Page 11 - MEOG Week 03 2023

MEOG PROJECTS & COMPANIES MEOG

Masirah completes drilling

campaign offshore Oman

OMAN MASIRAH Oil Ltd (MOL) has completed a two- formation at about 3,000 metres. The well
well drilling campaign that started in its Block 50 reached a total depth of 3,416 metres. Oil shows
concession offshore Oman late last year. were encountered in the Khufai and 16.5 metres
The drilling work comprised workover drill- of core was recovered from the formation. The
ing at the Yumna-3 well and the drilling of the core has been sent to a laboratory for detailed
Yumna-4 well. The former included the replace- analysis.”
ment of an electrical submersible pump (ESP) to Work to evaluate the formation could not be
raise oil production, while Yumna-4 was drilled completed owing to an issue with a wireline tool
to test the eastern extension of the Yumna field which became stuck and could not be recovered.
and an exploration target beneath the north-east As a result, analysis of cores is expected to deter-
of the field. mine whether further drilling and/or evaluation
In a press release, MOL, which holds a 100% of Khufai proceeds.
interest in Block 50, said that following the work- The Yumna-1 well was drilled in December
over, production from Yumna-3 has risen from 2019 to appraise the field and in February 2020,
3,590 barrels per day to 4,050 bpd. This provided 42 degree API crude flowed from the well at a
a full-field production of 4,673 stock tank bpd rate of 11,843 bpd.
during December. “This period includes three The field is thought to hold around 9.6mn
days of reduced production due to the Simulta- stock tank barrels of proven plus probable (2P)
neous Operations (SIMOPS) programme with reserves, according to a qualified person’s report
Yumna-4 drilling activities and two days of pro- (QPR).
duction shutdown based on demobilisation of The 16,903-square km concession was the
the drilling rig after the drilling campaign,” the location of the GA South (GAS) discovery,
company said. Oman’s first offshore find by Singapore-backed
Meanwhile, it added that Yumna-4 “was suc- Rex International Holding (RIH), which holds
cessful at the Aruma [reservoir] level, where it 86.37% of MOL. Oman’s Ministry of Energy and
penetrated 9.6 metres of net oil pay, consistent Minerals (MEM) declared the field’s commer-
with the pre-drill prognosis. The well was com- ciality in early 2021 and approved MOL’s devel-
pleted for production and has flowed at 4,050 opment plan for the asset, which was renamed
bpd. The flow rate has yet to stabilise.” Yumna.
It added: “After drilling to the Aruma tar- According to RIH, the QPR covered only 9%
get and setting a casing, the well was deepened of Block 50, for which Aker Geo and Pareto in
and directionally drilled to the north-east to 2012 estimated best estimate gross unrisked pro-
test a structural closure in the Khufai carbonate spective resources at more than 4bn barrels.™

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