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2. Pressure tank - Wikipedia

   en.wikipedia.org/wiki/Pressure_tank

   A diaphragm type pressurizer on a domestic rainwater system, with the pump and Square D pressure switch in the background. A pressure tank or pressurizer is a type of hydraulic accumulator used in a piping system to maintain a desired pressure. Applications include buffering water pressure in homes. [1]

3. Pressure switch - Wikipedia

   en.wikipedia.org/wiki/Pressure_switch

   Uses of pneumatic pressure switches include: Switch a household well water pump automatically when water is drawn from the pressure tank. Switching off an electrically driven gas compressor when a set pressure is achieved in the reservoir; Switching off a gas compressor, whenever there is no feed in the suction stage. in-cell charge control in ...

4. Oil well control - Wikipedia

   en.wikipedia.org/wiki/Oil_well_control

   Pump pressure, which is also referred to as system pressure loss, is the sum total of all the pressure losses from the oil well surface equipment, the drill pipe, the drill collar, the drill bit, and annular friction losses around the drill collar and drill pipe. It measures the system pressure loss at the start of the circulating system and ...

5. Square D - Wikipedia

   en.wikipedia.org/wiki/Square_D

   Square D is an American manufacturer of electrical equipment headquartered in Andover, Massachusetts. Square D is a flagship brand of Schneider Electric , which acquired the company in 1991. The company was listed on the New York Stock Exchange for 55 years prior to its acquisition without reporting financial loss in any calendar quarter ...

6. Well control - Wikipedia

   en.wikipedia.org/wiki/Well_control

   The combination of the downward movement of the tubing and the upward movement of the fluid (or piston effect) results in an increase in pressure throughout the well. This increase in pressure is commonly called Surge pressure. Upward movement of the tubing (tripping out) also affects the pressure at the bottom of the well.

7. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!