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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. Top drive - Wikipedia

   en.wikipedia.org/wiki/Top_drive

   The top drive allows the drilling rig to drill the longer section of a stand of drill pipe in one operation. [1] A rotary table type rig can only drill 30-foot (9.1 m) (single drill pipe) sections of drill pipe whereas a top drive can drill 60–90-foot (18–27 m) stands (double and triple drill pipe respectively, a triple being three joints of drillpipe screwed together), depending on the ...

5. Drill bit sizes - Wikipedia

   en.wikipedia.org/wiki/Drill_bit_sizes

   Fractional drill bit set by Craftsman. Fractional-inch drill bit sizes are still in common use in the United States and in any factory (around the globe) that makes inch-sized products for the U.S. market. ANSI B94.11M-1979 sets size standards for jobber-length straight-shank twist drill bits from 1/64 inch through 1 inch in 1/64 inch increments.

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. China service of the Lincoln administration - Wikipedia

   en.wikipedia.org/wiki/China_service_of_the...

   Pieces of the 1861 Lincoln "solferino" state china on display in the National Museum of American History in Washington, D.C.. The china service of the Lincoln administration generally refers to a set of purple-banded china dishes used for serving and eating food at the White House, home of the president of the United States for state dinners.

8. Bridgeport rig - Wikipedia

   en.wikipedia.org/wiki/Bridgeport_rig

   The Bridgeport rig was patented in 1882 by Louis S. Flatau, sheriff of Camp County, Texas. [1]Flatau envisioned mounting the item on a belt or a saddle.A modified hammer screw with a large head that protruded 3/4" from the frame would be installed on the Colt.

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]