Economy
Nembe Oil Spill: Expert Wants Preservation of Failed Wellhead for Analysis
By Adedapo Adesanya
An American university professor, Rick Steiner, has said between 532,000 and 1,064,000 barrels of crude oil has been spilt in the Nembe Oil Mining Lease (OML) 29 blowout, making the blowout one of the largest in world history.
Mr Steiner in a letter to the Nigerian National Petroleum Corporation (NNPC) Limited advised that the failed wellhead of the Nembe oil spill should be preserved for independent engineering forensic analysis to determine the cause of failure.
The professor, who is the Technical Advisor to the Ijaw Diaspora Council, said the failed wellhead should be assessed by either the US offshore oil regulatory agency, the Bureau of Safety and Environmental Enforcement (BSEE) and or Det Norsk Veritas (DNV) in Norway.
He maintained that the Nembe spill was much larger than government and industry statements suggest to date, and it would be prudent to correct those estimates.
“I understand that the Nembe OML 29 blowout may have been killed as of December 8, 2021, and as Technical Advisor to the Ijaw Diaspora Council, I wanted to provide you with my estimate of total discharge.
“If we assume 1-2 cubic feet of discharge per second (a very reasonable assumption), and that the blowout first occurred on November 1 (as reported by the Nembe communities), then the release lasted for a total of 38 days. This would have released a total of 532,000 barrels – 1,064,000 barrels of oil and gas, making the Nembe OML 29 blowout one of the largest in world history.
“Now that the blowout has apparently been killed, I urge you to preserve the failed wellhead for independent engineering forensic analysis to determine the cause of failure. The wellhead must be preserved as evidence, in standard criminal evidentiary procedures, to prevent any further alteration or adulteration, and then submitted to independent assessment.
“The people of Nigeria clearly deserve an independent assessment of what caused this catastrophic failure, and this is essential in preventing a repeat of this catastrophic failure in the future.
“I encourage the failed wellhead infrastructure to be assessed by either the U.S. offshore oil regulatory agency – the Bureau of Safety and Environmental Enforcement (BSEE) and/or Det Norsk Veritas (DNV) in Norway.
“Absent of a rigorous chain-of-custody, evidentiary preservation process for the failed equipment, and independent forensic evaluation, the true cause of the failure will never be conclusively determined.”
The university don regretted that the oil industry and government have been in the negative habit of underestimating oil spill volume, as was clearly seen in the 2010 United States’ deepwater horizon.
“A good example of the industry/government habit to underestimate spill volume was the 2010 Deepwater Horizon here in the U.S. BP and the US government first stated the flow rate from the failed seabed wellhead was 1,000 – 5,000 bbls/ day, and they clung to that estimate for some time (even though their internal engineers, and we, told them the flow was much higher).
“When an exact measure was finally conducted, using Particle Image Velocimetry and other engineering methodologies (by the Flow Rate Technical Group), the Macondo blowout outflow was put at 62,000 bbls/day. Again, this seems to always happen with spill volume estimates.”
By Adedapo Adesanya
The duo of FrieslandCampina Wamco Nigeria Plc and Geo-Fluids Plc weakened the NASD Over-the-Counter (OTC) Securities Exchange by 0.12 per cent on Monday, March 16.
FrieslandCampina Wamco Nigeria Plc lost N1.45 during the session to sell at N123.55 per share versus the previous price of N125.00 per share, and Geo Fluids Plc depreciated by 5 Kobo to N3.05 per unit from N3.10 per unit.
The losses recorded by the two securities lowered the market capitalisation by N8.88 billion to N2.480 trillion from N2.489 trillion, and crashed the NASD Unlisted Security Index (NSI) by 14.86 points to 4,145.60 points from 4,160.46 points.
On the first trading day of the week, the value of securities transacted by investors went up by 10.8 per cent to N33.2 million from N29.9 million, but the volume of securities dipped 97.5 per cent to 265,610 units from 10.4 million units, and the number of deals decreased by 43.5 per cent to 26 deals from 46 deals.
At the close of trades, Central Securities Clearing System (CSCS) Plc was the most active stock by value on a year-to-date basis with 38.6 million units sold for N2.4 billion, followed by Okitipupa Plc with 6.4 million units traded for N1.2 billion, and FrieslandCampina Wamco Nigeria Plc with 6.5 million units worth N609.6 million.
Resourcery Plc closed the day as the most traded stock by volume on a year-to-date basis with 1.1 billion units valued at N415.6 million, trailed by Geo-Fluids Plc with 130.8 million units transacted for N504.5 million, and CSCS Plc with 38.6 million units exchanged for N2.4 billion.
