[1] 「石油生産量」は各社決算資料から下記項目を抽出している。
ExxonMobil: Net production of crude oil, natural gas liquid, bitumen and tsynthetic oil
Shell: Liquid production available for sale
bp: Production (net of royalties), Liquids
TotalEnergies: 3.3 Production, Liquids
Chevron: Net liquid production
[2] 「天然ガス生産量」は各社決算資料から下記項目を抽出している。
ExxonMobil: Natural gas production available for sale
Shell: Natural gas production available for sale
bp: Production (net of royalities), Natural gas
TotalEnergies: Hydrocarbon production, Gas
Chevron: Net natural gas production, Worldwide
[3] 「石油・天然ガス合計生産量」は各社決算資料から下記項目を抽出している。
ExxonMobil: Production, Earnings and Volume Summary
Shell: Total production in barrels of oil equivalent
bp: Production (net of royalities), Total hydrocarbons
TotalEnergies: 3.3 Production
Chevron: Total net oil-eqivalent production


[1] 「営業キャッシュフロー」は各社決算資料から下記項目を抽出している。
ExxonMobil: Cash Flow from Operating Activities (U.S. GAAP) / Net cash provided by operating activities (U.S. GAAP)
Shell: Cash flow from operating activities
bp: Net cash provided by operating activities, Condensed group cash flow statement
TotalEnergies: Cash flow from operating activities, TotalEnergies financial statements
Chevron: Net cash provided by Operating Activities, Summerrized Statement of Cash Flow (Preliminary)
[2] 「投資キャッシュフロー」は各社決算資料から下記項目を抽出している。
Shell: Cash flow from investing activities
bp: Net cash used in investing activities
TotalEnergies: Cash flow used in investing activities, TotalEnergie financial statement
Chevron: Net cash Used for Investing Activities, Summerrized Statement of Cash Flow (Preliminary)
[3] 「財務キャッシュフロー」は各社決算資料から下記項目を抽出している。
Shell: Cash flow from financing activities
bp: Net cash provided by (used in) financing activities
TotalEnergies: Cash flow from (used in) financing activities, Total financial statement
Chevron: Net cash provided by (Used for) Financing Activities, Summerrized Statement of Cash Flow (Preliminary)
[4] 「年末キャッシュフロー残高」は各社決算資料から下記項目を抽出している。
Shell: Cash and cash equivalent at end of period
bp: Cash and cash equivalent at the end of the period
TotalEnergies: Cash and cash equivalent at end of period, TotalEnergies financial statement