<SEC-DOCUMENT>0000844965-19-000008-index.html : 20190701 <SEC-HEADER>0000844965-19-000008.hdr.sgml : 20190701 <ACCEPTANCE-DATETIME>20190701160705 ACCESSION NUMBER: 0000844965-19-000008 CONFORMED SUBMISSION TYPE: 11-K PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20180630 FILED AS OF DATE: 20190701 DATE AS OF CHANGE: 20190701 FILER: COMPANY DATA: COMPANY CONFORMED NAME: TETRA TECHNOLOGIES INC CENTRAL INDEX KEY: 0000844965 STANDARD INDUSTRIAL CLASSIFICATION: CRUDE PETROLEUM & NATURAL GAS [1311] IRS NUMBER: 742148293 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 11-K SEC ACT: 1934 Act SEC FILE NUMBER: 001-13455 FILM NUMBER: 19933267 BUSINESS ADDRESS: STREET 1: 24955 INTERSTATE 45 NORTH CITY: THE WOODLANDS STATE: TX ZIP: 77380 BUSINESS PHONE: 2813671983 MAIL ADDRESS: STREET 1: 24955 INTERSTATE 45 NORTH CITY: THE WOODLANDS STATE: TX ZIP: 77380 </SEC-HEADER> <DOCUMENT> <TYPE>11-K <SEQUENCE>1 <FILENAME>tti_form11kx2018.htm <DESCRIPTION>11-K <TEXT> Document 1 - file: tti_form11kx2018.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-23.1 <SEQUENCE>2 <FILENAME>exhibit2312018.htm <DESCRIPTION>EXHIBIT 23.1 <TEXT> Document 2 - file: exhibit2312018.htm
</DOCUMENT> </SEC-DOCUMENT>