AU2007296271A1 - Method of expanding a tubular element - Google Patents
Method of expanding a tubular element Download PDFInfo
- Publication number
- AU2007296271A1 AU2007296271A1 AU2007296271A AU2007296271A AU2007296271A1 AU 2007296271 A1 AU2007296271 A1 AU 2007296271A1 AU 2007296271 A AU2007296271 A AU 2007296271A AU 2007296271 A AU2007296271 A AU 2007296271A AU 2007296271 A1 AU2007296271 A1 AU 2007296271A1
- Authority
- AU
- Australia
- Prior art keywords
- sleeve
- expander
- tubular element
- inner diameter
- end portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B29/00—Cutting or destroying pipes, packers, plugs, or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
- E21B29/10—Reconditioning of well casings, e.g. straightening
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/02—Subsoil filtering
- E21B43/10—Setting of casings, screens, liners or the like in wells
- E21B43/103—Setting of casings, screens, liners or the like in wells of expandable casings, screens, liners, or the like
Description
WO2008/031832 PCT/EP2007/059550 METHOD OF EXPANDING A TUBULAR ELEMENT The present invention relates to a method of expanding a tubular element from a first inner diameter to a second inner diameter larger than the first inner diameter. Expansion of tubular elements finds increased application, for example in the industry of hydrocarbon fluid production from a subterranean formation whereby the produced hydrocarbon fluid flows to surface via one or more production tubings extending into a wellbore. Conventionally, wellbores have been provided with a series of steel tubular casings or liners, for example to stabilise the wellbore wall or to provide zonal isolation between different earth formation layers traversed by the wellbore. Such casings or liners are installed at different depth intervals during drilling of the wellbore, whereby each subsequent casing is lowered through a previously installed casing into the wellbore to a selected depth below the previous casing. Cement is then pumped into the annular space around the casing to seal the annular space and to fix the casing in the wellbore. This procedure implies that the outer diameter of each subsequent casing needs to be smaller than the inner diameter of the previous casing, so that, as a result, the casings are installed in a nested arrangement. An inherent drawback of such nested arrangement relates to the decreasing available diameter with depth, which ultimately may limit the depth to which the wellbore can be drilled. To relieve this drawback, it has become practice to radially expand casings or liners in the wellbore, for WO2008/031832 PCT/EP2007/059550 -2 example to form an expanded clad against the borehole wall or a previously installed casing, or to reduce the annular space around the casing or liner. Also, it has been proposed to radially expand each subsequent casing 5 to a diameter substantially equal to the diameter of the previously installed casing so as to create a mono diameter well or a portion thereof. In this manner it is achieved that the available diameter for drilling and/or for installing completion equipment, remains 10 substantially constant along at least a portion of the depth. The monodiameter concept is particularly of interest for drilling of very deep wellbores, or drilling of extended-reach wellbores with long horizontal or inclined sections. 15 Expansion of the tubular element is achieved, for example, by moving an expander having a largest diameter about equal to the desired expansion diameter, through the tubular element. This is generally done by pumping, pushing or pulling the expander through the tubular 20 element, sometimes in combination with rotation of the expander. US-7007760-B2 discloses a method of radially expanding a tubular element using an expander assembled from an inner expander member and an outer expander 25 member extending around the inner expander member. The outer member expands the tubular element to a larger diameter than the inner member. During use, an end portion of the tubular element is first expanded to the larger diameter, whereafter the outer expander member is 30 released from the inner expander member, and the remainder of the tubular element is expanded to the smaller diameter using the inner expander member only.
