US1494128A - Method and apparatus for expanding tubes - Google Patents

Method and apparatus for expanding tubes Download PDF

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Publication number
US1494128A
US1494128A US476761A US47676121A US1494128A US 1494128 A US1494128 A US 1494128A US 476761 A US476761 A US 476761A US 47676121 A US47676121 A US 47676121A US 1494128 A US1494128 A US 1494128A
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Prior art keywords
tube
pressure
expanding
expander
tubes
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Expired - Lifetime
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US476761A
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Primrose John
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POWER SPECIALTY Co
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POWER SPECIALTY CO
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Priority to US476761A priority Critical patent/US1494128A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/08Tube expanders
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/4935Heat exchanger or boiler making
    • Y10T29/49377Tube with heat transfer means
    • Y10T29/49378Finned tube
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49826Assembling or joining
    • Y10T29/49908Joining by deforming
    • Y10T29/49938Radially expanding part in cavity, aperture, or hollow body
    • Y10T29/4994Radially expanding internal tube

Description

J. PRHMROSE METHOD AND APPARATUS FOR EXPANDING TUBES Filed June 11 1921 0 8% v n I A v A 7 W awwa wcoz N w i w Patented May 13, 1924.

UNITED STATES 1,494,128 PATENT OFFICE.

JOHN PRIMROSE, OF NEW YORK, N. Y., ASSIGNOR TO POWER SPECIALTY COMPANY, OF NEW YORK, N. Y., A CORPORATION 05F NEW YORK.

unrnon AND arramrus r03, nxrmnme Tunas.

Application filed June 11, 1921. Serial No. 476,761.

' To all whom it may concern Be it known that I, Join: PRIMROSE, a citizen of the United States of America, residing at New York, in the county and State of New York, have invented certain new and useful Improvements in Methods and Apparatus for Expanding Tubes, of which the following is a full, clear, and exact descri tion.

The su ject of this application for Letters Patent is an improvement in tube expanders. The invention is applicable generally for the purpose of expanding or enlarging the internal diameter of metal tubes, but it has and is primarily designed to have a special function in expanding boiler, superheater or other tubes into close contact with the surrounding cast iron rings which are now so largely used to form a casing around such tubes. I shall describe the improvement as adapted and applied to this special purpose.

. In all cases where Wrought steel tubes are enclosed ina corrugated casing of cast iron rings or sections, it is of the first importance to secure and to maintain between the base tube and eatfli of the surrounding rings a perfectly tight fit or union in order to facilitate the proper transfer of heat. This fit is not easy to secure. A slight difference in the internal diameter of the rings, equally slight variations in the thick ness of the walls of the tubes or any inequalities in the surfaces of either leave spaces which very seriously impair the proper heat transfer. Various devices have been constructed and used to correct this objection, but none has met all re uirements, so far as I am aware, because of t e variable pressure between the ex anding surfaces and the inner surface of t e tube which inevitably results from v the conditions of structure and function of the means which have heretofore been used for this purpose.

To overcome these and other objections I have devised a new method and means for expanding the tubes which, broadly stated, involves the ap lication of a constant pressure between t e expanding surfaces and the tubes. This I secure by hydraulic pressure, but the use or application of such pressure for the purpose involves a somewhat difficult problem, which, however, I have solved by the use of a rigid support for the expander which carries movable expanding jaws or surfaces which are forced outwardly by bydraulic pressure and which are designed and adapted to yield, when necessary, against such pressure while always exerting the same or substantially the same expansive force against the tube.

The means which I propose for carrying out this invention are illustrated in the accompanying drawings:

Fig. 1 is a general illustration of the complete apparatus, a tube section which is supposed to be undergoing expansion. being shown in section.

Fig. 2 is a central longitudinal section on an enlarged scale of the expander, and

Fig. 3 is a cross section ofthe same on the line 3-3 of Fig. 2.

For a general understanding of the invention, reference may be had to Fig. 1. In this figure, a section '1 of tube to be expanded has rings or corrugated. sections of cast iron 2 strung over it, which, due to the improvements hereinafter described need not be machined. This tube is then properly supported and the expander 3 drawn through it by means of a hollow rod 4, connected to a cross-head 5, connected by rods 6 to any suitable source of power.

A pneumatic ump or pressureapparatus 7 is connected y a flexible tube 8 to the hollow rod 4, and the fluid under regulated pressure from the (pum is carried to means in or on the expan er or forcing outwardly the jaws which move ove: the internal sur face of the tube 1.

