Scotforth Ltd

We See Hydrocarbons


San Joaquin, California: New Oil in an Old Basin

Scotforth has recently completed a research study of the effectiveness of its Direct Hydrocarbon Mapping (DHM) technology for prospectivity investigation in the SJB and adjacent Cuyama Basin (CB).  Its results are highly encouraging and will be pursued further with interested E&P parties.

The San Joaquin Basin (SJB) is one of the world’s oldest and most prolific multi-billion barrel oil and gas petroleum provinces. It measures 170 miles long by 65 miles wide and has over 18,000 feet of section in its depocentre. It has been explored for more than 140 years, had its first discovery in 1894, had produced 15.2 billion barrels of oil by the end of 2014 and despite its highly mature status is still producing over 400MBD from its numerous fields.

The key question today is whether such a prolific, highly mature and often very heavy oil system is essentially just an “engineering enhanced recoveries” play or whether the basin’s geological complexities and supreme petroleum endowment invite further exploration using new technologies such as Scotforth’s DHM to identify and discover totally new petroleum resources and reserves.

The USGS assesses that SJB has a mean 393 MMB of total undiscovered oil, about 332 MMBO (84 %) in the five assessment units of the Miocene Total Petroleum System, and 46 MMBO (12%) estimated for the Eocene West Side Fold Belt Unit of the Eocene Composite Total Petroleum System. It estimates also 1.8 TCF of gas and 86 MMBNGL.

The following DHM example of northern parts of the “Greater Poso Creek / Mount Poso Field District” illustrates the general nature of Scotforth’s spectral detection of oilfields and prospects in SJB and CB.

Our full article on this study, with additional illustrations, can be downloaded here.

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