WO2008/031832 PCT/EP2007/059550 -3 There remains, however, a need for an alternative method whereby a tubular element, or a portion thereof, is radially expanded, or whereby a portion of the tubular element is expanded to a diameter larger than a remainder 5 portion of the tubular element. In accordance with the invention there is provided a method of expanding a tubular element from a first inner diameter to a second inner diameter larger than the first inner diameter, the method comprising the steps of: 10 a) installing a sleeve of flexible material in the tubular element; b) installing an expander in the tubular element, the expander being suitable to radially expand the sleeve to an outer diameter larger than said first inner diameter 15 by moving the expander in axial direction through the sleeve; and c) moving the expander in axial direction through the sleeve thereby radially expanding the tubular element from the first inner diameter to the second inner 20 diameter. The sleeve of flexible material expands to a larger diameter during movement of the expander therethrough, and thereby expands the tubular element without direct contact between the expander and the tubular element. 25 Thus the same expander can be used to expand portions of the tubular element to different diameters by applying sleeves of different wall thickness in such portions. Also, due to its resilience the sleeve can be easily removed from the tubular element after the expansion 30 process. Furthermore, the method of the invention can be used to expand a portion of the tubular element at a location remote from the ends of the tubular element, for example WO2008/031832 PCT/EP2007/059550 -4 in order to create a launch section for an expandable expander that is transported to the launch section in unexpanded mode, and then expanded to the expanded mode to start expansion of a remaining portion of the tubular 5 element, or to create a housing for tools such as a separator pump. If only a portion of the tubular element is to be expanded, the sleeve suitably is installed in said portion, and the expander has a size allowing the 10 expander to be moved substantially unobstructed through a remaining portion of the tubular element. Thus, the expander can be easily removed from the tubular element after expansion is completed. In order to allow easy removal of the sleeve from the 15 tubular element after the expansion process, said flexible material of the sleeve suitably is a resilient material, for example an elastomer. A preferred elastomer material is polyurethane. Easy removal of the sleeve is enhanced if the sleeve is adapted to elastically deform, 20 after moving the expander through the sleeve, to an outer diameter substantially equal to an outer diameter of the sleeve before moving the expander through the sleeve. The invention will be described hereinafter by way of example in more detail, and with reference to the 25 accompanying drawings in which: Fig. 1 schematically shows a first embodiment of a tubular element before expansion thereof in accordance with the method of the invention; Fig. 2 schematically shows the tubular element of the 30 first embodiment during expansion in accordance with the method of the invention; WO2008/031832 PCT/EP2007/059550 -5 Fig. 3 schematically shows the tubular element of the first embodiment after expansion in accordance with the method of the invention; Fig. 4 schematically shows a second embodiment of a 5 tubular element before expansion thereof in accordance with the method of the invention; Fig. 5 schematically shows the tubular element of the second embodiment during expansion in accordance with the method of the invention; 10 Fig. 6 schematically shows the tubular element of the second embodiment after expansion in accordance with the method of the invention; Fig. 7 schematically shows an example of an expander and a sleeve for use in the method of the invention; and 15 Fig. 8 schematically shows an alternative expander for use in the method of the invention. In the drawings, like reference numerals relate to like components. Referring to Fig. 1 there is shown a tubular 20 element 1 having a first inner diameter D1 and being expandable to a second inner diameter D2 larger than the first inner diameter. The tubular element is made of any suitable deformable material such as, for example, steel or other metal. Further, the tubular element 1 can find 25 many applications including, for example, as a pipeline for the transportation of fluid at or below the earth surface, or as a casing or a liner extending into a wellbore for the production of hydrocarbon fluid from an earth formation. 30 The tubular element 1 is internally provided with an elastomer sleeve 2 having an outer diameter substantially equal to the first inner diameter D1 of the tubular element 1. Alternatively the elastomer sleeve 2 may have, WO2008/031832 PCT/EP2007/059550 -6 before its insertion into the tubular element 1, an outer diameter slightly larger than the inner diameter D1 of the tubular element so that the elastomer sleeve 2 becomes slightly compressed when inserted into the 5 tubular element 1. Furthermore, the tubular element 1 is internally provided with an expander 4 positioned adjacent the elastomer sleeve 2, the expander 4 having a conical end portion 6 at the side facing the elastomer sleeve 2. The 10 elastomer sleeve 2 has, at the side facing the expander 1, an inwardly tapering end portion 8 of a shape substantially complementary to the shape of the conical end portion 6 of the expander 4. Thus, the conical end portion 6 of the expander 1 snugly fits into the inwardly 15 tapering end portion 8 of the elastomer sleeve 2. The sleeve elastomer 2 has, at its other end, an inwardly tapering end portion 10 similar to the end portion 8. The expander 4 has a largest diameter slightly smaller than the inner diameter D1 of the tubular element 1 so as to 20 allow the expander 4 to be moved substantially unobstructed through the tubular element 1. A preferred half top-angle of the expander is between 5°-10
°
, most preferably about 7. In Fig. 2 is shown the tubular element 1 during 25 movement of the expander 4 through the elastomer sleeve 2 in longitudinal direction thereof. A portion of the elastomer sleeve 2 and a corresponding portion of the tubular element 1 have been radially expanded as a result of movement of the expander 4 through the sleeve 1. 30 In Fig. 3 is shown the tubular element 1 after the expander 4 has been moved through the elastomer sleeve 2, and after the sleeve 2 has been retrieved from the tubular element 1.
