FORM 10-K CONTANGO OIL & GAS COMPANY
FORM 10-K CONTANGO OIL & GAS COMPANY
FORM 10-K CONTANGO OIL & GAS COMPANY
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<strong>CONTANGO</strong> <strong>OIL</strong> & <strong>GAS</strong> <strong>COMPANY</strong> AND SUBSIDIARIES<br />
SUPPLEMENTAL <strong>OIL</strong> AND <strong>GAS</strong> DISCLOSURES (Unaudited)<br />
The Company’s net ownership interests in estimated quantities of proved natural gas and oil reserves and<br />
changes in net proved reserves as of June 30, 2009, 2008 and 2007, all of which are located in the continental United<br />
States, are summarized below:<br />
Oil and<br />
Natural<br />
Condensate NGLs Gas<br />
(MBbls) (MBbls) (MMcf)<br />
Proved Developed and Undeveloped Reserves as of:<br />
June 30, 2006…………………………………….…………………………… 11 - 3,364<br />
Sale of reserves…………………………………………………………… (2) - (414)<br />
Discoveries………………………………………………………………… 1,188 - 75,662<br />
Recoveries and revisions…………………………………………………… 6 - 1,732<br />
Production………………………………………………………………… (39) - (2,452)<br />
June 30, 2007…………………………………….…………………………… 1,164 - 77,892<br />
Sale of reserves…………………………………………………………… - (13,789)<br />
Discoveries………………………………………………………………… 2,200 3,186 117,999<br />
Purchases…………………………………………………………………… 1,496 2,015 78,745<br />
Recoveries and revisions…………………………………………………… 806 2,350 41,309<br />
Production………………………………………………………………… (187) (112) (<strong>10</strong>,588)<br />
June 30, 2008…………………………………….…………………………… 5,479 7,439 291,568<br />
Sale of reserves…………………………………………………………… - - -<br />
Discoveries………………………………………………………………… <strong>10</strong>4 69 2,148<br />
Purchases…………………………………………………………………… - - -<br />
Recoveries and revisions…………………………………………………… (64) 483 7,437<br />
Production………………………………………………………………… (515) (590) (20,537)<br />
June 30, 2009…………………………………….…………………………… 5,004 7,401 280,616<br />
Proved Developed Reserves as of:<br />
June 30, 2006……………………………………………………..………… 11 - 1,876<br />
June 30, 2007……………………………………………………..………… 827 - 57,721<br />
June 30, 2008……………………………………………………..………… 5,479 7,439 291,568<br />
June 30, 2009……………………………………………………..………… 5,004 7,401 280,616<br />
The large adjustment during the fiscal year ended June 30, 2007 related to discoveries is due to the<br />
exploration discoveries at Dutch #1, #2 and #3 on our lease at Eugene Island <strong>10</strong>. The large adjustment during the<br />
fiscal year ended June 30, 2008 related to discoveries is due to the exploration discoveries at Mary Rose #1, #2, #3<br />
and #4 on our State of Louisiana State leases. The large adjustment during the fiscal year ended June 30, 2008<br />
related to purchases is due to the additional working interest the Company purchased in the Eugene Island <strong>10</strong> and<br />
State of Louisiana discoveries in a like-kind exchange, using funds from the sale of its Arkansas Fayetteville Shale<br />
properties held by a qualified intermediary. The Company purchased an additional 8.33% working interest and<br />
6.67% net revenue interest in Dutch and an additional average 9.11% working interest and 6.67% net revenue<br />
interest in Mary Rose for $200 million on January 3, 2008. The Company also purchased an additional 0.3%<br />
overriding royalty interest in the Dutch and Mary Rose discoveries for $9.0 million on February 8, 2008. Finally,<br />
the Company purchased an additional 4.17% working interest and 3.33% net revenue interest in Dutch and an<br />
additional average 4.56% working interest and 3.33% net revenue interest in Mary Rose for $<strong>10</strong>0 million on April 3,<br />
2008.<br />
DB2/2<strong>10</strong>43537.7 F-26