The expander comprises a head or ring 9 screwed or otherwise securely fastened to the end of the rod 4, and a hydraulic cham ber 10 fixed a proper distance back from the head of the rod.- Within the head are a plurality, preferably four, of jaws 11, with suitably rounded ends that fit in sockets in the said head, and are held in place by a slightly elastic band, such as a split steel ring 12, in said head.

A piston 13 is fitted in the chamber 10 and is properly packed in any manner so as to be perfectly fluid tight. Attached to this iston in any proper manner, preferably by screwing into it is a sleeve 14, which slides over the rod 4. The end of this sleeve is conical and provided with raceways for balls 15 which run therein between the sleeve and corresponding Ways in the conical inner surfaces of the jaws 11.

, face of the tube 1 withthe pro er and pres determined pressure. When t e expander as a whole is thus adjusted and drawn through the tube in the direction indicated by the arrows, this pressure forces out the walls of the tube into close union with the inner walls of the rings 2.

I have shown these rings as of dilferent lengths and of varying internal diameters, but this has no effect upon the degree of exansion. When the jaws pass a ring of en arged diameter, the pressure, remaining constant, forces the tube outwardly a sufli-' cient amount to make a close fit. Should the ring be of normal or reduced diameter the amount of expansion is correspondingly decreased, and,the jaws, still under the same pressure, yield to accommodate such reduced diameter. Should a dent or irregularity occure at any point in the tube, as shown, for example, at 16, it will be smoothed out by the expander.

One of thechie merits of this device resides in the fact that the tube is neither cut nor injured, whatever the conditions may be. In other'words, with the means heretofore employed, great care had to be exercised when irregularities in the rings or tube made necessary more than the least amount of expansion to prevent cutting or injuring the tube, but with this device this danger is entirely eliminated.

While the drawing, for purposes of illustration, shows abnormal irregularities in the rings, it shows how by the means herein described even such irregularities may be fully compensated for and overcome.

The specific construction of the means for carrying out this invention may be greatly varied, and I do not regard them as of the essence of the invention.

What I claim is:

1. The method herein described of expanding metal tubes which consists in drawing through the same an expander having movable parts, and maintaining the movable expanding surfaces of the same against the inner surface of the tube by uniform hydraulic pressure said pressure being maintained uniform during any movement of the movable parts of the expander.

2. A tube expander having movable expanding sur aces, in combination with means for forcing them into contact with the inner surface of the tube, and means for maintaining said contact under a uniform predetermined hydraulic pressure while "the tube is being expanded.

3. A tube expander. comprisin an element for drawing an ex ander t rou h a tube, an expander carrie thereby and aving movable expanding surfaces, a hydraulic pressure device carried by said element, a piston in said device, and means connected to said piston for forcing said expandin surfaces against the tube to be expande and maintaining the same constantly a ainst the inner wall of the tube substantially as described.

4. A tube expander having movable expandin surfaces, in combination with a hydrau ic pressure device carried by said expander, a piston in said device, a mechanical device connected with the piston thereof and en aging the expanding surfaces and adapter? to-force the same into contact with the inner surface of the tube and maintain such contact with a constant pressure predetermined by the pressure inthe hydraulic pressure devlce.

In testimony whereof I hereto affix my signature. 1

JOHN PBIMROSE.

US476761A 1921-06-11 1921-06-11 Method and apparatus for expanding tubes Expired - Lifetime US1494128A (en)

