<SEC-DOCUMENT>0001193125-18-065093-index.html : 20180301
<SEC-HEADER>0001193125-18-065093.hdr.sgml : 20180301
<ACCEPTANCE-DATETIME>20180228215033
ACCESSION NUMBER:		0001193125-18-065093
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20180301
DATE AS OF CHANGE:		20180228
GROUP MEMBERS:		DAN H. WILKS
GROUP MEMBERS:		STACI WILKS

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CARRIZO OIL & GAS INC
		CENTRAL INDEX KEY:			0001040593
		STANDARD INDUSTRIAL CLASSIFICATION:	CRUDE PETROLEUM & NATURAL GAS [1311]
		IRS NUMBER:				760415919
		STATE OF INCORPORATION:			TX
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-51465
		FILM NUMBER:		18654515

	BUSINESS ADDRESS:	
		STREET 1:		500 DALLAS STREET
		STREET 2:		SUITE 2300
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77002
		BUSINESS PHONE:		7133281000

	MAIL ADDRESS:	
		STREET 1:		500 DALLAS STREET
		STREET 2:		SUITE 2300
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77002

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Wilks Brothers, LLC
		CENTRAL INDEX KEY:			0001662888
		IRS NUMBER:				452388948
		STATE OF INCORPORATION:			TX
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		17010 INTERSTATE 20
		CITY:			CISCO
		STATE:			TX
		ZIP:			76437
		BUSINESS PHONE:		8178192578

	MAIL ADDRESS:	
		STREET 1:		17010 INTERSTATE 20
		CITY:			CISCO
		STATE:			TX
		ZIP:			76437
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>d539833dsc13g.htm
<DESCRIPTION>SC 13G
<TEXT>
Document 1 - file: d539833dsc13g.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>d539833dex991.htm
<DESCRIPTION>EX-99.1
<TEXT>
Document 2 - file: d539833dex991.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.2
<SEQUENCE>3
<FILENAME>d539833dex992.htm
<DESCRIPTION>EX-99.2
<TEXT>
Document 3 - file: d539833dex992.htm

</DOCUMENT>
</SEC-DOCUMENT>