[3] In 2021, the company's total production was 388 thousand barrels of oil equivalent (2,370,000 GJ) per day, of which 59% was in the United States, 29% was in Egypt, and 12% was in the North Sea.

[1] As of December 31, 2021, the company had 912 million barrels of oil equivalent (5.58×109 GJ) of estimated proved reserves, of which 68% was in the United States, 20% was in Egypt, and 12% was in the North Sea.

[1] In 1954, the Apache Oil Corporation was founded in Minneapolis, Minnesota, by Truman Anderson, Raymond Plank and Charles Arnao with $250,000 in funding.

[5] In 1977, the company sold Apexco and its non-petroleum holdings, including the ranch, and reinvested into a farm-in agreement with GHK to operate its wells in the Anadarko Basin.

[5] In 1980, the company acquired a non-operating interest, via a participation in a Royal Dutch Shell joint venture, in operations in the Gulf Of Mexico.

[11] In 1993, the company acquired Hadson Energy Resources in a $58 million transaction, expanding its assets to offshore Western Australia.

[19] In 2003, the company acquired the Forties oilfield, the largest field ever discovered in the United Kingdom North Sea as well as assets in the Gulf of Mexico from BP for $1.3 billion.

[20] In May 2005, the company and ExxonMobil completed a series of agreements that provided for transfers and joint ventures across a broad range of properties in Western Canada.

[24] In 2007, A test horizontal well at the Van Gogh project, in Exmouth Gulf, Western Australia, produced 9,694 barrels per day.

The acquisition added approximately 71 million barrels of oil equivalent (430,000,000 GJ) to Apache's reserves and strengthened its position across western Oklahoma and the Texas Panhandle.

[41] On June 1, 2013, a pipeline in northern Alberta, Canada was noticed to have ruptured, spilling 60,000 barrels (9.5 million litres) of toxic waste in what was cited as one of the largest of such disasters in recent history in North America.

[44][45] In 2007, CEO G. Steven Farris wrote to the U.S. Securities and Exchange Commission in favor of limits on nonbinding shareholder proposals at public company annual meetings.