Anadarko has its eyes set on Colombia, announcing further drilling plans in the Purple Angel block, and opportunities it has identified through the Esmeralda 3D seismic survey in the area.
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Map of Gorgon, from Anadarko. |
In the company’s Q4 2016 report, Anadarko revealed the mobilization of the Bolette Dolphin vessel, to drill the Gorgon prospect, in the Purple Angel block offshore Colombia.
The company is still operating at Purple Angel-1, which was spudded in Q4. Following completion at the well, Anadarko will move to Gorgon where it will test an analogous structure along trend to the Kronos discovery.
In addition, Anadarko says it is evaluating multiple large-scale opportunities identified from the Esmeralda 3D seismic survey that covers approximately 30,000sq km. Preparations are underway to evaluate potential drilling locations for possible operations in 2018 in the high-potential area.
In the company’s Q4 2016 report, Anadarko reported a net loss of US$515 million. In full-year 2016, net cash provided by operating activities totaled $3 billion.
During the period, in December, Anadarko closed a deal with Freeport-McMoRan (FCX) to gain its deepwater Gulf of Mexico properties for $1.8 billion net of purchase-price adjustments, providing the company with the largest number of floating production facilities in the Gulf of Mexico and doubling its net sales volumes from the region to more than 160,000 boe/d.
The company announced exploration success at the Warrior prospect of 210ft of net oil pay in multiple high-quality Miocene-aged reservoirs, which is a expected to be a tieback to the company's Marco Polo facility. Anadarko says it expects to spud an appraisal well to Warrior in the Q2 2017.
A successful appraisal well was also drilled at the Phobos discovery, where Anadarko discovered more than 90ft of net oil pay in the secondary objective Pliocene-aged reservoir and approximately 130ft net of oil pay in the primary objective Wilcox-aged reservoirs. Phobos, about 12mi south of Lucius, is currently being evaluated as a potential tieback.
The Shendandoah-6 appraisal well in Walker Ridge Block 52, was spudded in December, and is designed to establish the oil-water contact on the eastern flank of the field and further quantify the resource potential. The FEED engineering on a semisubmersible development concept is ongoing as Anadarko continues appraisal drilling to delineate the opportunity.
Anadarko saw a strong performance from Lucius and Caesar/Tonga in the Gulf of Mexico during Q4, which contributed to an 8% increase in total sales volumes over the prior quarter on a same-store sales basis.
Development continues at Lucius in the Keathley Canyon, which produced an average of 80,000 boe/d during the period. According to the company, well deliverability remains excellent through favorable connectivity, with strong aquifer support and a high-quality reservoir.
At K2 in the Green Canyon (GC), field production reached an eight-year record high for the second consecutive quarter. The GC 562 #6 well was successful, reaching total depth during Q4, and is expected to be brought online in Q2 2017.
The fourth Heidelberg producer is online and expected to ramp up to 12,000 b/d, Anadarko says. The spar is now producing approximately 25,000 boe/d. A sidetrack of the fifth Heidelberg well encountered 191ft of pay (net) in the Miocene-aged reservoirs and is expected to be brought online early this year.
Plans are underway to accelerate the development of the Horn Mountain Deep, which was part of the FCX acquisition, with a well expected to spud in Q1 2017. The available tieback opportunities for each facility are currently being high graded with additional drilling already scheduled for 2017.
Development drilling is also set to begin at Constellation in Q2, with first production anticipated for late 2018. Production from Constellation is expected to be tied back to the Constitution spar.
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