Patagonia Lithium (ASX:PL3) said Lithium Well 7 of its Formentera project in Argentina has reached 350 meters, with 11 of 13 packer assay tests successfully extracting 200 liters of brine for analysis, according to a Thursday Australian bourse filing.
The company said Wells 1, 2, 3, and 4 are under a 72-hour pump test with monitoring of other wells for brine level changes, with both core and brine samples taken and stored according to chain of control procedures.
The next packer test will be at 375 meters depth, the filing added.