California oil and gas industry

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The California oil and gas industry has been a major industry for over a century. Oil production was a minor factor in the 19th century, with kerosene replacing whale oil and lubricants becoming essential to the machine age. Oil became a major California industry in the 20th century with the discovery on new fields around Los Angeles and the San Joaquin Valley, and the dramatic increase in demand for gasoline to fuel automobiles and trucks. In 1900 California pumped 4 million barrels (640,000 m3), nearly 5% of the national supply. Then came a series of major discoveries, and the state pumped 100 million bbl (16 million m3) in 1914, or 38% of the national supply.[1] In 2012 California produced 197 million bbl (31 million m3) of crude oil, out of the total 2,375 million bbl (378 million m3) of oil produced in the U.S, representing 8.3% of national production.[2] California drilling operations and oil production are concentrated primarily in Kern County, San Joaquin Valley and the Los Angeles basin.

There is also some offshore oil and gas production in California, but there is now a permanent moratorium on new offshore oil and gas leasing and new offshore platforms in both California and federal waters, although new wells can be drilled from existing platforms. These restrictions were imposed after the 1969 Santa Barbara oil spill released oil into the Pacific Ocean.[3] California produces some gas but imports most of its supply by pipeline.

Early history[edit]

There was plenty of visible oil in California and eastern experts said it would be worth a fortune. The early oil ventures in the 1850s and 1860s were well-funded, but all of them failed. The drillers spent $1 million and their poor quality oil was worth only $10,000.[4]

Prospectors after 1848 discovered an increasing number of oil seeps—oil seeping to the surface. In Northern California, there were oil seeps in Humboldt, Colusa, Santa Clara, and San Mateo Counties, and in the asphaltum seeps and bituminous residues in Mendocino, Marin, Contra Costa, Santa Clara, and Santa Cruz Counties. In Southern California, large seeps were found in Ventura, Santa Barbara, Kern, and Los Angeles Counties.[5] Interest in oil and gas seeps was stirred in the 1850s and 1860s, Interest became widespread after the 1859 commercial discovery of oil in Pennsylvania.

In 1864, Yale chemistry professor Benjamin Silliman, Jr., a leading expert, examined the oil seepages in Ventura County, and wrote reports that indicated excellent commercial possibilities. This led to the Leland Stanford, and his brother Josiah, digging oil tunnels into the south side of Sulphur Mountain, while Thomas A. Scott and Thomas Bard drilled into the north side.[6] The Philadelphia & California Petroleum Company, drilled wells in the Ojai region between 1865 and 1867; one became California’s first "gusher."

As early as 1856 a company began working the tar pits at La Brea Ranch, near Los Angeles, distilling some oil. Initially these oil discoveries were done by hand digging a well with pick and shovel or even tunneling (by hand) into a mountain that contained oil. By sloping the tunnels downward the oil ran out the mouth to be collected. Some of this oil was so thick that when pipelines were used they had to be heated in winter to get the oil to flow. Transporting the oil to a market or refinery was nearly always a primary concern. In 1866 the first oil refinery in California was built near McKittrick Tar Pits in Kern County to process kerosene and asphalt.

Much of California’s early oil discoveries were in the form of asphalt also known as bitumen a sticky, black and highly viscous liquid or semi-solid form of petroleum. It was found in natural deposits and by processing it became a refined product. Some cities in California started asphalting their streets in the 1870s to keep down dust and mud. In the 20th century the primary use is in road construction, where it is used as the glue or binder mixed with aggregate particles or gravel to create asphalt concrete.

Oil production[edit]

The Los Angeles City Oil Field. Other oil fields are shown in light gray.

The story of oil production in California began in the late 19th century.[7] As of 2012, California was the nation's third most prolific oil-producing state, behind only Texas and North Dakota. In the 20th century, California’s oil industry grew to become the state’s number one GDP export and one of the most profitable industries in the region.[8]

Standard Oil largely controlled the distribution of oil products in the state. After its breakup by the Supreme Court in 1911, its California operations became Standard Oil of California or "California Standard." It is now part of Chevron Corporation.

