The Nelson #1-10 well, located in the Grimes Gas Field, Sutter County, California, was directionally drilled to a depth of 8,320 feet and encountered approximately 100 feet of potential net gas pay in several intervals in the Forbes formation. One of these intervals was perforated and tested gas on a 1/4 inch choke at a stabilized flow rate of 2,642 MCFPD. The flowing tubing pressure was 1,820 psig and the flowing casing pressure was 1,870 psig. The shut in tubing and shut in casing pressures were 2,700 psig. Several potential gas zones still exist behind pipe. Aspen has a 30.0% operated working interest in this well.
A drilling rig will be moving to the Morris #12-4 well, located in the West Grimes Gas Field, Colusa County, CA in approximately 1 week. An additional drilling rig will be moving to the Bidart Bros. 63X-28, a 7,800 foot Stevens oil test, located in Kern County, CA, in late July.
In the Sacramento Valley, Aspen has drilled 34 successful gas wells out of 36 attempts during the last 3 1/2 years (94% success rate) and drilled 42 successful gas wells out of 48 attempts during the last 5 1/2 years, a success rate of 88%. Aspen currently operates 60 gas wells and has non-operated interests in 21 additional wells in the Sacramento Valley of northern California and has non-operated interests in approximately 33 oil wells in Montana.
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