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Weekly Petroleum Status Report (WPSR)

週次石油在庫統計（EIA Weekly Petroleum Status Report：WPSR） Institutions ✓ Verified Citations Institutional / Regulatory Framework
<Definition> The Weekly Petroleum Status Report (WPSR) is a weekly statistical release published by the U.S. Energy Information Administration (EIA), covering the supply, demand, and inventory conditions of U.S. crude oil and petroleum products — including production, imports, exports, refinery inputs, stocks, and product supplied. By publishing data for the United States as a whole and by region, it functions as the statistical foundation for continuously tracking the physical supply-demand condition of the U.S. petroleum market.[1][2]
日本語
＜定義＞ 週次石油在庫統計（EIA Weekly Petroleum Status Report：WPSR）とは、米国エネルギー情報局（EIA）が毎週公表する、米国の原油・石油製品について、生産、輸入、輸出、製油所への投入、在庫、product supplied（供給された製品量）などの供給・需要・在庫の状況を示す週次統計である。米国全体および地域別のデータを公表することで、米国の石油市場における物理的な需給状態を継続的に把握するための統計基盤として機能している。[1][2]

<Mechanism>

The essence of the WPSR: a mechanism that measures flow as stockFive stages from the difference between flows in the petroleum market appearing as inventory changes, through the formation of a stock at a given point in time, to the EIA measuring and estimating it weekly and publishing it as the WPSR FLOW Petroleum market Production, imports vs Refinery inputs, exports BALANCE Flow difference Supply > Outflow → Stock builds Supply < Outflow → Stock draws CORE STOCK Inventory at a point in time PROCESS EIA measures & estimates Weekly survey ↓ Data collection ↓ Editing, aggregation, estimation OUTPUT Published as the WPSR Physical condition of the U.S. petroleum market

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