WebA borehole is a narrow shaft bored in the ground, either vertically or horizontally. A borehole may be constructed for many different purposes, including the extraction of water (drilled water well and tube well), other liquids (such as petroleum), or gases (such as natural gas).It may also be part of a geotechnical investigation, environmental site …

WebThe Kola Superdeep Borehole (Russian: Кольская сверхглубокая скважина, romanized: Kol'skaya sverkhglubokaya skvazhina) SG-3 is the result of a scientific drilling project of the Soviet Union in the Pechengsky District, near the Russian border with Norway, on the Kola Peninsula.The project attempted to drill as deeply as possible into the Earth's crust.

WebCasing is a large diameter pipe that is assembled and inserted into a recently drilled section of a borehole. Similar to the bones of a spine protecting the spinal cord, casing is set inside the drilled borehole to protect and support the wellstream. The lower portion (and sometimes the entirety) is typically held in place with cement.

WebOct 30, 2009 · The primary author of the “Social history of viruses” Wikipedia article spent more than two years writing it. Now, it is a featured article, meaning it is considered to be one of the best Wikipedia has to offer, as determined by Wikipedia's editors. en.wikipedia.org.

WebThe Oak Island mystery is a series of stories of buried treasure and unexplained objects found on or near Oak Island in Nova Scotia.Since the 18th century, attempts have been made to find treasure and artifacts. Theories about artifacts present on the island range from pirate treasure to Shakespearean manuscripts to the Holy Grail or the Ark of the …

WebLe forage sg3 ou forage profond de Kola (Кольская сверхглубокая скважина en russe) ou encore forage de Zapoliarny, du nom de la ville la plus proche, est un forage effectué à partir du 24 mai 1970 [1] et jusqu'en 1989 en Russie, dans la péninsule de Kola.. Ce forage a été pendant deux décennies, le forage le plus profond du monde (profondeur verticale réelle).

WebViola is a genus of flowering plants in the violet family Violaceae.It is the largest genus in the family, containing between 525 and 600 species. Most species are found in the temperate Northern Hemisphere; however, some are also found in widely divergent areas such as Hawaii, Australasia, and the Andes.. Some Viola species are perennial plants, some are …

WebGoals of ice drilling. The first scientific ice drilling expeditions, led by Louis Agassiz from 1840 to 1842, had three goals: to prove that glaciers flowed, to measure the internal temperature of a glacier at different depths, and to measure the thickness of a glacier. Proof of glacier motion was achieved by placing stakes in holes drilled in a glacier and tracking …

WebThe Hari River (Persian: هریرود or Dari: هری رود, romanized: Harī Rōd; Pashto: د هري سیند) or Herat River is a river flowing 1,100 kilometres (680 mi) from the mountains of central Afghanistan to Turkmenistan, where it forms the Tejend oasis and disappears in the Karakum Desert.In its lower course, the river forms a northern part of the border between …

WebThe Sakhalin-I (Russian: Сахалин-1) project, a sister project to Sakhalin-II, is a consortium for production of oil and gas on Sakhalin Island and immediately offshore. It operates three fields in the Okhotsk Sea: Chayvo, Odoptu and Arkutun-Dagi.. In 1996, the consortium completed a production-sharing agreement between the Sakhalin-I consortium, the …