OSLO, Nov 20 (Reuters) - Energy firm Questerre QEC.TO QEC.OL will sell up to 23.5 million new shares directed at Norwegian and international institutional investors to fund its development of its liquids-rich Montney acreage in Alberta, Canada, it said on Wednesday. The shares will be sold through a bookbuild and priced before 0700 GMT on Thursday, the company added. The 23.5 million shares are worth about 185 million crowns ($30.38 million) at Wednesday's closing price on the Oslo bourse. Pareto Securities AS, RS Platou Market AS and Swedbank First Securities are the managers and bookrunners of the placement. ($1 = 6.0893 Norwegian krones) (Reporting by Balazs Koranyi) ((Balazs.Koranyi@thomsonreuters.com)(+47 22 93 69 62)(Reuters Messaging: balazs.koranyi.thomsonreuters.com@reuters.net)) Keywords: QUESTERRE PLACEMENT