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Cited By (76)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2877822A (en) * 1953-08-24 1959-03-17 Phillips Petroleum Co Hydraulically operable reciprocating motor driven swage for restoring collapsed pipe
US3280608A (en) * 1959-07-28 1966-10-25 Arthur R Parilla Incremental tube or vessel expander
US3785193A (en) * 1971-04-10 1974-01-15 Kinley J Liner expanding apparatus
US3868754A (en) * 1973-09-21 1975-03-04 Hatsuo Kawano Method of manufacturing a finned-tube heat exchanger
US4581801A (en) * 1981-08-31 1986-04-15 Westinghouse Electric Corp. Sleeving method
US4813262A (en) * 1986-06-10 1989-03-21 Kabushiki Kaisha Mihama Seisakusho Method for forming loop-shaped starting pieces such as metallic binding bands into prescribed final shapes
US4866966A (en) * 1988-08-29 1989-09-19 Monroe Auto Equipment Company Method and apparatus for producing bypass grooves
DE4008642A1 (en) * 1990-03-17 1990-11-15 Daimler Benz Ag Tube expander or dent remover - has mandrel with hinged jaws which are forced apart by nut and screwed spindle
US5502997A (en) * 1994-12-19 1996-04-02 Carrier Corporation Gripper and mandrel assembly for tube bender
US5794702A (en) * 1996-08-16 1998-08-18 Nobileau; Philippe C. Method for casing a wellbore
US6012523A (en) * 1995-11-24 2000-01-11 Petroline Wellsystems Limited Downhole apparatus and method for expanding a tubing
US20020189816A1 (en) * 1998-12-07 2002-12-19 Shell Oil Co. Wellbore casing
US20030066655A1 (en) * 1999-02-26 2003-04-10 Shell Oil Co. Apparatus for coupling a tubular member to a preexisting structure
US20030094278A1 (en) * 1998-12-07 2003-05-22 Shell Oil Co. Expansion cone for radially expanding tubular members
US20030094279A1 (en) * 1998-12-07 2003-05-22 Shell Oil Co. Method of selecting tubular members
US20030116325A1 (en) * 2000-07-28 2003-06-26 Cook Robert Lance Liner hanger with standoffs
US20030150608A1 (en) * 2001-10-01 2003-08-14 Smith Sidney K. Tubular expansion apparatus and method
US20040045718A1 (en) * 2000-09-18 2004-03-11 Brisco David Paul Liner hanger with sliding sleeve valve
US20040069499A1 (en) * 2000-10-02 2004-04-15 Cook Robert Lance Mono-diameter wellbore casing
US20040112589A1 (en) * 2000-10-02 2004-06-17 Cook Robert Lance Mono-diameter wellbore casing
US20040118574A1 (en) * 1998-12-07 2004-06-24 Cook Robert Lance Mono-diameter wellbore casing
US20040123983A1 (en) * 1998-11-16 2004-07-01 Enventure Global Technology L.L.C. Isolation of subterranean zones
US20040123988A1 (en) * 1998-12-07 2004-07-01 Shell Oil Co. Wellhead
US20040184088A1 (en) * 1999-03-04 2004-09-23 Panasonic Communications Co., Ltd. Image data communication device and method
US20040188099A1 (en) * 1998-12-07 2004-09-30 Shell Oil Co. Method of creating a casing in a borehole
US6823943B2 (en) 2003-04-15 2004-11-30 Bemton F. Baugh Strippable collapsed well liner
US20050000697A1 (en) * 2002-07-06 2005-01-06 Abercrombie Simpson Neil Andrew Formed tubulars
US20050039910A1 (en) * 2001-11-28 2005-02-24 Lohbeck Wilhelmus Christianus Maria Expandable tubes with overlapping end portions
US20050098323A1 (en) * 1999-03-11 2005-05-12 Shell Oil Co. Forming a wellbore casing while simultaneously drilling a wellbore
US20050144777A1 (en) * 2003-06-13 2005-07-07 Cook Robert L. Method and apparatus for forming a mono-diameter wellbore casing
US20050194152A1 (en) * 2004-03-08 2005-09-08 Campo Donald B. Expander for expanding a tubular element
US20050194129A1 (en) * 2004-03-08 2005-09-08 Campo Donald B. Expander for expanding a tubular element
US20050194128A1 (en) * 2004-03-08 2005-09-08 Campo Donald B. Expander for expanding a tubular element
US20050194127A1 (en) * 2004-03-08 2005-09-08 Campo Donald B. Expander for expanding a tubular element
US7048067B1 (en) 1999-11-01 2006-05-23 Shell Oil Company Wellbore casing repair
US20060137877A1 (en) * 2002-09-20 2006-06-29 Watson Brock W Cutter for wellbore casing
US20060260802A1 (en) * 2003-05-05 2006-11-23 Filippov Andrei G Expansion device for expanding a pipe
US7168496B2 (en) 2001-07-06 2007-01-30 Eventure Global Technology Liner hanger
US7168499B2 (en) 1998-11-16 2007-01-30 Shell Oil Company Radial expansion of tubular members
US7195064B2 (en) 1998-12-07 2007-03-27 Enventure Global Technology Mono-diameter wellbore casing
