Search results
Results from the WOW.Com Content Network
The Kola Superdeep Borehole SG-3 (Russian: Кольская сверхглубокая скважина СГ-3, romanized: Kol'skaya sverkhglubokaya skvazhina SG-3) is the deepest human-made hole on Earth (since 1979), which attained maximum true vertical depth of 12,262 metres (40,230 ft; 7.619 mi) in 1989. [1]
The Xiaozhai Tiankeng has been well known to local people since ancient times. Xiaozhai is the name of an abandoned village nearby and literally means "little village", and "Tiankeng" means Heavenly Pit, a unique regional name for sinkholes in China.
The Bertha Rogers Borehole is a former natural gas well in Burns Flat, Dill City, Oklahoma, US.Today plugged and abandoned, it was originally drilled by the Lone Star Producing Company as its oil-exploratory hole number 1–27 between October 25, 1972 and April 13, 1974, reaching a then world record terminal depth of 31,441 feet (5.9547 mi; 9,583 m).
As the race in space was winding down, soviet scientists turned inwards. You'd never guess that this is the site of one of their great achievements. This hard-to-find rusty cap in the ruins of a ...
Taam Ja' blue hole is an underwater sinkhole located in Chetumal Bay at the southeast corner of the Yucatán Peninsula.Its name means deep water in the Mayan language and, at over 420 metres (1,380 ft) deep, it is the deepest known blue hole.
the deepest boreholes (Core drill, for geological exploration), and; the longest boreholes ( Extended Reach Drilling , for oil production). Pages in category "Deepest boreholes"
Indeed, new measurements taken during a December scuba-diving expedition indicate that the Taam Ja’ Blue Hole (TJBH), located in Chetumal Bay off the Yucatan Peninsula, extends at least 1,380 ...
If you keep a planner, it's time to buy one for 2025. We've tracked down the year's best planners from Amazon, Rifle Paper Co., Plum Paper, and more.