Derivative Instruments (Tables)

6 Months Ended

Jun. 30, 2016

Derivative Instruments And Hedging Activities Disclosure [Abstract]

Summary of Commodity Derivative Activity and Presentation in Condensed Statements of Operations

The following table summarizes the commodity derivative activity and presentation in the condensed statements of operations for the periods indicated:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2016		2015		2016		2015
Gains reclassified from accumulated other comprehensive income into natural gas and oil revenues	$	(700)	$	4,800	$	(1,300)	$	10,100
(Loss) gain subsequent to hedge accounting recognized in gain on mark-to-market derivatives	$	(7,800)	$	(5,500)	$	(1,100)	$	400

Commodity Derivatives

At June 30, 2016, the Partnership had the following commodity derivatives:

Natural Gas Put Options

Production Period Ending December 31,	Volumes(3)		Average Fixed Price		Fair Value Asset (2)
	(MMBtu) (1)		(per MMBtu) (1)
2016		12,800		$4.15	$	14,500

(1) “MMBtu” represents million British Thermal Units.

(2) Fair value based on forward NYMEX natural gas prices, as applicable.

(3) The production volume for 2016 include the remaining six months of 2016 beginning July 1, 2016.