Company:  UNION DRILLING INC
Form Type:  SC 13G/A
Filing Date:  2/13/2012 
CIK:  0001133260 
Address:  4055 INTERNATIONAL PLAZA
SUITE 610 
City, State, Zip:  FORT WORTH, Texas 76109 
Telephone:  (817) 735-8793 
Fiscal Year:  12/31 
Description of Business
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  FORM SC 13G/A
  EXHIBIT 99.(I)
  EXHIBIT 99.(II)
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