Ownership Submission
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 *
  Darby Tommy
 2. Date of Event Requiring Statement (Month/Day/Year)
10/10/2017		 3. Issuer Name and Ticker or Trading Symbol
Ensco plc [ESV]
(Last)
(First)
(Middle)
5847 SAN FELIPE ST., SUITE 3300		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Controller
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

HOUSTON, TX 77057		 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)
Class A Ordinary Shares 13,238
D
 
Class A Ordinary Shares 18,260
I
Represents shares held by an immediate family member

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
Restricted Share Units   (1) 06/01/2021 Class A Ordinary Shares 14,508 $ (1) D  
Restricted Share Units   (1) 06/01/2022 Class A Ordinary Shares 31,845 $ (1) D  
Restricted Share Units   (1) 06/01/2021 Class A Ordinary Shares 13,268 $ (1) I Represents restricted share units held by an immediate family member
Restricted Share Units   (1) 06/01/2022 Class A Ordinary Shares 25,320 $ (1) I Represents restricted share units held by an immediate family member

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Darby Tommy
5847 SAN FELIPE ST.
SUITE 3300
HOUSTON, TX 77057		       Controller  

Signatures

/s/ Davor S. Vukadin, by Power of Attorney 10/19/2017
**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) Each Restricted Share Unit represents the economic equivalent of one Ensco Class A ordinary share and is settled in cash upon vesting. The Restricted Share Units vest in five equal annual installments beginning on the first anniversary of the grant date.

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

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