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  2. List of components of oil drilling rigs - Wikipedia

    en.wikipedia.org/wiki/List_of_components_of_oil...

    Drill bit (#26) is a device attached to the end of the drill string that breaks apart the rock being drilled. It contains jets through which the drilling fluid exits. Drill floor (#21) is the area on the rig where the tools are located to make the connections of the drill pipe, bottom hole assembly, tools and bit. It is considered the main area ...

  3. Swivel (drill rig) - Wikipedia

    en.wikipedia.org/wiki/Swivel_(drill_rig)

    A Swivel is a mechanical device used on a drilling rig that hangs directly under the traveling block and directly above the kelly drive, that provides the ability for the kelly (and subsequently the drill string) to rotate while allowing the traveling block to remain in a stationary rotational position (yet allow vertical movement up and down the derrick) while simultaneously allowing the ...

  4. Kelly drive - Wikipedia

    en.wikipedia.org/wiki/Kelly_drive

    Simple diagram of a drilling rig and its basic operation. The kelly drive is #19. A kelly drive is a type of well drilling device on an oil or gas drilling rig that employs a section of pipe with a polygonal (three-, four-, six-, or eight-sided) or splined outer surface, which passes through the matching polygonal or splined kelly (mating) bushing and rotary table.

  5. Drill bit sizes - Wikipedia

    en.wikipedia.org/wiki/Drill_bit_sizes

    Metric drill set, 1.0–6.0 mm by 0.1 mm, jobber length. The case that holds them in an indexed order (by size), via a graduated series of holes, is called a drill index. Metric drill bit sizes define the diameter of the bit in terms of standard metric lengths. Standards organizations define sets of sizes that are conventionally manufactured ...

  6. Abraham Lincoln's patent - Wikipedia

    en.wikipedia.org/wiki/Abraham_Lincoln's_patent

    Abraham Lincoln's patent relates to an invention to buoy and lift boats over shoals and obstructions in a river. Abraham Lincoln conceived the invention when on two occasions the boat on which he traveled got hung up on obstructions. Lincoln's device was composed of large bellows attached to the sides of a boat that were expandable due to air ...

  7. WearEver Cookware - Wikipedia

    en.wikipedia.org/wiki/Wearever_Cookware

    WearEver Cookware can trace its origins back to 1888 when Charles Martin Hall, a young inventor from Oberlin, Ohio discovered an inexpensive way to smelt aluminum by perfecting the electrochemical reduction process that extracted aluminum from bauxite ore.

  8. Lincoln LS - Wikipedia

    en.wikipedia.org/wiki/Lincoln_LS

    The Lincoln LS is a four-door, five-passenger luxury sedan manufactured and marketed by Ford's Lincoln division over a single generation from 1999 until 2006. Introduced in June 1999 for the 2000 model year, the LS featured rear-wheel drive and near 50/50 weight distribution [1] and was available with a V8 or V6, the latter initially offered with a manual transmission.

  9. Lincoln Drill Hall - Wikipedia

    en.wikipedia.org/wiki/Lincoln_Drill_Hall

    The Drill, previously known as Lincoln Drill Hall, [1] is a former drill hall in Lincoln, England, which is now used as a multi-purpose community hub, hosting live music, comedy shows, pantomimes [2] and live wrestling performances. [3] It is currently under the stewardship of the Lincoln College Group. [4]

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