<SEC-DOCUMENT>0000899681-19-000110-index.html : 20190709
<SEC-HEADER>0000899681-19-000110.hdr.sgml : 20190709
<ACCEPTANCE-DATETIME>20190709154907
ACCESSION NUMBER:		0000899681-19-000110
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20190709
DATE AS OF CHANGE:		20190709
GROUP MEMBERS:		DAN H. WILKS
GROUP MEMBERS:		FARRIS WILKS
GROUP MEMBERS:		STACI WILKS
GROUP MEMBERS:		WILKS BROTHERS, LLC

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CARBO CERAMICS INC
		CENTRAL INDEX KEY:			0001009672
		STANDARD INDUSTRIAL CLASSIFICATION:	ABRASIVE ASBESTOS & MISC NONMETALLIC MINERAL PRODUCTS [3290]
		IRS NUMBER:				721100013
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-48851
		FILM NUMBER:		19947229

	BUSINESS ADDRESS:	
		STREET 1:		575 NORTH DAIRY ASHFORD
		STREET 2:		SUITE 300
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77079
		BUSINESS PHONE:		2819216400

	MAIL ADDRESS:	
		STREET 1:		575 NORTH DAIRY ASHFORD
		STREET 2:		SUITE 300
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77079

FILED BY:		

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

	FILING VALUES:
		FORM TYPE:		SC 13D/A

	BUSINESS ADDRESS:	
		STREET 1:		17018 INTERSTATE 20
		CITY:			CISCO
		STATE:			TX
		ZIP:			76437
		BUSINESS PHONE:		8178503600

	MAIL ADDRESS:	
		STREET 1:		17018 INTERSTATE 20
		CITY:			CISCO
		STATE:			TX
		ZIP:			76437
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>p19-0089_sch13da.htm
<DESCRIPTION>SCHEDULE 13D/A (AMENDMENT NO. 4)
<TEXT>
Document 1 - file: p19-0089_sch13da.htm
</DOCUMENT> </SEC-DOCUMENT>