Safety device for use as overpressure protection for a trapped volume space
AssigneesAker Kvaerner Oilfield Products, Inc., Statoil ASA
InventorsScott Kennedy Beall, Lorents Reinas
Life of this patent
Estimating the term…
Abstract
The invention is a safety device for a trapped volume space for use as overpressure protection made of a housing forming a chamber within a trapped volume space having a incompressible fluid, a compressible material disposed in the chamber, and a pressure relief component in communication with the compressible material and the incompressible fluid, wherein the pressure relief component is adapted to break at a predetermined point thereby increasing the trapped volume space by compressing the compressible material and resulting in a reduced pressure in the trapped volume space.
Claims34
A safety device for a trapped volume space for use as overpressure protection, comprising:
- a. a housing forming a chamber, and wherein the housing is located within a trapped volume space comprising a incompressible fluid;
- b. a compressible material disposed in the chamber;
- c. a pressure relief component in communication with the compressible material and the incompressible fluid, wherein the pressure relief component is adapted to break at a predetermined point thereby increasing the trapped volume space by compressing the compressible material and resulting in a reduced pressure in the trapped volume space.
A pressure relief device for a subsea Christmas tree, comprising:
- a. a housing forming a chamber, and wherein the housing is located within a trapped volume space in the subsea Christmas tree comprising an incompressible fluid;
- b. a compressible material disposed in the chamber;
- c. a pressure relief component in communication with the compressible material and the incompressible fluid, wherein the pressure relief component is adapted to break at a predetermined point thereby increasing the trapped volume space by compressing the compressible material and resulting in a reduced pressure in the trapped volume space.
A method for preventing overpressure situations in a trapped volume space, comprising
- a. disposing an apparatus in a trapped volume space for use as overpressure protection, wherein the apparatus comprises:
- i. a housing forming a chamber, and wherein the housing is located within a trapped volume space comprising a incompressible fluid;
- ii. a compressible material disposed in the chamber;
- and
- iii. a pressure relief component in communication with the compressible material and the incompressible fluid;
- b. engaging the pressure relief component when the pressure of the incompressible fluid reaches a set pressure limit;
- and
- c. increasing the trapped volume space by compressing the compressible material and resulting in a reduced pressure in the trapped volume space by permitting the incompressible fluid to commingle with the compressible material.
A system for preventing overpressure situations in a trapped volume space, comprising
- a. a subsea Christmas tree;
- b. a trapped volume space containing a incompressible fluid located within the subsea Christmas tree;
- c. a pressure relief device disposed within the trapped volume space, comprising:
- i. a housing forming a chamber;
- ii. a compressible material disposed in the chamber;
- iii. a pressure relief component in communication with the compressible material and the incompressible fluid, wherein the pressure relief component is adapted to break at a predetermined point thereby increasing the trapped volume space by compressing the compressible material and resulting in a reduced pressure in the trapped volume space.
Dependencies are inferred from the claim text.