US20080230236A1 - Packing element and method - Google Patents
Packing element and method Download PDFInfo
- Publication number
- US20080230236A1 US20080230236A1 US11/726,265 US72626507A US2008230236A1 US 20080230236 A1 US20080230236 A1 US 20080230236A1 US 72626507 A US72626507 A US 72626507A US 2008230236 A1 US2008230236 A1 US 2008230236A1
- Authority
- US
- United States
- Prior art keywords
- packing
- tubular
- packing element
- seal member
- mandrel
- 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.)
- Abandoned
Links
Images
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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
- E21B33/1208—Packers; Plugs characterised by the construction of the sealing or packing means
- E21B33/1212—Packers; Plugs characterised by the construction of the sealing or packing means including a metal-to-metal seal element
-
- 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
- E21B33/128—Packers; Plugs with a member expanded radially by axial pressure
Definitions
- Packing elements are well known and often used components of downhole operations. Packing elements are used for a number of different reasons in a number of different systems but generally all operate similarly. Packing elements are annular structures used to press against an inside or outside diameter of a target tubular, sometimes sealing thereagainst, to prevent all fluid communication past the packing element/tubular interface.
- a packing element includes a mandrel, at least one seal member having a Chevron shape and composed of a metal material, and an energizer in operable communication with the at least one seal member.
- the method includes compressing a packing element, splaying open at least one seal member to enlarge a radial dimension of the member, and maintaining energy in the at least one seal member.
- FIG. 1 is a quarter section view of a packing element in accordance with this disclosure in the run in position;
- FIG. 2 is a quarter section view of the element of FIG. 1 in the set position
- FIG. 3 is a quarter section view of an alternative arrangement of a packing element.
- the element 10 includes a mandrel 12 upon which is disposed a series of components.
- the components include (arbitrarily starting from an uphole end of the packing element 10 ) a slip 14 in operable communication with a moveable ramp 16 disposed upon the mandrel; a release member 18 (such as a sheer screw) releasably attaching the moveable ramp 16 to the mandrel 12 ; a series (one or more sealing elements 20 ) of Chevron shaped seal members 22 disposed between the ramp 16 and an energizer 24 ; another series (one or more sealing elements) of Chevron shaped seal member 26 disposed between the energizer 24 and another moveable ramp 28 ; a release member 30 releasably attaching the ramp 28 to the mandrel 12 ; a slip 32 in operable communication with the ramp 28 , and a
- the packing element 10 is set to create a seal, by being axially compressed which causes a compression of each of the components numerically identified above to an axially smaller area. That is, in order to set the element 10 , slip 14 is caused to reside more axially proximate to ratchet 34 . This can be effected by preventing movement of ratchet 34 while moving mandrel 12 in a direction that brings a mandrel shoulder 36 closer to ratchet 34 , thereby forcing all other components to also become closer to ratchet 34 ; by moving mandrel 12 in the same direction while moving ratchet 34 in an opposing direction; and by fixing the mandrel in place and moving the ratchet 34 toward mandrel shoulder 36 .
- the axial distance between mandrel shoulder 36 and ratchet 34 is reduced thereby compressing all intermediary components into a smaller axial space.
- the slips 14 and 32 are caused to move up ramp surfaces 38 and 40 , respectively, thereby moving slips 14 and 32 radially outwardly of mandrel 12 into interfacing contact with an inside surface 42 of a tubular (not otherwise shown).
- Slips 14 and 32 thus provide anchoring of the packing element 10 .
- the slips 14 and 32 are maintained in this position by ratchet assembly 34 , which ratchets in the direction of compression of the packing element 10 and prevents movement in an opposite direction.
- movable ramps 16 and 28 are also urged to move toward one another.
- movement is unidirectional, though collectively converging.
- release members 18 and 30 which are illustrated as shear members, in the sheared position.
- the converging relative movement of movable ramps 16 and 28 causes an axial load to be applied to seal members 22 and 26 as well as to energizer 24 , positioned therebetween.
- the seal members 22 and 26 tend to yield to a configuration that is flatter, or alternatively stated, more radially directed than the condition in which they exist when at rest, (see FIGS.
