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
OMB APPROVAL
OMB Number: 3235-0287
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
RACHESKY MARK H MD
  2. Issuer Name and Ticker or Trading Symbol
KEY ENERGY SERVICES INC [KEG]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
40 WEST 57TH STREET, 24TH FLOOR
3. Date of Earliest Transaction (Month/Day/Year)
08/12/2013
(Street)

NEW YORK, NY 10019
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ 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               966,176 I See Footnote (2) (3)
Common Stock               2,434,097 I See Footnote (4) (5)
Common Stock 08/12/2013   P   10,000 A $ 6.488 (1) 14,084,070 I See Footnote (6) (7)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. SEC 1474 (9-02)

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

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
RACHESKY MARK H MD
40 WEST 57TH STREET
24TH FLOOR
NEW YORK, NY 10019
    X    
MHR FUND MANAGEMENT LLC
40 WEST 57TH STREET
24TH FLOOR
NEW YORK, NY 10019
    X    
MHR Holdings LLC
40 WEST 57TH STREET
24TH FLOOR
NEW YORK, NY 10019
    X    

Signatures

 /s/ Janet Yeung, Attorney in Fact   08/14/2013
**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) The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $6.45 to $6.55. The reporting persons undertake to provide to the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth herein.
(2) These shares are held for the account of MHR Institutional Partners II LP, a Delaware limited partnership ("Institutional Partners II"). MHR Institutional Advisors II LLC, a Delaware limited liability company ("Institutional Advisors II"), is the general partner of Institutional Partners II. MHRC II LLC, a Delaware limited liability company ("MHRC II") is the managing member of Institutional Advisors II. Dr. Rachesky is the managing member of MHRC II. In such capacity, Dr. Rachesky may be deemed to be the beneficial owner of the shares held for the account of Institutional Partners II. MHR Fund Management LLC, a Delaware limited liability company ("Fund Management"), is an affiliate of, and has an investment management agreement with, Institutional Partners II, pursuant to which it has the power to vote or direct the vote and to dispose or to direct the disposition of the shares held for the account of Institutional Partners II and, accordingly, (continued to footnote 3)
(3) (continued from footnote 2) Fund Management may be deemed to beneficially own the shares held for the account of Institutional Partners II. MHR Holdings LLC, a Delaware limited liability company ("MHR Holding"), is the managing member of Fund Management and, in such capacity, may be deemed to beneficially own any shares that are deemed to be beneficially owned by Fund Management. Accordingly, MHR Holdings may be deemed to beneficially own the shares held for the account of Institutional Partners II.
(4) These shares are held for the account of MHR Institutional Partners IIA LP, a Delaware limited partnership ("Institutional Partners IIA"). Institutional Advisors II is the general partner of Institutional Partners IIA. MHRC II is the managing member of Institutional Advisors II. Dr. Rachesky is the managing member of MHRC II. In such capacity, Dr. Rachesky may be deemed to be the beneficial owner of the shares held for the account of Institutional Partners IIA. Fund Management is an affiliate of, and has an investment management agreement with, Institutional Partners IIA, pursuant to which it has the power to vote or direct the vote and to dispose or to direct the disposition of the shares held for the account of Institutional Partners IIA and, accordingly, Fund Management may be deemed to beneficially own the shares held for the account of Institutional Partners IIA. (continued to footnote 5)
(5) (continued from footnote 4) MHR Holdings is the managing member of Fund Management and, in such capacity, may be deemed to beneficially own any shares that are deemed to be beneficially owned by Fund Management. Accordingly, MHR Holdings may be deemed to beneficially own the shares held for the account of Institutional Partners IIA.
(6) These shares are held for the account of MHR Institutional Partners III LP, a Delaware limited partnership ("Institutional Partners III"). MHR Institutional Advisors III LLC, a Delaware limited liability company ("Institutional Advisors III"), is the general partner of Institutional Partners III. Dr. Rachesky is the managing member of Institutional Advisors III. In such capacity, Dr. Rachesky may be deemed to be the beneficial owner of the shares held for the account of Institutional Partners III. Fund Management is an affiliate of, and has an investment management agreement with, Institutional Partners III, pursuant to which it has the power to vote or direct the vote and to dispose or to direct the disposition of the shares held for the account of Institutional Partners III and, accordingly, Fund Management may be deemed to beneficially own the shares held for the account of Institutional Partners III. (continued to footnote 7)
(7) (continued from footnote 6) MHR Holdings is the managing member of Fund Management and, in such capacity, may be deemed to beneficially own any shares that are deemed to be beneficially owned by Fund Management. Accordingly, MHR Holdings may be deemed to beneficially own the shares held for the account of Institutional Partners III.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.