Device for removing sand from pump plungers

A sand removal apparatus comprising:

• a working barrel;
• a plunger positioned within said working barrel;
• a valve rod;
• and
• a body having an interior passageway extending longitudinally therethrough of a size suitable for allowing oil to flow therethrough, said body having a first end attached to said valve rod and a second end attached to said plunger, said body having a wiper affixed circumferentially therearound, said wiper having a surface extending outwardly of said body in wiping contact with an interior surface of said working barrel, said interior passageway having a frustoconical section having a wide end opening at a bottom of said body at said second end, said interior passageway having a straight tubular section extending from a top of said frustoconical section to a top of said body at said first end.

A sand removal apparatus comprising:

• a working barrel;
• a plunger positioned within said working barrel;
• a valve rod;
• a body having an interior passageway extending longitudinally therethrough of a size suitable for allowing oil to flow therethrough, said body having a first end attached to said valve rod and a second end attached to said plunger, said body having a wiper affixed circumferentially therearound, said wiper having a surface extending outwardly of said body in wiping contact with an interior surface of said working barrel;
• a first pair of pressure equalization ports extending radially through said body from said interior passageway, said first pair of pressure equalization ports opening on an exterior of said body on one side of said wiper;
• and
• a second pair of pressure equalization ports extending radially through said body from said interior passageway, said second pair of pressure equalization ports opening on the exterior of said body on an opposite side of said wiper.

A sand removal apparatus comprising:

• a working barrel;
• a plunger positioned within said working barrel;
• a body having an interior passageway extending longitudinally therethrough of a size suitable for allowing oil to flow therethrough, said body having a first end attached to a bottom of said plunger, said body having a groove formed circumferentially therearound;
• and
• a wiping member received within said circumferential groove, said wiping member being an annular member having an edge extending outwardly of said circumferential groove, said edge in wiping contact with an interior surface of said working barrel.