The Los Angeles City Oil Field was discovered in 1890, and made famous by Edward L. Doheny's successful well in 1892. The field became the top producing oil field in California, accounting for more than half of the state's oil in 1895. Doheny became one of the richest men in California. The peak year was 1901, with 200 separate oil companies active on the field. In 2011 only one small well remained in production.

In 1900, the state produced 4 million barrels.[7] In 1903, California became the leading oil-producing state in the US, and traded the number one position back-and forth with Oklahoma through the year 1930.[9] Production at the various oil fields increased to about 34 million barrels by 1904. By 1910 production has reached 78 million barrels.

By 1920, oil production in California had expanded to 77 million barrels.[7] Between 1920 and 1930, new oil fields across Southern California were being discovered with regularity including Huntington Beach in 1920, Long Beach and Santa Fe Springs in 1921, and Dominguez in 1923.[7] Southern California had become the hotbed for oil production in the United States. A 1926 Times magazine article stated that the Standard Oil Company of California (now Chevron) was then the largest individual producer of crude oil in the U.S. and dominated the marketing of petroleum products along the west coast of both Americas."[10]

In 1929, however, the sense of crisis in the oil market grew as vast amounts of oil supplies were going unused in Southern California and throughout the US.[10] The situation got worse during the Great Depression, with oil selling for 25 cents a barrel. The solution came in the mid-1930s when the Railroad Commission of Texas gained permission of Washington and the major oil companies to set the national price of oil.

San Joaquin Valley Oil[edit]

Except for a couple of mediocre wells on the "westside" of the San Joaquin Valley, and a few tar mining operations, farming was the mainstay of the valley in the late 1800s. However, the 1899 discovery of "black gold" in a shallow hand-dug oil well on the west bank of the Kern River changed all that. The Kern River discovery started an oil boom, and a forest of wooden derricks sprang up overnight on the flood plain just north of Bakersfield, a sleepy farm town known to most as "Bakers Swamp". Soon Kern River production accounted for 7 out of every 10 barrels of oil that came from California, and the Kern River field by 1903 had made California the top oil-producing state in the country.

Inspired by the Kern River discovery, oil prospectors fanned out across the San Joaquin Valley, and derricks began to pop up everywhere. Many discoveries followed, and a string of spectacular gushers at Coalinga, McKittrick and Midway-Sunset fields kept the valley in the oil news.

The Valley is also home to 21 giant oil fields which have produced over 100 million barrels of oil each, with four "super giants" that have produced over 1 billion barrels of oil. Among these "super giants" are Midway-Sunset (the largest oil field in the lower 48 United States[citation needed]), and Elk Hills (former U.S. Naval Petroleum Reserve).

Refining and distribution[edit]

Five companies controlled most of the refining and distribution of oil in California in the early twentieth century. The leader was California Standard (Chevron Corporation), a separate company since the court-ordered breakup of the Standard Oil trust in 1911. Second was the Union Oil Company, formed in 1890, and based in Ventura County. The Shell Company of California was the only affiliate of an outside Corporation. The Associated Oil Company was fourth, and was controlled by the Southern Pacific Railroad Company. The newest company was General Petroleum Company, organized in 1910, which operated in the San Joaquin and southern fields. Union Oil Company of California, ("Unocal") was bought out by Chevron in 2005 after a Chinese attempt to buy the company failed,[11]

California shale oil (tight oil) production[edit]

Widely distributed in sedimentary basins of southern California is the Monterey shale, thought by some to contain more than 400 billion barrels of oil in place. The formation has for many years yielded oil in areas where it is naturally fractured, and oil companies are investigating ways to make the shale in currently non-productive areas give up the oil through artificial fracturing.[12] Over some large areas, California's geologic layers are complexly folded, making horizontal drilling difficult. As of 2013, the Monterey shale has resisted attempts to obtain economic production of oil through hydraulic fracturing, fracking, which involves injecting water, sand, and chemicals into the shale under high pressure, to crack the rock and allow the oil and gas to flow. The U.S. Energy Information Administration estimates there are over 15 billion barrels of oil that can be recovered using today's technology and potentially much more if techniques can be found to safely release it. Despite intense industry efforts, there has been little success to date (2013) in producing Monterey-hosted tight oil/shale oil, and it may be many years, if ever, before the Monterey becomes a significant producer of shale oil.[13]

