<SEC-DOCUMENT>0001104659-17-057450-index.html : 20170918
<SEC-HEADER>0001104659-17-057450.hdr.sgml : 20170918
<ACCEPTANCE-DATETIME>20170915182326
ACCESSION NUMBER:		0001104659-17-057450
CONFORMED SUBMISSION TYPE:	425
PUBLIC DOCUMENT COUNT:		52
FILED AS OF DATE:		20170918
DATE AS OF CHANGE:		20170915

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ATWOOD OCEANICS INC
		CENTRAL INDEX KEY:			0000008411
		STANDARD INDUSTRIAL CLASSIFICATION:	DRILLING OIL & GAS WELLS [1381]
		IRS NUMBER:				741611874
		STATE OF INCORPORATION:			TX
		FISCAL YEAR END:			0930

	FILING VALUES:
		FORM TYPE:		425
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13167
		FILM NUMBER:		171088766

	BUSINESS ADDRESS:	
		STREET 1:		15011 KATY FREEWAY,
		STREET 2:		SUITE 800
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77094
		BUSINESS PHONE:		2817497800

	MAIL ADDRESS:	
		STREET 1:		15011 KATY FREEWAY,
		STREET 2:		SUITE 800
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77094

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Ensco plc
		CENTRAL INDEX KEY:			0000314808
		STANDARD INDUSTRIAL CLASSIFICATION:	DRILLING OIL & GAS WELLS [1381]
		IRS NUMBER:				980635229
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		425

	BUSINESS ADDRESS:	
		STREET 1:		6 CHESTERFIELD GARDENS
		CITY:			LONDON
		STATE:			X0
		ZIP:			W1J5BQ
		BUSINESS PHONE:		4402076594660

	MAIL ADDRESS:	
		STREET 1:		6 CHESTERFIELD GARDENS
		CITY:			LONDON
		STATE:			X0
		ZIP:			W1J5BQ

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Ensco International plc
		DATE OF NAME CHANGE:	20091223

