Cases / Oil spill · Nigeria · 1958–2026
Ogoniland and Bodo spills clean-up (SPDC, HYPREP)
Nature's voice · report
No measurement of the harm done to me here is on record.
Did nature suffer? Not measured. Disputed
What the record lacks: 7 none on record · 5 insufficient · 1 not measured · 3 disputed · 2 unclear See the gaps
Accounts of the harm differ
Was the clean-up delayed, and were its contractors qualified?
- Communities and civil society Friends of the Earth Europe, citing Amnesty International and others: The clean-up was delayed and progress figures were inconsistent (2020). Friends of the Earth Europe
- Researchers LSE Africa blog: Contracts worth 690 million naira went to firms lacking qualifications, and UNEP expressed distrust of HYPREP (November 2022). LSE Africa blog
- International bodies UNEP: Estimated in 2011 that the clean-up would take 25–30 years and asked for US$1 billion for the first five years. UNEP, copy on Climate Diplomacy
In 2011 the UN Environment Programme assessed oil contamination in Ogoniland, Nigeria, and recommended a clean-up it estimated at 25 to 30 years, with US$1 billion for the first five years. Later reports describe a delayed clean-up, disputes over contractors and the cause of spills, and the 2025 sale of Shell's onshore subsidiary SPDC.
More than 900× estimateBenzene in well water at Nisisioken Ogale, measured by UNEP (2011)
Multiple of the World Health Organization guideline value. UNEP estimated a clean-up of 25–30 years.
Multiple of the World Health Organization guideline value. UNEP estimated a clean-up of 25–30 years.
Status As of 2026: clean-up reported as delayed and disputed; SPDC sold to Renaissance on 13 March 2025; no payment totals or independent audit of clean-up figures found.
What?
UNEP found oil contamination in Ogoniland, Nigeria, including benzene in well water at more than 900 times the WHO guideline, and recommended a 25–30 year clean-up; later reports describe a delayed and disputed clean-up. UNEP, copy on Climate Diplomacy
Where?
Ogoniland in the Niger Delta region of Nigeria, including Nisisioken Ogale; the Bodo community. UNEP, copy on Climate Diplomacy
When?
UNEP's assessment was published on 4 August 2011; the sources on the clean-up run to 2026. UNEP, copy on Climate Diplomacy
Who?
Gained
- Contractors awarded 690 million naira of clean-up contracts — Received contracts that the LSE Africa blog reported were awarded to firms lacking qualifications. LSE Africa blog
- Shell — Completed the sale of SPDC to Renaissance on 13 March 2025; openDemocracy reported Shell-provided financing and a transfer of liabilities as part of the exit. Shell
Lost
None on recordHarmed
- Residents of Ogoniland drinking from contaminated wells — UNEP measured benzene in well water at more than 900 times the WHO guideline value. UNEP, copy on Climate Diplomacy
Why?
UNEP recommended the clean-up after finding contamination. The cause of spills is disputed: Shell's position is that most are sabotage, while Amnesty International reported that company-run investigations determine cause.
How?
The clean-up was run by HYPREP and was to be funded by a US$1 billion fund, with US$900 million pledged by the SPDC joint venture over five years. BusinessDay
6 of 6 questions answered from the record
What happened
The record, in order.
In August 2011 the UN Environment Programme (UNEP) published an assessment of oil contamination in Ogoniland, in the Niger Delta region of Nigeria. A UNEP bulletin said the work covered more than 200 sites and more than 4,000 samples. UNEP measured benzene in well water at Nisisioken Ogale at more than 900 times the World Health Organization guideline value, and reported a layer of refined oil about 8 cm thick on the groundwater.
UNEP estimated that restoring Ogoniland would take 25 to 30 years and asked for a US$1 billion fund for the first five years. According to a later account of the findings, the surface clean-up method used by Shell's subsidiary SPDC was found ineffective, and contamination was at least five metres deep at 49 locations. Shell had halted production in Ogoniland in 1993.
