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lunedì 2 febbraio 2015

The evaluations confirm the position of Algeria in 4th place

According to "algérie"
Algeria has 4.94 trillion cubic feet (TCF) of gas reserves of shale, of which 740 TCF is recoverable based on a recovery rate (RR) of 15%, according to estimates made by Sonatrach with five international oil companies Saharan basins.
These recoverable reserves were calculated for leads Ahnet, Timimoun Mouydir Illizi and Berkine, reports the APS quoted a source close to the oil company.

These first evaluations confirm the estimates of the International Energy for shale gas published in 2013, the class, Algeria in fourth in the world in terms of technically recoverable resources, immediately after the United States (including TR varies between 20 and 50% depending on the deposit), China and Argentina.

As for the reserves in liquid form (oil, condensate ...) in five cities basins, which amount to 248 billion barrels, reveals the source states that these estimates of reserves of unconventional hydrocarbons was achieved through a Plan 'action for evaluation of shale gas, which began in 2009 and develops up to 2018-2020.

These potential evaluation studies of shale gas and the design and implementation of operations fracturing and reservoir stimulation of this unconventional gas were carried out with the aid of US services company. During the first phase of this plan spread out between 2009 and 2010, the group achieved a Sonatrach regional assessment using available data (seismic mapping, logging, drilling clues ...).

In 2009, Sonatrach has managed to consolidate its material database slate acquiring additional data that helped boost volumes in place along sections targeted. Since 2011, Sonatrach conduct a thorough assessment of the operation of the potential shale gas basins Saharan to determine the most favorable areas for the implementation of pilot projects.

It is in 2013 that the group went to another phase, that of drilling pilot to know, among others, the productivity of the training and the type of frock coats to achieve, and the economic evaluation of the project. According to the same source, Sonatrach maintained for this step, the construction of three horizontal wells in the basin Ahnet with the help of three service companies, knowing he has already engaged the services of a company before the first well done, and it should also be assisted by another company for the second well.

The pilot project Ahnet should be completed by the end of 2015, says the group, which has also included in this phase of the action plan, the implementation, and from 2016 to 2020, of two pilot wells in partnership basins of Berkine and North Timimoun.
Les évaluations confortent la position de l’Algérie à la 4e place

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