By Adedapo Adesanya
The Naira opened the week stronger against the United States Dollar in the Nigerian Autonomous Foreign Exchange Market (NAFEX) on Monday, March 16, by N8.46 or 0.62 per cent to trade at N1,357.77/$1 compared with the previous session’s N1,366.23/$1.
In the same vein, the local currency appreciated against the Pound Sterling in the same market segment yesterday by N23.45 to quote at N1,789.54/£1 compared with last Friday’s value of N1,812.99/£1, and improved its value against the Euro by N9.72 to N1,558.31/€1 from N1,568.03/€1.
Similarly, the Naira gained N5 against the greenback in the parallel market during the trading session to sell for N1,395/$1 compared with the previous rate of N1,400/$1, and closed flat at the GTBank FX desk at N1,385/$1.
The pressure that piled on the domestic currency appeared to have eased, buoyed by higher oil prices, which have continued to bolster market sentiment.
A report by Coronation Merchant Bank Research said Brent crude prices advanced by 11.16 per cent week-on-week, rising from $91.00 per barrel to close at $101.16 per barrel amid escalating geopolitical tensions in the Middle East.
The bank noted that developments in the region heightened concerns about potential disruptions to global oil supply, increasing volatility in energy markets.
Nigeria recorded modest portfolio inflows as investors sought higher-yielding opportunities, but the inflows helped support liquidity in the FX market and contributed to the Naira’s recovery during the past week.
Also, Nigeria’s inflation cooled to 15.06 per cent in February 2026 from 15.10 per cent in January 2026, data from the National Bureau of Statistics (NBS) showed.
As for the cryptocurrency market, prices continued to weigh the tensions around the Strait of Hormuz — a critical oil shipping route between the Persian Gulf and global markets — appeared to ease slightly.
US President Donald Trump called on other nations to help secure the waterway, while some tankers reportedly have crossed the Strait, suggesting that traffic through the corridor has not been fully disrupted.
This weakened some coins, including Dogecoin (DOGE), which slumped by 1.7 per cent to $0.0998, and Cardano (ADA), which depreciated 1.6 per cent to $0.2832. Binance Coin (BNB) lost 1.5 per cent to sell for $674.25, TRON (TRX) declined by 0.6 per cent to $0.2964, and Solana (SOL) dropped 0.2 per cent to $93.66.
On the flip side, Ripple (XRP) jumped 2.2 per cent to $1.51, Ethereum (ETH) grew by 1.5 per cent to $2,302.08, and Bitcoin (BTC) appreciated by 0.1 per cent to $73,951.40, while the US Dollar Tether (USDT) and the US Dollar Coin (USDC) closed flat at $1.00 each.
By Dipo Olowookere
The All-Share Index (ASI) of the Nigerian Exchange (NGX) Limited reached an all-time high of 201,474.89 points on Monday after adding 3,067.59 points or 1.55 per cent to its previous closing figures of 198,407.30 points.
Buying pressure in three of the five key sectors sustained the upward trend on Customs Street during the trading session, analysis of the market data revealed.
The industrial goods sector appreciated by 4.52 per cent, the banking index improved by 2.20 per cent, and the consumer goods space rose by 0.03 per cent.
However, the insurance sector experienced profit-taking, which crashed it by 0.43 per cent, and the energy counter lost 0.08 per cent due to sell-offs.
When the bourse ended for the day, the market capitalisation chalked up N1.969 trillion to settle at N129.330 trillion compared with last Friday’s M127.361 trillion.
BUA Cement led the advancers’ group yesterday after growing by 10.00 per cent to N297.00, Premier Paints jumped 9.79 per cent to N21.30, John Holt expanded by 9.52 per cent to N10.35, Guinea Insurance soared by 9.38 per cent to N1.40, and Fortis Global Insurance grew by 9.32 per cent to N1.29.
On the flip side, VFD Group led the laggards’ gang after it gave up 10.00 per cent to close at N11.25, Royal Exchange shed 9.63 per cent to settle at N1.69, Omatek depreciated by 9.62 per cent to N2.35, Sovereign Trust Insurance lost 9.00 per cent to quote at N1.92, and Regency Alliance slipped by 8.94 per cent to N1.12.
Yesterday, a total of 948.2 million stocks valued at N49.2 billion were traded in 72,735 deals compared with 591.0 million stocks worth N35.0 billion transacted in 53,066 deals in the preceding session, representing an improvement in the trading volume, value, and number of deals by 60.44 per cent, 40.57 per cent, and 37.07 per cent apiece.
The activity log was led by Sovereign Trust Insurance, which traded 72.6 million equities valued at N147.1 million, Access Holdings sold 69.9 million shares for N1.8 billion, First Holdco exchanged 67.0 million stocks worth N3.4 billion, Zenith Bank transacted 60.0 million equities valued at N6.0 billion, and Nigerian Breweries exchanged 55.0 million shares worth N4.0 billion.
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