Tri-Valley Commences Operations on Elk Ridge Gas Prospect BAKERSFIELD, Calif., Dec. 10, 2003 (PRIMEZONE) -- Tri-Valley Corporation (AMEX:TIV) commenced operations to drill its Elk Ridge Natural Gas Prospect later this month, it was announced today. The...

Tri-Valley Completing Three Big Prospects BAKERSFIELD, Calif., Nov. 25, 2003 (PRIMEZONE) -- Tri-Valley Corporation (AMEX:TIV) expects to finish the year on a high note as it completes three very large target oil and gas prospects and...

Tri-Valley to Complete Oil Lake Exploratory Well BAKERSFIELD, Calif., Nov. 14, 2003 (PRIMEZONE) -- Tri-Valley Corporation (AMEX:TIV) announced that it will run pipe to complete its B&N No. 1-7 exploratory well on its Oil Lake Prospect as logs...

Tri-Valley Corporation Posts Positive Gold Results BAKERSFIELD, Calif., Nov. 14, 2003 (PRIMEZONE) -- Tri-Valley Corporation (AMEX:TIV) announced today positive gold results of its summer drill program on First Chance Creek at Richardson, Alaska. The...