Stage tool
AssigneeWeatherford Technology Holdings, LLC
InventorsRocky A. Turley, Brent J. Lirette, Huy V. Le
Life of this patent
Estimating the term…
Abstract
The present invention generally relates to a stage tool. In one aspect, a downhole tool for use in a wellbore is provided. The tool includes a body having a bore. The tool further includes a seal assembly attached to the body. The seal assembly having an expandable annular member, a seal member and an expander sleeve, wherein the seal member includes one or more anti-extrusion spring bands embedded within the seal member. The tool further includes a slip assembly attached to the body. The slip assembly includes slips that are configured to engage the wellbore.
Claims16
A downhole tool for use in a wellbore, the tool comprising:
- a body having a bore;
- a seal assembly, comprising:
- a wedge member disposed along the body;
- and
- a metallic packing element carrying an inner elastomeric seal engaged with the wedge member and an outer elastomeric seal for engagement with the wellbore;
- a slip assembly disposed along the body, comprising slips and a gage ring, the slips movable along an inclined surface of the gage ring for engagement with the wellbore;
- a retention sleeve fastened to the packing element and coupled to the slips;
- and
- an actuation assembly disposed along the body for moving the slips along the gage ring and for causing relative movement of the wedge member relative to a tapered inner surface of the metallic packing element.
Dependencies are inferred from the claim text.