Initial Statement of Beneficial Ownership (3)

FORM 3	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES	OMB APPROVAL OMB Number: 3235-0104 Estimated average burden hours per response... 0.5
	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person ^*

Darby Tommy

2. Date of Event Requiring Statement (MM/DD/YYYY) 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 /

(Street)

HOUSTON, TX 77057

(City) (State) (Zip)

5. If Amendment, Date Original Filed (MM/DD/YYYY)

6. Individual or Joint/Group Filing (Check Applicable Line)

_ X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

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	13238	D
Class A Ordinary Shares	18260	I	Represents shares held by an immediate family member

*Table II - Derivative Securities Beneficially Owned ( e.g.* , puts, calls, warrants, options, convertible securities)**
1. Title of Derivate Security (Instr. 4)	2. Date Exercisable and Expiration Date (MM/DD/YYYY)		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)
1. Title of Derivate Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security		6. Nature of Indirect Beneficial Ownership (Instr. 5)
Restricted Share Units	⁽¹⁾	6/1/2021	Class A Ordinary Shares	14508.0	⁽¹⁾	D
Restricted Share Units	⁽¹⁾	6/1/2022	Class A Ordinary Shares	31845.0	⁽¹⁾	D
Restricted Share Units	⁽¹⁾	6/1/2021	Class A Ordinary Shares	13268.0	⁽¹⁾	I	Represents restricted share units held by an immediate family member
Restricted Share Units	⁽¹⁾	6/1/2022	Class A Ordinary Shares	25320.0	⁽¹⁾	I	Represents restricted share units held by an immediate family member

Explanation of Responses:
(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.

Reporting Owners
Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	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

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
*	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).
Note:	File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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.