US7225660B1 (en) * 2005-05-13 2007-06-05 Kw Industries, Inc. Apparatus and method for expanding a tube diameter and a pole formed thereby
US20070131431A1 (en) * 2002-09-20 2007-06-14 Mark Shuster Self-Lubricating expansion mandrel for expandable tubular
US7231985B2 (en) 1998-11-16 2007-06-19 Shell Oil Company Radial expansion of tubular members
US7234531B2 (en) 1999-12-03 2007-06-26 Enventure Global Technology, Llc Mono-diameter wellbore casing
US7240728B2 (en) 1998-12-07 2007-07-10 Shell Oil Company Expandable tubulars with a radial passage and wall portions with different wall thicknesses
US7243731B2 (en) * 2001-08-20 2007-07-17 Enventure Global Technology Apparatus for radially expanding tubular members including a segmented expansion cone
US7258168B2 (en) 2001-07-27 2007-08-21 Enventure Global Technology L.L.C. Liner hanger with slip joint sealing members and method of use
US7290616B2 (en) 2001-07-06 2007-11-06 Enventure Global Technology, L.L.C. Liner hanger
US7290605B2 (en) 2001-12-27 2007-11-06 Enventure Global Technology Seal receptacle using expandable liner hanger
US7325602B2 (en) 2000-10-02 2008-02-05 Shell Oil Company Method and apparatus for forming a mono-diameter wellbore casing
US7350563B2 (en) 1999-07-09 2008-04-01 Enventure Global Technology, L.L.C. System for lining a wellbore casing
US7360591B2 (en) 2002-05-29 2008-04-22 Enventure Global Technology, Llc System for radially expanding a tubular member
US7363984B2 (en) 1998-12-07 2008-04-29 Enventure Global Technology, Llc System for radially expanding a tubular member
US7377326B2 (en) 2002-08-23 2008-05-27 Enventure Global Technology, L.L.C. Magnetic impulse applied sleeve method of forming a wellbore casing
US7398832B2 (en) 2002-06-10 2008-07-15 Enventure Global Technology, Llc Mono-diameter wellbore casing
US7404444B2 (en) 2002-09-20 2008-07-29 Enventure Global Technology Protective sleeve for expandable tubulars
US7410000B2 (en) 2001-01-17 2008-08-12 Enventure Global Technology, Llc. Mono-diameter wellbore casing
US7416027B2 (en) * 2001-09-07 2008-08-26 Enventure Global Technology, Llc Adjustable expansion cone assembly
US7424918B2 (en) 2002-08-23 2008-09-16 Enventure Global Technology, L.L.C. Interposed joint sealing layer method of forming a wellbore casing
US7438133B2 (en) 2003-02-26 2008-10-21 Enventure Global Technology, Llc Apparatus and method for radially expanding and plastically deforming a tubular member
US7503393B2 (en) 2003-01-27 2009-03-17 Enventure Global Technology, Inc. Lubrication system for radially expanding tubular members
US7513313B2 (en) 2002-09-20 2009-04-07 Enventure Global Technology, Llc Bottom plug for forming a mono diameter wellbore casing
US7516790B2 (en) 1999-12-03 2009-04-14 Enventure Global Technology, Llc Mono-diameter wellbore casing
US7552776B2 (en) 1998-12-07 2009-06-30 Enventure Global Technology, Llc Anchor hangers
US7559365B2 (en) 2001-11-12 2009-07-14 Enventure Global Technology, Llc Collapsible expansion cone
US7603758B2 (en) 1998-12-07 2009-10-20 Shell Oil Company Method of coupling a tubular member
US7712522B2 (en) 2003-09-05 2010-05-11 Enventure Global Technology, Llc Expansion cone and system
US7740076B2 (en) 2002-04-12 2010-06-22 Enventure Global Technology, L.L.C. Protective sleeve for threaded connections for expandable liner hanger
US7739917B2 (en) 2002-09-20 2010-06-22 Enventure Global Technology, Llc Pipe formability evaluation for expandable tubulars
US7775290B2 (en) 2003-04-17 2010-08-17 Enventure Global Technology, Llc Apparatus for radially expanding and plastically deforming a tubular member
US7793721B2 (en) 2003-03-11 2010-09-14 Eventure Global Technology, Llc Apparatus for radially expanding and plastically deforming a tubular member
US7819185B2 (en) 2004-08-13 2010-10-26 Enventure Global Technology, Llc Expandable tubular
AU2008200423B2 (en) * 2001-10-01 2010-12-09 Baker Hughes Incorporated Tubular expansion apparatus and method
US7886831B2 (en) 2003-01-22 2011-02-15 Enventure Global Technology, L.L.C. Apparatus for radially expanding and plastically deforming a tubular member
US7918284B2 (en) 2002-04-15 2011-04-05 Enventure Global Technology, L.L.C. Protective sleeve for threaded connections for expandable liner hanger
US20110232355A1 (en) * 2010-03-26 2011-09-29 Evans Merle E Dynamic load expansion test bench

