GSB Wellnames
A Light Petroleum Anthropology of the Guyana–Suriname Basin
By GLIAG | Strategic interpretation, petroleum culture and basin intelligence
Written by Marcel P. T. Chin-A-Lien – Petroleum & Energy Advisor – 20th June 2026
The Guyana–Suriname Basin has become one of the most remarkable petroleum provinces of the twenty-first century. Billions of barrels of oil have been discovered, national economic futures have been reshaped, and new energy corridors are emerging. Yet one of the basin’s most overlooked stories has nothing to do with seismic amplitudes, reservoir quality or petroleum economics.
It has to do with fish.
Lots of fish.
Since the discovery of Liza-1 in 2015, Guyana’s Stabroek Block has gradually evolved into what appears to be a marine biology textbook disguised as an exploration portfolio.
Payara. Snoek. Turbot. Yellowtail. Longtail. Redtail. Tripletail. Tilapia. Haimara. Mako. Uaru. Whiptail. Pinktail. Cataback. Fangtooth. Barreleye. Seabob. Sailfin.
To a geologist, these are discoveries.
To a fisherman, they are dinner.
To an outsider, they raise an obvious question:
Why do the fish keep finding oil?
Of course, ExxonMobil never intended such an interpretation. The names simply reflect Guyana’s rich marine environment and offshore identity. Yet after discovery follows discovery, the temptation becomes irresistible.
Fish belong offshore. Fish understand currents. Fish are comfortable in deep water. Fish spend their lives floating above the very petroleum systems geologists spend decades trying to understand.
Perhaps they know something.
Across the maritime border, Suriname tells a different story.
The discoveries of Block 58 and other offshore acreage draw from a broader palette of biodiversity, language and culture.
Maka. Sapakara. Kwaskwasi. Keskesi. Bonboni. Krabdagu. Roystonea. Fusaea. Dikkop. GranMorgu.
Here, the rainforest enters the ocean. Birds fly offshore. Trees stand in deep water. Mammals accompany the drill bit. The offshore basin remains culturally connected to the country behind the shoreline.
The difference is subtle but fascinating.
ExxonMobil’s names swim.
Suriname’s names walk, climb, grow and fly.
Which leads to one of the great unresolved questions of petroleum exploration:
Why send a monkey offshore?
Take Keskesi. An intelligent animal. A charismatic animal. An admirable animal. But not, strictly speaking, a deepwater animal.
One imagines the fish arriving at a prospect and immediately recognizing the neighborhood. The monkey arrives and begins searching for trees.
The fish says: “Excellent reservoir quality.”
The monkey says: “I think we’re lost.”
Naturally, geology does not care. Hydrocarbons are indifferent to zoology. Reservoirs do not reward fish. Nor do they punish monkeys.
Yet every explorationist knows that our industry runs not only on science, but also on stories. And stories have a remarkable tendency to attach themselves to names.
I learned this lesson many years ago while working in the Dutch North Sea.
In a moment of great optimism, several offshore prospects were named after some of the world’s most magnificent deserts.
Magnificent names. Powerful names. Names that looked wonderful on maps and presentations.
The outcome?
Dry.
Bone dry.
Spectacularly dry.
The deserts, it turned out, had been honest from the beginning. The wells merely confirmed the branding.
At this point, a new scientific discipline almost suggests itself.
Not geophysics. Not petroleum geology. Not reservoir engineering.
But something else entirely.
Predictive Petroleum Onomastics: the entirely unofficial study of whether a prospect’s name secretly contains its geological destiny.
| Name Type | Unofficial Interpretation |
|---|---|
| Fish | Strong offshore potential. |
| Sharks | Aggressive upside. |
| Crabs | Reasonable nearshore economics. |
| Palm trees | Courageous but geographically ambitious. |
| Monkeys | Excellent climbers. Mixed offshore performance. |
| Deserts | Proceed with caution. |
Naturally, none of this is supported by science.
Which brings us to the most famous well name in petroleum history.
Macondo.
BP’s ill-fated Gulf of Mexico prospect borrowed its name from the fictional village in Gabriel García Márquez’s masterpiece One Hundred Years of Solitude.
In literature, Macondo is a place of wonder, destiny, repetition, tragedy and magical realism.
In petroleum history, Macondo became the site of the 2010 blowout that released approximately 4.9 million barrels of oil into the Gulf of Mexico and ultimately cost BP more than US$60 billion.
No petroleum engineer believes in curses. No geologist believes names influence outcomes.
Yet if the industry ever establishes a Museum of Unfortunate Well Names, Macondo deserves an entire wing.
The irony is simply too powerful.
Beneath the humor lies something genuinely interesting.
This essay is not really about fish. Nor is it about monkeys. And it is certainly not about magical curses.
It is about how explorers imagine the places they explore.
Well names are cultural fingerprints. They reveal how companies perceive a basin.
ExxonMobil’s naming tradition suggests a company psychologically immersed in the offshore environment itself. Fish dominate. Marine life dominates. The ocean becomes the organizing principle. The basin is imagined from the sea outward.
The names swim.
Suriname’s naming tradition feels different. The rainforest travels offshore. Birds, trees, mammals and local languages accompany the exploration campaign into deep water. The basin is imagined from the land toward the sea.
The country follows the drill bit.
Neither approach is right. Neither approach is wrong. They simply tell different stories.
One company sees an ocean.
The other sees a nation.
That may be the most interesting discovery of all.
Because well names are among the few places where petroleum companies unintentionally reveal their imagination.
Nobody names a prospect after porosity. Nobody names a discovery after source-rock maturity. Nobody christens a billion-dollar deepwater prospect “Upper Campanian Structural Closure A.”
Instead they choose symbols. Animals. Plants. Places. Legends. Stories.
And in doing so, they quietly leave pieces of themselves on the map.
Which brings us back to the Guyana–Suriname Basin.
Perhaps the fish did not discover the oil. Perhaps the monkeys were not disadvantaged. Perhaps the deserts were merely unlucky. And perhaps Macondo was simply a tragic coincidence.
But after a decade of discoveries, billions of barrels, countless wells and more than a few memorable dry holes, one unofficial GLIAG doctrine deserves consideration:
The science explains the discoveries.
The names explain the explorers.
The barrels explain the basin.
The stories explain why we remember it.
And if there is one final lesson hidden beneath the seabed of the Guyana–Suriname Basin, it may simply be this:
Fish appear remarkably comfortable finding hydrocarbons offshore.
Monkeys remain unconvinced.
Deserts rarely disappoint.
And every now and then, a well name tells a story long before the drill bit reaches total depth.
ExxonMobil Guyana discovery chronology and Stabroek Block developments; APA Corporation and TotalEnergies Block 58 exploration history; Deepwater Horizon / Macondo investigation reports; Gabriel García Márquez, One Hundred Years of Solitude.GLIAG
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