BusinessDay reported that the SPDC joint venture, in which the state oil company NNPC holds 55%, would contribute US$900 million of the proposed US$1 billion over five years, with a first instalment of US$180 million. The clean-up was run by the Nigerian agency HYPREP. A report by Friends of the Earth Europe in November 2020, drawing on Amnesty International and others, described the clean-up as delayed and its progress figures as inconsistent. In November 2022 the LSE Africa blog reported that clean-up contracts worth 690 million naira had been awarded to firms lacking the required qualifications, and that UNEP had expressed distrust of HYPREP.
The cause of spills in the Niger Delta is contested. Shell's position, as reported in the sources reviewed, is that most spills are caused by sabotage. Amnesty International reported in November 2013 that the cause of a spill is determined by a joint investigation run by the companies, that a sabotage finding lowers compensation, and that it found examples of wrong attribution. A March 2022 figure records that more than 75% of spills since 2016 were attributed to theft and sabotage. In December 2020 the Dutch programme Zembla alleged that SPDC employees had young people puncture pipelines and then hired them for clean-up work; Shell said it was not aware of this, and the sources reviewed give the allegation as unproven.
Shell completed the sale of SPDC to Renaissance on 13 March 2025. In February 2025 the Associated Press reported that Nigeria was moving to restart oil production, with a return to production in Ogoni under discussion. In July 2024 openDemocracy reported on the financing and transfer of liabilities in Shell's exit, citing a US$1.2 billion loan, US$1.3 billion of decommissioning financing, a settlement for the Bodo community of £55 million and a London case brought by 13,000 farmers and fishermen.
- 1993Shell halts production in Ogoniland
- 2011UNEP publishes its Ogoniland oil assessment (4 August): benzene in well water at Nisisioken Ogale more than 900 times the WHO guideline; 25–30 year clean-up; US$1 billion first-five-year fund proposed
- 2013Amnesty International reports on how spill causes are determined and on sabotage attribution (November)
- 2015A report by SDN says pipeline vandalism was partly fed by the easy money in monitoring and clean-up contracts (November)
- 2016From this year, more than 75% of spills are attributed to theft and sabotage (figure reported March 2022)
- 2020Friends of the Earth Europe report on the delayed clean-up (November); Zembla report on alleged pipeline damage by SPDC employees (December)
- 2022LSE Africa blog: clean-up contracts of 690 million naira awarded to firms lacking qualifications; UNEP reported to distrust HYPREP (November)
- 2024openDemocracy reports on Shell's exit financing, the Bodo settlement and a London case by 13,000 farmers and fishermen (July)
- 2025AP reports Nigeria's move to restart oil production, including in Ogoni (February); Shell completes the sale of SPDC to Renaissance (13 March)
What was said
Claims, in the words of those who made them.
Where accounts differ
Each party's account, side by side, with its source. The record does not settle these points; it shows them.
What causes the oil spills, and does the attribution affect compensation?
Company or project
Shell
Most Niger Delta spills are caused by sabotage (position reported in the sources reviewed).
Communities and civil society
Amnesty International
The cause is determined by a joint investigation run by the companies, a sabotage finding lowers compensation, and there were examples of wrong attribution (November 2013).
Press and investigations
Research file (March 2022)
More than 75% of spills since 2016 were attributed to theft and sabotage.
Was the clean-up delayed, and were its contractors qualified?
Communities and civil society
Friends of the Earth Europe, citing Amnesty International and others
The clean-up was delayed and progress figures were inconsistent (2020).
Friends of the Earth EuropeResearchers
LSE Africa blog
Contracts worth 690 million naira went to firms lacking qualifications, and UNEP expressed distrust of HYPREP (November 2022).
LSE Africa blogInternational bodies
UNEP
Estimated in 2011 that the clean-up would take 25–30 years and asked for US$1 billion for the first five years.
UNEP, copy on Climate DiplomacyDid SPDC employees cause pipeline damage that then generated clean-up work?
Press and investigations
Zembla (Dutch television)
Alleged that SPDC employees had young people puncture pipelines and then hired them for clean-up work (December 2020); the sources reviewed give the allegation as unproven.
