IP Library Granted Patent US 8,028,748
Granted Patent B2
US 8,028,748 · App. 12/272,419 · Granted Oct 4, 2011

Tubular control apparatus

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Quick Facts
Patent No.
US 8,028,748
App. No.
12/272,419
Granted
Oct 4, 2011
Kind
B2
Abstract

A control apparatus to receive a tubular member includes a contact member configured to engage the tubular member, and a control mechanism operably coupled to the contact member, wherein the control mechanism is configured to dampen movement of at least one of the tubular member and the contact member as the tubular member engages the contact member.

Claims (15)

1. A control apparatus to receive a tubular member, comprising:

a contact member configured to engage the tubular member; and

a control mechanism operably coupled to the contact member;

wherein the control mechanism is configured to dampen movement of at least one of the tubular member and the contact member as the tubular member engages the contact member;

wherein the contact member comprises a tether member, the tether member comprising at least one of a wire, a cable, a rope, a line, a lead, and a chain;

wherein the control mechanism comprises a pulley system; and

wherein the contact member is disposed at least partially about the pulley system.

2. The control apparatus of claim 1 , wherein at least a portion of the contact member is flexible.

3. The control apparatus of claim 2 wherein the contact member is disposed across an access opening adjacent a drilling rig.

4. The control apparatus of claim 2 , wherein an end of the contact member is disposed within a rig floor.

5. The control apparatus of claim 1 , wherein the control mechanism is at least one of pneumatically actuated, hydraulically actuated, electrically actuated, and mechanically actuated.

6. The control apparatus of claim 5 , wherein the control mechanism comprises a cylinder with a piston disposed therein, wherein the piston is slidably received within the cylinder.

7. The control apparatus of claim 1 , wherein the control mechanism is at least one of pneumatically actuated, hydraulically actuated, electrically actuated, and mechanically dampened.

8. The control apparatus of claim 1 , wherein the contact member comprises at least one of a protective material and a dampening material disposed thereon.

9. The control apparatus of claim 1 , wherein the pulley system comprises at least a first pulley and a second pulley with the contact member at least partially disposed about the first pulley and the second pulley of the pulley system.

Assignments (3)
RELEASE OF REEL/FRAME 057778/0707 Recorded Sep 30, 2025
From: DNB BANK ASA, LONDON BRANCH
To: FRANK'S INTERNATIONAL, LLC
Reel/Frame 073324/0554 →
SHORT-FORM PATENT AND TRADEMARK SECURITY AGREEMENT Recorded Oct 4, 2021
From: FRANK'S INTERNATIONAL, LLC
To: DNB BANK ASA, LONDON BRANCH
Reel/Frame 057778/0707 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 5, 2009
From: LAITOLAIS, BURNEY J., JR.; STOKES, DAVID; BROWN, DOUGAL HUGO; BUYTAERT, JEAN P.
To: FRANK'S INTERNATIONAL, INC.
Reel/Frame 022215/0121 →