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10-Q - FORM 10-Q - Atlas Resources Series 28-2010 L.P.d431585d10q.htm
XML - IDEA: XBRL DOCUMENT - Atlas Resources Series 28-2010 L.P.R9.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
EXCEL - IDEA: XBRL DOCUMENT - Atlas Resources Series 28-2010 L.P.Financial_Report.xls
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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 (Gross Fair Values of Receivable and Payable Affiliate Balances) (Details) (USD $)
Sep. 30, 2012
Dec. 31, 2011
Derivative [Line Items]    
Affiliate Balances, Offsetting Derivative Assets, Gross Amounts Of Recognized Assets $ 3,850,300 $ 7,262,400
Affiliate Balances, Offsetting Derivative Assets, Gross Amounts Offset In The Balance Sheets (723,600)  
Affiliate Balances, Offsetting Derivative Assets, Net Amount Of Assets Presented In The Balance Sheets 3,126,700 7,262,400
Affiliate Balances, Offsetting Derivative Liabilities, Gross Amounts Of Recognized Liabilities (1,101,000)   
Affiliate Balances, Offsetting Derivative Liabilities, Gross Amounts Offset In The Balance Sheets 723,600   
Affiliate Balances, Offsetting Derivative Liabilities, Net Amount Of Liabilities Presented In The Balance Sheets (377,400)   
Accounts Receivable Monetized Gains Affiliate [Member]
   
Derivative [Line Items]    
Affiliate Balances, Offsetting Derivative Assets, Gross Amounts Of Recognized Assets 2,853,900 4,394,800
Affiliate Balances, Offsetting Derivative Assets, Gross Amounts Offset In The Balance Sheets (159,300)  
Affiliate Balances, Offsetting Derivative Assets, Net Amount Of Assets Presented In The Balance Sheets 2,694,600 4,394,800
Long Term Accounts Receivable Monetized Gains Affiliate [Member]
   
Derivative [Line Items]    
Affiliate Balances, Offsetting Derivative Assets, Gross Amounts Of Recognized Assets 979,500 2,867,600
Affiliate Balances, Offsetting Derivative Assets, Gross Amounts Offset In The Balance Sheets (547,400)  
Affiliate Balances, Offsetting Derivative Assets, Net Amount Of Assets Presented In The Balance Sheets 432,100 2,867,600
Put Premiums Payable Affiliate [Member]
   
Derivative [Line Items]    
Affiliate Balances, Offsetting Derivative Liabilities, Gross Amounts Of Recognized Liabilities (159,300)   
Affiliate Balances, Offsetting Derivative Liabilities, Gross Amounts Offset In The Balance Sheets 159,300   
Affiliate Balances, Offsetting Derivative Liabilities, Net Amount Of Liabilities Presented In The Balance Sheets      
Long Term Put Premiums Payable Affiliate [Member]
   
Derivative [Line Items]    
Affiliate Balances, Offsetting Derivative Liabilities, Gross Amounts Of Recognized Liabilities (547,400)   
Affiliate Balances, Offsetting Derivative Liabilities, Gross Amounts Offset In The Balance Sheets 547,400   
Affiliate Balances, Offsetting Derivative Liabilities, Net Amount Of Liabilities Presented In The Balance Sheets