US 12,152,702 B2
Stinger for a pipe laying operation
Sajith Nair, Dubai (AE); Manoj Kulshrestha, Dubai (AE); Nawin Singh, Dubai (AE); and Anil Kavitha, Dubai (AE)
Assigned to J. Ray McDermott, S.A., Houston, TX (US)
Filed by J. Ray McDermott, S.A., Houston, TX (US)
Filed on Dec. 20, 2022, as Appl. No. 18/085,324.
Application 18/085,324 is a continuation of application No. 17/072,754, filed on Oct. 16, 2020, granted, now 11,549,615.
Claims priority of provisional application 62/923,092, filed on Oct. 18, 2019.
Prior Publication US 2023/0130311 A1, Apr. 27, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. F16L 1/225 (2006.01); F16L 1/18 (2006.01)
CPC F16L 1/225 (2013.01) [F16L 1/18 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A stinger, comprising:
one or more body members formed from a non-metallic material, at least one of the one or more body members comprising an inner chamber and a wall, the wall comprising:
a lower portion, and
an upper portion,
wherein a width of the upper portion is less than a width of the lower portion, the inner chamber is defined at least partially by the lower portion and the upper portion, and the inner chamber is configured to house a buoyancy fluid.