The Frontier Exploration Services
(FES) Unit of the NNPC, the Nigerian
state hydrocarbon company, has
awarded contracts to Halliburton to
run drill stem tests (DSTs) and tubing
conveyed perforation (TCP) on the
Kolmani River-2, in Bauchi State, in the
Gongola Basin, in the country’s
northeast.

Kolmani-River-2 is being drilled to
appraise the 1999 gas discovery made
by Shell in Kolmani River-1. The Anglo
Dutch major drilled the discovery well
to a depth of 3,000metres (9,842feet),
and Kolmani River-2 is planned to go
close to 5,000feet deeper, to
4,350metres (14,270feet) than that,
even though the location of the
appraisal well is updip of the discovery
well.

Shell didn’t test the discovery well, but
went ahead and booked 33Billion
standard cubic feet of gas as possible
estimated recoverable reserves, based
on some petrophysical results. NNPC,
however, aims to collect as much
geosicentific data as possible. “We are
taking lots of sidewall cores, lots of
fluid samples for PVT. The results are
looking good.” The new well is being
drilled by the Drillog operated Rig 101.


A commercial sized pool of hydrocarbon
in Northern Nigeria will change the
entire dynamics of politics in Africa’s
largest economy.
http://africaoilgasreport.com/2019/08/oil-patch-sub-sahara/nnpc-moves-to-test-kolmani-river-2/

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