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BLUESPARK removed BaSO4 scale from a GLV/SPM across a 20 ft interval, including tubing above and below...

CaCO3 scale was removed with BlueSpark on one well, with post-treatment performance compared against...

Tough barium sulfate scale could have meant the end for this well on the NCS. BlueSpark cleared it, extending...

H₂S sour, over 50% CO₂, 107°C, filled with 1.6 g/cc mud. The coiled tubing job failed. We treated it:...

The inclination was too high for a conventional brush. We ran the tool - and the gas lift valves came...