Remotely operated selective fracing system and method

• Main Authors: COOK STEPHEN W, AVERY PAUL A, RAGSDALE GARY L, HOFMAN RAYMOND A
• Format: Patent
• Language: English
• Published: 28.09.2010
• 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 remotely-operated selective fracing system and valve. The valve comprises a casing with at least one casing hole; an inner sleeve nested within the casing and having at least one sleeve hole alignable with the at least one casing hole; actuator means engagable with the inner sleeve for moving the...