The 'EPX'/'EPR' Equalizing Prong is an ideal plugging device to be run in wellscontaining solids such as sand or tubing scale. The external fishing neck of the P-Prongis sit high above the settle sand, easy to retrieve and will allow full equalizationof pressure across the plug body after the P-Prong has been retrieved.It is designed to separate zones, plug off the tubing to allow testing or repair work tobe performed at the X-mas tree, or setting packers, etc.'EPX' Equalizing Prong is used with 'EX' & 'EXN' Lock Mandrel for standard-weighttubing whereas 'EPR' Equalizing Prong is used with 'ER' & 'ERN' Lock Mandrel forheavyweight tubing. (The 'N' designates no-go nipple).Features:• Balance with seals for either Standard or H2S Service• Fluid bypass during running or retrieving operations• Extended-length prongs for use in completions with side pocket mandrels or when a large amount of sediment is expected• Vee-packing seals• No-Go OD• Set and retrieved on slick line• Holds pressure from above or below• More dependable sealing in extreme environments