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ENSCO INTERNATIONAL INC
		DATE OF NAME CHANGE:	19950526

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ENERGY SERVICE COMPANY INC
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>425
<SEQUENCE>1
<FILENAME>a17-22126_1425.htm
<DESCRIPTION>425
<TEXT>
Document 1 - file: a17-22126_1425.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>g221261bgi001.gif <DESCRIPTION>GRAPHIC <TEXT> Document 2 - file: g221261bgi001.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>g221261bgi002.gif <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: g221261bgi002.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>g221261bgi003.gif <DESCRIPTION>GRAPHIC <TEXT> Document 4 - file: g221261bgi003.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>g221261bgi004.gif <DESCRIPTION>GRAPHIC <TEXT> Document 5 - file: g221261bgi004.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>g221261bgi005.gif <DESCRIPTION>GRAPHIC <TEXT> Document 6 - file: g221261bgi005.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>g221261bgi006.gif <DESCRIPTION>GRAPHIC <TEXT> Document 7 - file: g221261bgi006.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>g221261bgi007.gif <DESCRIPTION>GRAPHIC <TEXT> Document 8 - file: g221261bgi007.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>g221261bgi008.gif <DESCRIPTION>GRAPHIC <TEXT> Document 9 - file: g221261bgi008.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>10 <FILENAME>g221261bgi009.gif <DESCRIPTION>GRAPHIC <TEXT> Document 10 - file: g221261bgi009.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>11 <FILENAME>g221261bgi010.gif <DESCRIPTION>GRAPHIC <TEXT> Document 11 - file: g221261bgi010.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>12 <FILENAME>g221261bgi011.gif <DESCRIPTION>GRAPHIC <TEXT> Document 12 - file: g221261bgi011.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>13 <FILENAME>g221261bgi012.gif <DESCRIPTION>GRAPHIC <TEXT> Document 13 - file: g221261bgi012.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>14 <FILENAME>g221261bgi013.gif <DESCRIPTION>GRAPHIC <TEXT> Document 14 - file: g221261bgi013.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>15 <FILENAME>g221261bgi014.gif <DESCRIPTION>GRAPHIC <TEXT> Document 15 - file: g221261bgi014.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>16 <FILENAME>g221261bgi015.gif <DESCRIPTION>GRAPHIC <TEXT> Document 16 - file: g221261bgi015.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>17 <FILENAME>g221261bgi016.gif <DESCRIPTION>GRAPHIC <TEXT> Document 17 - file: g221261bgi016.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>18 <FILENAME>g221261bgi017.gif <DESCRIPTION>GRAPHIC <TEXT> Document 18 - file: g221261bgi017.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>19 <FILENAME>g221261bgi018.gif <DESCRIPTION>GRAPHIC <TEXT> Document 19 - file: g221261bgi018.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>20 <FILENAME>g221261bgi019.gif <DESCRIPTION>GRAPHIC <TEXT> Document 20 - file: g221261bgi019.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>21 <FILENAME>g221261bgi020.gif <DESCRIPTION>GRAPHIC <TEXT> Document 21 - file: g221261bgi020.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>22 <FILENAME>g221261bgi021.gif <DESCRIPTION>GRAPHIC <TEXT> Document 22 - file: g221261bgi021.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>23 <FILENAME>g221261bgi022.gif <DESCRIPTION>GRAPHIC <TEXT> Document 23 - file: g221261bgi022.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>24 <FILENAME>g221261bgi023.gif <DESCRIPTION>GRAPHIC <TEXT> Document 24 - file: g221261bgi023.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>25 <FILENAME>g221261bgi024.gif <DESCRIPTION>GRAPHIC <TEXT> Document 25 - file: g221261bgi024.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>26 <FILENAME>g221261bgi025.gif <DESCRIPTION>GRAPHIC <TEXT> Document 26 - file: g221261bgi025.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>27 <FILENAME>g221261bgi026.gif <DESCRIPTION>GRAPHIC <TEXT> Document 27 - file: g221261bgi026.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>28 <FILENAME>g221261bgi027.gif <DESCRIPTION>GRAPHIC <TEXT> Document 28 - file: g221261bgi027.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>29 <FILENAME>g221261bgi028.gif <DESCRIPTION>GRAPHIC <TEXT> Document 29 - file: g221261bgi028.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>30 <FILENAME>g221261bgi029.gif <DESCRIPTION>GRAPHIC <TEXT> Document 30 - file: g221261bgi029.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>31 <FILENAME>g221261bgi030.gif <DESCRIPTION>GRAPHIC <TEXT> Document 31 - file: g221261bgi030.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>32 <FILENAME>g221261bgi031.gif <DESCRIPTION>GRAPHIC <TEXT> Document 32 - file: g221261bgi031.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>33 <FILENAME>g221261bgi032.gif <DESCRIPTION>GRAPHIC <TEXT> Document 33 - file: g221261bgi032.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>34 <FILENAME>g221261bgi033.gif <DESCRIPTION>GRAPHIC <TEXT> Document 34 - file: g221261bgi033.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>35 <FILENAME>g221261bgi034.gif <DESCRIPTION>GRAPHIC <TEXT> Document 35 - file: g221261bgi034.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>36 <FILENAME>g221261bgi035.gif <DESCRIPTION>GRAPHIC <TEXT> Document 36 - file: g221261bgi035.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>37 <FILENAME>g221261bgi036.gif <DESCRIPTION>GRAPHIC <TEXT> Document 37 - file: g221261bgi036.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>38 <FILENAME>g221261bgi037.gif <DESCRIPTION>GRAPHIC <TEXT> Document 38 - file: g221261bgi037.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>39 <FILENAME>g221261bgi038.gif <DESCRIPTION>GRAPHIC <TEXT> Document 39 - file: g221261bgi038.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>40 <FILENAME>g221261bgi039.gif <DESCRIPTION>GRAPHIC <TEXT> Document 40 - file: g221261bgi039.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>41 <FILENAME>g221261bgi040.gif <DESCRIPTION>GRAPHIC <TEXT> Document 41 - file: g221261bgi040.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>42 <FILENAME>g221261bgi041.gif <DESCRIPTION>GRAPHIC <TEXT> Document 42 - file: g221261bgi041.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>43 <FILENAME>g221261bgi042.gif <DESCRIPTION>GRAPHIC <TEXT> Document 43 - file: g221261bgi042.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>44 <FILENAME>g221261bgi043.gif <DESCRIPTION>GRAPHIC <TEXT> Document 44 - file: g221261bgi043.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>45 <FILENAME>g221261bgi044.gif <DESCRIPTION>GRAPHIC <TEXT> Document 45 - file: g221261bgi044.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>46 <FILENAME>g221261bgi045.gif <DESCRIPTION>GRAPHIC <TEXT> Document 46 - file: g221261bgi045.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>47 <FILENAME>g221261bgi046.gif <DESCRIPTION>GRAPHIC <TEXT> Document 47 - file: g221261bgi046.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>48 <FILENAME>g221261bgi047.gif <DESCRIPTION>GRAPHIC <TEXT> Document 48 - file: g221261bgi047.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>49 <FILENAME>g221261bgi048.gif <DESCRIPTION>GRAPHIC <TEXT> Document 49 - file: g221261bgi048.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>50 <FILENAME>g221261bgi049.gif <DESCRIPTION>GRAPHIC <TEXT> Document 50 - file: g221261bgi049.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>51 <FILENAME>g221261bgi050.gif <DESCRIPTION>GRAPHIC <TEXT> Document 51 - file: g221261bgi050.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>52 <FILENAME>g221261bgi051.gif <DESCRIPTION>GRAPHIC <TEXT> Document 52 - file: g221261bgi051.gif
</DOCUMENT> </SEC-DOCUMENT>