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Sacgasco: significant gas shows continue at Dempsey

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Oilfield Technology,

  • Zones of significant gas shows continue to be drilled in Dempsey 1-15 well.
  • Drilling ahead below 2440 m (~8000 ft) to evaluate multiple remaining conventional sandstone reservoir targets in next 750 m (~2500 ft) of drilling.
  • Sacgasco is testing the largest undrilled structure in northeastern Sacramento Basin.

Sacramento Basin-focused natural gas developer and producer, Sacgasco Limited has advised that the Dempsey 1-15 well in the Sacramento Basin in California is drilling ahead in the 8 ½ in. vertical hole.

Since the last update mud logs have indicated additional zones of significant gas shows.

These have occurred even though the drilling mud weight has been increased to control the levels of background gas for safe drilling.

Shareholders and investors are advised that the significance of these shows will become more apparent when the next wireline logs are run, to more fully evaluate the intersected gas shows and reservoirs. This is planned after reaching the proposed total drilling depth of approximately 3200 m.

The Dempsey 1-15 well is currently drilling ahead at 2440 m (~8000 ft) to the highly under-explored deeper targeted reservoirs in the approximately 750 m (~2500 ft) of remaining section to be drilled.

Sacgasco is drilling the largest undrilled mapped structural closure in the northeastern part of the prolific Sacramento Gas Basin and is interpreted to be optimally located to trap gas migrating out of gas generating areas located to the west and south.

After Farm-in Working Interests in the Dempsey Gas Project:

  • Sacgasco Limited (Operator) – 50%
  • Empyrean Energy PLC – 30%
  • Pancontinental Oil and Gas NL – 10%
  • Xstate Resources Limited – 10%

Sacgasco Managing Director Gary Jeffery commented:

“We continue to be very pleased with the execution of the drilling and the continuing gas shows seen in the Dempsey well.

“I am aware that there is speculation about which potential reservoir targets have been drilled to date. I remind shareholders and investors that we are drilling potential reservoirs in an area of the Sacramento Basin that is very under-explored, and hence correlations of strata to seismic and other wells is neither definitive, nor material, until the well is logged.

“More importantly, as previously observed it continues to be encouraging that since drilling out of the 9 5/8 in. casing, all potential reservoir zones interpreted from mud logs have been associated with significant gas shows. While these extensive gas shows have slowed down the drilling rate as gas from each zone has to be circulated out to provide for safe drilling, I would call that a good problem to manage!

“Further updates will be provided on meaningful results from the evaluation of the target sandstone reservoirs spread across the interval to be drilled.”

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