- each sealing element 20 of seal members 22 and 26 Due to the Chevron shape of each sealing element 20 of seal members 22 and 26 , a flattening, i.e. a growth, or splaying open of an inside angle alpha, necessarily translates to an increasing radial distance between an inside edge 44 and an outside edge 46 of each sealing element 20 of each seal member 22 and 26 . Radial growth is precisely what is needed to seal the annulus between mandrel 12 and inside diameter 42 . In addition, because of the directional nature of the seal members 22 and 26 , utilizing both directions in a single packing element 10 ensures that pressure is held from both directions.
- Energizer 24 which is a resilient member such as a spring, ensures that sealing energy stays in the seal members even after multiple pressure reversals in the downhole environment. Such pressure reversals have been a cause of seal leakage and such is avoided in the context of the invention by employing the energizer 24 .
- the seal members comprise non-elastomeric materials to enhance resistance of the packing element to downhole environmental conditions thereby ensuring a long, useful life of the element.
- each of the individual sealing elements 20 of the seal members 22 and 26 will automatically adjust to the surface by extending more radially outwardly (limited of course to a maximum radial expansion related to total axial compression and the ability of the seals to flatten) or by being more highly loaded against a “high spot” on the casing so that the individual sealing element member does not expand radially to its otherwise fullest potential. Due to this property, the individual sealing element will create individual annular seals that together combine to create a more competent packing element while being exceptionally robust.
- seal members 20 or even the energizer 24 could be arranged to abut the mandrel shoulder 36 , for example, so that energy is storable in the packing element through axial compression thereof against the shoulder 36 or similar.
- seal members 22 may be employed alone with such as ratchet assembly 34 to hold energy in the seals.
Abstract
A packing element includes a mandrel, at least one seal member having a Chevron shape and composed of a metal material, and an energizer in operable communication with the at least one seal member and a method for packing a tubular.
Description
- Packing elements are well known and often used components of downhole operations. Packing elements are used for a number of different reasons in a number of different systems but generally all operate similarly. Packing elements are annular structures used to press against an inside or outside diameter of a target tubular, sometimes sealing thereagainst, to prevent all fluid communication past the packing element/tubular interface.
- While the ubiquity of packing elements clearly evidences their effectiveness, it will be recognized by those of ordinary skill in the art that because of the elastomeric material utilized in most packing elements, degradation remains a problem for the art. The art is therefore always receptive to alternatives and especially those with greater robustness.
- A packing element includes a mandrel, at least one seal member having a Chevron shape and composed of a metal material, and an energizer in operable communication with the at least one seal member.
- Further disclosed herein is a method of packing a tubular. The method includes compressing a packing element, splaying open at least one seal member to enlarge a radial dimension of the member, and maintaining energy in the at least one seal member.
- Referring now to the drawings wherein like elements are numbered alike in the several Figures:
-
FIG. 1 is a quarter section view of a packing element in accordance with this disclosure in the run in position; -
FIG. 2 is a quarter section view of the element ofFIG. 1 in the set position; -
FIG. 3 is a quarter section view of an alternative arrangement of a packing element. - Referring to
FIG. 1 , one embodiment of apacking element 10 that is in one iteration free of elastomeric members is illustrated in the run-in position. Theelement 10 includes amandrel 12 upon which is disposed a series of components. The components include (arbitrarily starting from an uphole end of the packing element 10) aslip 14 in operable communication with amoveable ramp 16 disposed upon the mandrel; a release member 18 (such as a sheer screw) releasably attaching themoveable ramp 16 to themandrel 12; a series (one or more sealing elements 20) of Chevron shapedseal members 22 disposed between theramp 16 and anenergizer 24; another series (one or more sealing elements) of Chevron shapedseal member 26 disposed between theenergizer 24 and anothermoveable ramp 28; arelease member 30 releasably attaching theramp 28 to themandrel 12; aslip 32 in operable communication with theramp 28, and aratchet assembly 34. - The
