Continental Resources Company History Timeline


In 1967, Harold Hamm founded Shelly Dean Oil Co., Continental's predecessor.


1974 Harold Hamm begins drilling a series of successful producing wells in Oklahoma


The company became Hamm Production Company in 1976, when Harold Hamm obtained ownership.


1985 Harold Hamm acquires Petro-Lewis and 500+ oil and gas wells, it remains the company’s largest acquisition


Disgruntled with overproduction of natural gas in Oklahoma, which flooded the market at unprofitable pay rates, Hamm guided the company toward expansion into oil development beginning in 1988, initially in eastern Montana’s Lustre field.


In 1990, the company formed a subsidiary, Continental Gas, Inc., for the purpose of providing ancillary services to the gas industry.

In 1990, the company was renamed Continental Resources.


1992 Continental purchases headquarters buildings in downtown Enid, OK


1993 Continental expands into the Rocky Mountain region and begins using 3-D seismic

In 1993, Continental made its first substantial acquisitions outside of Oklahoma, and most of the properties were suitable for alternative extraction of secondary reserves.


To gain access to air-injection technology, Continental acquired 50,000 acres of mineral rights from Koch Exploration in 1995.

In 1995, the company discovered what was later described as the Cedar Hills Field in North Dakota, the 7th largest onshore field in the lower 48 United States ranked by liquid proved reserves, and was the first to develop it exclusively through precision horizontal drilling.


In 1996, the company purchased 19 oil and gas wells in Kansas and New Mexico and planned to apply the technique there when it became economically feasible.


A private offering of $150 million in senior subordinate notes supported the 1998 purchase of oil development interests at Big Horn Basin in northern Wyoming.


Through a joint venture with Challenger Minerals, Inc., Continental began drilling offshore in July 1999.


In July 2000, the company concluded the acquisition of all assets from Farrar Oil Company, including Har-Ken Oil Company, for a total compensation of $33.7 million.


Also, Continental expanded its natural gas services with the $12 million acquisition of Carmen Gathering System in western Oklahoma in August 2003.

2003 Continental enters the North Dakota Bakken with a purchase of 300,000 acres

By 2003, project developments in the Rocky Mountain region progressed, particularly at the Cedar Hills field in North Dakota and Montana.

In 2003, the company drilled its first wells in the Bakken formation.


In 2005 alone, oil production rose 55 percent, to 5.71 million barrels of oil.


In March 2006 Continental announced plans for an initial public offering of stock, intending to raise $575 million.

In April 2006, the company acquired a 50 percent interest in the Marfa Basin in southwest Texas.


2007 Continental is listed on the New York Stock Exchange (ticker symbol: CLR)

In 2007, the company became a public company via an initial public offering in which Harold Hamm sold approximately $300 million worth of his shares.


In 2008, the company was the first to complete a horizontal well in the Three Forks zone.


In 2010, Continental introduced the ECO-Pad® drilling technique, which involves drilling 4 wells from 1 pad.


2011 Interactive Media Council, Inc. names Continental’s Web site Best in Class in the Energy Industry, created by a team led by Brian Engel and designed by Marker Seven.


2012 Harold Hamm named one of TIME Magazine’s 100 Most Influential People in the World”


Continental Resources wins “Company” and “CEO” of the year titles at the 2013 Platts Global Energy Awards


Harold Hamm is named 2015 Wildcatter of the Year by the Western Energy Alliance


In 2016, the company sold assets in North Dakota and Montana for $222 million.


In 2017, the company sold 26,000 acres in the Arkoma Basin for $68 million.


In 2021, the company acquired 92,000 net leasehold acres and 50,000 net royalty acres in the Permian Basin for $3.25 billion from Pioneer Natural Resources.


"Continental Resources, Inc. ." International Directory of Company Histories. . Retrieved June 21, 2022 from

In 2022, the Company will celebrate 55 years of operations.

Work At Continental Resources?
Share Your Experience
Company Founded
Company Headquarter
Harold G. Hamm
Company Founders
Get Updates for Jobs and News

Continental Resources Jobs Nearby

Continental Resources Jobs

Continental Resources Similar Companies

Company NameFounded DateRevenueEmployee SizeJob Openings
Devon Energy1971$19.2B1,40026
Chesapeake Energy1989$11.7B1,30025
SandRidge Energy2006$254.3M270-
The Williams Companies1908$11.0B5,425213
Diamond Offshore Drilling1978$1.5B2,50012
Helmerich & Payne1920$2.1B9,77733
Exxon Mobil1870$402.2B72,000124
Octagon 88 Resources----
Cameron Welding Supply1963$8.8B35,000-
Find Jobs from Similar Companies
Personalize your job search. Where would you like to work?

Continental Resources Similar Companies Jobs

Continental Resources History FAQs

How Old Is Continental Resources?

Continental Resources is 56 years old.

Who Is The Founder Of Continental Resources?

Harold G. Hamm founded Continental Resources.

Zippia gives an in-depth look into the details of Continental Resources, including salaries, political affiliations, employee data, and more, in order to inform job seekers about Continental Resources. The employee data is based on information from people who have self-reported their past or current employments at Continental Resources. The data on this page is also based on data sources collected from public and open data sources on the Internet and other locations, as well as proprietary data we licensed from other companies. Sources of data may include, but are not limited to, the BLS, company filings, estimates based on those filings, H1B filings, and other public and private datasets. While we have made attempts to ensure that the information displayed are correct, Zippia is not responsible for any errors or omissions or for the results obtained from the use of this information. None of the information on this page has been provided or approved by Continental Resources. The data presented on this page does not represent the view of Continental Resources and its employees or that of Zippia.

Continental Resources may also be known as or be related to CONTINENTAL RESOURCES, INC, Continental Resources, Continental Resources Inc, Continental Resources Inc. and Continental Resources, Inc.