FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF 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 *   Tucker Brian L 2. Date of Event Requiring Statement (Month/Day/Year) 01/01/2015 3. Issuer Name and Ticker or Trading Symbol PIONEER ENERGY SERVICES CORP [PES] (Last) (First) (Middle) 1250 NE LOOP 410 #1000 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) EVP & Pres Drilling Svs. Div. 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) SAN ANTONIO, TX 78209 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 Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5) Common Stock 11,126 D Â

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Employee Stock Option (right to buy)	  (1)	06/04/2022	Common Stock	55,000	$ 7.02	D	Â
Employee Stock Option (right to buy)	  (2)	01/31/2023	Common Stock	11,623	$ 7.58	D	Â
Employee Stock Option (right to buy)	  (3)	01/30/2024	Common Stock	10,177	$ 8.44	D	Â
Restricted Stock Units	  (5)	  (5)	Common Stock	10,000	$ (4)	D	Â
Restricted Stock Units	  (6)	  (6)	Common Stock	8,455	$ (4)	D	Â
Restricted Stock Units	  (7)	  (7)	Common Stock	10,957	$ (4)	D	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Tucker Brian L 1250 NE LOOP 410 #1000 SAN ANTONIO, TX 78209	Â	Â	  EVP & Pres Drilling Svs. Div.	Â

Signatures

Brian L. Tucker		01/09/2015
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(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)	The option becomes exercisable in three equal installments on June 4, 2013, 2014 and 2015.
(2)	The option becomes exercisable in three equal installments on January 31, 2014, 2015 and 2016.
(3)	The option becomes exercisable in three equal installments on January 30, 2015, 2016 and 2017.
(4)	Restricted stock units convert into common stock on a one-for-one-basis.
(5)	On June 4, 2012, the reporting person was granted 30,000 restricted stock units, vesting one-third on June 4, 2013, one-third on June 4, 2014 and the final one-third on June 4, 2015.
(6)	On May 21, 2013, the reporting person was granted 12,682 restricted stock units, vesting one-third on January 31, 2014, one-third on January 31, 2015 and the final one-third on January 31, 2016. The reporting person has elected, upon the vesting thereof, to defer the receipt of 126 shares under the terms of the Pioneer Energy Services Corp. Nonqualified Retirement Savings and Investment Plan. The deferred shares will be delivered to the reporting person upon the reporting person's retirement following separation from service or another scheduled distribution date as provided by Section 409A of the Internal Revenue Code of 1986, as amended.
(7)	On January 30, 2014, the reporting person was granted 10,957 restricted stock units, vesting one-third on January 30, 2015, one-third on January 30, 2016 and the final one-third on January 30, 2017.

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