168 filings
Page 9 of 9
8-K
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9 Jan 07
Regulation FD Disclosure
12:00am
8-K
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17 Nov 06
Chaparral Energy 3rd Quarter Conference Call
12:00am
8-K
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6 Nov 06
Chaparral Energy Closes Acquisition
12:00am
8-K
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4 Oct 06
Entry into a Material Definitive Agreement
12:00am
8-K
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25 Sep 06
Acquisition of Calumet Oil Company
12:00am
8-K
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19 Sep 06
Chaparral Energy Inc. Announces Agreement to
12:00am
8-K
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8 Sep 06
Entry into a Material Definitive Agreement
12:00am
8-K
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28 Aug 06
Entry into a Material Definitive Agreement
12:00am