Energy OS/Built for Nigerian service contractors
Every litre,
on record.
Soundings corrected to ASTM 54B, dual-signed e-BDNs and sealed samples. Every bunker stem reconciles before the barge casts off.
e-BDN · MV Atlantic Grace
BDN-2026-0418
- Stem nominated420 MT VLSFO
- Tanks sounded fore & aft6 tanks
- Corrected · ASTM 54B / 56VCF 0.98143
- Variance checked0.18% ✓
- Chief Engineer & supplier signed2 / 2
Building record…
Your records are scattered. Your liability isn't.
Most contractors run pigging one week, bunkering the next and haulage all year, on paper, Excel and WhatsApp. Global tools cover one step each. PetroLedger brings every step onto one signed ledger.
PetroLedger
Operations GM
Shrinkage and turnaround
Soundings, meter tickets and discharges reconcile as they happen.
Managing Director
Tenders and NCDMB status
NCFCC readiness and NOGIC-JQS packs are ready before the tender closes.
HSE Manager
Permit compliance
Expired tickets block the manifest. Failed gas tests lock the permit.
Three steps from field to signed record.
Capture in the field
Crews log soundings, gas tests, weighbridge tickets and PODs on phone or tablet, even with no signal.
Verify automatically
Rules check every entry: ASTM corrections, variance over 0.5%, expired certificates and failed gas tests.
Seal and share
Records are signed, locked into the audit log, and shared with clients or exported for NCDMB.
License what you run. Add the rest later.
Start with one module, or run the full suite on one audit trail. Click any module to see live interactive controls.
Built for the field: no signal, no problem.
Every field module works offline on SQLite and delta-syncs when the link returns. Try it: drop the link, capture a few readings, then reconnect.
Field app
Barge PB-04
Connected · VSAT link
Records sync as you save
All field records synced
Immutable audit trail
append-onlySounding · Tank 2S · 1.92 m
T. Nwosu · Barge mastersig 143eea9c
Gas test · H₂S 0 ppm · LEL 2%
K. Ibrahim · Techniciansig 286cd2fc
POD · WB-104882 · buyer signed
M. Oduya · Driversig 3cde4583
Field soundings and signatures carry tamper-evident sha256 cryptographic proofs. History is append-only and cannot be altered.
Role-based access
Granular permission gating ensures every team member accesses only what their station requires.
Naira and dollar ledgers
Real-time foreign exchange rate snapshot locked at the moment of invoice generation.
Bilingual field UI
Clear vocabulary for field hands, vessel crews, and international audit partners.
Compliance document vault
Rugged hardware ready
Designed for Zebra, Honeywell, and ATEX-certified Intrinsically Safe devices with 48px tactile tap targets.
Universal platform
High-resolution control room views on web desktop, resilient offline mode on mobile and rugged field tablets. High-contrast typography designed for outdoor glare and night operations.
Follow every truck from gantry to POD, and close the ledger at discharge.
Built for the Lekki-Epe and Delta corridors: holding-park queues, RFID tagging, driver accreditation and peak-hour bans. Depot reconciliation runs at every discharge instead of at month-end.
5
checkpoints
1
e-Waybill
0
month-end surprises
RefineryLink
Gantry loading
- ✓ Meter ticket from AccuLoad / Smith Meter
- ✓ Quality certificate linked to batch
- ✓ GOV → NSV at standard 15 °C or 20 °C
Δ meter vs. ATG
0.06%
Lagos e-Call-Up connector
The e-Call-Up system is run by the Lagos State Government. PetroLedger integrates as API access becomes verified. Until then, the holding-park queue manager runs independently offline and online.
Neutral on fees, firm on evidence
The fee and levy ledger records each per-truck and holding-park charge with digital receipt evidence, allowing operators to settle disputes on verified facts without friction.
Audit-ready for every regulator.
Each statutory rule maps directly to the operational module that logs the evidence. PetroLedger exports into NCDMB's NOGIC-JQS portal format, providing airtight verification.
Mandatory check
NCFCC readiness checker
Expired NCFCC blocks equipment NCEC certificates and IOC approvals. The built-in monitor flags statutory gaps months before audit dates.
NCDMB
NOGICD Act 2010
Local content spend, NCFCC, NCEC, JQS registration
NUPRC
Upstream regulator
Permits, pipeline integrity verification
NMDPRA
Midstream & downstream
Wholesale metering, depot ATG accuracy
NIMASA
Maritime safety
Cabotage, crew endorsements, vessel permits
NPA
Nigerian Ports Authority
Harbour husbandry, bunkering notices
MARPOL VI
IMO convention
Fuel quality documentation, sealed sample tags
ASTM D1250
Tables 54B / 56
Volume correction and density reduction
API MPMS
Measurement standard
Custody transfer accuracy and ullage calculations
API 1110
ASME B31.4 / B31.8
Hydrotest hold validation and pressure logs
ISO 9001 · 14001
Management systems
Operational quality and environmental safety
ISO 13623
Pipeline systems
Pipeline integrity and cathodic protection surveys
NDPA 2023
Data privacy law
Personal data security of crew and drivers
Connector-first. Fits your ERP.
