This Week in Petroleum History: April 29 – May 5

April 30, 1929 – Marland Oil and Continental Oil become Conoco –

After discovering several Oklahoma oil and gas fields, Marland Oil Company acquired Continental Oil Company to create a network of service stations in 30 states. Future Oklahoma Governor Ernest W. Marland founded Marland Oil in 1921; Continental Oil Company was founded in 1875 in Utah, where it refined oil into kerosene.

Conco logo red triangle

After Continental Oil and Marland Oil combined in 1929, the new company used this logo until 1970.

Headquartered in Ponca City, the new company retained the name of Continental Oil, but adopted the well-known Marland red triangle trademark, replacing the “Marland Oils” text with “Conoco.” The company merged with Phillips Petroleum (first incorporated in 1917), to become ConocoPhillips in 2002.

Learn more by visiting the ConocoPhillips Petroleum Museums.

April 30, 1955 – Landmen form Trade Association

The American Association of Professional Landmen (AAPL) organized as a petroleum landmen trade association in Fort Worth, Texas. AAPL members research records to determine well ownership, locate mineral and land owners, and negotiate oil and natural gas leases, trades and contracts. With 12,000 members, AAPL assists in compliance with state and federal regulations, according to the association, which will host its 70th annual meeting this June in Boston.

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May 1, 1860 – First West Virginia Oil Well

As the Civil War approached, Virginia’s petroleum industry began when John Castelli ”Cass” Rathbone completed an oil well near Burning Springs Run in what today is West Virginia. His well — drilled using a spring pole — reached 300 feet and began producing 100 barrels of oil a day.

Rathbone drilled more wells in the valley of the Little Kanawha River southwest of Parkersburg. It was the first petroleum boom to take place outside the Pennsylvania oilfields, revealed by the first U.S. well at Titusville a year earlier.

Oil Country Scene, an 1869 post card of West Virginia oil derricks.

Following the 1860 oil discovery at Burning Springs, Appalachian drillers applied cable-tool technologies to drill deeper. Circa 1870 photo courtesy West Virginia Humanities Council.

By the end of 1860, the “Burning Springs Oil Rush” resulted in more than 600 oil leases registered in the Wirt County courthouse. Warehouses were built along the Little Kanawha River, which reached the Ohio River at Parkersburg.

“These events truly mark the beginnings of the oil and gas industry in the United States,” proclaimed West Virginia historian David McKain in 1994, adding that the region’s oil wealth helped bring about statehood in June 1863. Many of the new state’s politicians were “oil men — governor, senator and congressman — who had made their fortunes at Burning Springs.”

Visit West Virginia’s oil and gas museum in downtown Parkersburg.

May 1, 1916 – Harry Sinclair founds Sinclair Oil & Refining

Harry Ford Sinclair combined several depressed oil properties, five small refineries and many untested leases — all acquired at bargain prices. He began with $50 million in assets and borrowed another $20 million to form Sinclair Oil & Refining Corporation.

Sinclair Oil & Refining Corporation founder Harry Sinclair on the U.S. Capitol steps in January 1923.

Sinclair Oil & Refining Corporation founder Harry Sinclair on the U.S. Capitol steps in January 1923. Photo Courtesy Library of Congress.

In its first 14 months, Sinclair’s New York-based company produced six million barrels of oil for a net income of almost $9 million ($258 million in 2024 dollars). The company’s petroleum refining capacity grew to 150,000 barrels of oil a day in 1932.

Sinclair was implicated in the Teapot Dome Scandal, which led to the 1929 conviction of Interior Secretary Albert Fall, but his company went on to become one of the oldest continuous names in the U.S. petroleum industry. The marketing icon Sinclair Oil dinosaur appeared as an exhibit at the 1933-1934 World’s Fair in Chicago. Sinclair died in 1956 at age 80.

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May 1, 1931 – Railroad Commission limits East Texas Oil Production

The first proration order from the Texas Railroad Commission (RRC) for the giant East Texas oilfield took effect after excessive production following the Daisy Bradford No. 3 well one year earlier caused a massive collapse in oil prices. With hundreds of wells producing almost one million barrels per day, oil prices had fallen to as low as 10 cents a barrel. The commission’s order — unpopular with independent producers but enforced by Texas Rangers — limited production and stabilized prices.

May 1, 2001 – Oklahoma Plaza honors Oil Pioneers

The Conoco Oil Pioneers of Oklahoma Plaza was dedicated at the Sam Noble Museum at the University of Oklahoma, Norman. Thomas B. Slick, who discovered Oklahoma’s giant Cushing oilfield in 1912, is among those honored.