WO2008/031832 PCT/EP2007/059550 -7 In Figs. 4-6 is shown a system substantially similar to the system of respective Figs. 1-3, however with the difference that the sleeve 2 is at its outer surface provided with a metal sleeve 12 embedded in the elastomer 5 material of the sleeve 2 such that the outer surface of the metal sleeve 12 is substantially flush with portions of the elastomer sleeve axially displaced from the metal sleeve 12. The metal of sleeve 12 is, for example, steel or any other suitable deformable metal. Optionally the 10 metal sleeve 12 is at its outer surface provided with elastomer rings or bands (not shown) surrounding the metal sleeve 12. In Fig. 7 is shown an assembly 14 of the elastomer sleeve 2 and the expander 4 before installation in the 15 tubular element, and before movement of the expander 4 through the sleeve 2. The expander 4 is suspended on a wireline 16, or tubular string, and the elastomer sleeve 2 rests on the expander 4 whereby the conical end portion 6 of the expander 4 extends into the inwardly 20 tapering end portion 8 of the elastomer sleeve 2. In Fig. 8 is shown an alternative expander 16 having a first conical end portion 18 and a second conical end portion 20. During normal operation of the first embodiment 25 (shown in Figs. 1-3), the elastomer sleeve 2 is positioned in the tubular element 1 at a location where the tubular elements is to be radially expanded. Optionally the sleeve 2 can be fixedly connected to the tubular element 1 to keep the sleeve positioned at the 30 desired location. The expander 4 is positioned in the tubular element 1, adjacent the inwardly tapering end portion 8 of the sleeve 2 (Fig. 1). The expander is then moved through the sleeve 2 in longitudinal direction WO2008/031832 PCT/EP2007/059550 -8 thereof (Fig. 2) by pulling or pushing the expander, by applying fluid pressure to the rear end of the expander 4, or by any other suitable method. Also, the assembly 14 (Fig. 7) can be used whereby the elastomer 5 sleeve 2 and the expander 4 are simultaneously installed in the tubular element 1, for example by lowering the assembly 14 on wireline 16 into the tubular element 1, whereafter the expander 4 is pulled through the sleeve 2 by pulling wireline 16. As a result, the elastomer 10 sleeve 2 is expanded to an inner diameter substantially equal to the outer diameter of the expander 4. The elastomer sleeve 2, in turn, thereby expands a portion of the tubular element 1 to an inner diameter substantially equal to the outer diameter of the expanded elastomer 15 sleeve 2. Thus, if the outer diameter of the expander 4 equals Dl, the inner diameter of the expanded portion of the tubular element 1 equals approximately D1 plus twice the wall thickness of the sleeve 2. However, the inner diameter of the expanded portion may be slightly less due 20 to radial compression and/or axial stretching of the elastomer sleeve 2. The expander 4, after having passed through the full length of the sleeve 2, is then retrieved from the tubular element 1. The elastomer sleeve 2 resumes its 25 original diameter by virtue of its elastic properties. However, if the elastomer sleeve 2 has a tendency to stick to the inner surface of the tubular element 1 after passage of the expander 4, or is bonded to said inner surface, the elastomer sleeve 2 can be removed from the 30 tubular element using a suitable scraping means (not shown) or any other suitable means. Normal operation of the second embodiment (shown in Figs. 4-6) is substantially similar to normal operation WO2008/031832 PCT/EP2007/059550 -9 of the first embodiment, however with the difference that the metal sleeve 12 is radially expanded simultaneously with expansion of the elastomer sleeve 2. The metal sleeve 12 thereby becomes firmly pressed against the 5 inner surface of the expanded portion of the tubular element 1. In an attractive application of the method of the invention, the tubular element 1 forms a casing or a liner in a wellbore for the production of hydrocarbon 10 fluid from an earth formation. In such application, a possible purpose of the expanded metal sleeve 12 is to shut off openings (not shown) in the wall of the tubular element 1. The openings can be perforations that have been shot in the wall to allow flow of hydrocarbon fluid 15 from the earth formation into the tubular element, or holes due to corrosion. The elastomer rings or bands, if present, around the outer surface of the metal sleeve 12 serve to seal the metal sleeve 12 to the inner surface of the tubular element 1. 20 Normal use of the alternative expander 16 is substantially similar to normal use of the expander 4 described hereinbefore, however with the difference that the expander 16, after having been inserted into the tubular element, can be used to expand the tubular 25 element by moving the expander through the sleeve in either of two axial directions. For example, the expander 16 can be used to expand a first portion of the tubular element by moving the expander in one axial direction through a first sleeve located in the tubular 30 element, and thereafter to expand a second portion of the tubular element by moving the expander in the opposite axial direction through a second sleeve located in the tubular element.