packing element 10 is set to create a seal, by being axially compressed which causes a compression of each of the components numerically identified above to an axially smaller area. That is, in order to set theelement 10,slip 14 is caused to reside more axially proximate to ratchet 34. This can be effected by preventing movement ofratchet 34 while movingmandrel 12 in a direction that brings amandrel shoulder 36 closer toratchet 34, thereby forcing all other components to also become closer toratchet 34; by movingmandrel 12 in the same direction while movingratchet 34 in an opposing direction; and by fixing the mandrel in place and moving theratchet 34 towardmandrel shoulder 36. In each case, the axial distance betweenmandrel shoulder 36 andratchet 34 is reduced thereby compressing all intermediary components into a smaller axial space. During such movement of the components hereof, theslips ramp surfaces slips mandrel 12 into interfacing contact with aninside surface 42 of a tubular (not otherwise shown).Slips packing element 10. Theslips ratchet assembly 34, which ratchets in the direction of compression of thepacking element 10 and prevents movement in an opposite direction. Contemporaneously with the movement ofslips movable ramps FIG. 2 with specific attention focused uponrelease members movable ramps members energizer 24, positioned therebetween. In the compressed condition, theseal members FIGS. 1 and 2 in comparison). Due to the Chevron shape of eachsealing element 20 ofseal members inside edge 44 and anoutside edge 46 of eachsealing element 20 of eachseal member mandrel 12 and insidediameter 42. In addition, because of the directional nature of theseal members single packing element 10 ensures that pressure is held from both directions. - Energizer 24, which is a resilient member such as a spring, ensures that sealing energy stays in the seal members even after multiple pressure reversals in the downhole environment. Such pressure reversals have been a cause of seal leakage and such is avoided in the context of the invention by employing the
energizer 24. - In an alternate embodiment, referring to
FIG. 3 , the direction of theseal members - In the foregoing embodiments, the seal members comprise non-elastomeric materials to enhance resistance of the packing element to downhole environmental conditions thereby ensuring a long, useful life of the element.
- Because of the particular configuration of the
sealing elements 20 of eachseal member inside surface 42 of a target tubular and themandrel 12. This means that ridges and other surface irregularities of the target tubular are much more easily accommodated than with prior art packing elements having a broader contact surface in one element, where bridging might occur. For example, if a target tubular presents a series of annular irregularities, each of theindividual sealing elements 20 of theseal members - It is to be appreciated that while a pair of slips is shown and a pair of sealing members is shown, singles of each is also workable while still maintaining good sealing properties of the packing element. In such a configuration, the
seal members 20 or even theenergizer 24 could be arranged to abut themandrel shoulder 36, for example, so that energy is storable in the packing element through axial compression thereof against theshoulder 36 or similar. - In yet another embodiment, where anchoring is not needed or desired, the seal members 22 (or 22 and 26) may be employed alone with such as
ratchet assembly 34 to hold energy in the seals. - While preferred embodiments have been shown and described, modifications and substitutions may be made thereto without departing from the spirit and scope of the invention. Accordingly, it is to be understood that the present invention has been described by way of illustrations and not limitation.
Claims (18)
1. A packing element comprising:
a mandrel;
at least one seal member having a Chevron shape and composed of a metal material; and
an energizer in operable communication with the at least one seal member.
2. The packing element as claimed in claim 1 wherein the element further comprises at least one slip and at least one ramp in operable communication with the mandrel.
3. The packing element as claimed in claim 2 wherein the at least one ramp is movable on the mandrel.
4. The packing element as claimed in claim 2 wherein the at least one slip and at least one ramp is two slips and two ramps, one of each operable as a set and responsive to axial compression along the mandrel to increase an outside diameter of each slip and ramp combination.
5. The packing element as claimed in claim 1 wherein the at least one seal member comprises a stack of seal member elements.
6. The packing element as claimed in claim 1 wherein the at least one seal member is two seal members having a direction of the Chevron shape of each member opposed.
7. The packing element as claimed in claim 1 wherein the energizer is a resilient member.
8. The packing element as claimed in claim 1 wherein the energizer is a spring member.
9. The packing element as claimed in claim 1 wherein the at least one seal member when actuated creates a series of relatively narrow annular seals with a target tubular.
