FACTBOX- Major drillers active in PA's Marcellus Gas Shale

Thu Apr 21, 2011 7:58pm GMT

 NEW YORK, April 21 (Reuters) - Chesapeake Energy's (CHK.N: Quote)
well blowout in the Marcellus Shale formation in Bradford
County, Pennsylvania on Wednesday will heighten the controversy
over the use of hydraulic fracturing by natural gas drillers.
 The accident in northeastern Pennsylvania has stoked an
already fierce debate over a production method known as
fracking - which releases gas trapped in shale formations by
blasting a mix of water, sand and chemicals into the rock.
 Chesapeake is the largest permit holder for shale gas
concessions in Pennsylvania and among the top producers. Other
large players include Anadarko (APC.N: Quote), EOG Resources (EOG.N: Quote)
and Chevron-owned (CVX.N: Quote) Atlas Energy Inc. (Figures below)
 Proponents say extracting shale gas through fracking will
slash U.S. reliance on foreign oil and cut carbon emissions.
Naysayers suspect it will pollute water supplies and create
other environmental risks, especially if regulation is lax.
 President Barack Obama has made increasing natural gas use
a cornerstone of his energy policy, in part due to huge
reserves unlocked by fracking. Shale gas has risen from
negligible in 2004 to 23 percent of U.S. natural gas production
 The Marcellus Shale formation accounted for 271.5 billion
cubic of natural gas during the last six months of 2010 (1.5
bcf per day). Bradford County accounted for more than a fourth
of the the state's shale gas output.
In 2010, U.S. shale gas production reached 4.87 Tcf (23
percent of total U.S. natural gas production), compared with
0.39 Tcf in 2000.
 To see the a map of the Pennsylvania wells, click here:
 Breakingviews: A gift to green energy [ID:nN21197769]
  Take a Look: Future of shale gas      [ID:nN18229665]
  Reuters Insider: A Fracking Frack Up:
  Graphic on shale gas extraction :
 The following companies are most active in Marcellus Shale
in Pennsylvania*:
Company                         Permits    Wells  
ATLAS RESOURCES LLC             352        247    
TALISMAN ENERGY USA INC         589        130  
CHESAPEAKE APPALACHIA LLC      1229         87      
CABOT OIL & GAS CORP            243         80      
EAST RESOURCES MGMT LLC         149         36      
CNX GAS CO LLC                  162         35      
SNYDER BROS INC                  54         34      
EQT PROD CO                     222         33      
ENERGY CORP OF AMER              85         32      
EAST RESOURCES INC               49         28      
PHILLIPS EXPLORATION INC        114         26      
ULTRA RESOURCES INC             271         26      
ANADARKO E&P CO LP              253         24      
EOG RESOURCES INC               277         22      
SENECA RESOURCES CORP           175         20      
CONSOL GAS CO                    94         13      
EXCO RESOURCES PA INC           167         11      
XTO ENERGY INC                   84         11      
BLX INC                          20         10      
REX ENERGY OPERATING CORP        84         10      
SOUTHWESTERN ENERGY PROD CO      54          8      
DOMINION TRANS INC                2          7      
PA GEN ENERGY CO LLC            103          6      
MDS ENERGY LTD                   16          5      
CITRUS ENERGY CORP               23          4      
JW OPERATING CO                  12          4      
GUARDIAN EXPLORATION LLC          8          3      
NOVUS OPERATING LLC              20          3      
SM ENERGY CO                     16          3      
ANTERO RESOURCES APALACHIAN      10          2      
M & M ROYALTY LTD                 2          2      
RICE DRILLING B LLC              25          2      
SAMSON RES CO                    11          2      
VISTA OPR INC                     2          2      
WILLIAM MCINTIRE COAL OIL & GAS   5          2      
ALPHA SHALE RES LP                6          1      
ALTA OPR CO LLC                   2          1      
DL RESOURCES INC                  1          1      
FLATIRONS DEVELOPMENT LLC         2          1      
GREAT OAK ENERGY INC              2          1      
MARATHON OIL CO                   8          1      
MIEKA LLC                         1          1      
MTN V OIL & GAS INC               3          1      
PDC MOUNTAINEER LLC               2          1      
TANGLEWOOD EXPL LLC               8          1      
 *Source: Pennsylvania Department of Environmental Protection.
(Reporting by Edward McAllister, Janet McGurty, Joshua
Schneyer, and David Sheppard, Compiled by Janet McGurty;
Editing by David Gregorio)

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