Stage tool having composite seats

• Main Authors: Symms, Joshua V, Evans, Eric R, Giroux, Richard L, Wolf, Yidara
• Format: Patent
• Language: English
• Published: 19.04.2022
• Subjects: EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS

A stage tool used in a wellbore has a housing consisting of two sub-housings that couple together. A first sleeve is movably disposed in the housing bore and is held closed with a temporary connection relative to a side port of the housing. The first sleeve has a first seat of millable material. A s...