PGJ OnlineCommunities and civil society
SDN
Reported in 2015 that pipeline vandalism was partly fed by the easy money in monitoring and clean-up contracts.
How it looked
What was shown, beside what was recorded.
Shown
- A US$1 billion Ogoni clean-up fund, of which US$900 million from the SPDC joint venture over five years, with a first instalment of US$180 millionAs reported by BusinessDay · BusinessDay
- The position that most Niger Delta oil spills are caused by sabotageShell, as recorded in the sources reviewed
Recorded
- Benzene in well water at Nisisioken Ogale above 900 times the WHO guideline value; an 8 cm layer of refined oil on groundwater; more than 200 sites and more than 4,000 samples; a 25–30 year clean-up and a US$1 billion first-five-year fund recommended (UNEP, August 2011)
- SPDC's surface clean-up method found ineffective; contamination at least five metres deep at 49 locations
- Clean-up described as delayed, with inconsistent progress figures (report by Friends of the Earth Europe, 2020, citing Amnesty International and others)
- Clean-up contracts worth 690 million naira awarded to firms lacking qualifications; UNEP reported to distrust HYPREP (November 2022)
- The cause of a spill is determined by a joint investigation run by the companies; a sabotage finding lowers compensation; Amnesty International found examples of wrong attribution (November 2013)
- More than 75% of spills since 2016 attributed to theft and sabotage (reported March 2022)
- SDN (2015): pipeline vandalism partly fed by the easy money in monitoring and clean-up contracts
Who gained
Money that reached nature, beside money that stayed elsewhere.
Reached nature or the ground
Not published
Fund proposed by UNEP for the first five years (proposal, not payment)$1bn
Share of the fund pledged by the SPDC joint venture over five years (pledge, not payment)$900m
First instalment of the fund as reported (pledge, not payment)$180m
The same BusinessDay article's headline refers to US$200 million in year one.
Gained elsewhere
Not totalled
Currency: USD · Window: 2011–2026. All figures cover the same period. * Estimate built from cited figures.
Responses on record
- Shell (December 2020): Said it was not aware of the alleged puncturing of pipelines by SPDC employees. · PGJ Online
- Shell (Undated in the sources reviewed): Position reported in the sources reviewed that most Niger Delta spills are caused by sabotage.
- UNEP (November 2022): Reported to have expressed distrust of HYPREP. · LSE Africa blog
In court and with insurers
Every proceeding and every insurer decision on record.
Lawsuits and rulings
- Settled£55000bn £55 millionBodo community settlement with ShellNot specified in the sources reviewed · Civil · Bodo community → Shell (as listed in the report on the SPDC sale)
A settlement of £55 million for the Bodo community is listed in an openDemocracy report on Shell's exit from Nigeria. The year and terms not on record. openDemocracy via Resilience
- Outcome not on recordLondon case by about 13,000 farmers and fishermenLondon (court not specified in the sources reviewed) · Civil · About 13,000 farmers and fishermen (community not specified) → Not specified in the sources reviewed
Listed in an openDemocracy report on Shell's exit from Nigeria; the sources reviewed give no further detail on the claimants' community, the defendant or the status of the case. openDemocracy via Resilience
Insurers
No insurer decision on record.
What nature saw
Outcomes measured on the ground, and nature's note.
Nature's report opens this page. Below: further outcomes measured on the ground.
Benzene in well water at Nisisioken Ogale (2011)
More than 900×
Multiple of the WHO guideline value (UNEP)
Estimated time to restore Ogoniland
25–30 years
UNEP, 2011
Locations with contamination at least 5 m deep
49
UNEP findings, as reported; SPDC's surface method found ineffective
Independent audit of HYPREP's clean-up figures
None identified
The research file records no independent audit
What we don't know
Undisclosed, unproven, untried: recorded as data.
Nature
- Not measured Harm to nature: The record holds no measurement of harm to nature.
- Disputed Was the clean-up delayed, and were its contractors qualified?
Court
- Unclear London case by about 13,000 farmers and fishermen: outcome not on record.
