oil & Gas AEZ 90 ■
Anadarko Petroleum APC 400 ■ ■ ■ ■ ■
Floyd:
Black Warrior
New Albany: Haynesville: Muskwa:
Illinois East Texas Horn River
Apache Corp. APA NA ■
Bankers Petroleum BNK CN 125 ■ ■
Brigham Exploration BEXP 250 ■ ■
Cabot Oil & Gas COG NA ■ ■
Carrizo Oil & Gas CRZO 330 ■ ■ ■ ■ ■ ■
Chesapeake CHK 2,000 ■ ■ ■ ■ ■ ■ ■ ■
Clayton Williams CWEI NA ■
CNX Gas CXG 786 ■ ■ ■
ConocoPhillips COP 500 ■ ■ ■
Contango Oil & Gas MCF NA ■
Continental Resources CLR 370 ■ ■ ■
Cubic Energy QBIK.OB NA ■
Denbury Resources DNR NA ■ ■
Devon Energy DVN 1,250 ■ ■ ■ ■
Dominion D NA ■ ■
Edge Petroleum EPEX 43 ■
El Paso EP NA ■ ■
EnCana ECA 1,200 ■ ■ ■ ■ ■
Energen Corp. EGN 220 ■
EOG Resources EOG 1,500 ■ ■ ■ ■ ■ ■ ■ ■
Equitable Resources EQT NA ■ ■
EXCO Resources XCO 200 ■ ■ ■
ExxonMobil XOM NA ■ ■ ■
Forest Oil FST 150 ■ ■ ■ ■
Goodrich Petroleum GDP NA ■
Infinity IFNY 65 ■
Marathon Oil MRO 300 ■ ■
Meridian Resource Corp. TMR NA ■
Murphy Oil MUR NA ■
Newfield Exploration NFX 215 ■ ■
Nexen Inc. NXY NA ■
Noble Energy NBL 350 ■ ■ ■ ■
Northern Oil & Gas NOGS 8.0 ■
Parallel Petroleum PLLL 10 ■
Penn Viginia PVA 200 ■ ■ ■ ■ ■ ■
Petrohawk Energy HK 175 ■ ■
Petroquest PQ 45 ■ ■
Pioneer Natural Res. PXD NA ■ ■
Plains Exploration PXP NA ■ ■
Questar Corp. STR NA ■
Quicksilver KWK 1,500 ■ ■ ■ ■
Range Resources RRC 1,000 ■ ■ ■ ■ ■
Shell RDS-B 200 ■ ■
Southwestern SWN 1,500 ■ ■ ■
St. Mary Land SM 40 ■ ■
Storm Cat SCU 20 ■
Talisman TLM NA ■ ■
Teton Energy TEC NA ■
TXCO Resources TXCO 250 ■
Westside Energy WHT 20 ■
Whiting Petroleum WLL 150 ■
Williams Co WMB 110 ■ ■
XTO Energy XTO 750 ■ ■ ■ ■
E&P MLPs
Atlas Energy ATN 530 ■
Breitburn Energy BBEP 530 ■
Encore Energy ENP NA ■ ■
Linn Energy LINE NA ■ ■
Source: John White, Natixis Bleichroeder Inc., Shale Plays Soar, An Investor’s Guide to Unconventional Gas: Shales and Coalbed Methane, Oil & Gas Investor, January 2008. Revised by Hart Energy Publishing, May 2008.
This map is based on the best available information regarding location and extent of shale gas plays in North America.
Hart Energy Publishing does not warrant this information as being a definitive map of shale gas plays in North America. This map is
not to be used for exploration, investment, navigation, or other purposes where precise geographic coordinates are required.
2008 Shale Gas Resources
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