WO2008/031832 PCT/EP2007/059550 - 10 To reduce, or prevent, axial deformation of the sleeve while allowing radial deformation during passage of the expander therethrough, suitably the sleeve is provided with longitudinal reinforcement fibres, such as 5 steel or polymer fibres. In the above example the sleeve is positioned loosely in the tubular element, whereby the friction forces between the sleeve and the tubular element prevent axial movement of the sleeve during movement of the expander 10 therethrough. However the sleeve alternatively can be bonded to the tubular element, for example by bonding the sleeve to the tubular element during vulcanisation of the elastomer sleeve material, or by gluing the sleeve to the tubular element. Also, the sleeve can be held stationary 15 by means of a shoulder provided at the inner surface of the tubular element. Alternatively, in order to temporarily anchor the sleeve to the inner surface of the tubular element, the expander is suitable provided with one or more radially 20 extendable anchoring pads arranged to push the sleeve against the inner surface of the tubular element. For example, each pad can include a piston radially movable in a cylinder formed in the expander, whereby the pistons are activated to move radially outward when the nose 25 section of the expander moves into the sleeve, such as by hydraulic activation or by spring force. Once the expander is positioned inside the sleeve, the frictional forces between the sleeve and the tubular element can be sufficient to prevent axial movement of the sleeve, and 30 the pads can then be de-activated. Further, in order to reduce friction between the sleeve and the expander, a lubricant is suitably applied to the inner surface of the sleeve and/or the outer WO2008/031832 PCT/EP2007/059550 - 11 surface of the expander. A preferred lubricant is soap. The outer surface of the expander and/or the inner surface of the sleeve preferably are provided with grooves extending, for example, in longitudinal 5 direction, to contain the lubricant. The method of the invention described hereinbefore finds many applications including, for example, creating an enlarged diameter end portion ("bell") of a casing section in a monodiameter well, creating an enlarged 10 diameter casing/liner portion in a section of a well where fluid losses occur during drilling, creating a fishing tool for retrieving a tubular member from a wellbore, creating a tubular connection whereby the expanded portion of the tubular element is pressed 15 against the inner surface of another tubular element, creating a profile in a tubular element, or creating a liner hanger. Also the method of the invention can be used for pipeline repair applications.
Claims (17)
1. A method of expanding a tubular element from a first inner diameter to a second inner diameter larger than the first inner diameter, the method comprising the steps of: a) installing a sleeve of flexible material in the 5 tubular element; b) installing an expander in the tubular element, the expander being suitable to radially expand the sleeve to an outer diameter larger than said first inner diameter by moving the expander in axial direction through the 10 sleeve; and c) moving the expander in axial direction through the sleeve thereby radially expanding the tubular element from the first inner diameter to the second inner diameter. 15
2. The method of claim 1, wherein the sleeve is installed in a portion of the tubular element, and wherein the expander has a size allowing the expander to be moved substantially unobstructed through a remaining portion of the tubular element. 20
3. The method of claim 1 or 2, wherein said flexible material is a resilient material.
4. The method of any one of claims 1-3, wherein said flexible material comprises an elastomer.
5. The method of any one of claims 1-4, wherein said 25 flexible material comprises polyurethane.
6. The method of any one claims 1-5, wherein the sleeve is adapted to elastically deform, after moving the expander through the sleeve, to an outer diameter substantially equal to an outer diameter of the sleeve 30 before moving the expander through the sleeve. WO2008/031832 PCT/EP2007/059550 - 13
7. The method of any one of claims 1-6, wherein the expander and the sleeve are simultaneously installed in the tubular element.
8. The method of claim 7, wherein the expander and the 5 sleeve are coupled to each other during installation of the expander and the sleeve in the tubular element.
9. The method of claim 8, wherein the sleeve rests on the expander during installation of the expander and the sleeve in the tubular element.
