162 results
8-K
Northwest Natural Holding Co.
23 Dec 98
Current report
12:00am
have been depressed during
1998 by low oil prices, lower than expected gas and oil
production and unsuccessful drilling efforts … ,
"Accounting for the Impairment of Long-Lived Assets and for Long-
Lived Assets to Be Disposed Of," to Canor's gas and oil
properties
10-K405
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22 Mar 96
Annual report (delinquent filer disclosure)
12:00am
8-K
EX-99.2
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25 Feb 11
NW Natural Posts Strong 2010 & Q4 Results
12:00am
10-K405
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24 Feb 97
Annual report (delinquent filer disclosure)
12:00am
8-K
EX-99.1
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29 Apr 11
Oregon utility commission approves NW Natural and Encana Oil
12:00am
10-K
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29 Mar 94
Annual report
12:00am
8-K
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2 Mar 11
Entry into a Material Definitive Agreement
12:00am