Pita Ochai
Nigeria is about to ship the first cargo of crude oil from a new deposit about 90 mi off its coast. The 1 MMbbl consignments, which will head toward the Dutch port of Rotterdam, comes at a tricky moment for the country, given a pledge to OPEC and other oil producing countries to help to avert glut of crude.
The tanker, the Achilleas, will export from a mooring linked to the Total SA-operated Egina field. When fully up and running, the European oil company anticipates flows reaching about 200,000 bpd. The kind of crude is exactly the variety the oil market needs but is also the kind that the OPEC doesn’t.
According to Bloomberg, it has an API gravity of 2.73° degrees, making it a so-called medium grade, and a very low sulfur content of 0.165%, according to Total marketing literature seen by the media agency. That will make it invaluable for making fuels that comply with international maritime organization rules to restrict shipping’s sulfur emissions starting next year.
The extra barrels come just as the country is supposed to be lowering its output by 53,000 bpd in the first half of this year as part of a wider initiative by OPEC and allied nations to restrict collective supplies. It’s supposed to pump about 1.685 MMbopd in the first half of 2019. In January, it averaged 1.792 MMbopd, according to OPEC figures.
Nigeria’s minister of state for petroleum resources, Emmanuel Kachikwu has suggested the oil might be classified as a condensate — a much lighter, more gasoline-rich oil that is not bound by the OPEC+ curbs. Condensates are hydrocarbons that are gases at reservoir temperature and pressure but condense into liquids at the surface. There is no simple way to distinguish crude and condensate once they have been extracted, as the definition relates to the type of field from which they are produced. Condensate comes from gas fields, crude from oil fields.
OPEC agreed a technical definition of condensates in 1988 that is based on API gravity, the ratio of gas to liquids in the production stream and the composition of that stream. Condensates normally have an API gravity above 45° (the higher the number, the lighter the oil). To put the 27.3 figure into context, even Brent and West Texas Intermediate crudes are both around 40 API, making them lighter than Egina.
In its January press release announcing the start of production from Egina, Total made no mention of gas, suggesting that the gas: oil ratio may be fairly low. That would reduce the likelihood of Egina meeting OPEC’s requirements for classifying its output as condensate. If that is indeed the case, then Nigeria may have a decision to make when Egina really gets going: cut output elsewhere to adhere to its OPEC pledge, or not
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