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1954: John Callon's brother Sim C. Callon joins the company.
Callon Oil & Gas was renamed Callon Petroleum Company in 1962.
At 25 million barrels, it equaled Callon's 1962 Quitman Bayou find.
1981: Sim Callon retires.
In 1982, Callon's Lockhart Crossing Wilcox Oil Field in Livingston Parish, Louisiana, was the largest onshore oil discovery in the contiguous United States.
Callon's revenues were $34.1 million in 1985, producing, after a $29.4 million writedown in oil and gas properties, a $41.1 million loss.
The once prohibitively expensive tools of 2-D and 3-D seismic mapping technology, originally developed by the major oil companies, began to drop considerably in price after 1985.
The Black Bay Field, located off the coast of Louisiana in shallow waters, was acquired from Chevron United StatesA. Inc. in 1992.
Callon formed the CN Resources joint venture in 1992 with a group of European companies led by Norway's Fred Olsen shipping and oilfield construction group.
1994: Callon Petroleum merges with partners and goes public.
In June 1995, Callon agreed to buy oil and gas holdings in southeast Alabama from Scott Paper Co. for $12 million, which included interests in more than two dozen oil and gas fields, as well as ownership of a Scott subsidiary, the Escuhbia Oil Company.
In February 1998, Callon announced a deepwater natural gas find, its second, at the Habanero prospect, located 2,000 feet under the ocean's surface.
The company ended the year with estimated net proved reserves of 334 billion cubic feet of natural gas equivalent (Bcfe), up 28 percent from year-end 1999.
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| Company name | Founded date | Revenue | Employee size | Job openings |
|---|---|---|---|---|
| Denbury Resources | 1951 | $1.7B | 657 | - |
| Coterra Energy | 1989 | $5.5B | 483 | 40 |
| Contango Oil & Gas | 1986 | $112.9M | 205 | 18 |
| Apache | 1954 | $8.0B | 3,420 | 18 |
| Ksa | 2018 | $880,000 | 6 | 4 |
| Columbia Gas Transmission LLC | 1969 | $96.0M | 160 | - |
| BP Pipelines | 1916 | $121.3M | 900 | - |
| BP America Inc | 1909 | $164.2B | 70,100 | 73 |
| Eni | 1953 | $47.1B | 31,495 | - |
| Aramco Services Company | 1950 | $19.0M | 200 | 34 |
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Callon Petroleum may also be known as or be related to Callon Petroleum, Callon Petroleum Co. and Callon Petroleum Company.