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  2. Roller cone bit - Wikipedia

    en.wikipedia.org/wiki/Roller_cone_bit

    The bits are further classified based on their internal bearings. Each bit has three rotating cones and each one will rotate on its own axis during drilling. While the bits are fixed to the drilling rigs, the rotation of the drill pipe will be in a clockwise direction and the roller cones are rotated in an anti-clockwise direction.

  3. Bottom bracket - Wikipedia

    en.wikipedia.org/wiki/Bottom_bracket

    Sealed cartridge bottom brackets are normally two pieces, a unit holding the spindle and bearings that screws into the bottom bracket shell from the drive side and a screw-in support cup (often made of light alloy or plastic) that supports the spindle and bearing assembly on the non-drive side.

  4. Drill bit (well) - Wikipedia

    en.wikipedia.org/wiki/Drill_bit_(well)

    In the oil and gas industry, a drill bit is a tool designed to produce a generally cylindrical hole in the Earth’s crust by the rotary drilling method for the discovery and extraction of hydrocarbons such as crude oil and natural gas. This type of tool is alternately referred to as a rock bit, or simply a bit. The hole diameter produced by ...

  5. Bottom hole assembly - Wikipedia

    en.wikipedia.org/wiki/Bottom_hole_assembly

    A bottom hole assembly (BHA) is a component of a drilling rig. It is the lowest part of the drill string , extending from the bit to the drill pipe . The assembly can consist of drill collars, subs such as stabilisers, reamers, shocks, hole-openers, and the bit sub and bit.

  6. Curb bit - Wikipedia

    en.wikipedia.org/wiki/Curb_bit

    A curb bit works on several parts of a horse's head and mouth. The bit mouthpiece acts on the bars, tongue and roof of the mouth. The shanks add leverage and place pressure on the poll via the crownpiece of the bridle, to the chin groove via the curb chain, and, especially with a "loose jaw" shank, may act on the sides of the mouth and jaw.

  7. The Nasty Bits - Wikipedia

    en.wikipedia.org/wiki/The_Nasty_Bits

    The Nasty Bits: Collected Varietal Cuts, Usable Trim, Scraps, and Bones, is a largely nonfiction New York Times bestselling book by Anthony Bourdain, published in 2006.The book is a collection of 37 exotic, provocative, and humorous anecdotes and essays, many of them centered around food, followed by a 30-page fiction piece ("A Chef's Christmas").