Company:  OASIS PETROLEUM INC. (OAS)
Form Type:  4
Filing Date:  3/2/2012 
CIK:  0001486159 
Address:  1001 FANNIN STREET
SUITE 1500
 
City, State, Zip:  HOUSTON, Texas 77002 
Telephone:  281-404-9500 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$37.92  
Change: 
-0.29 (-0.76%)  
Trade Time: 
May 24  
Market Cap: 
$3.55B
Description of Business
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  FORM 4
    NAME AND TITLE
    NON DERIVATIVE SECURITIES
    DERIVATIVE SECURITIES
    EXPLANATIONS AND REMARKS
    REPORTING OWNERS
    SIGNATURES