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Oil spills / Analytics
NOSDRA source analysis

Nigeria Oil Spill Statistics and Trends

Explore yearly patterns in Nigeria's public oil-spill records using SpillFlare's current NOSDRA source snapshot. Annual figures count source records carrying trusted incident dates; they are not independently deduplicated counts of unique physical spill events.

Incident explorer
NOSDRA Oil Spill Monitor · calculated from trusted incident-date recordsLatest observation: 20 Oct 2026Retrieved: 1 Nov 2026
Current source snapshot

How to read these statistics

Snapshot retrieved 1 Nov 2026. The public source may be revised, so historical totals can change when the source is updated. SpillFlare preserves the source row as supplied and does not treat an operator label or reported cause as an independent finding of liability or fault.

Explore reported cause analysisExplore Niger Delta trendsRead the data and methodsReview data reuse terms
National yearly overview

Nigeria oil spill records by year

Trusted incident-date source record counts across the current snapshot (1990–2026).

Trusted incident-date source records by year
YearRecordsExplore
19902View 1990
19911View 1991
19943View 1994
20014View 2001
20023View 2002
2003
4
View 2003
20049View 2004
2005146View 2005
2006379View 2006
20071,012View 2007
20081,004View 2008
2009863View 2009
2010912View 2010
20111,093View 2011
20121,175View 2012
20131,774View 2013
20141,711View 2014
20151,084View 2015
2016799View 2016
2017711View 2017
2018850View 2018
2019937View 2019
2020618View 2020
2021691View 2021
20221,159View 2022
20231,542View 2023
20241,234View 2024
2025475View 2025
2026Current snapshot195View 2026

2026 is an incomplete current-year snapshot. Its count reflects records currently supplied by the source, not a completed calendar-year total.

Change every table, chart and metric together
Selected-year summary

2020 Nigeria oil spill record statistics

618 indexable source records carry a trusted 2020 incident date in this snapshot.

Trusted incident-date records618source rows
Incident number supplied60117 missing
Distinct normalized incident-number strings550not unique event identifiers
Report date supplied5967 differ in year
2020: 618 recordsPrevious trusted year (2019): 937-34.0% (decrease in source-record count)
Data quality context

Completeness of the selected records

These measures describe whether source fields are supplied; they are not a score for a company, state or incident.

Incident number97%601 of 618 records
Report date96%596 of 618 records
JIV date93%575 of 618 records
Estimated quantity71%441 of 618 records
Resolved state93%576 of 618 records
Operator label100%618 of 618 records
Reported cause99%610 of 618 records

Incident date and report date are different source fields. Yearly grouping uses the trusted incident date only; a report date is not used as a fallback when the incident date is missing or rejected.

Operator labels

Source records by operator label, 2020

Labels are shown as supplied. Frequency in the source dataset is not a finding of responsibility or environmental performance.

SPDC25616,387.43 bbl176 of 256 rows supplied quantity1% (3)30% (78)
NAOC1392,499.51 bbl105 of 139 rows supplied quantity1% (1)23% (32)
Eroton E&P414,856.88 bbl19 of 41 rows supplied quantity0% (0)54% (22)
MPN31161.65 bbl31 of 31 rows supplied quantity100% (31)0% (0)
SEPLAT2595.28 bbl14 of 25 rows supplied quantity0% (0)44% (11)
Heritage19377.7 bbl18 of 19 rows supplied quantity0% (0)5% (1)
CHEVRON152.99 bbl12 of 15 rows supplied quantity7% (1)20% (3)
FIRST1262 bbl6 of 12 rows supplied quantity0% (0)50% (6)
NDWEST121,490.01 bbl9 of 12 rows supplied quantity0% (0)25% (3)
NPDC8132.5 bbl7 of 8 rows supplied quantity0% (0)13% (1)
ERL647 bbl6 of 6 rows supplied quantity0% (0)0% (0)
Midwestern6142.51 bbl6 of 6 rows supplied quantity0% (0)0% (0)
Platform611 bbl2 of 6 rows supplied quantity0% (0)67% (4)
Aiteo E&P5430 bbl5 of 5 rows supplied quantity0% (0)0% (0)
ESSO50.01 bbl5 of 5 rows supplied quantity100% (5)0% (0)
PPMC (NPSC)50 bbl0 of 5 rows supplied quantity0% (0)100% (5)
TOTAL551.3 bbl5 of 5 rows supplied quantity0% (0)0% (0)
PPMC45 bbl1 of 4 rows supplied quantity0% (0)75% (3)
ADDAX30.02 bbl2 of 3 rows supplied quantity33% (1)33% (1)
TUPNI340.2 bbl3 of 3 rows supplied quantity33% (1)0% (0)
AGIP2225.77 bbl2 of 2 rows supplied quantity0% (0)0% (0)
Guarantee Petroleum Limited28 bbl1 of 2 rows supplied quantity0% (0)50% (1)
POOCN220 bbl1 of 2 rows supplied quantity0% (0)50% (1)
Infravision LTD COMPANY138 bbl1 of 1 rows supplied quantity0% (0)0% (0)
KAMLIK NIGERIA LIMITED13 bbl1 of 1 rows supplied quantity0% (0)0% (0)
Neconde112.58 bbl1 of 1 rows supplied quantity0% (0)0% (0)
nyd10 bbl0 of 1 rows supplied quantity0% (0)100% (1)
Shell Petroleum Development Company of Nigeria Limited12 bbl1 of 1 rows supplied quantity0% (0)0% (0)
Total Nig Plc1422 bbl1 of 1 rows supplied quantity0% (0)0% (0)