Chronology of the California oil industry[edit]

  • 1864 - Tar mined from open pits at Asphalto (McKittrick) on west side of San Joaquin Valley.
  • 1866 - First refinery in Kern County built near McKittrick tar pits to process kerosene and asphalt.
  • 1866 - Oil is collected from tunnels dug at Sulphur Mountain in Ventura County by the brothers of railroad baron Leland Stanford
  • 1866 - First steam-powered rig in California drills an oil well at Ojai, near the Sulphur Mountain seeps.
  • 1875 - First commercial oil field in California is discovered at Pico Canyon in Los Angeles County.
  • 1878 - First wooden derrick in Kern County constructed at Reward to drill for flux oil to mix with asphalt.
  • 1885 - Gas wells are drilled in Stockton, California for fuel and lighting.
  • 1885 - Oil burners used on steam engines in the California oil fields, and later used on ships and locomotives, create new oil markets.
  • 1886 Gasoline-powered automobiles introduced in Europe.
  • 1887 - "Wild Goose" well at Oil City, Coalinga comes in at 10 bbls/day, demonstrating potential of north part of basin.
  • 1888 A steel-hulled tanker sails from Ventura to San Francisco.
  • 1889 - Oil wells drilled at Old Sunset (Maricopa) with a steam-powered rig mark discovery of Midway-Sunset field.
  • 1890 - Merger of three companies to found The Union Oil Company of California in Santa Paula, California, by Lyman Stewart, Thomas Bard, and Wallace Hardison.
  • 1890 - Los Angeles City Oil Field is discovered
  • 1892 - Edward L. Doheny discovers oil in downtown Los Angeles
  • 1893 - Railroad reaches McKittrick, where tunnels and shafts are dug to mine asphalt.
  • 1894 - Old Sunset (Maricopa) part of Midway-Sunset has 16 wells producing 30 barrels of oil per day.
  • 1896 - Shamrock Gusher blows in at McKittrick and hastens end of tar mining operations.
  • 1899 - Hand-dug oil well discovers Kern River field and starts an oil boom in Kern County.
  • 1900 - California pumps 4.6% of national supply
  • 1902 - Arrival of railroad to haul fuel makes development of Midway-Sunset field economically feasible.
  • 1902 - First rotary drill rig in California reportedly drills a well at Coalinga field, but the hole is so crooked that a cable tool is used to redrill the well.
  • 1903 - Kern River and Midway-Sunset production makes California the top oil producing state.
  • 1904 - 17.2 million bbls of oil produced at Kern River site exceeds annual production from Texas.
  • 1905 - Well, Hill 4 first successful well pumping cement value in Lompoc Oil Field.
  • 1906-14 - Union delivers 30,000 to 60,000 barrels of fuel oil per month for construction of Panama Canal
  • 1908 - Rotary drilling rigs and crews arrive in California from Louisiana and successfully drill wells at Midway-Sunset field.
  • 1908 - Ford Model T introduced the gasoline powered automobile as a mass consumer product
  • 1909 - Midway Gusher blows out near Fellows and focuses attention on Midway-Sunset field.
  • 1910 - Union Oil made a strategic alliance with the Independent Producers Agency, a group of small oil producers, to build pipelines from the Kern County fields to Union refineries on the coast.
  • 1910 - Lakeview Gusher blows in near Taft and becomes America's greatest oil gusher.
  • 1911 - Standard Oil split into three dozen companies, including Standard Oil of California
  • 1912 - Shell Oil enters the state; gasoline price wars; independents organize to try to hold prices up
