MOU1 and Overbalanced Mud23 Aug 2025 10:11
MOU-1 and Overbalanced Mud
➡️Overbalanced drilling means the hydrostatic pressure of the drilling mud is greater than the pore pressure in the formation.
➡️This prevents uncontrolled gas influxes (kicks) but also suppresses flow shows: it pushes formation fluids back into the rock rather than letting them flow into the wellbore.
➡️In Guercif, MOU-1 proved gas charge despite being drilled overbalanced. That is significant: if you still see gas with an overbalanced mud system, the gas column is robust.
➡️Continuing subsequent wells with the same methodology may look counterintuitive — normally, after proving gas, you might go slightly under balanced or balanced to maximise shows.
Why Persist With Overbalanced Mud?
(a) Safety and Operational Prudence
➡️Guercif is frontier acreage. ONHYM (Morocco’s state partner) has strict safety protocols.
➡️Overbalanced mud reduces blowout risk and ensures that gas-charged sands do not cause uncontrolled well events.
➡️Predator is a small-cap company — the reputational and financial risk of a blowout would be existential.
(b) Data-Gathering Strategy
➡️They may have prioritised structural delineation and log data over flow testing at this stage.
➡️Drilling with heavier mud allows safe penetration of multiple prospective horizons before later optimising completions and flow testing.
➡️Mud overbalance can preserve well integrity for later re-entry and stimulation.
(c) Managing Market Expectations
➡️Predator is listed (AIM) — wild gas shows could cause speculative spikes. By drilling “quiet” overbalanced wells, they avoid uncontrollable market hype before ONHYM validates the dataset.
Could ONHYM Have Directed This?
This is where the “thesis” becomes political.
➡️ONHYM’s Role: As Morocco’s state hydrocarbons agency, ONHYM has a 25% carried interest in Guercif. It has a strategic role in managing communications around discoveries.
➡️Gas Market in Morocco: Morocco is eager to secure domestic gas (to replace Algerian supply lost through the Maghreb-Europe pipeline). However, they also need to carefully manage investor messaging and pricing negotiations.
➡️Suppression of Early Hype: If Guercif gas looked like a “giant” play early on, ONHYM might prefer to control narrative and timing. Overbalanced drilling suppresses flashy flare tests and dramatic shows, keeping the project under the radar until infrastructure, pricing agreements, and offtake partners are in place.
The Thesis
➡️Predator drilled with overbalanced mud deliberately, even after proving charge at MOU-1.
➡️This allowed them to quietly accumulate a dataset of multiple wells without triggering outsized speculation or uncontrolled well events.
➡️ONHYM may have preferred this approach — to avoid international hype until Morocco was ready to politically and commercially frame Guercif gas as part of its national energy transition strategy.
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