10. The packing element as claimed in claim 9 wherein the series of seals are at different relative diameters.
11. A method of packing a tubular comprising:
compressing a packing element as claimed in claim 1 ;
splaying open at least one seal member to enlarge a radial dimension of the member; and
maintaining energy in the at least one seal member.
12. The method of packing a tubular as claimed in claim 11 wherein the compression is axial.
13. The method of packing a tubular as claimed in claim 11 wherein the splaying of at least one seal member is splaying open of a number of sealing elements to cause a number of relatively narrow annular seals to form against a target tubular.
14. The method of packing a tubular as claimed in claim 13 wherein the relatively narrow annular seals have different diameters.
15. The method of packing a tubular as claimed in claim 11 wherein the maintaining is by compressing an energizer to store energy that is automatically released upon a reduction in axial compression of the packing element.
16. The method of packing a tubular as claimed in claim 11 wherein the maintaining is by setting a ratcheting assembly.
17. The method of packing a tubular as claimed in claim 11 wherein the at least one seal member is a number of seal members, the members each including at least one sealing element.
18. The method of packing a tubular as claimed in claim 17 wherein the seal members are a mirror image of one another.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/726,265 US20080230236A1 (en) | 2007-03-21 | 2007-03-21 | Packing element and method |
PCT/US2008/057575 WO2008116034A1 (en) | 2007-03-21 | 2008-03-20 | Packing element and method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/726,265 US20080230236A1 (en) | 2007-03-21 | 2007-03-21 | Packing element and method |
Publications (1)
Publication Number | Publication Date |
---|---|
US20080230236A1 true US20080230236A1 (en) | 2008-09-25 |
Family
ID=39560887
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/726,265 Abandoned US20080230236A1 (en) | 2007-03-21 | 2007-03-21 | Packing element and method |
Country Status (2)
Country | Link |
---|---|
US (1) | US20080230236A1 (en) |
WO (1) | WO2008116034A1 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110247835A1 (en) * | 2010-04-12 | 2011-10-13 | Halliburton Energy Services, Inc. | Sequenced packing element system |
US20120298349A1 (en) * | 2011-05-25 | 2012-11-29 | I-Tec As | Packer for Sealing Against a Wellbore Wall |
US8397803B2 (en) | 2010-07-06 | 2013-03-19 | Halliburton Energy Services, Inc. | Packing element system with profiled surface |
CN103032042A (en) * | 2011-10-05 | 2013-04-10 | 韦特柯格雷公司 | Damage tolerant casing hanger seal |
US20140124193A1 (en) * | 2011-03-04 | 2014-05-08 | Parker-Hannifin Corporation | Metal chevron axial seal |
Citations (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2320589A (en) * | 1941-04-28 | 1943-06-01 | Smith Corp A O | Packing assembly |
US2799345A (en) * | 1953-11-24 | 1957-07-16 | Baker Oil Tools Inc | Tubing tester and well packer apparatus |
US2903281A (en) * | 1956-08-28 | 1959-09-08 | Gen Electric | Metallic fluid seal |
US3047300A (en) * | 1959-07-01 | 1962-07-31 | Lockheed Aircraft Corp | Metal sealing assembly |
US3443638A (en) * | 1967-06-09 | 1969-05-13 | Henry C Haynie | Pack-off assembly and method of running pipe |
US3894818A (en) * | 1973-04-27 | 1975-07-15 | Smith International | In-hole motors |
US4127168A (en) * | 1977-03-11 | 1978-11-28 | Exxon Production Research Company | Well packers using metal to metal seals |
US4160551A (en) * | 1977-10-03 | 1979-07-10 | Engineering Enterprises, Inc. | Seal assembly |
