PetroQuest Energy Announces Filing of a $100 Million Universal Shelf Registration Statement NEW YORK, July 30 (Reuters) - PetroQuest Energy, Inc.(NasdaqNM:PQUE - news), a U.S. company that explores for and produces oil in the Gulf of Mexico, said Monday it filed a shelf registration statement for $300 million with the Securities and Exchange Commission. The proceeds of the filing will be used general corporate purposes. Up to $100 million or common stock, preferred stock, depositary shares, warrants, or debt securities may be sold at any one time. This filing replaces the June 27, 2001 registration statement. As of June 30, PetroQuest had 32.3 million shares outstanding. Shares of PetroQuest closed at $6.15 on Friday on the Nasdaq.