Thomas B. Slick is among those honored at the Conoco Oil Pioneers outdoor plaza at the Sam Noble Museum, University of Oklahoma, Norman.

Thomas B. Slick relief at Conoco Oil Pioneers outdoor plaza at the Sam Noble Museum, University of Oklahoma, Norman.

“The history of the state of Oklahoma is inextricably linked with the remarkable history of the oil industry,” proclaimed Conoco Chairman Archie Dunham. “The individuals identified here are true Oklahoma oil pioneers in that their endeavors were most significant in the development of the oil and gas industry in this very young state.”

Learn more in Oklahoma’s King of the Wildcatters,

May 2, 1921 – Oil discovered in Texas Panhandle

Following a series of discoveries revealing the giant Hugoton natural gas field in the Texas Panhandle, a well drilled in Carson County found an oilfield instead. Gulf Oil Company completed its wildcat well on the 6666 (the “Four Sixes”) Ranch of S.B. Burnett several miles east of the natural gas wells. The discovery attracted major exploration and oilfield service companies to Amarillo. In 1926, a giant oilfield was discovered to the northeast by Asa Phillip “Ace” Borger, who founded the oil boom town of Borger. Learn more at the Hutchinson County Historical Museum.

May 3, 1870 – Lantern with Two Spouts patented

Jonathan Dillen of Petroleum Centre, Pennsylvania, received a patent for his “safety derrick lamp” — a two-wicked lantern that would become known as the “Yellow Dog” in America’s earliest oilfields. Dillen designed his device “for illuminating places out of doors, especially in and about derricks, and machinery in the oil regions, whereby explosions are more dangerous and destructive to life and property than in most other places.”

1870 patent drawing of two-wicked oil derrick safety lantern.

Patented in 1870, a popular two-wicked oilfield derrick lamp would become known as the “yellow dog.”

“My improved lamp is intended to burn crude petroleum as it comes from the wells fresh and gassy,” he added. How the once widely used lamp got its name has remained a mystery, but some say the two burning wicks resembled a dog’s glowing eyes at night.

Learn more in Yellow Dog – Oilfield Lantern.

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May 4, 1869 – Offshore Drilling Platform Design patented

The first U.S. patent for an offshore drilling rig was issued to Thomas Rowland, owner of Continental Iron Works in Greenpoint, New York, for his “submarine drilling apparatus.” His remarkably advanced platform included a fixed, working platform for drilling in a water depth of up to 50 feet.

May 1869 offshore drilling rig patent drawing by Thomas Rowland.

Thomas Rowland’s design for an offshore drilling platform with telescoping legs was ahead of its time.

Rowland’s anchored, four-legged tower concept would be adapted for modern platforms. His Continental Iron Works also became a world leader in gas fittings, welding, and oil tank design and construction. The American Society of Civil Engineers in 1882 issued its first Thomas Fitch Rowland Prize. which is still annually awarded.

Learn more in Offshore Rig Patent.

May 5, 1889 – Construction begins on Largest U.S. Refinery

Near Chicago, on the southern shore of Lake Michigan, Standard Oil Company began construction of a 235-acre refinery complex using advanced processes. A newly patented technology would allow the Whiting, Indiana, refinery to process sulfurous “sour crude” from Lima, Ohio, oilfields. The oil would be transported on company-controlled railroads. The giant refinery (now operated by BP) originally produced high-quality kerosene for lamps. BP completed a multi-year, multi-billion dollar modernization project at the refinery in 2013.

Learn more in Standard Oil Whiting Refinery.

May 5, 1907 – A Marker to North Texas Petroleum History

Outside Oil City (today Petrolia),Texas, the Clayco Oil & Pipe Line Company completed its Lochridge No.1 well, “site of the first gas well in Texas,” according to a granite marker that credits local rancher J.W. Lochridge for the discovery east of Wichita Falls.

“This discovery marked the beginning of intensive development of the gas industry in Texas,” the marker explains, adding that a 1901 oil well in what proved to be the Henrietta-Petrolia field had disappointed Lochridge.

Clayco Oil and Pipeline Company's stone marker on Texas Highway 148 just south of Petrolia.

Clayco Oil & Pipe Line Company commemorated its 1907 discovery in North Texas with a marker that has endured near Highway 148 south of Petrolia.