  • 1914 - California pumps 39% of national supply
  • 1914 - Panama Canal opens; allows shipments to Britain and East Coast
  • 1915 - The retail price of gasoline reaches a low of 11 cents a gallon
  • 1916 - gasoline prices rise to 20 cents
  • 1918 - United States Fuel Administration (a temporary wartime agency) takes charge and raises prices
  • 1919 - Hay No. 7 catches fire at Elk Hills and becomes America's greatest gas gusher.
  • 1919-20 - shortage of oil on West Coast
  • 1921 - Oil glut on West Coast sends prices down
  • 1923 - California pumps 36% of national supply
  • 1923 - shipments to East Coast reach 53 million bbl
  • 1925 - Shell operates 2913 service stations in California, second to California Standard
  • 1926 - California pumps 29% of national supply
  • 1929 - Blowout prevention equipment becomes mandatory on oil and gas wells drilled in California.
  • 1929 - First well logs in California run by Shell in a well near Bakersfield (Kern County).
  • 1930 - Deepest well in the world is Standard Mascot #1, rotary drilled to 9,629 feet at Midway-Sunset.
  • 1931, 1939 - voters reject referendum on oil conservation
  • 1936 - First seismic exploration in California discovers Ten Section field near Bakersfield. Seismic discovery of the productive Paloma and Coles Levee anticlines soon follows
  • 1940 - California pumps 17% of national supply
  • 1941-45 - stepped up production to meet war demands; gasoline is rationed at 3 gallons per week for most civilians
  • 1943 - Deepest well in the world is Standard 20-13, drilled to 16,246 feet at South Coles Levee.
  • 1953 - Deepest well in the world is Richfield 67-29 drilled to 17,895 feet at North Coles Levee.
  • 1961 - First steam recovery projects in Kern County start up at Kern River and Coalinga fields after a successful pilot by Shell at Yorba Linda field in Los Angeles.
  • 1969 - A blowout on the ocean bottom near Union Oil's platform leaked 90,000 barrels of oil into the water of the Santa Barbara Channel Widespread criticism of both Union Oil and the offshore oil drilling industry led to passage of the 1970 National Environmental Policy Act (NEPA).[14]
  • 1973 - Tule Elk and Yowlumne fields become the last 100-million barrel fields discovered in Kern County.
  • 1980 - First horizontal well in Kern County is Texaco Gerard #6 in fractured schist at Edison field.
  • 1980s - Cogeneration hastens the spread of steam recovery projects, which dramatically ramp up oil production.
  • 1985 - Kern County reaches an all-time production high of 256 million barrels of oil/year. At the same time, California reaches an all-time production high of 424 million barrels of oil/year.
  • 1990s - 3D-seismic data and 3D-computer modeling of reservoirs bring new life to old fields.
  • 1997 - Deepest horizontal well in Kern County is Yolwumne 91X-3 with measured depth of 14,300 feet. However, the well is surpassed only two years later by the relief well for the Bellevue blowout.
  • 1998 - A blowout and oil well fire at the Bellevue #1 wildcat in the East Lost Hills subthrust fuels hopes for the first major Kern County discovery in over a decade. However, subsequent drilling proves to be a disappointment.[15]
  • 2004 - Congress balks at Chinese offer to buy Unocal
  • 2005 - Chevron buys Unocal
  • 2010 - Hydraulic fracturing of shale oil deposits leads to new supplies of natural gas and increased oil production