Large energy contractors keep SAP, Oracle or Odoo, while PetroLedger delivers operational field synchronization. Every connector status is transparent.
SAP · Oracle · Odoo
ERP financial data exchange
Start with ten trucks. Scale to a private cloud.
Indicative pricing. Naira quotes lock the official rate at issuance so there are never hidden foreign exchange surprises.
Micro Haulage
NewUp to 10 trucks · 1 depot site
- ✓ HaulTrac lite module
- ✓ Digital e-Waybill
- ✓ 2 administrative seats
- ✓ 100% offline field app
Starter
Up to 35 crew · 2 vessels or 10 trucks
- ✓ SafePass and field PTW
- ✓ BunkerFlow or HaulTrac
- ✓ 2 administrative seats
- ✓ Setup onboarding included
Growth
RecommendedUp to 120 crew · 6 vessels · 30 trucks · 2 yards
- ✓ BunkerFlow, PipeIntegrity, HaulTrac
- ✓ Compliance Shield suite
- ✓ NCFCC checker and JQS export
- ✓ 8 administrative seats
Enterprise
Up to 400 crew · 15 vessels · 100 trucks · unlimited yards
- ✓ Full suite incl. RefineryLink, EPC-Link
- ✓ Client Verification Portal
- ✓ Full API access
- ✓ 24/7 dedicated account team
Whitelabel
Dedicated single-tenant cloud · custom domain
- ✓ Everything in Enterprise
- ✓ Your custom corporate branding
- ✓ Private dedicated database
- ✓ SAP / Oracle live connectors
60-day paid pilot on one operational module
$2,500 pilot commitment credited against your annual license if you convert. We establish one target KPI beforehand (shrinkage reduction, turnaround time, or reconciliation cycle) and report progress transparently.
Additional modules & support
Lagos e-Call-Up connector
Upon confirmed API integration
$500 /mo
Gantry / Dangote bridge
Commercial gateway agreement
$500 /mo
Intelligent pigging ingestion
$750 /mo
WhatsApp crew-expiry bot
$250 /mo
Cathodic protection & asset integrity
$400 /mo
TankWorks job costing
$350 /mo
MarineStores inventory
$300 /mo
Refrigerant gas tracking
$150 /mo
e-BDN export interoperability
$400 /mo
NCFCC / NOGIC-JQS export pack
Included free in Growth & above
$250 /mo
Client Portal
Included in Enterprise
$300 /mo
✓ 50% upon signing, 50% at production go-live
✓ Transparent billing with no hidden fees
Shrinkage ROI Calculator
What is 0.5% recovery worth on your stems?
Recovered per stem
$3,000
Annual contractor savings
$360,000
Calculated as stem volume × price × variance recovered. Demonstrated in practice during a 60-day paid pilot using your fleet data.
Built for the contractors powering Nigeria's energy.
Multi-service contractors
Pipeline, marine services and procurement in one integrated firm.
Bulk haulage operators
Lekki-Epe and Delta corridor fleets moving PMS, AGO and Jet A1.
Marine fuel & lube suppliers
Lagos, Port Harcourt, Onne and Warri bunker stems with e-BDN.
Pipeline integrity & NDT
Contractors serving IOCs requiring NCDMB-compliant audit packs.
Depots & terminal yards
Tank farm, weighbridge and gantry owners managing ATG balances.
Ship the field core first. Expand across the supply chain.
Every phase is engineered alongside petroleum domain advisors and verified through field operational pilots.
Evidence you can put before an IOC auditor.
A signed bunker stem or hydrotest certificate holds legal standing only if records remain tamper-proof. PetroLedger guarantees that standard.
Defensible audit readiness. The system interface is engineered to WCAG 2.1 AA and control-room telemetry is aligned with ISO 11064 standards for operator ergonomics.
End-to-end encryption
Data is encrypted at rest (AES-256) and in transit (TLS 1.3), on the central cloud and device local cache.
Cryptographically signed
Signed records carry non-repudiable digital signatures. Once committed, entries cannot be silently edited.
Append-only audit trail
Every create, modification and sign-off is micro-timestamped and user-attributed. History is immutable.
In-country data residency
Host in Nigeria, international hyperscale cloud regions, or hybrid. Enterprise tenants receive dedicated instances.
NDPA 2023 compliance
Crew and driver biometric and identity records are governed by Data Protection Impact Assessments.
Single-tenant isolation
Dedicated tenant isolation on your corporate domain with private database clusters and custom SSO connectors.
Put every litre on record.
Pick one module and one KPI. We run a 60-day paid pilot on your vessels, lines or trucks, then report the result back to you in audited numbers.
Pick a module
BunkerFlow, HaulTrac or SafePass
Agree one KPI
Shrinkage, TAT or reconciliation time
Measure for 60 days
Pilot fee credited if you convert
Lagos
6.4550° N, 3.3841° E
Port Harcourt
4.8156° N, 7.0498° E
Warri
5.5160° N, 5.7500° E
Onne
4.7238° N, 7.1517° E