Figures
- Insufficient Restoration spending: Appears in an evidence row for a 2020 report without the report being named.
- Insufficient Sites cleaned hyprep: HYPREP's own statement after 15 years, reported by Guardian Nigeria; not independently verified.
- Insufficient Spdc sale value: Figure listed against the AP report of February 2025; the sources reviewed does not label it as the sale price.
Accounts
Record
- Unclear Whether the statement that HYPREP had cleaned 30 of 65 sites after 15 years (reported by Guardian Nigeria, 2026) is accurate: it is the agency's own figure, unverified, and no independent audit of HYPREP's figures has been identified.
- Insufficient Reported but not independently verified: that UNEP stated in 2019 that HYPREP was not designed for the task (HumAngle).
- Insufficient Reported but not independently verified: that Shell financed part of the UNEP assessment.
- None on record Reported in a secondary summary only: an AllAfrica report of May 2026 that the Ogoni fund is running out.
- None on record How much of the pledged fund was paid and spent: the sources give pledges (US$900 million from the SPDC joint venture; a first instalment of US$180 million). A figure of about US$30 million spent by 2020 appears without a named report.
- None on record The first instalment is given as US$180 million in the text and US$200 million in the headline of the same BusinessDay article.
- None on record The forum, claimants' community and status of the London case by 13,000 farmers and fishermen are not given in the sources.
- None on record The Zembla allegation about SPDC employees is unproven.
- None on record The environmental conditions attached to the sale of SPDC are not clear in the sources, and a restart of Ogoni production under discussion by the government is not confirmed.
- None on record No data on personal criminal penalties arising from the spills.
Did the harm stop?
Shell halted production in Ogoniland in 1993. Spills were still being reported after 2016, and the clean-up UNEP recommended in 2011 was reported as delayed.
Who paid?
Not established in the sources. The SPDC joint venture, in which NNPC holds 55%, pledged US$900 million of the proposed US$1 billion fund; the sources do not say how much was paid.
Sources
Voices on record: ✓ Company or project— Government and regulators— Courts✓ Press and investigations✓ Communities and civil society✓ Researchers✓ International bodies
Company or project
- Shell completes sale of SPDCShell · 2025-03-13
Press and investigations
- HYPREP not capable of handling Ogoni clean-up project, says UNEPHumAngle · undated in sources reviewed
- 200m year one Ogoni clean-up fund readyBusinessDay · undated in sources reviewed
- Nigeria moves to restart oil production, including in Ogoni (AP, via Yahoo)Associated Press via Yahoo · 2025-02-03
- Is Shell's exit from Nigeria a front to dodge legal responsibilities? (openDemocracy, via Resilience)openDemocracy via Resilience · 2024-07-15
Communities and civil society
- No Clean-Up, No JusticeFriends of the Earth Europe · 2020-11
Researchers
- Corruption and mismanagement may derail cleanup of Niger DeltaLSE Africa blog · 2022-11-22
International bodies
- UNEP Ogoniland oil assessment reveals extent of environmental contamination (UNEP bulletin via Climate Diplomacy)UNEP, copy on Climate Diplomacy · 2011-08-04
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- Ken Saro-Wiwa and the Ogoni Nine; Wiwa v Shell Nigeria · 1958–2026 Related matter
- Shell (Company) — here: Parent of SPDC; halted Ogoniland production in 1993; sold SPDC to Renaissance in March 2025; there: Operator through SPDC; defendant in Wiwa v Shell and the Dutch case; sold SPDC in 2025
- SPDC (Shell's Nigerian subsidiary) (Company) — here: Shell's Nigerian joint venture, the polluter named in the clean-up fund; there: Shell's Nigerian subsidiary; joint venture partner with NNPC (55%)
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- HYPREP (Ogoni clean-up agency) (Public authority) — here: Nigerian agency running the Ogoniland clean-up; there: Ogoni clean-up agency
- UN Environment Programme (International organisation) — here: Author of the 2011 assessment and fund proposal; there: Author of the 2011 Ogoniland assessment
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