California gas production[edit]

Initially the natural gas discovered was allowed to vent or was burned off. Only a relatively small fraction was used for lighting or heating purposes. At the turn of the century, before electrical lights were common, street lighting in cities was done by gas street lamps. Some homes were lighted with gas lamps. Much of this gas was generated from coal. By the time significant amounts of natural gas became available electricity was taking over the lighting job.

The gas industry market structure was dramatically altered by the discovery of massive natural gas fields throughout the American Southwest beginning in 1918.[16] The natural gas found was cleaner than manufactured gas and less expensive to produce.[17] While natural gas sources were abundant in Southern California, no economical sources were then available in Northern California. In 1929, PG&E constructed a 300-mile pipeline from the Kettleman oil field to bring natural gas to San Francisco Bay area.[18][19] The city became the first major urban area to switch from manufactured coal gas to natural gas.[16] The transition required the adjustment of burners and airflow valves on 1.75 million appliances and gas lamps.[16] In 1936, PG&E expanded distribution with an additional 45-mile pipeline from Milpitas. PG&E gradually retired its gas manufacturing facilities, although some plants were kept on standby.[20]

During World War II defense related population growth and industry growth boosted natural gas sales in California and cut deeply into the state's natural reserves.[21][22] In 1947, PG&E entered into a contract with the Southern California Gas Company and the Southern Counties Gas Company to purchase natural gas through a new 1,000-mile pipeline running from Texas and New Mexico to Los Angeles.[22] Another agreement was reached with the El Paso Natural Gas Company of Texas for gas delivery to the California-Arizona border. In 1951, PG&E completed a 502-mile gas main which connected with the El Paso network at the state line.[22]

In 2012 California was the 13th largest state in terms of natural gas production, with a total annual production of 248 billion cu feet of gas.[23] Today natural gas is the second most widely used energy source in California. Depending on yearly weather conditions, about 45% of the total natural gas used is now burned in natural gas fired electric generator plants for electricity generation as coal burning plants are phased out. Most of these plants are cogeneration plants that use high temperature burning gas to run gas turbines driven generators and use the captured turbine exhaust heat as power for a steam turbine driven generator set. By combining these technologies almost 60% of the energy from burning gas can be converted from heat into electrical power. About 9% of the natural gas is used in facilitating the extraction of more oil and gas. Roughly 21% is used for residential space and water heating, cooking, clothes drying, etc.; about 8.6% is used for commercial building and water heating, 14.5% is used in industrial use and some of the rest has varied uses such as fueling bus fleets and UPS trucks.[24]

California imports about 85% of its natural gas using six large gas lines. The majority of its natural gas comes from the American Southwest, the Rocky Mountain states, and Canada. The remaining 15% of California's natural gas is produced in-state, both off-shore and onshore.

Natural gas-fired electricity generator plants have been the dominant use of natural gas California for many years. Natural gas is a dispatchable resource that fills in the gaps from other electrical resources when peak power loads are needed. In addition, natural gas releases from a natural gas fired generator station are about half the CO2 that coal fired plants would use.[25] Typically California gets about 14% of its electricity from water generated electricity. The availability of hydroelectricity resources depends upon annual rainfall in the state so varies considerably year by year. The emergence of renewable and often highly variable resources for electricity generation such as solar and wind power has led to more natural gas use in generation with its much cheaper, more versatile and reliable source of electricity generation—so far.

Natural gas prices spiked in 2007 but have decreased significantly since then as more gas has become available nationwide. The biggest change in U.S. gas supply has been the expansion of total natural gas production in the Lower 48 States, which has increased 20% from 2005 to 2011. The increase is largely attributed to breakthroughs in horizontal drilling techniques and increased hydraulic fracturing.

Six major interstate pipelines deliver the 85% of natural gas imported to California. Inside California more than 100,000 miles of intrastate pipelines take the natural gas to customers for immediate consumption or to underground storage facilities for later use.[26] There are 10 operating natural gas storage facilities in California, which use underground depleted oil or natural gas production fields. All but three of them are owned by either Pacific Gas and Electric or Southern California Gas Company. The latest interstate pipeline additions are the 42 inch diameter Ruby Pipeline, LLC, which began operation in California near the Oregon border in July 2011,[27] and the Kern River Expansion, which came on-line in October 2011.

