<SEC-DOCUMENT>0000073020-17-000029-index.html : 20170913 <SEC-HEADER>0000073020-17-000029.hdr.sgml : 20170913 <ACCEPTANCE-DATETIME>20170913171748 ACCESSION NUMBER: 0000073020-17-000029 CONFORMED SUBMISSION TYPE: 8-K PUBLIC DOCUMENT COUNT: 4 CONFORMED PERIOD OF REPORT: 20170913 ITEM INFORMATION: Other Events ITEM INFORMATION: Financial Statements and Exhibits FILED AS OF DATE: 20170913 DATE AS OF CHANGE: 20170913 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: 1231 FILING VALUES: FORM TYPE: 8-K SEC ACT: 1934 Act SEC FILE NUMBER: 001-15973 FILM NUMBER: 171083763 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>a8-kreportingmtnfmbissuance.htm <DESCRIPTION>FORM 8-K <TEXT> Document 1 - file: a8-kreportingmtnfmbissuance.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-5.(A) <SEQUENCE>2 <FILENAME>exhibit5alegalopinion.htm <DESCRIPTION>EXHIBIT 5.(A) <TEXT> Document 2 - file: exhibit5alegalopinion.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-5.(B) <SEQUENCE>3 <FILENAME>exhibit5bmtnfinancing.htm <DESCRIPTION>EXHIBIT 5.(B) <TEXT> Document 3 - file: exhibit5bmtnfinancing.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>logo_8k12016a04.gif <TEXT> Document 4 - file: logo_8k12016a04.gif
</DOCUMENT> </SEC-DOCUMENT>