Company:  PATTERSON UTI ENERGY INC (PTEN)
Form Type:  8-K
Filing Date:  4/23/2012 
CIK:  0000889900 
Address:  4510 LAMESA HWY
P O DRAWER 1416 
City, State, Zip:  SNYDER, Texas 79549 
Telephone:  (915) 573-1104 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$21.76   		Change: 
-0.19 (-0.87%)  
Trade Time: 
May 24   		Market Cap: 
$3.20B
Description of Business
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  FORM 8-K
    SECTION 8 OTHER EVENTS
      Item 8.01 Other Events.
    SECTION 9 FINANCIAL STATEMENTS AND EXHIBITS
      Item 9.01 Financial Statements and Exhibits.
    SIGNATURES
  EXHIBIT 99.1
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