In literature and film[edit]

The early California oil industry has served as a setting for several notable fictional novels and films:

  • Oil! (1927), a novel of social criticism by Upton Sinclair is set against the background of the California oil industry and is loosely based on the career of Edward Doheny and events related to the Teapot Dome scandal.
  • There Will Be Blood (2007), a film loosely based on Oil!, as well as original research on Doheny and the early California oil industry.[28]
  • Boom Town (1940), a film about wildcatting in the mid-20th Century oil industry, including in the California oil fields. Much of the film was shot on location in California oil towns such as Taft and Bakersfield.


  1. ^ Harold F. Williamson et al. The American Petroleum Industry the Age of Energy 1899-1959 (1963) p 17
  2. ^ US Energy Information Administration, Crude oil production, accessed 10 Mar 2014
  3. ^ 1969 Santa Barbara Oil Spill "1969 Oil Spill - Summary Articles and Images". Archived from the original on 2016-11-07. Retrieved 2016-10-14. CS1 maint: discouraged parameter (link) accessed 12 Jan 2014
  4. ^ Richard Rice et al. The Elusive Eden: A New History of California (1988) p 317
  5. ^ Early California oil discoveries [1] Archived 2012-01-30 at Archive-It accessed 11 Jan 2014
  6. ^ Nelson, Mike (2020). "The Hunt for California Crude". AAPG Explorer. 41 (2): 18. Retrieved 13 February 2020. CS1 maint: discouraged parameter (link)
  7. ^ a b c d "Oil and Gas Production: History in California." State of California. Web. 18 Mar. 2013. < Archived 2012-01-30 at Archive-It>.
  8. ^ E. Hugenin, History of gas conservation in California (1945)
  9. ^ G. R. Hopkins and A. B. Coons, 1934, "Crude petroleum and petroleum products," in: Statistical Appendix to Minerals Yearbook 1932-33, US Bureau of Mines, p.306-307.
  10. ^ a b Archived 2012-01-30 at Archive-It. Oil and Gas Production: History in California
  11. ^ Arthur M. Johnson, "California and the National Oil Industry," Pacific Historical Review (1970) 39#2 pp. 155-169 at p 159
  12. ^ California shale oil production [2] accessed 12 Jan 2013
  13. ^ So Much Shale Oil—but So Hard to Get, Wall Street Journal, Updated Sept. 23, 2013
  14. ^ Brief Oil and Gas History of Santa Barbara County: Santa Barbara County Energy Division Archived 2011-05-27 at the Wayback Machine
  15. ^ Oil Chronology [3] accessed 11 Jan 2014
  16. ^ a b c Cleveland, Cutler J. (2009). Concise Encyclopedia of the History of Energy. Academic Press. pp. 167–168. ISBN 978-0123751171.
  17. ^ Charles M. Coleman, P.G. and E. of California: the centennial story of Pacific Gas and Electric Company, 1852-1952 (1952) p=299
  18. ^ (Coleman 1952, p. 300)
  19. ^ "Oil and Gas Production: History in California" (PDF). State of California Department of Conservation. p. 7. Archived from the original (PDF) on 2012-01-30. Retrieved 2014-03-08.
  20. ^ (Coleman 1952, pp. 304–6)
  21. ^ Brewer, Chris (2002). Historic Kern County: An Illustrated History of Bakersfield and Kern County. Historical Pub Network. pp. 64–65. ISBN 978-1893619142.
  22. ^ a b c (Coleman 1952, pp. 306–307)
  23. ^ California gas production [4] accessed 12 Jan 2014
  24. ^ California Uses for Natural Gas [5] Archived 2014-01-13 at the Wayback Machine accessed 12 Jan 2014
  25. ^ CO2 release from fossil fuel power production [6] Accessed 7 Mar 2014
  26. ^ CPUC, California Natural Gas Supply Infrastructure [7] Archived 2014-02-19 at the Wayback Machine accessed 12 Jan 2014
  27. ^ Ruby Pipeline Interconnect [8] accessed 12 Jan 2014
  28. ^ Kern’s past helped fuel new film by Shellie Branco, Bakersfield Californian, 11 January, 2008.

