CGX Resources Inc., the local subsidiary of exploration company CGX Energy Inc. which is headquartered in Canada, is of the firm belief that oil has migrated onto, and is now trapped at its onshore Berbice block. According to CGX, this is supported by “strong evidence”.

Expounding further, CGX noted that it has paid keen attention to the presence of the Tambaredjo/Calcutta onshore heavy oilfields in coastal Suriname. It said that the source for oil found in the Tambaredjo is the same as that of offshore wells in the Basin indicating long-distance migration onto the Berbice Block.

Additionally, CGX said that there are numerous reported oil and gas seeps in onshore Guyana while adding that there have been pay on logs and oil shows in cuttings from Berbice wells drilled by its other subsidiary, ON Energy Inc.

Further to this, CGX said that large structures and stratigraphic changes on Berbice provide hydrocarbon traps. It said, “There is strong evidence that these traps are well-positioned to be filled with hydrocarbons that have migrated to onshore Guyana. Herein, CGX continues to mature a robust prospect inventory over these trends for possible drilling.”

CGX’s 62% owned subsidiary, ON Energy Inc., has previously drilled three wells on the block and acquired 17 2D seismic lines along with an aeromagnetic and gravity survey. To augment these data, CGX conducted a Geochemical Soil Survey in late 2018.
Also, CGX recalled that a surface soil gas survey was conducted by Exploration Technologies Inc. (ETI) in collaboration with the University of Guyana Berbice Campus and several of the Berbice technical institutes. In this regard, it noted that a total of 314 shallow soil gas vapors were collected between October 27 and November 4 of 2018 from a depth of 4 feet subsurface. The data set is wide-spread, with samples collected on 1-kilometer spacing along three roads and two gridded areas.

Furthermore, CGX said that the geochemical survey confirmed the presence of subsurface oil sources within the Berbice block. It said that very well-correlated, coherent ethane, propane, and butane anomalies were defined within both of the gridded areas and along the road profiles. The company said that the results of this study are now being used to plan a 2D seismic survey and locate the drilling of a stratigraphic well.


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