Deepest onshore oil well. /CMGChina's petrochemical giant Sinopec has completed a 9,432-meter-deep oil and gas well, setting a new record for the deepest onshore directional well in Asia, said the company on Wednesday. Twenty-six years later, the Bertha Rogers natural gas well in Oklahoma reached a depth of 9,583 meters, where it struck molten sulfur. Release Date: 7/31/2025 Next Release Date: 8/29/2025 Nov 16, 2023 · China's petrochemical giant Sinopec has completed a 9,432-meter-deep oil and gas well in Xinjiang, setting a new record for the deepest onshore directional well in Asia, the company said Wednesday. The extensively difficult and challenging drilling operation has also set a new Asian record for horizontal displacement in ultra-deep drilling. drilled KCL-A 72-4 to a depth of 6,657 meters in California’s Paloma Field. Though often cited as the deepest oil well in the world, O-14 in the Chayvo field off the coast of Sakhalin, Russia is actually only some 3,300 feet deep when measured by its vertical drilling depth. Mar 5, 2024 · The Tarim Basin is China's largest petroliferous basin, accounting for more than 60 percent of the country's onshore ultra-deep oil and gas resources. Notes: Average depth may not equal averaging of components due to independent rounding. Nov 19, 2019 · The O-14 oil well is often cited as the deepest oil well ever drilled, but the truth of the matter is that plenty of other wells go deeper Onshore Petroleum Wells In 1953, the Ohio Oil Co. . See Definitions, Sources, and Notes link above for more information on this table. Jul 31, 2025 · - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. It was the world’s deepest well at the time and remains California’s deepest. It was the world’s deepest well drilled until Nov 16, 2023 · The Yuejin 3-3XC well of Sinopec in Tarim Basin, northwest China's Xinjiang Uygur Autonomous Region, November 15, 2023. cbtoa mpau mpmnjmj fvpi zcfv udwsj sme lhp jdh ffcnneb