In 2013, HRT Participações em Petróleo S.A. announced that it had found light oil from Namibia’s Wingat-1 well.
There was one man – Dr Marcio Rocha Mello, a Brazilian petroleum geologist and visionary entrepreneur, who had taken Namibia’s oil story from speculation to scientific proof.
Born and educated in Brazil, Dr Mello rose through the ranks at Petrobras, Brazil’s state oil company, where he became one of its leading experts in petroleum systems and basin modelling.
His career coincided with Brazil’s growing understanding of its pre-salt reserves — vast oil fields locked beneath layers of salt offshore in the Santos and Campos Basins.
At Petrobras, Mello pioneered advanced techniques in organic geochemistry and source rock analysis, building his reputation as an expert in how oil is generated and trapped beneath the earth’s crust. But after more than two decades at Petrobras, he wanted to apply that knowledge on a global scale.
Founding HRT — a vision beyond Brazil
In 2009, Mello founded HRT Participações em Petróleo S.A. with a bold vision: to explore for oil in “conjugate margin” basins — regions on opposite sides of the Atlantic that were once geologically connected before the continents drifted apart.
He believed that the South Atlantic’s geological symmetry meant that oil systems in Brazil’s Santos Basin should have mirror-image equivalents on Africa’s west coast, in countries such as Namibia and Angola. If Brazil’s offshore pre-salt had yielded billions of barrels, Mello reasoned, then Namibia’s offshore basins could do the same.
With investor enthusiasm high after Brazil’s oil boom, HRT quickly raised hundreds of millions of dollars through listings on the São Paulo and Toronto stock exchanges.
Within two years, it became one of Latin America’s most talked-about exploration companies.
The Namibia gamble
Mello’s most audacious move came in 2010, when HRT entered Namibia through its subsidiary HRT Africa Ltd. The company acquired ten offshore Petroleum Exploration Licences (PELs 23–32) across the Walvis and Orange Basins, covering more than 80,000 square kilometres — making it one of the largest offshore acreage holders in the world at the time.
Under Namibia’s local partnership rules, HRT partnered with Kunene Energy (Pty) Ltd, owned by Namibian businessman Knowledge Katti, and the National Petroleum Corporation of Namibia (NAMCOR), each holding 10% carried interests.
To Mello, Namibia represented not only a geological twin of Brazil, but also a political and economic opportunity — a frontier state eager to prove its oil potential. His message to investors was electrifying and straightforward: “What we found in Brazil, we can find again across the Atlantic.”
The three wells that defined a legacy
By 2013, HRT launched a US$200 million drilling campaign in partnership with Portugal’s Galp Energia, which farmed into three licences.
The company drilled three wells — Wingat-1, Murombe-1, and Moosehead-1 — marking Namibia’s first serious deepwater exploration effort.
Wingat-1, spudded in March 2013, made history when it recovered light, 38°–42° API oil to the surface — the first ever in Namibia’s offshore history.
Although the accumulation was too small for production, it proved that Namibia’s offshore basins contained an active petroleum system.
For Mello, it was a scientific triumph but a commercial heartbreak. The following wells, Murombe-1 and Moosehead-1, encountered good geological structures but no oil traps.
Investors, expecting a billion-barrel discovery, were unforgiving. HRT’s share price collapsed by more than 90%, and critics called the campaign a failure.
The collapse of HRT
By late 2013, the company that had once been worth billions was in crisis. HRT’s debts mounted, its assets underperformed, and the Namibian campaign — though geologically promising — failed to deliver the commercial success needed to sustain investor confidence.
In 2014, under immense financial pressure, HRT merged with PetroRio, another Brazilian oil firm, effectively ending Mello’s control over the company he had founded. The merger marked the end of HRT’s Namibian chapter and of Mello’s dream to turn geological symmetry into an oil empire.
A lasting scientific legacy
Despite its commercial collapse, Mello’s work left a profound legacy. His team collected one of the most comprehensive geological datasets ever assembled for Namibia’s offshore basins — including well logs, core samples, and 3D seismic data — which today underpin the exploration successes of Shell, TotalEnergies, and Galp.
The Barremian–Aptian Kudu shale, first identified and analysed by HRT’s geologists, is now recognised as the principal source rock feeding Namibia’s modern oil discoveries. In scientific terms, Mello was right — Namibia’s geology was indeed a mirror of Brazil’s. He just arrived before the technology, capital, and timing were ready.
A pioneer remembered
Today, as Namibia stands on the cusp of joining the ranks of oil-producing nations, Dr Marcio Mello’s name surfaces again — not in headlines, but in the technical footnotes of every discovery.
The seismic grids and source rock models that his team built in 2013 continue to guide the next generation of explorers.
He may have left Namibia without a barrel of oil, but Mello proved something priceless: that beneath the sands and salt layers of the Atlantic margin, Namibia’s oil was real.
A visionary geologist ahead of his time, Dr Mello’s story is one of ambition, risk, and scientific conviction — the story of a man who looked at the Atlantic Ocean and saw not separation, but a mirror.


