US4234197A (en) * | 1979-01-19 | 1980-11-18 | Baker International Corporation | Conduit sealing system |
US4288082A (en) * | 1980-04-30 | 1981-09-08 | Otis Engineering Corporation | Well sealing system |
US4291768A (en) * | 1980-01-14 | 1981-09-29 | W-K-M Wellhead Systems, Inc. | Packing assembly for wellheads |
US4372390A (en) * | 1980-09-02 | 1983-02-08 | Hughes Tool Company | Well valve |
US4406469A (en) * | 1981-09-21 | 1983-09-27 | Baker International Corporation | Plastically deformable conduit seal for subterranean wells |
US4515213A (en) * | 1983-02-09 | 1985-05-07 | Memory Metals, Inc. | Packing tool apparatus for sealing well bores |
US4537251A (en) * | 1984-04-06 | 1985-08-27 | Braddick Britt O | Arrangement to prevent premature expansion of expandable seal means |
US4630636A (en) * | 1983-11-16 | 1986-12-23 | Baker Cac | Actuator with nonelastomeric seal |
US4691776A (en) * | 1986-05-29 | 1987-09-08 | Camco, Incorporated | Retrievable well safety valve with expandable external seals |
US4730670A (en) * | 1985-12-06 | 1988-03-15 | Baker Oil Tools, Inc. | High temperature packer for well conduits |
US4811959A (en) * | 1987-11-27 | 1989-03-14 | Otis Engineering Corporation | Seal assembly for well locking mandrel |
US5263683A (en) * | 1992-05-05 | 1993-11-23 | Grace Energy Corporation | Sliding sleeve valve |
US5316084A (en) * | 1990-08-27 | 1994-05-31 | Baker Hughes Incorporated | Well tool with sealing means |
US5685369A (en) * | 1996-05-01 | 1997-11-11 | Abb Vetco Gray Inc. | Metal seal well packer |
US6098717A (en) * | 1997-10-08 | 2000-08-08 | Formlock, Inc. | Method and apparatus for hanging tubulars in wells |
US20020014339A1 (en) * | 1999-12-22 | 2002-02-07 | Richard Ross | Apparatus and method for packing or anchoring an inner tubular within a casing |
US20030213601A1 (en) * | 2002-05-20 | 2003-11-20 | Schwendemann Kenneth L. | Downhole seal assembly and method for use of same |
US20030221830A1 (en) * | 2002-06-04 | 2003-12-04 | Leising Lawrence J. | Re-enterable gravel pack system with inflate packer |
US20040055786A1 (en) * | 2002-09-24 | 2004-03-25 | Weatherford/Lamb, Inc. | Positive displacement apparatus for selectively translating expander tool downhole |
US20040065446A1 (en) * | 2002-10-08 | 2004-04-08 | Khai Tran | Expander tool for downhole use |
US20040149450A1 (en) * | 2003-01-31 | 2004-08-05 | Harrall Simon J. | Method and apparatus for expanding a welded connection |
US20040149439A1 (en) * | 2003-01-31 | 2004-08-05 | Badrak Robert P. | Flash welding process for field joining of tubulars for expandable applications |
US20040244994A1 (en) * | 2001-09-10 | 2004-12-09 | Weatherford/Lamb, Inc. | Expandable hanger and packer |
US6896049B2 (en) * | 2000-07-07 | 2005-05-24 | Zeroth Technology Ltd. | Deformable member |
US20050161232A1 (en) * | 2004-01-27 | 2005-07-28 | Schlumberger Technology Corporation | Annular Barrier Tool |
US20050252662A1 (en) * | 1998-12-22 | 2005-11-17 | Weatherford/Lamb, Inc. | Apparatus and method for expanding a tubular |
US20060032640A1 (en) * | 2002-04-15 | 2006-02-16 | Todd Mattingly Haynes And Boone, L.L.P. | Protective sleeve for threaded connections for expandable liner hanger |
US20070089887A1 (en) * | 2005-10-24 | 2007-04-26 | Baker Hughes Incorporated | Metal-to-metal non-elastomeric seal stack |
US20070200299A1 (en) * | 2006-02-17 | 2007-08-30 | Innicor Subsurface Technologies Inc | Spring/seal element |
US20080061510A1 (en) * | 2006-09-11 | 2008-03-13 | Schlumberger Technology Corporation | Forming a metal-to-metal seal in a well |