10 10. The method of claim 8 or 9, wherein the expander and the sleeve are inserted into the tubular element using a string extending in longitudinal direction through the tubular element, the string being connected to at least one of the expander and the sleeve. 15
11. The method of any one of claims 1-10, wherein the sleeve has an outer surface adapted to be bonded to the inner surface of the tubular element.
12. The method of claim 11, wherein the outer surface of the sleeve is fixedly connected to the inner surface of 20 the tubular element.
13. The method of 12, wherein the outer surface of the sleeve is bonded to the inner surface of the tubular element as a result of vulcanising the sleeve.
14. The method of any one of claims 1-13, wherein the 25 expander has a conical end portion, and wherein prior to moving the expander through the sleeve, said conical end portion is positioned adjacent an end portion of the sleeve having a shape substantially complementary to said conical end portion of the expander. 30
15. The method of any one of claims 1-14, wherein the tubular element extends into a borehole formed in an earth formation. WO2008/031832 PCT/EP2007/059550 - 14
16. The method of claim 15, wherein the tubular element is a wellbore casing or a wellbore liner.
17. The method substantially as described hereinbefore with reference to the accompanying drawings.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06120625.6 | 2006-09-14 | ||
EP06120625 | 2006-09-14 | ||
PCT/EP2007/059550 WO2008031832A1 (en) | 2006-09-14 | 2007-09-12 | Method of expanding a tubular element |
Publications (3)
Publication Number | Publication Date |
---|---|
AU2007296271A1 true AU2007296271A1 (en) | 2008-03-20 |
AU2007296271A8 AU2007296271A8 (en) | 2009-04-09 |
AU2007296271B2 AU2007296271B2 (en) | 2011-11-03 |
Family
ID=37715091
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2007296271A Ceased AU2007296271B2 (en) | 2006-09-14 | 2007-09-12 | Method of expanding a tubular element |
Country Status (7)
Country | Link |
---|---|
US (1) | US20090308594A1 (en) |
CN (1) | CN101517195A (en) |
AU (1) | AU2007296271B2 (en) |
BR (1) | BRPI0715228A2 (en) |
CA (1) | CA2662100A1 (en) |
GB (1) | GB2454391B (en) |
WO (1) | WO2008031832A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102966323A (en) * | 2012-11-12 | 2013-03-13 | 中国石油天然气股份有限公司 | Combined reducing expansion cone of expansion pipe |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2432605B (en) * | 2004-08-02 | 2009-07-08 | Enventure Global Technology | Expandable tubular |
GB2448924B (en) * | 2007-05-04 | 2010-09-15 | Dynamic Dinosaurs Bv | Methods for expanding tubular elements |
US8475924B2 (en) * | 2007-07-09 | 2013-07-02 | E.I. Du Pont De Nemours And Company | Compositions and methods for creating electronic circuitry |
US8360142B2 (en) * | 2009-06-15 | 2013-01-29 | Enventure Global Technology, Llc | High-ratio tubular expansion |
US8100186B2 (en) * | 2009-07-15 | 2012-01-24 | Enventure Global Technology, L.L.C. | Expansion system for expandable tubulars and method of expanding thereof |
EP2456949B1 (en) | 2009-08-28 | 2013-06-12 | Shell Internationale Research Maatschappij B.V. | System and method for anchoring an expandable tubular to a borehole wall |
CN102482934A (en) | 2009-08-28 | 2012-05-30 | 国际壳牌研究有限公司 | System and method for anchoring an expandable tubular to a borehole wall |
BR112012004483A2 (en) | 2009-08-28 | 2016-03-22 | Shell Internationale Reseach Mij B V | system for anchoring an expandable tubular to a borehole wall |
US8695698B2 (en) * | 2009-11-20 | 2014-04-15 | Enventure Global Technology, L.L.C. | Expansion system for expandable tubulars |
EP2362062A1 (en) * | 2010-02-22 | 2011-08-31 | Welltec A/S | An annular barrier |
US8936077B2 (en) * | 2010-12-02 | 2015-01-20 | Baker Hughes Incorporated | Removable insert for formation of a recess in a tubular by expansion |