Further reading[edit]

  • Adamson, Michael R. "The Role of the Independent: Ralph B. Lloyd and the Development of California's Coastal Oil Region, 1900-1940." Business History Review (2010) 84#2 : 301-328. in JSTOR
  • Andreano, Ralph. "The structure of the California petroleum industry, 1895-1911." Pacific Historical Review (1970): 171-192. in JSTOR
  • Ansell, Martin R. Oil Baron of the Southwest: Edward L. Doheny and the Development of the Petroleum Industry in California and Mexico (Ohio State UP, 1998)
  • Bain, Joe Staten. The Economics of the Pacific Coast Petroleum Industry (3 vol. University of California Press, 1944–47)
  • Beaton, Kendall. Enterprise In Oil: A History Of Shell In The United States (1957) pp 59–112, 269-96; considerable detail on service stations
  • Blackford, Mansel G. The politics of business in California, 1890-1920 (Ohio State University Press, 1977)
  • California Department of Conservation Division of Oil, Gas and Geothermal Resources. "Oil and Gas Production History in California" (2005) online
  • California Energy Commission. California Energy Almanac (annual); statistics on California's energy consumption and industry. Covers electricity, natural gas/LNG, nuclear, petroleum, power plants, propane, renewable energy (biomass, geothermal, hydroelectric, solar and wind) and transportation. online
  • Coleman, Charles M. P.G. and E. of California: the centennial story of Pacific Gas and Electric Company, 1852-1952 (1952) 385 pp
  • Davis, Margaret Leslie. Dark Side of Fortune: Triumph and Scandal in the Life of Oil Tycoon Edward L. Doheny (U of California Press, 1998).
  • Elkind, Sarah S. "Oil in the City: The Fall and Rise of Oil Drilling in Los Angeles," Journal of American History (2012) 99#1 pp 82–90 online
  • Elkind, Sarah S. "Public Oil, Private Oil: The Tidelands Oil Controversy, World War II, and Control of the Environment," in The Way We Really Were: The Golden State in the Second Great War, ed. Roger W. Lotchin (Urbana, 2000), pp 120–42.
  • Franks, Kenny A. and Paul F. Lambert. Early California Oil: A Photographic History, 1865-1940 (Texas A&M UP, 1985); 260pp; an illustrated general history of the industry online
  • Freudenberg, William R. and Robert Gramling. Oil in Troubled Waters: Perceptions, Politics, and the Battle over Offshore Drilling (SUNY Albany, 1994)
  • Hutchinson, W. H. Oil, Land, and Politics: The California Career of Thomas Robert Bard (2 vol 1965)
  • Johnson, Arthur M. "California and the national oil industry." Pacific Historical Review (1970): 155-169. in JSTOR
  • Latta, Frank. Black gold in the Joaquin (1949)
  • Nash, Gerald D. "Oil in the West: Reflections on the Historiography of an Unexplored Field," Pacific Historical Review 39 (1970): 193-204
  • Quam-Wickham, Nancy. "'Cities Sacrificed on the Altar of Oil': Popular Opposition to Oil Development in 1920s Los Angeles," Environmental History (April 1998) 3#2 pp 189–209.
  • Rintoul, William. Drilling Through Time: 75 Years With California's Division of Oil and Gas (1990) 178pp
  • Sabin, Paul. Crude Politics: The California Oil Market, 1900–1940 (U of California Press, 2005).
  • Tompkins, Walker A. Little Giant of Signal Hill: An Adventure in American Enterprise (1964)
  • * Welty, Earl M, and Frank J Taylor. The 76 bonanza: The fabulous life and times of the Union Oil Company of California (1966) 351pp
  • White, Gerald T. Formative Years in the Far West: A History of Standard Oil Company of California and Predecessors Through 1919 (1962)
  • White, Gerald T. Scientists in Conflict: The Beginnings of the Oil Industry in California (Huntington Library, 1968), on 1860s
  • Williams, James C. Energy and the making of modern California (University of Akron Press, 1997)