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2. Mud motor - Wikipedia

   en.wikipedia.org/wiki/Mud_motor

   A mud motor (or drilling motor) is a progressive cavity positive displacement pump (PCPD) placed in the drill string to provide additional power to the bit while drilling. The PCPD pump uses drilling fluid (commonly referred to as drilling mud, or just mud) to create eccentric motion in the power section of the motor which is transferred as ...

3. Drilling fluid - Wikipedia

   en.wikipedia.org/wiki/Drilling_fluid

   The mud then carries the crushed or cut rock ("cuttings") up the annular space ("annulus") between the drill string and the sides of the hole being drilled, up through the surface casing, where it emerges from the top. Cuttings are then filtered out with either a shale shaker or the newer shale conveyor technology, and the mud returns to the ...

4. Mud pump - Wikipedia

   en.wikipedia.org/wiki/Mud_pump

   A mud pump (sometimes referred to as a mud drilling pump or drilling mud pump), is a reciprocating piston/plunger pump designed to circulate drilling fluid under high pressure (up to 7,500 psi or 52,000 kPa) down the drill string and back up the annulus. A mud pump is an important part of the equipment used for oil well drilling.

5. Progressing cavity pump - Wikipedia

   en.wikipedia.org/wiki/Progressing_cavity_pump

   A progressing cavity pump is a type of positive displacement pump and is also known as a progressive cavity pump, progg cavity pump, eccentric screw pump or cavity pump.It transfers fluid by means of the progress, through the pump, of a sequence of small, fixed shape, discrete cavities, as its rotor is turned.

6. Navy pulls off dominant upset over No. 22 Army, led by QB ...

   www.aol.com/navy-pulls-off-dominant-upset...

   Horvath then led the team down the field, and ran the final yard to get another touchdown, leading 28-13. With seven minutes left in the game, the Navy defense pulled off another wild interception.

7. Screw-propelled vehicle - Wikipedia

   en.wikipedia.org/wiki/Screw-propelled_vehicle

   A screw-propelled vehicle A screw-propelled vehicle is a land or amphibious vehicle designed to cope with difficult terrain, such as snow, ice, mud, and swamp. Such vehicles are distinguished by being moved by the rotation of one or more auger-like cylinders fitted with a helical flange that engages with the medium through or over which the vehicle is moving. They have been called Archimedes ...

8. Notre Dame will soon reopen. Here’s what you need to know - AOL

   www.aol.com/notre-dame-soon-reopen-know...

   Notre Dame, the treasured Gothic gem in Paris that went up in flames in 2019, will officially reopen Saturday.. Immediately after the fire, French President Emmanuel Macron made the ambitious ...

9. Roush Performance - Wikipedia

   en.wikipedia.org/wiki/Roush_Performance

   Perhaps best known of these Roush-modified vehicles is the Ford Mustang, which in 2016 is available in the "RS" (3.7 liter V6, with body kit, stripes, wheels, and interior modifications only), "Stage 1" (standard 5.0 liter V8, with body kit, stripes, wheels, and interior modifications only), "Stage 2" (standard 5.0 liter V8, with body kit ...