Drill floor support structures
The present disclosure relates to a modular drilling cellar configured to be arranged beneath a drill floor of a drilling rig. The cellar may have a housing for storing well head equipment and a drill floor support structure. The drill floor support structure may have a pair of support legs, each leg may have an extension portion, a column portion, and a bearing foot. Each of the extension portion and column portion may be configured to be arranged in a reading position and an operating position.
1. A modular drilling cellar configured to be arranged beneath a drill floor of a drilling rig, the modular drilling cellar comprising:
a housing for storing well head equipment; and
a drill floor support structure comprising a pair of support legs, each leg comprising:
an extension portion coupled to the cellar and configured to be arranged in an operating position and a roading position;
a column portion coupled to the extension portion and configured to be arranged in an operational position and a roading position; and
a bearing foot coupled to the column portion.
2. The modular drilling cellar of claim 1 , wherein the extension portion comprises an extension member extendable from an outer sheath.
3. The modular drilling cellar of claim 1 , wherein the extension portion comprises a pivoting frame.
4. The modular drilling cellar of claim 1 , wherein the extension portion comprises a retractable frame.
5. The modular drilling cellar of claim 1 , wherein the column portion comprises two members coupled together at a hinged connection.
6. The modular drilling cellar of claim 1 , wherein the column portion comprises a column member configured to scope through a collar coupled to the extension portion.
7. The modular drilling cellar of claim 1 , wherein the bearing foot is configurable and comprises at least one removable section.
8. The modular drilling cellar of claim 1 , wherein the bearing foot comprises at least one hinged section.
9. The modular drilling cellar of claim 1 , wherein the bearing foot is coupled to the column portion using a load cell pin.
10. The modular drilling cellar of claim 1 , wherein each leg is independently actuable.
11. The modular drilling cellar of claim 1 , further comprising a second pair of legs.
12. A drill floor support structure comprising a pair of support legs, each leg configured to be arranged in a roading position and an operating position, each leg comprising:
an extension portion coupled to the drill floor support structure and configured to be arranged in an operating position and a roading position;
a column portion directly coupled to the extension portion and configured to be arranged in an operational position and a roading position; and
a bearing foot coupled to the column portion.
13. The drill floor support structure of claim 12 , wherein the extension portion comprises at least one of:
an extension member extendable from an outer sheath;
a pivoting frame; and
a retractable frame.
14. The drill floor support structure of claim 12 , wherein the column portion comprises two members coupled together at a hinged connection.
15. The drill floor support structure of claim 12 , wherein the column portion comprises a column member configured to scope through a collar coupled to the extension portion.
16. The drill floor support structure of claim 12 , wherein the bearing foot is configurable and comprises at least one removable section.
17. The drill floor support structure of claim 12 , wherein the bearing foot comprises at least one hinged section.
18. The drill floor support structure of claim 12 , wherein each leg is independently actuable.
19. A drilling rig comprising:
a drill floor; and
a drill floor support structure configured to transfer loading on the drill floor to a ground or pad surface, the drill floor support structure comprising a pair of support legs, each leg configured to be arranged in a roading position and an operating position, each leg comprising:
an extension portion coupled to the drill floor support structure and configured to be arranged in an operating position and a roading position;
a column portion directly coupled to the extension portion and configured to be arranged in an operational position and a roading position; and
a bearing foot coupled to the column portion.
20. The drill floor support structure of claim 19 , wherein the extension portion comprises at least one of:
an extension member extendable from an outer sheath;
a pivoting frame; and
a retractable frame.