Valve Types Gate valves, Ball valves, & Choke valves. Gate valve: used on oil producer wellhead tree. (2 manufacturers Gray & Cameron). Ball valve: only.

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Presentation transcript:

Valve Types Gate valves, Ball valves, & Choke valves. Gate valve: used on oil producer wellhead tree. (2 manufacturers Gray & Cameron). Ball valve: only by Cameron. Choke valve: 2 designs: one like arrow & the other cylinder with holes. SSV & SSSV & UG: used to automatically shut off the production form (tubing below the surface, or wellhead on surface, or flowline). Different manufacturers: Otis, Barber, and AVA. (some need panel to control “old” and other new designs are self contained.

Safety Valves – Subsurface & Surface

SCSSSV or SSSV Surface controlled sub surface safety valves are either ball valve type or flapper type. They can be either tubing retrievable or wireline retrievable

Power Water Injector “Ball Valve” Oil Producer “Gate Valve”

Wellheads Shown here is the wellhead of an oil producer (note the section with the valves is called the wellhead tree or Christmas tree).

Water Supply This shows a high volume water supply well with an ESP. Only one valve because low pressure and no hydrocarbons present.

Wellhead Tree The tree is a series of valves that control flow from the well and allow access to the well Crown valve is used only when doing wireline or coiled tubing work Wing valve controls flow The master valve is last line of defense

Power Water Injector Option 1: no tubing spool because there is no tubing in some power water injectors. Option 2: with tubing spool (no picture) because they need tubing and packer in the injection well.

WANTED