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CORRESP
h0soukiqd hr5tlc30
7 Jun 10
Correspondence with SEC
12:00am
8-K
EX-99.1
xbgann81
23 Feb 10
Unit Corporation Reports 2009 Fourth Quarter & Year-end Results
12:00am
8-K
EX-10.1
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25 May 07
Entry into a Material Definitive Agreement
12:00am
424B3
okivf
28 Sep 05
Prospectus supplement
12:00am