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29 April 2026 Enhancing SPR Inventory Monitoring

Written by Teresa Deverill

In response to the ongoing Mideast Gulf crisis and its impact on global crude oil inventory levels, Kpler is enhancing its inventory monitoring capabilities, with a particular focus on underground strategic petroleum reserve (SPR) storage.

Over the coming weeks, we will expand our coverage by up to 180 million barrels, prioritising key underground storage assets:

  • China: Yunnan Underground SPR (31 Mbbls capacity)

  • Germany: Wilhelmshaven-Rüstringen (69 Mbbls) and Hamburg-Sottorf (6.2 Mbbls) Underground SPRs

  • France: Manosque Underground SPR (56 Mbbls capacity)

Methodology
Fill levels are estimated using available official data alongside regional crude supply and demand balances to derive implied storage levels. These will be visible in the platform when the “assumed storage” toggle is enabled.

Iran Storage Expansion (~20 Mbbls)
We are also progressively adding coverage of floating-roof tank storage across Iran, representing approximately 70 tanks across nine installations, including both refineries and storage sites:

  • Shazand (Arak) Refinery

  • Goreh

  • Kermanshah Refinery

  • North (Shomal) Oil Terminal

  • Qeshm Island

  • Shiraz Refinery

  • Tabriz Refinery

  • Tehran Refinery

  • Aghajari-Marun

These enhancements are designed to provide greater transparency into strategic and hard-to-track storage amid evolving market conditions.

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