enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. Baptist well drilling - Wikipedia

   en.wikipedia.org/wiki/Baptist_well_drilling

   Like in sludging, the drilling process is continuous: the drill bit is normally not removed from the borehole until it is finished and the broken-up material is pumped to the surface in the drilling liquid (mud). But instead of using a hand as a valve on top of the drill pipe (sludging), the drill bit itself doubles as a foot-valve.

3. Gas lift - Wikipedia

   en.wikipedia.org/wiki/Gas_lift

   The gas-lift mandrel is a device installed in the tubing string of a gas-lift well onto which or into which a gas-lift valve is fitted. There are two common types of mandrels. In a conventional gas-lift mandrel, a gas-lift valve is installed as the tubing is placed in the well. Thus, to replace or repair the valve, the tubing string must be pulled.

4. Christmas tree (oil well) - Wikipedia

   en.wikipedia.org/wiki/Christmas_tree_(oil_well)

   The valve at the top is called the swab valve and lies in the path used for well interventions like wireline and coiled tubing. For such operations, a lubricator is rigged up onto the top of the tree and the wire or coil is lowered through the lubricator, past the swab valve and into the well. This valve is typically manually operated.

5. Tremie - Wikipedia

   en.wikipedia.org/wiki/Tremie

   Various types of foot valve may be used to shut off flow while moving the pipe when pouring small volumes in disjoint areas, where it is impracticable to maintain immersion of the nozzle in the fresh concrete, as in repair work. One type is a rubber sleeve inside a section of the pipe which can be pneumatically inflated to occlude the bore over ...

6. News, Politics, Sports, Mail & Latest Headlines - AOL.com

   homepage.aol.com

   Discover the latest breaking news in the U.S. and around the world — politics, weather, entertainment, lifestyle, finance, sports and much more.

7. Blowout preventer - Wikipedia

   en.wikipedia.org/wiki/Blowout_preventer

   A blowout preventer (BOP) (pronounced B-O-P) [1] is a specialized valve or similar mechanical device, used to seal, control and monitor oil and gas wells to prevent blowouts, the uncontrolled release of crude oil or natural gas from a well. They are usually installed in stacks of other valves.