Its all little clues Habayyut, again in this article a "Progressive Cavity Pump" adds a little more to the detail, and of course this Progressive Pump along with the "material increase in production" wording.
Acid takes only a short time, so the pump should have been installed and started to run in December, so 4 weeks of results lets say and we should have news sometime January, and that is the best month to have good news in (December is a waste of time to release good news as nobody is really interested, but January is one of the best months for good news)