Chariot has announced the presence of “significant gas accumulations in the appraisal and exploration objectives of the Anchois-2 well with a calculated net gas pay totalling more than 100metres, compared to 55metres in the original Anchois-1 discovery well”.
Anchois-2 was drilled on the Anchois field within the Lixus licence offshore Morocco. Chariot has a 75% interest and operatorship of Lixus in partnership with the Office National des Hydrocarbures et des Mines (ONHYM) which holds a 25% interest.
The company says the well, which was spud in late December 2021, has been safely and efficiently drilled to a total measured depth of 2,512m by the Stena Don drilling rig in 381metres of water.
The AIM listed minnow says it undertook a comprehensive evaluation of the well through wireline logging, including petrophysical evaluation, subsurface formation testing including reservoir pressures and gas sampling, sidewall cores and well bore seismic profiles.
Its results are summarised as follows:
Appraisal Target
Gas Sand B has a calculated total net gas pay of more than 50m in two stacked reservoirs of similar thickness. The upper reservoir is a continuation of a reservoir drilled in the original discovery well, Anchois-1, with the lower reservoir being newly identified.
Exploration Targets
Gas Sands C, M & O were successfully encountered with multiple gas-bearing intervals across a gross interval of 250m measured distance with no water-bearing reservoirs identified, materially exceeding pre-drill expectations.
- Previously discovered Gas Sand A was not targeted in the Anchois-2 well, due to the intention of evaluating it in the subsequent Anchois-1 re-entry operations, however, the Anchois-2 well encountered gas bearing sands at this level providing important additional subsurface data.
- High quality reservoirs were encountered in all gas sands.
- Further analysis will be undertaken to fully understand the positive implications on:
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- Gas resources within the expanded Anchois field and the scale of the potential gas development.
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- De-risking of numerous additional material exploration prospects within the Lixus licence area with similar seismic attributes to the Anchois discovery now considered to be low risk.
- The well will now be suspended for potential future re-entry and completion as a production well in the development of the field.
- The Stena Don rig will then move to the Anchois-1 gas discovery well to perform re-entry operations with the objectives of assessing the integrity of the previously drilled well, and if successful, providing a future potential production well for the development of the field.