As a 2016 article in North Texas Farm & Ranch explained, “Lochridge was disappointed because he needed water for his livestock. He found a use for the oil, using it in his dipping vats to rid his cattle of parasites.”

The Clayco Oil & Pipe Line Company marker in the Henrietta-Petrolia field acknowledges Lone Star Gas Company for constructing the state’s first large-diameter natural gas pipeline in 1920 to Fort Worth and Dallas. Lone Star Gas became Enserch Corporation in 1975.

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Recommended Reading: Where it All Began: The story of the people and places where the oil & gas industry began: West Virginia and southeastern Ohio (1994); “King of the Wildcatters:” The Life and Times of Tom Slick, 1883-1930 (2004). The Extraction State, A History of Natural Gas in America (2021); Erle P. Halliburton: Genius with Cement (1959); Your Amazon purchase benefits the American Oil & Gas Historical Society. As an Amazon Associate, AOGHS earns a commission from qualifying purchases.

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The American Oil & Gas Historical Society (AOGHS) preserves U.S. petroleum history. Please become an AOGHS annual supporter and help maintain this energy education website and expand historical research. For more information, contact bawells@aoghs.org. Copyright © 2024 Bruce A. Wells. All rights reserved.

Secret History of Drill Ship Glomar Explorer

Advanced 1970s offshore technologies, Howard Hughes, and the CIA project to raise a lost Soviet submarine.

 

The Glomar Explorer left behind two remarkable offshore exploration histories — a clandestine submarine recovery vessel and the world’s most advanced deep water drill ship for the petroleum industry. The CIA’s former “ocean mining” vessel ended its offshore career in a Chinese scrap yard in 2015. 

Considered the pioneer of modern drill ships, the Glomar Explorer was decades ahead of its time working at extreme depths for the U.S. offshore petroleum industry. Relaunched in 1998 as an offshore technological phenomenon, the original Glomar Explorer had been constructed as a top-secret project of the Central Intelligence Agency. 

Central Intelligence Agency's secret ship, the Hughes Glomar Explorer,

The Central Intelligence Agency’s Hughes Glomar Explorer, a custom-built “magnesium mining vessel,” in 1974 recovered part of a Soviet submarine that had sunk off Hawaii in 1968. Photo courtesy American Society of Mechanical Engineers.

CIA Project Azorian began soon after the U.S.S.R. ballistic missile submarine K-129 mysteriously sank somewhere in the deep Pacific Ocean northeast of Hawaii on March 8, 1968.  The wreckage of the lost sub could never be found — or so it seemed.

Unknown to the Soviets, sophisticated U.S. Navy sonar technology would locate the K-129 on the seabed at a depth of 16,500 feet. But a salvage operation more than three miles deep was impossible with any known technology (see ROV – Swimming Socket Wrench).

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The K-129 sinking presented the CIA with such an espionage opportunity that the agency convinced President Richard Nixon to approve a secret operation to attempt raising the vessel — intact — from the ocean floor.

Secretive billionaire Howard Hughes Jr. of Hughes Tool Company joined the mission, code-named Project Azorian (mistakenly called Project Jennifer in news media accounts).

The recovery effort would involve years of deception: Deep ocean mining would be the cover story for construction of the Hughes Glomar Explorer.

Hughes and Ocean Mining

Scientists and venture capitalists had long seen potential in ocean mining, but when Hughes appeared to take on the challenge, the world took notice. The well-publicized plan described harvesting magnesium nodules from record depths with a custom-built ship that would push engineering technology to new limits, typical of Hughes’ style. The story spread.

But from concept to launch, the Hughes Glomar Explorer really had only one purpose: raise the sunken Soviet Golf-II class submarine from 1968 – and any ballistic missiles. In 1972, construction began in a Delaware River dry-dock south of Philadelphia. The $350 million (about $2.37 billion in 2023), Hughes’ high-tech ship was ostensibly built to mine the sea floor.

On August 8, 1974, the “magnesium mining vessel” secretly raised part of the 2,000-ton K-129 through a hidden well opening in the hull and a “claw” of mechanically articulated fingers that used sea water as a hydraulic fluid. News about Project Azorian leaked within six months.

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On February 7, 1974, the Los Angeles Times broke the story: “CIA Salvage Ship Brought Up Part Of Soviet Sub Lost In 1968, Failed To Raise Atom Missiles.” 

