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The Global Insight

What happened Unocal?

Author

Christopher Ramos

Updated on February 26, 2026

On August 10, 2005, Unocal merged its entire upstream petroleum business with Chevron and became a wholly-owned subsidiary. Unocal then ceased operations as an independent company.

Who owns Unocal Corporation?

Chevron Corporation
Unocal Corporation/Parent organizations

What is Unocal Myanmar?

Summary. When Unocal, a U.S. oil and gas company, partnered with the notorious Burmese military to build a gas pipeline, knowing the military would commit human rights abuses, we filed a landmark lawsuit against Unocal. Unocal; Total (French Oil Company); Burmese military.

What is the Unocal rule?

In the law of corporations, a test established in Unocal Corp. The first prong, the reasonableness test, states that the target board must demonstrate that it had reasonable grounds for believing that a danger to corporate policy and effectiveness existed.

Did Chevron buy Unocal?

ChevronTexaco Corp. on Monday agreed to buy Unocal Corp. for $16.4 billion — a move that would combine two California-bred energy companies in a deal partly spawned by record oil prices.

Who owns Phillips 66?

Berkshire Hathaway
Warren Buffett’s Berkshire Hathaway (NYSE:BRK. A)(NYSE:BRK.B) owns large chunks of several well-known companies, including Phillips 66. Overall, Berkshire Hathaway owns more than 80 million shares, currently valued at more than $6 billion, which is its seventh largest stock holding.

What is the connection with the company Unocal and the country of Burma?

Unocal was attracted to Burma for several reasons. First, labor was cheap and relatively educated. Second, Burma was rich in natural gas resources. Third, Burma was an entry point into other international markets, particularly in and around Southeast Asia.

What does Unocal stand for?

UNOCAL

AcronymDefinition
UNOCALUnion Oil of California (corporate name)

What is the entire fairness standard?

The entire fairness standard is the most exacting standard, requiring a judicial determination of whether a transaction is entirely fair to the insolvent corporation’s residual beneficiaries. Entire fairness requires the court to strictly scrutinize all aspects of a transaction to ensure fairness.

Who is the Chief Executive Officer of Unocal?

For Unocal, Wednesday’s vote spelled the end of the company’s 115-year history of independence. “This is an important milestone for Chevron, and I want to welcome Unocal employees to our company,” said Chevron Chief Executive Officer David O’Reilly.

What kind of business does Unocal energy have?

Among other activities, Unocal is involved in the production of geothermal energy and has various petroleum pipeline interests. A fully integrated oil company until the mid- to late 1990s, Unocal has shed most of its downstream operations.

What was the purchase price of Unocal by Chevron?

Oil giant Chevron Corp. completed its $17.9 billion purchase of Unocal Corp. Wednesday, the finale of a tortuous four-month takeover that touched off an international bidding war and strained the United States’ relations with China.

What was the price of Unocal stock in 1985?

On April 8, 1985, Mesa, the owner of approximately 13% of Unocal’s stock, commenced a two-tier “front loaded” cash tender offer for 64 million shares, or approximately 37%, of Unocal’s outstanding stock at a price of $54 per share.