초록 ▼

A system for conveying fluid from a single subsea supply conduit to provide a fluid supply for each of a plurality of subsea well control apparatus requiring fluid supplies at different pressure levels. A fluid receiver receives fluid under pressure from the single subsea supply conduit, and a regul

A system for conveying fluid from a single subsea supply conduit to provide a fluid supply for each of a plurality of subsea well control apparatus requiring fluid supplies at different pressure levels. A fluid receiver receives fluid under pressure from the single subsea supply conduit, and a regulator regulates fluid flow from the receiver to charge one or more accumulators with fluid at desired pressure levels and to control injection of the fluid through an injection line into a subsea well flowline. The fluid used with the system may be glycol, methanol, or other suitable freezing retardants.

대표청구항 ▼

A system for conveying fluid from a single subsea supply conduit to provide a fluid supply for both subsea well valve control apparatus and fluid injection apparatus, comprising: fluid receiving means for receiving fluid under pressure from a single subsea supply conduit; injection means operably co

A system for conveying fluid from a single subsea supply conduit to provide a fluid supply for both subsea well valve control apparatus and fluid injection apparatus, comprising: fluid receiving means for receiving fluid under pressure from a single subsea supply conduit; injection means operably connected to said fluid receiving means for injecting fluid from said fluid receiving means into a subsea well flowline; accumulator means for supplying fluid to a subsea well valve control apparatus; said accumulator means being in interruptible fluid communication with said fluid receiving means for being charged with fluid from said fluid receiving means; and regulating means operably connected to said fluid receiving means, said injection means, and said accumulator means for regulating fluid flow from said fluid receiving means to control injection by said injection means and to control charging of said accumulator means, whereby said injection means and said accumulator means are both supplied with fluid from a single subsea supply conduit.