Cited By (136)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2877822A (en) * 1953-08-24 1959-03-17 Phillips Petroleum Co Hydraulically operable reciprocating motor driven swage for restoring collapsed pipe
US3280608A (en) * 1959-07-28 1966-10-25 Arthur R Parilla Incremental tube or vessel expander
US3785193A (en) * 1971-04-10 1974-01-15 Kinley J Liner expanding apparatus
US3868754A (en) * 1973-09-21 1975-03-04 Hatsuo Kawano Method of manufacturing a finned-tube heat exchanger
US4581801A (en) * 1981-08-31 1986-04-15 Westinghouse Electric Corp. Sleeving method
US4813262A (en) * 1986-06-10 1989-03-21 Kabushiki Kaisha Mihama Seisakusho Method for forming loop-shaped starting pieces such as metallic binding bands into prescribed final shapes
US4831863A (en) * 1986-06-10 1989-05-23 Kabushiki Kaisha Mihama Seisakusho Apparatus for forming loop-shaped starting pieces such as metallic binding bands into prescribed final shapes
US4866966A (en) * 1988-08-29 1989-09-19 Monroe Auto Equipment Company Method and apparatus for producing bypass grooves
DE4008642A1 (en) * 1990-03-17 1990-11-15 Daimler Benz Ag Tube expander or dent remover - has mandrel with hinged jaws which are forced apart by nut and screwed spindle
US5502997A (en) * 1994-12-19 1996-04-02 Carrier Corporation Gripper and mandrel assembly for tube bender
US6012523A (en) * 1995-11-24 2000-01-11 Petroline Wellsystems Limited Downhole apparatus and method for expanding a tubing
US5794702A (en) * 1996-08-16 1998-08-18 Nobileau; Philippe C. Method for casing a wellbore
US7275601B2 (en) 1998-11-16 2007-10-02 Shell Oil Company Radial expansion of tubular members
US7246667B2 (en) 1998-11-16 2007-07-24 Shell Oil Company Radial expansion of tubular members
US7299881B2 (en) 1998-11-16 2007-11-27 Shell Oil Company Radial expansion of tubular members
US7168499B2 (en) 1998-11-16 2007-01-30 Shell Oil Company Radial expansion of tubular members
US7357190B2 (en) 1998-11-16 2008-04-15 Shell Oil Company Radial expansion of tubular members
US7121352B2 (en) 1998-11-16 2006-10-17 Enventure Global Technology Isolation of subterranean zones
US7231985B2 (en) 1998-11-16 2007-06-19 Shell Oil Company Radial expansion of tubular members
US7270188B2 (en) 1998-11-16 2007-09-18 Shell Oil Company Radial expansion of tubular members
US20040123983A1 (en) * 1998-11-16 2004-07-01 Enventure Global Technology L.L.C. Isolation of subterranean zones
US20040123988A1 (en) * 1998-12-07 2004-07-01 Shell Oil Co. Wellhead
US20040045616A1 (en) * 1998-12-07 2004-03-11 Shell Oil Co. Tubular liner for wellbore casing
US7216701B2 (en) 1998-12-07 2007-05-15 Shell Oil Company Apparatus for expanding a tubular member
US7198100B2 (en) 1998-12-07 2007-04-03 Shell Oil Company Apparatus for expanding a tubular member
US20040118574A1 (en) * 1998-12-07 2004-06-24 Cook Robert Lance Mono-diameter wellbore casing
US7665532B2 (en) 1998-12-07 2010-02-23 Shell Oil Company Pipeline
US20030094279A1 (en) * 1998-12-07 2003-05-22 Shell Oil Co. Method of selecting tubular members
US7195064B2 (en) 1998-12-07 2007-03-27 Enventure Global Technology Mono-diameter wellbore casing
US20040188099A1 (en) * 1998-12-07 2004-09-30 Shell Oil Co. Method of creating a casing in a borehole
US7603758B2 (en) 1998-12-07 2009-10-20 Shell Oil Company Method of coupling a tubular member
US7195061B2 (en) 1998-12-07 2007-03-27 Shell Oil Company Apparatus for expanding a tubular member