The L.A. Times article by Pulitzer-Prize winning journalist Seymour Hersh ended the high-tech vessel’s spying career. The government transferred Hughes Glomar Explorer to the Navy in 1976 for an extensive $2 million preparation for storage in dry dock. With its CIA days over, Hughes Glomar Explorer spent almost two decades mothballed at Suisun Bay, California.

 Los Angeles Times revealed the clandestine Glomar Explorer project on February 7, 1974.

Seymour Hersh of the Los Angeles Times revealed the clandestine project on February 7, 1974. An investigative reporter, he had won the Pulitzer Prize in 1970 for exposing the My Lai massacre.

Pioneer Drill Ship

London-based Global Marine had converted the CIA vessel for commercial use. The company hired Electronic Power Design of Houston, Texas, to work on the advanced electrical system. After almost 20 years in storage, condition of equipment inside the ship surprised Electronic Power Design CEO John Janik.

“Everything was just as the CIA had left it,” Janik explained, “down to the bowls on the counter and the knives hanging in the kitchen. Even though all the systems were intact, this was by no means an ordinary ship.”

Janik noted in 2015 for The Maritime Executive that his company’s retrofit was “a tough job because the ship’s wiring was unlike anything we had ever seen before,” although preservation had been helped by nitrogen pumped into the ship’s interior for two decades.

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Conversion work later included a Mobile, Alabama, shipyard adding a derrick, drilling equipment, and 11 positioning thrusters capable of a combined 35,200 horsepower.

Completed in 1998 as the world’s largest drillship, Glomar Explorer began a long-term lease from the U.S. Navy to Global Marine Drilling for $1 million per year.

The advanced drilling ship spent the next 17 years working in deep-water sites around the globe, including Africa’s Nigerian delta, the Black Sea, offshore Angola, Indonesia, Malta, Singapore, and Malaysia.

Following a series of corporate mergers, Glomar Explorer became part of the largest offshore drilling contractor, the Swiss company Transocean Ltd. When it entered that company’s fleet, the ship was renamed GSF Explorer, and in 2013 was re-flagged from Houston to the South Pacific’s Port Vila in Vanuatu.

Glomar Explorer, former CIA vessel, began a record-setting career in 1998

The formerly top secret CIA vessel Glomar Explorer began a record-setting career in 1998 as a technologically advanced deep water drill ship. Photo courtesy American Society of Mechanical Engineers.

When GSF Explorer arrived at the Chinese ship breaker’s yard in 2015, many offshore industry trade publications took notice of the ship’s demise after years of exceptional deep drilling service. The ship was “decades ahead of its time and the pioneer of all modern drill ships,” declared the Electronic Power Design CEO in The Maritime Executive article.

“It broke all the records for working at unimaginable depths and should be remembered as a technological phenomenon,”  Janik concluded.

Soon after the former Glomar Explorer was sold for scrap, Tom Speight of the engineering firm O’Reilly, Talbot & Okun, reflected in a company post, “This is a shame, not only because of the ship’s nearly unbelievable history, but also because in 2006 the American Society of Mechanical Engineers designated this technologically remarkable ship a historic mechanical engineering landmark.”

The ASME award ceremony, which took place on July 20, 2006, in Houston, included members of the original engineering team and ship’s crew among the attendees. Past President Keith Thayer noted the important contributions the ship made to the development of mechanical engineering and innovations in offshore drilling technology.

The historic ship’s name will be forever be linked to the ship’s CIA brief service during the Cold War. For many veteran journalists, the agency’s chronic response to inquiries, “We can neither confirm nor deny,” is still known as the “Glomar response.”

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Recommended Reading: The CIA’s Greatest Covert Operation: Inside the Daring Mission to Recover a Nuclear-Armed Soviet Sub (2012); Project Azorian: The CIA and the Raising of the K-129 (2012). Your Amazon purchase benefits the American Oil & Gas Historical Society. As an Amazon Associate, AOGHS earns a commission from qualifying purchases.

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The American Oil & Gas Historical Society (AOGHS) preserves U.S. petroleum history. Become an AOGHS annual supporting member and help maintain this energy education website and expand historical research. For more information, contact bawells@aoghs.org. Copyright © 2024 Bruce A. Wells. All rights reserved.

Citation Information – Article Title: “Secret Offshore History of Drill Ship Glomar Explorer.” Authors: B.A. Wells and K.L. Wells. Website Name: American Oil & Gas Historical Society. URL: https://aoghs.org/oil-almanac/secret-offshore-history-of-the-glomar-explorer. Last Updated: January 25, 2024. Original Published Date: February 8, 2020.

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