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  2. New drilling technologies - Wikipedia

    en.wikipedia.org/wiki/New_drilling_technologies

    the price of boring rises linearly with depth; bore axis with neutral floating; the possibility to make vertical or inclined bores up to 10 km deep; the possibility to make large diameter bores – even 5 times larger than on the ground compared to today drilling technologies; casing formed on site in the borehole

  3. Table of handgun and rifle cartridges - Wikipedia

    en.wikipedia.org/wiki/Table_of_handgun_and_rifle...

    Common rifle cartridges, from the largest .50 BMG to the smallest .22 Long Rifle with a $1 United States dollar bill in the background as a reference point.. This is a table of selected pistol/submachine gun and rifle/machine gun cartridges by common name.

  4. Fullbore target rifle - Wikipedia

    en.wikipedia.org/wiki/Fullbore_target_rifle

    Fullbore target rifle (TR) is a precision rifle shooting-sport discipline governed by the International Confederation of Fullbore Rifle Associations (ICFRA). [1] TR uses single-shot rifles, usually chambered in .308 calibre, with circular "bullseye" targets at distances of 300–1000 yards.

  5. 7 of the most famous American investors - AOL

    www.aol.com/finance/7-most-famous-american...

    Investment approach: Deep value investing, investing in net-net companies whose price was below their cash on hand Ben Graham is hailed as the father of value investing, an approach that tries to ...

  6. Bowl game schedule today: Breaking down the two college ...

    www.aol.com/bowl-game-schedule-today-breaking...

    College football's bowl season continues Wednesday with a pair of games on opposite coasts. We break down the Boca Raton Bowl and LA Bowl.

  7. PDA pics of Mauricio Umansky and Klaudia K emerged, but Kyle Richards' estranged husband is reportedly not looking for "anything serious" with the model.

  8. List of abbreviations in oil and gas exploration and production

    en.wikipedia.org/wiki/List_of_abbreviations_in...

    B or b – prefix denoting a number in billions; BA – bottom assembly (of a riser) bbl – barrel bbl/MMscf – barrels per million standard cubic feet

  9. Deep hole drilling - Wikipedia

    en.wikipedia.org/wiki/Deep_hole_drilling

    Thus very high surface qualities with bore hole tolerances of IT 9 to IT 7 can be achieved by deep hole drilling processes. Subsequent steps to improve the surface quality of the bore hole can often be reduced or eliminated completely. A further advantage is the low burr formation for trough holes and for over-drilling cross holes. [1]