April 29 (Reuters) - Jadestone Energy Inc JSE.V :
* HEADS OF AGREEMENT FOR VIETNAM GAS SALES
* SUBSIDIARIES HAVE SIGNED A HEADS OF AGREEMENT WITH PETROVIETNAM
April 29 (Reuters) - Jadestone Energy Inc JSE.V :
* HEADS OF AGREEMENT FOR VIETNAM GAS SALES
* SUBSIDIARIES HAVE SIGNED A HEADS OF AGREEMENT WITH PETROVIETNAM