Tamar natural gas rig 370.
(photo credit: Albatross)
Stakeholders in a potential new natural gas reservoir announced significant
signs of hydrocarbons in the field, based on tests carried out during
exploratory drilling trials.
Although the partners involved in exploring
the new field – called Tamar Southwest – have not announced an updated estimate
as to the quantity of gas in the reservoir, before drilling began in August,
they released a Tel Aviv Stock Exchange report on Tuesday estimating that the
field would contain approximately 19 billion cubic meters of gas.
Southwest, as its name indicates, is located southwest of the much larger, 282b.
cu.m. Tamar reservoir and southeast of the even larger, roughly 535b.
cu.m. Leviathan reservoir.
Because the Tamar Southwest reservoir is
located mostly within the Tamar license block, but also overlaps with the Eran
license block – the block sandwiched between the Tamar and Leviathan gas fields
– Tamar partners will own an 80 percent share of Tamar Southwest, while the
Leviathan partners will hold a 20% share.
At Tamar, Houston-based Noble
Energy holds 36%, Delek Drilling and Avner Oil Exploration – both subsidiaries
of the Delek Group – own 15.625% each, while Isramco owns 28.75% and Dor Gas
At Leviathan, Noble Energy owns 39.66%, Delek Drilling and Avner
Oil Exploration each own 22.67% and Ratio Oil Exploration holds 15%.
tests used to draw the conclusion that significant amounts of petroleum are
likely present in the reservoir involved “logging while drilling” – acquiring
real time data during drilling – techniques, which showed that the target
drilling layer probably contains natural gas, the companies explained in their
At this stage, drilling activities to reach the final target
depth are taking place, after which drillers will execute works for the
stabilization and preservation of the drilling hole, the companies said. This
will enable the explorers to initiate “wireline logging” examinations, which
will include electrical, seismic and magnetic tests.
that there is likely a significant presence of natural gas in the Tamar
Southwest reservoir, the companies acknowledged that “at this stage there are
only estimates and assumptions, which contain no certainty.”
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