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  • Sacgasco (SGC) and joint venture partner Xstate Resources (XST) have hit multiple gas shows during continuous drilling at the Borba 1-7 well
  • A gas peak of 68 units, 14 times greater than the background level, was measured in sandstone at around 8600 feet
  • Drilling went deeper in the Lower Guinda Sandstone, below the area that struck a 30-metre interval of high-gas shows earlier this month
  • Higher heating value gas was indicated with over 880 feet of ethane gas shows with levels greater than 20 parts per million in coincident zones of higher methane
  • Drilling is set to continue, with the next suite of petrophysical logs to be run after reaching the well in basement rocks at around 9700 feet
  • Sacgasco shares have increased 1.27 per cent at 8 cents each, Xstate Resources is in the grey at 1.3 cents apiece

Sacgasco (SGC) and joint venture partner Xstate Resources (XST) have hit multiple gas shows during continuous drilling at the California-based Borba 1-7 well. 

The drilling went deeper in the Lower Guinda Sandstone, below an area that earlier this month struck a 30-metre interval of high gas shows. 

The new results measured a gas peak of 68 units, 14 times greater than the background level, in sandstone at around 8600 feet. 

The companies say the well is being drilling with 14.2 pound per gallon mud to control the background gas in accordance with good drilling practice, in what is considered an over-pressured zone. 

Higher heating value gas was indicated with over 880 feet of ethane gas shows with levels greater than 20 parts per million in coincident zones of higher methane. 

Managing Director of Sacgasco Gary Jeffery commented on the drilling program.

“The Borba 1-7 well drilling is continuing to plan. All the intervals of high seismic amplitudes, interpreted to be Natural Gas reservoirs, that have been drilled to date, have been intersected with indications of porosity on the mud logs and coincident gas shows,” he said. 

Drilling is set to continue, with the next suite of petrophysical logs to be run after reaching the depth of the well in basement rocks at around 9700 feet. 

Gary Jeffery said Borba is living up to expectations.

“We already have at least three zones that currently justify being tested, and I am increasingly confident there is much more positive news to come as we now drill for the key older reservoir ‘sweet spots,” he continued.

Previous drilling in the area at Dempsey 1-15 flowed natural gas from a correlative interval in the Guinda. In comparison, the companies note that the characteristics of Borba continue to improve with better reservoir potential and gas shows.

In particular, the Borba sand is said to be a blockier more continuous sand interval covering over 100 feet.

Drilling had been hampered this week by beds of high clay content at the formation. 

Consequently, the need for equipment changes and removing downhole directional drilling equipment slowed drilling progress. 

Moving forward, the companies claim the well bore is in good condition, and drilling will proceed to the overall evaluation plan. 

Sacgasco shares have increased 1.27 per cent at 8 cents each, Xstate Resources is in the grey at 1.3 cents apiece at 12pm AEDT. 

XST by the numbers
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