US9765598B2 (en) * | 2014-05-05 | 2017-09-19 | Enventure Global Technology, Inc. | Expansion system |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3191677A (en) * | 1963-04-29 | 1965-06-29 | Myron M Kinley | Method and apparatus for setting liners in tubing |
US6273634B1 (en) * | 1996-11-22 | 2001-08-14 | Shell Oil Company | Connector for an expandable tubing string |
US6135208A (en) * | 1998-05-28 | 2000-10-24 | Halliburton Energy Services, Inc. | Expandable wellbore junction |
DE69926802D1 (en) * | 1998-12-22 | 2005-09-22 | Weatherford Lamb | METHOD AND DEVICE FOR PROFILING AND CONNECTING PIPES |
AU756966B2 (en) * | 1999-04-09 | 2003-01-30 | Shell Internationale Research Maatschappij B.V. | Method for annular sealing |
GB9920935D0 (en) * | 1999-09-06 | 1999-11-10 | E2 Tech Ltd | Apparatus for and a method of anchoring a first conduit to a second conduit |
US7100685B2 (en) * | 2000-10-02 | 2006-09-05 | Enventure Global Technology | Mono-diameter wellbore casing |
US6530574B1 (en) * | 2000-10-06 | 2003-03-11 | Gary L. Bailey | Method and apparatus for expansion sealing concentric tubular structures |
GB2395734B (en) * | 2001-07-13 | 2005-08-31 | Shell Int Research | Method of expanding a tubular element in a wellbore |
CA2463610A1 (en) * | 2001-10-23 | 2003-05-01 | Shell Canada Limited | Device for performing a downhole operation |
US6749026B2 (en) * | 2002-03-21 | 2004-06-15 | Halliburton Energy Services, Inc. | Method of forming downhole tubular string connections |
AU2003230589A1 (en) * | 2002-04-12 | 2003-10-27 | Enventure Global Technology | Protective sleeve for threaded connections for expandable liner hanger |
US6684958B2 (en) * | 2002-04-15 | 2004-02-03 | Baker Hughes Incorporated | Flapper lock open apparatus |
GB0313664D0 (en) * | 2003-06-13 | 2003-07-16 | Weatherford Lamb | Method and apparatus for supporting a tubular in a bore |
BRPI0412339B1 (en) * | 2003-07-07 | 2015-10-06 | Shell Internationale Res Maartschappij B V | METHOD FOR EXPANDING A TUBULAR ELEMENT |
GB2448924B (en) * | 2007-05-04 | 2010-09-15 | Dynamic Dinosaurs Bv | Methods for expanding tubular elements |
US8360142B2 (en) * | 2009-06-15 | 2013-01-29 | Enventure Global Technology, Llc | High-ratio tubular expansion |
-
2007
- 2007-09-12 AU AU2007296271A patent/AU2007296271B2/en not_active Ceased
- 2007-09-12 WO PCT/EP2007/059550 patent/WO2008031832A1/en active Application Filing
- 2007-09-12 GB GB0902048A patent/GB2454391B/en active Active
- 2007-09-12 US US12/440,938 patent/US20090308594A1/en not_active Abandoned
- 2007-09-12 BR BRPI0715228-0A patent/BRPI0715228A2/en not_active IP Right Cessation
- 2007-09-12 CA CA002662100A patent/CA2662100A1/en not_active Abandoned
- 2007-09-12 CN CNA2007800341786A patent/CN101517195A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102966323A (en) * | 2012-11-12 | 2013-03-13 | 中国石油天然气股份有限公司 | Combined reducing expansion cone of expansion pipe |
Also Published As
Publication number | Publication date |
---|---|
BRPI0715228A2 (en) | 2013-06-18 |
CN101517195A (en) | 2009-08-26 |
GB0902048D0 (en) | 2009-03-18 |
CA2662100A1 (en) | 2008-03-20 |
US20090308594A1 (en) | 2009-12-17 |
WO2008031832A1 (en) | 2008-03-20 |
AU2007296271A8 (en) | 2009-04-09 |
AU2007296271B2 (en) | 2011-11-03 |
GB2454391B (en) | 2011-01-12 |
GB2454391A (en) | 2009-05-06 |
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Legal Events
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TH | Corrigenda |
Free format text: IN VOL 23, NO 10, PAGE(S) 7159 UNDER THE HEADING PCT APPLICATIONS THAT HAVE ENTERED THE NATIONAL PHASE -NAME INDEX UNDER THE NAME SHELL INTERNATIONAL RESEARCH MAATSCHAPPIJ B.V., APPLICATION NO. 2007296271, UNDER INID (71) CORRECT THE NAME TO READ SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. |
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FGA | Letters patent sealed or granted (standard patent) | ||
MK14 | Patent ceased section 143(a) (annual fees not paid) or expired |