<SEC-DOCUMENT>0001628280-17-012742-index.html : 20171229 <SEC-HEADER>0001628280-17-012742.hdr.sgml : 20171229 <ACCEPTANCE-DATETIME>20171229170822 ACCESSION NUMBER: 0001628280-17-012742 CONFORMED SUBMISSION TYPE: 8-K PUBLIC DOCUMENT COUNT: 4 CONFORMED PERIOD OF REPORT: 20171229 ITEM INFORMATION: Regulation FD Disclosure ITEM INFORMATION: Financial Statements and Exhibits FILED AS OF DATE: 20171229 DATE AS OF CHANGE: 20171229 FILER: COMPANY DATA: COMPANY CONFORMED NAME: NORTHWEST NATURAL GAS CO CENTRAL INDEX KEY: 0000073020 STANDARD INDUSTRIAL CLASSIFICATION: NATURAL GAS DISTRIBUTION [4924] IRS NUMBER: 930256722 STATE OF INCORPORATION: OR FISCAL YEAR END: 1222 FILING VALUES: FORM TYPE: 8-K SEC ACT: 1934 Act SEC FILE NUMBER: 001-15973 FILM NUMBER: 171282629 BUSINESS ADDRESS: STREET 1: ONE PACIFIC SQUARE STREET 2: 220 NW SECOND AVE CITY: PORTLAND STATE: OR ZIP: 97209 BUSINESS PHONE: 5032264211 MAIL ADDRESS: STREET 1: 220 NW SECOND AVENUE CITY: PORTLAND STATE: OR ZIP: 97209 </SEC-HEADER> <DOCUMENT> <TYPE>8-K <SEQUENCE>1 <FILENAME>form8-kxratecase.htm <DESCRIPTION>FORM 8-K <TEXT> Document 1 - file: form8-kxratecase.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.1 <SEQUENCE>2 <FILENAME>a991pressrelease-ratecase.htm <DESCRIPTION>PRESS RELEASE <TEXT> Document 2 - file: a991pressrelease-ratecase.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>logo_8k12016a07.gif <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: logo_8k12016a07.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>nwnlogocroppeda03.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 4 - file: nwnlogocroppeda03.jpg
</DOCUMENT> </SEC-DOCUMENT>