Catwalk system and method

Patent metadata

Field	Value
Publication number	US-10221634-B2
Application number	US-201615098187-A
Country	US
Kind code	B2
Filing date	Apr 13, 2016
Priority date	Apr 14, 2015
Publication date	Mar 5, 2019
Grant date	Mar 5, 2019

Abstract

Present embodiments are directed to a catwalk system that includes a base, a plurality of columns extending from the base, where each of the plurality of columns is rigid in an erected position, and a carriage and trough assembly configured to translate along the plurality of columns to lift a tubular element from a lowered position to a raised position in a substantially horizontal orientation, where the plurality of columns is configured to remain stationary as the carriage and trough assembly is translated from the lowered position to the raised position.

First claim

The invention claimed is:

1. A catwalk system, comprising:
a base;
a plurality of columns extending from the base, wherein each of the plurality of columns is rigid in an erected configuration; and
a carriage and trough assembly configured to translate along the plurality of columns to lift a tubular element from a lowered position to a raised position in a substantially horizontal orientation, wherein the plurality of columns is configured to remain stationary as the carriage and trough assembly is translated from the lowered position to the raised position.

2. The catwalk system of claim 1 , wherein the carriage and trough assembly comprises a carriage and a trough disposed in the carriage, and wherein the trough is configured to extend horizontally from the carriage to convey the tubular element toward a rig floor.

3. The catwalk system of claim 1 , comprising a first front column of the plurality of columns coupled to a second front column of the plurality of columns, and comprising a first rear column of the plurality of columns coupled to a second rear column of the plurality of columns.

4. The catwalk system of claim 3 , comprising a first opening between the first front column and the second front column and a second opening between the first rear column and the second rear column.

5. The catwalk system of claim 3 , wherein the first front column and the second front column are coupled to one another with first cross-bracing, and wherein the first rear column and the second rear column are coupled to one another with second cross-bracing.

6. The catwalk system of claim 1 , comprising one or more stabilizers coupled to the base, wherein the one or more stabilizers are configured to expand one or both of a width or an area of the base.

7. The catwalk system of claim 1 , wherein the carriage and trough assembly comprises pins disposed in a trough of the carriage and trough assembly, wherein the pins are configured to extend from the trough to secure the tubular element within the carriage and trough assembly when the carriage and trough assembly translates along the plurality of columns.

8. The catwalk system of claim 1 , comprising one or more gullwings coupled to the base, wherein the one or more gullwings are configured to receive the tubular element and facilitate positioning the tubular element on the carriage and trough assembly.

9. The catwalk system of claim 1 , comprising a brace coupled to the base and extending toward a column of the plurality of columns, wherein the brace is configured to support the column of the plurality of columns.

10. The catwalk system of claim 1 , wherein each of the plurality of columns forms a first angle with the base that is substantially equal with a second angle formed between a V-Door of a drilling rig and a ground surface.

Assignees

• Nabors Drilling Tech Usa Inc

Inventors

• Bowley Ryan Thomas
• Jantzen Leon Keith
• Coombe Brent James-William

Classifications

• E21B19/14 Primary

  Racks, ramps, troughs or bins, for holding the lengths of rod singly or connected; Handling between storage place and borehole (E21B19/20, E21B19/22 take precedence) · CPC title

• E21B19/08 Primary

  Apparatus for feeding the rods or cables (E21B19/22 takes precedence; automatic feed E21B44/02); Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods · CPC title