<SEC-DOCUMENT>0001085146-19-000104-index.html : 20190110
<SEC-HEADER>0001085146-19-000104.hdr.sgml : 20190110
<ACCEPTANCE-DATETIME>20190110120453
ACCESSION NUMBER:		0001085146-19-000104
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20190110
DATE AS OF CHANGE:		20190110

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PETROQUEST ENERGY INC
		CENTRAL INDEX KEY:			0000872248
		STANDARD INDUSTRIAL CLASSIFICATION:	CRUDE PETROLEUM & NATURAL GAS [1311]
		IRS NUMBER:				721440714
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-45141
		FILM NUMBER:		19519705

	BUSINESS ADDRESS:	
		STREET 1:		400 E KALISTE SALOOM RD SUITE 6000
		CITY:			LAFAYETTE
		STATE:			LA
		ZIP:			70508
		BUSINESS PHONE:		3372327028

	MAIL ADDRESS:	
		STREET 1:		400 E KALISTE SALOOM RD SUITE 6000
		CITY:			LAFAYETTE
		STATE:			LA
		ZIP:			70508

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	OPTIMA PETROLEUM CORP
		DATE OF NAME CHANGE:	19950726

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MACKAY SHIELDS LLC
		CENTRAL INDEX KEY:			0000061227
		STANDARD INDUSTRIAL CLASSIFICATION:	UNKNOWN SIC - 0000 [0000]
		IRS NUMBER:				134080466
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		1345 AVENUE OF THE AMERICAS
		STREET 2:		42ND  FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10105
		BUSINESS PHONE:		212-230-3811

	MAIL ADDRESS:	
		STREET 1:		1345 AVENUE OF THE AMERICAS
		STREET 2:		42ND FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10105

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MACKAY SHIELDS FINANCIAL CORP
		DATE OF NAME CHANGE:	19920929
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>pqa4_11019.htm
<DESCRIPTION>MACKAY SHIELDS LLC
<TEXT>
Document 1 - file: pqa4_11019.htm

</DOCUMENT>
</SEC-DOCUMENT>