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10-Q - FORM 10-Q - Atlas Resources Series 28-2010 L.P.d431585d10q.htm
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EX-31.1 - CERTIFICATION PURSUANT TO RULE 13A-14/15(D)-14 - Atlas Resources Series 28-2010 L.P.d431585dex311.htm
EX-32.2 - SECTION 1350 CERTIFICATION - Atlas Resources Series 28-2010 L.P.d431585dex322.htm
EX-32.1 - SECTION 1350 CERTIFICATION - Atlas Resources Series 28-2010 L.P.d431585dex321.htm
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EX-31.2 - CERTIFICATION PURSUANT TO RULE 13A-14/15(D)-14 - Atlas Resources Series 28-2010 L.P.d431585dex312.htm
v2.4.0.6
Derivative Instruments (Commodity Derivatives) (Details) (USD $)
9 Months Ended
Sep. 30, 2012
MMBTU
USDPerMmbtu
Derivative [Line Items]  
Total Net Asset $ 27,300 [1]
Natural Gas Put Option [Member]
 
Derivative [Line Items]  
Fair Value Asset 404,700 [1]
Natural Gas Fixed Price Swaps [Member]
 
Derivative [Line Items]  
Fair Value Liability (377,400) [1]
Production Period Ending December 31, 2012 [Member] | Natural Gas Put Option [Member]
 
Derivative [Line Items]  
Volumes (mmbtu) 117,100 [2]
Average Strike (per mmbtu) 2.80 [2]
Fair Value Asset 1,200 [1]
Production Period Ending December 31, 2012 [Member] | Natural Gas Fixed Price Swaps [Member]
 
Derivative [Line Items]  
Volumes (mmbtu)    [2]
Average Fixed Price (per mmbtu)    [2]
Fair Value Liability    [1]
Production Period Ending December 31, 2013 [Member] | Natural Gas Put Option [Member]
 
Derivative [Line Items]  
Volumes (mmbtu) 351,200 [2]
Average Strike (per mmbtu) 3.45 [2]
Fair Value Asset 73,300 [1]
Production Period Ending December 31, 2013 [Member] | Natural Gas Fixed Price Swaps [Member]
 
Derivative [Line Items]  
Volumes (mmbtu) 950,400 [2]
Average Fixed Price (per mmbtu) 3.659 [2]
Fair Value Liability (175,300) [1]
Production Period Ending December 31, 2014 [Member] | Natural Gas Put Option [Member]
 
Derivative [Line Items]  
Volumes (mmbtu) 292,700 [2]
Average Strike (per mmbtu) 3.80 [2]
Fair Value Asset 101,000 [1]
Production Period Ending December 31, 2014 [Member] | Natural Gas Fixed Price Swaps [Member]
 
Derivative [Line Items]  
Volumes (mmbtu) 691,200 [2]
Average Fixed Price (per mmbtu) 4.035 [2]
Fair Value Liability (99,900) [1]
Production Period Ending December 31, 2015 [Member] | Natural Gas Put Option [Member]
 
Derivative [Line Items]  
Volumes (mmbtu) 234,100 [2]
Average Strike (per mmbtu) 4.00 [2]
Fair Value Asset 103,100 [1]
Production Period Ending December 31, 2015 [Member] | Natural Gas Fixed Price Swaps [Member]
 
Derivative [Line Items]  
Volumes (mmbtu) 576,000 [2]
Average Fixed Price (per mmbtu) 4.224 [2]
Fair Value Liability (82,800) [1]
Production Period Ending December 31, 2016 [Member] | Natural Gas Put Option [Member]
 
Derivative [Line Items]  
Volumes (mmbtu) 234,100 [2]
Average Strike (per mmbtu) 4.15 [2]
Fair Value Asset 126,100 [1]
Production Period Ending December 31, 2016 [Member] | Natural Gas Fixed Price Swaps [Member]
 
Derivative [Line Items]  
Volumes (mmbtu) 229,700 [2]
Average Fixed Price (per mmbtu) 4.460 [2]
Fair Value Liability $ (19,400) [1]
[1] (2) Fair value based on forward NYMEX natural gas prices, as applicable.
[2] (1) "Mmbtu" represents million British Thermal Units