Other Expense (Tables)

6 Months Ended

Jun. 30, 2011

Other Expense

Schedule Of Components Of Other Expense

	Three Months Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010
	(in thousands)
Transportation commitment charge (a)	$	5,688		$	—		$	10,960		$	—
Above market drilling rig related costs (b)		5,410			10,270			10,569			20,551
Other		1,909			2,617			4,193			3,170
Loss on extinguishment of debt		—			—			2,367			—
Contingency and environmental accrual adjustments		1,587			94			2,882			247
Cancelled well costs (recoveries)		(442	)		(126	)		759			(29	)
Inventory impairment (c)		302			13			587			1,570
Tax penalties		1,749			—			1,749			—
Bad debt recoveries		(1,815	)		(254	)		(1,797	)		(30	)
Well servicing operations (d)		—			1,579			—			4,660
Total other expense	$	14,388		$	14,193		$	32,269		$	30,139

(a) Primarily represents firm transportation contract deficiency payment obligations.

(b) Primarily represents charges for the portion of Pioneer's contracted drilling rig rates that are above market rates and are not charged to joint operations.

(c) Represents impairment charges on excess materials and supplies inventories.

(d) Represents idle well servicing costs.