IP Library Granted Patent US 10,633,937
Granted Patent B2
US 10,633,937 · App. 14/504,967 · Granted Apr 28, 2020

Lift frame system and method of use

Inventors: Colin Johnston (Houston, TX); Paul Shotton (Aberdeenshire, GB)
Assignee: Helix Energy Solutions Group, Inc.
E21B19/02E21B3/02E21B15/02E21B19/00E21B19/002E21B19/04E21B19/06E21B19/07E21B19/22
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Quick Facts
Patent No.
US 10,633,937
App. No.
14/504,967
Granted
Apr 28, 2020
Kind
B2
Abstract

A lift frame system and method of use including a lift frame capable of being moved from a stowed position to a drill center position and a skidding pallet with at least one personnel access and egress walkway platform. The skidding pallet is capable of moving along a plurality of rails and engaging a multipurpose tower. The lift frame may include levels, a coiled tubing injector, at least one pressure control equipment, stabilizing arms, a top drive, a hook, and a set of bails.

Claims (25)

1. A lift frame system comprising:

a lift frame capable of being moved from a stowed position to a drill center position of a drill floor;

a skidding pallet;

a plurality of working access platforms wherein each working access platform further comprises a least one ladder; and

at least one personnel access and egress walkway platform wherein a first end of the personnel access and egress walkway platform engages an elevated platform above the drill floor and a second end of the personnel access and egress walkway platform is connected to one of the plurality of working access platforms.

2. The lift frame system of claim 1 wherein the skidding pallet is capable of moving along a plurality of rails on the drill floor.

3. The lift frame system of claim 1 wherein the lift frame is capable of engaging a multipurpose tower.

4. The lift frame system of claim 3 further comprising at least one stabilizing arm capable of engaging the multipurpose tower.

5. The lift frame system of claim 1 further comprising at least one coiled tubing injector.

6. The lift frame system of claim 1 further comprising at least one pressure control equipment.

7. The lift frame system of claim 1 further comprising at least one top drive.

8. The lift frame system of claim 1 further comprising at least one hook and at least one set of bails.

9. A method of using a lift frame system comprising the steps of:

moving a lift frame from a stowed position to a drill center position of a drill floor;

lifting at least one coiled tubing or wireline equipment with the lift frame; and

connecting at least one personnel access and egress walkway platform to the lift frame,

wherein the lift frame comprises a plurality of working access platforms and wherein each working access platform further comprises at least one ladder,

wherein the personnel access and egress walkway platform engages an elevated platform above the drill floor at a first end of the personnel access and egress walkway platform and connects to one of the plurality of working access platforms at a second end of the personnel access and egress walkway platform.

10. The method of claim 9 wherein the step of moving the lift frame from the stowed position to the drill center position further comprises skidding the lift frame on a skidding palette.

11. The method of claim 9 wherein the lift frame is capable of engaging a multipurpose tower.

12. The method of claim 11 wherein the lift frame comprises at least one stabilizing arm capable of engaging the multipurpose tower.

13. The method of claim 9 wherein the lift frame comprises at least one coiled tubing injector.

14. The method of claim 9 wherein the lift frame comprises at least one pressure control equipment.

15. The method of claim 9 wherein the lift frame comprises at least one top drive.

16. The method of claim 9 wherein the lift frame comprises at least one hook and at least one set of bails.

Assignments (2)
AMENDED AND RESTATED PATENT SECURITY AGREEMENT SUPPLEMENT Recorded Jun 30, 2017
From: HELIX ENERGY SOLUTIONS GROUP, INC.
To: BANK OF AMERICA, N.A.
Reel/Frame 043070/0622 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 18, 2015
From: JOHNSTON, COLIN; SHOTTON, PAUL
To: HELIX ENERGY SOLUTIONS GROUP
Reel/Frame 036350/0517 →