US7552776B2 (en) 1998-12-07 2009-06-30 Enventure Global Technology, Llc Anchor hangers
US7185710B2 (en) 1998-12-07 2007-03-06 Enventure Global Technology Mono-diameter wellbore casing
US7174964B2 (en) 1998-12-07 2007-02-13 Shell Oil Company Wellhead with radially expanded tubulars
US20030098162A1 (en) * 1998-12-07 2003-05-29 Shell Oil Company Method of inserting a tubular member into a wellbore
US7434618B2 (en) 1998-12-07 2008-10-14 Shell Oil Company Apparatus for expanding a tubular member
US7419009B2 (en) 1998-12-07 2008-09-02 Shell Oil Company Apparatus for radially expanding and plastically deforming a tubular member
US20030094277A1 (en) * 1998-12-07 2003-05-22 Shell Oil Co. Expansion cone for radially expanding tubular members
US20030094278A1 (en) * 1998-12-07 2003-05-22 Shell Oil Co. Expansion cone for radially expanding tubular members
US7011161B2 (en) 1998-12-07 2006-03-14 Shell Oil Company Structural support
US7021390B2 (en) 1998-12-07 2006-04-04 Shell Oil Company Tubular liner for wellbore casing
US7121337B2 (en) 1998-12-07 2006-10-17 Shell Oil Company Apparatus for expanding a tubular member
US7036582B2 (en) 1998-12-07 2006-05-02 Shell Oil Company Expansion cone for radially expanding tubular members
US7159665B2 (en) 1998-12-07 2007-01-09 Shell Oil Company Wellbore casing
US7147053B2 (en) 1998-12-07 2006-12-12 Shell Oil Company Wellhead
US7044218B2 (en) 1998-12-07 2006-05-16 Shell Oil Company Apparatus for radially expanding tubular members
US7048062B2 (en) 1998-12-07 2006-05-23 Shell Oil Company Method of selecting tubular members
US7240729B2 (en) 1998-12-07 2007-07-10 Shell Oil Company Apparatus for expanding a tubular member
US20020189816A1 (en) * 1998-12-07 2002-12-19 Shell Oil Co. Wellbore casing
US7357188B1 (en) 1998-12-07 2008-04-15 Shell Oil Company Mono-diameter wellbore casing
US7077213B2 (en) 1998-12-07 2006-07-18 Shell Oil Company Expansion cone for radially expanding tubular members
US7077211B2 (en) 1998-12-07 2006-07-18 Shell Oil Company Method of creating a casing in a borehole
US7086475B2 (en) 1998-12-07 2006-08-08 Shell Oil Company Method of inserting a tubular member into a wellbore
US7350564B2 (en) 1998-12-07 2008-04-01 Enventure Global Technology, L.L.C. Mono-diameter wellbore casing
US7363984B2 (en) 1998-12-07 2008-04-29 Enventure Global Technology, Llc System for radially expanding a tubular member
US7240728B2 (en) 1998-12-07 2007-07-10 Shell Oil Company Expandable tubulars with a radial passage and wall portions with different wall thicknesses
US7159667B2 (en) 1999-02-25 2007-01-09 Shell Oil Company Method of coupling a tubular member to a preexisting structure
US20030121669A1 (en) * 1999-02-26 2003-07-03 Shell Oil Co. Apparatus for releasably coupling two elements
US20030066655A1 (en) * 1999-02-26 2003-04-10 Shell Oil Co. Apparatus for coupling a tubular member to a preexisting structure
US7556092B2 (en) 1999-02-26 2009-07-07 Enventure Global Technology, Llc Flow control system for an apparatus for radially expanding tubular members
US7044221B2 (en) * 1999-02-26 2006-05-16 Shell Oil Company Apparatus for coupling a tubular member to a preexisting structure
US7040396B2 (en) 1999-02-26 2006-05-09 Shell Oil Company Apparatus for releasably coupling two elements
US20040184088A1 (en) * 1999-03-04 2004-09-23 Panasonic Communications Co., Ltd. Image data communication device and method
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