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US 2023/0399899 A1Published application
Float equipment for use with composite casing or liner string
AssigneeDownhole Products Limited
InventorsALEXANDER CRAIG MACKAY, Douglas Farley
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Abstract
A float collar for assembly with a composite string of downhole tubulars includes: a tubular housing made from a composite material and having couplings formed at longitudinal ends thereof; a float valve disposed in a bore of the housing; a sheath connecting the float valve to the housing and sealing an interface between the float valve and the housing; and a guide operable to prevent side-tracking of a drill bit into the housing while drilling out the float valve and the sheath.
Claims7
A float collar for assembly with a composite string of downhole tubulars, comprising:
- a tubular housing made from a composite material and having couplings formed at longitudinal ends thereof;
- a float valve disposed in a bore of the housing;
- a sheath connecting the float valve to the housing and sealing an interface between the float valve and the housing;
- and
- a guide operable to prevent side-tracking of a drill bit into the housing while drilling out the float valve and the sheath.
2 more elements
Dependencies are inferred from the claim text.