Inventor

SHAFER RANDALL S

US34 patents

⚠️ This page may combine multiple inventors who share the name “SHAFER RANDALL S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SHAFER RANDALL S

CONOCOPHILLIPS CO

Through tubing P and A with two-material plugs

Nano-thermite well plug

Through tubing P and A with two-material plugs

Helical coil annular access plug and abandonment

Two-material P and A plug

Pre-positioned capping device for source control with independent management system

Through tubing P and A with bismuth alloys

Tool for metal plugging or sealing of casing

System for detecting, containing and removing hydrocarbon leaks in a subsea environment

PandA setting with exothermic material

P and A setting with exothermic material

Helical coil annular access plug and abandonment

P and A setting with exothermic material

Two-material PandA plug

Tool for metal plugging or sealing of casing

Pre-positioned capping device and diverter

Pre-positioned capping device on high pressure wells

Helical coil annular access plug and abandonment

Two-material P and A plug

Helical coil annular access plug and abandonment

Two-matertal, P and A plug

Helical coil annular access plug and abandonment

Nano-thermite well plug

Nano-thermite well plug

Tool for metal plugging or sealing of casing

Through tubing P AND A with bismuth alloys

NOBLE PETER G

Dual-derrick ice-worthy jack-up drilling unit

Subsea hydrocarbon recovery

Ice worthy jack-up drilling unit with pre-loading tension system

Ice worthy jack-up drilling unit with gas agitation and leg ice shields

Ice worthy jack-up drilling unit with gas agitated ice prevention

SHAFER RANDALL S

Ice worthy jack-up drilling unit with conical piled monopod

Ice worthy jack-up drilling unit with conical piled monopod and sockets

AURORA RAVI P

Conical piled monopod