Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
LOCKE STACY
  2. Issuer Name and Ticker or Trading Symbol
PIONEER DRILLING CO [PDC]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Pres/CEO
(Last)
(First)
(Middle)
1250 N E LOOP 410 #1000
3. Date of Earliest Transaction (Month/Day/Year)
03/12/2009
(Street)

SAN ANTONIO, TX 78209
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 03/12/2009 03/12/2009 P   25,000 A $ 3.74 178,507 D  
Common Stock 03/13/2009 03/13/2009 P   18,700 A $ 3.45 197,207 D  

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Stock option (Right to buy) $ 3.67               (1) 11/20/2013 Common Stock 85,000   85,000 D  
Stock option (Right to buy) $ 4.77               (1) 01/05/2014 Common Stock 2,000   87,000 D  
Stock Option (Right to buy) $ 14.58               (1) 08/18/2015 Common Stock 98,000   185,000 D  
Stock Opttion (Right to buy) $ 14.54               (2) 06/05/2016 Common Stock 120,000   305,000 D  
Stock Option (Right to buy) $ 14.07               (3) 05/14/2017 Common Stock 200,000   505,000 D  
Stock option (Right to buy) $ 17.07               (4) 08/28/2018 Common Stock 180,000   685,000 D  
Stock Option (Right to buy) $ 3.84               (5) 03/02/2019 Common Stock 236,000   921,000 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
LOCKE STACY
1250 N E LOOP 410 #1000
SAN ANTONIO, TX 78209
  X     Pres/CEO  

Signatures

 Wm. Stacy Locke   03/16/2009
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) All stock options are fully exercisable at 03-13-09
(2) The options become exercisable in three equal installments on June 5, 2007, 2008 and 2009.
(3) The options become exercisable in three equal installments beginning May 14, 2008, 2009, and 2010.
(4) The options become exercisable in three equal installments beginning August 28, 2009, 2010 and 2011.
(5) The options become exercisable in three equal installments on March 2, 2010, 2011 and 2012.

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