Reading this table: “No JIV date” means the date field is blank in the source row. “No quantity” means no estimated quantity was supplied.

Patterns over time and place

Reported causes and state distribution, 2020

Counts and estimated quantities remain separate so a missing quantity never erases a source record.

Number of reported spills by cause

Monthly incident rows grouped from the source cause codes.

Estimated quantity by reported cause

Monthly sum in barrels only where the source supplies an estimated quantity.

States with the most reported spills

Top ten state labels in the selected year; offshore records retain the source state field.

Quantity reporting completeness

A missing quantity means not supplied—not zero barrels.

States with the most source records

  1. Rivers255
  2. Delta116
  3. Bayelsa97
  4. Abia30
  5. Akwa Ibom30
  6. Imo25
  7. Edo10
  8. Lagos9
  9. Ondo3
  10. Kaduna2

State counts use explicit, resolvable source state fields. Location prose is not used to infer state membership.

Reported cause groups

  • Sabotage / theft437
  • Operational issues143
  • Other / unspecified38

Cause groups reflect the source codes used by this page; “other / unspecified” includes blank or unclassified values.

Evidence behind the totals

Recent 2020 source records

Open a stable record page to inspect the underlying fields and source context.

20'' TEP @ OTUMARASPDC · 282291030 Dec 2020MGBEDE 2L FLOWLINE @ MGBEDEAGIP · 2020/LAR/09330 Dec 202018" Assa-Rumuekpe P/L ROW @ Ohaji-Egbema in Imo State.SPDC · 282070629 Dec 202018" Assa-Rumuekpe P/L Ochia @ Ohaji/Egbema in Imo State.SPDC · 282044429 Dec 202014" Okordia-Rumuekpe Trunk Line @ AkinimaSPDC · 2020_282067929 Dec 202010'' CLOUGH CREEK/TEBIDABA PIPELINE AT IGBEMANGALABIRINAOC · 2020/SAR/09529 Dec 2020
Search all oil spill recordsDownload 2020 CSV
Methodology

What these annual statistics represent

SpillFlare is a search, mapping and analysis layer over public environmental records. One row represents a source incident record, not necessarily an independently verified unique physical event. Repeated incident numbers and similar-looking records can occur, so normalized incident-number counts are shown for context rather than presented as unique spill totals.

The current snapshot may differ from historical figures published from earlier source snapshots or different definitions. That does not by itself mean either figure is incorrect. Review the full data and methods documentation and the data reuse policy before reusing the numbers.

Questions researchers ask

Nigeria oil spill statistics FAQ

How does SpillFlare calculate yearly oil spill statistics?

Yearly totals count indexable source records whose incident date passes SpillFlare's trusted-date checks and falls in the selected calendar year. SpillFlare does not substitute a report date when a trusted incident date is unavailable.

Why can SpillFlare's annual totals differ from previously published figures?

The public source can be revised over time, and historical publications may use an earlier snapshot or a different counting method. SpillFlare reports what is present in its current source snapshot and documents the date used.

Does one SpillFlare record always represent one unique oil spill?

No. One row is a source incident record. Incident numbers can repeat and the dataset is not currently a reliable model of independently verified unique physical spill events.

What is the difference between incident date and report date?

Incident date describes when the source says an incident occurred, while report date describes when it was reported. Analytics group records by trusted incident date; the two fields can differ.

Where does SpillFlare's oil spill data come from?

SpillFlare organizes public oil-spill records sourced from the Nigerian Oil Spill Monitor (NOSDRA), then provides search, maps and derived summaries with the source context available on each record.

Can I download the records behind these statistics?

Yes. The oil-spill explorer provides a CSV export of the source records, including the selected-year view where available.