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Sound Energy Morocco update sketches in some interesting detail

28 Jan 2019

It confirmed Monday it is likely to “revise up” the net pay estimate of sands found under the main TAGI play, which currently stands at 10.5 metres

Sound energy PLC (LON:SOU) has sketched in some interesting detail drawn from its TE-10 well in the Tendrara area of Morocco.

It confirmed Monday it is likely to “revise up” the net pay estimate of sands found under the main TAGI play, which currently stands at 10.5 metres.

This follows closer analysis of this gas-bearing horizon.

At the same time Sound said its testing programme for TE-10 will include well stimulation, with the kit required already on its way from Libya and Tunisia.

The first stage of the testing programme will begin early next month, assessing a cross-section from 1,899 metres measured depth to 2,070 metres.

Sound’s contractors will conduct a series of flow tests on multiple intervals “to establish the presence of deepest moveable gas, and reduce the range of uncertainty on gas resource volumes”.

The plan, once the stimulation equipment has arrived, is to mechanically stimulate the most prospective reservoir zones in a series of production flow tests. This is expected to take at least a month.

The company said that based on the current assessment of the reservoir section, a flow rate of 1.5-2mln standard cubic feet of gas per day is likely to be commercial.

“This commerciality threshold would be materially lower if the stratigraphic upside materialises as the TE-10 development would, in that case, be a standalone development,” it added.

Largest target

For Sound, the North East Lakbir stratigraphic trap is the most material of TE-10's two targets.

It had pre-drill mid case potential of a gross 2.7 trillion cubic feet of gas originally in place and a high-end estimate of 4.5Tcf.

The company said seismic test and modelling to provide an updated resource estimate should be completed by mid-February.

It has previously confirmed that the gas shows observed during drilling extended below the currently mapped structural closure, suggesting that the gas accumulation may extend further than previously thought.

Stratigraphic trap

A stratigraphic trap is effectively a sealed geologic container capable of retaining hydrocarbons.

It is formed by changes in rock type or pinch-outs, unconformities, or sedimentary features such as reefs.

In the same update, Sound said it and its partners continued to make “good progress” with the commercialisation of the TE-5 Horst discover, which is being developed as a 66mln cubic feet a day operation.

Finally, a well location has been selected for TE-11, subject to partner approvals, which will target a Palaeozoic high in the northern area of the Greater Tendrara licence.

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