US20080135229A1 (en) * | 2006-12-07 | 2008-06-12 | Vetco Gray Inc. | Flex-lock metal seal system for wellhead members |
US7401788B2 (en) * | 2002-05-30 | 2008-07-22 | Baker Hughes Incorporated | High pressure and temperature seal for downhole use |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2820457B1 (en) * | 2001-02-02 | 2003-08-01 | Inst Francais Du Petrole | SAFETY VALVE WITH DIRECT INSTALLATION IN A TUBE FOR PRODUCING AN OIL WELL AND METHOD FOR IMPLEMENTING SAME |
NO20025162A (en) * | 2002-10-25 | 2004-01-05 | Reslink As | Well packing for a pipe string and a method of passing a conduit past the well packing |
-
2007
- 2007-03-21 US US11/726,265 patent/US20080230236A1/en not_active Abandoned
-
2008
- 2008-03-20 WO PCT/US2008/057575 patent/WO2008116034A1/en active Application Filing
Patent Citations (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2320589A (en) * | 1941-04-28 | 1943-06-01 | Smith Corp A O | Packing assembly |
US2799345A (en) * | 1953-11-24 | 1957-07-16 | Baker Oil Tools Inc | Tubing tester and well packer apparatus |
US2903281A (en) * | 1956-08-28 | 1959-09-08 | Gen Electric | Metallic fluid seal |
US3047300A (en) * | 1959-07-01 | 1962-07-31 | Lockheed Aircraft Corp | Metal sealing assembly |
US3443638A (en) * | 1967-06-09 | 1969-05-13 | Henry C Haynie | Pack-off assembly and method of running pipe |
US3894818A (en) * | 1973-04-27 | 1975-07-15 | Smith International | In-hole motors |
US4127168A (en) * | 1977-03-11 | 1978-11-28 | Exxon Production Research Company | Well packers using metal to metal seals |
US4160551A (en) * | 1977-10-03 | 1979-07-10 | Engineering Enterprises, Inc. | Seal assembly |
US4234197A (en) * | 1979-01-19 | 1980-11-18 | Baker International Corporation | Conduit sealing system |
US4291768A (en) * | 1980-01-14 | 1981-09-29 | W-K-M Wellhead Systems, Inc. | Packing assembly for wellheads |
US4288082A (en) * | 1980-04-30 | 1981-09-08 | Otis Engineering Corporation | Well sealing system |
US4372390A (en) * | 1980-09-02 | 1983-02-08 | Hughes Tool Company | Well valve |
US4406469A (en) * | 1981-09-21 | 1983-09-27 | Baker International Corporation | Plastically deformable conduit seal for subterranean wells |
US4515213A (en) * | 1983-02-09 | 1985-05-07 | Memory Metals, Inc. | Packing tool apparatus for sealing well bores |
US4630636A (en) * | 1983-11-16 | 1986-12-23 | Baker Cac | Actuator with nonelastomeric seal |
US4537251A (en) * | 1984-04-06 | 1985-08-27 | Braddick Britt O | Arrangement to prevent premature expansion of expandable seal means |
US4730670A (en) * | 1985-12-06 | 1988-03-15 | Baker Oil Tools, Inc. | High temperature packer for well conduits |
US4691776A (en) * | 1986-05-29 | 1987-09-08 | Camco, Incorporated | Retrievable well safety valve with expandable external seals |
US4811959A (en) * | 1987-11-27 | 1989-03-14 | Otis Engineering Corporation | Seal assembly for well locking mandrel |
US5316084A (en) * | 1990-08-27 | 1994-05-31 | Baker Hughes Incorporated | Well tool with sealing means |
US5263683A (en) * | 1992-05-05 | 1993-11-23 | Grace Energy Corporation | Sliding sleeve valve |
US5685369A (en) * | 1996-05-01 | 1997-11-11 | Abb Vetco Gray Inc. | Metal seal well packer |
US6098717A (en) * | 1997-10-08 | 2000-08-08 | Formlock, Inc. | Method and apparatus for hanging tubulars in wells |
US20050252662A1 (en) * | 1998-12-22 | 2005-11-17 | Weatherford/Lamb, Inc. | Apparatus and method for expanding a tubular |
US20020014339A1 (en) * | 1999-12-22 | 2002-02-07 | Richard Ross | Apparatus and method for packing or anchoring an inner tubular within a casing |
US6896049B2 (en) * | 2000-07-07 | 2005-05-24 | Zeroth Technology Ltd. | Deformable member |
US20040244994A1 (en) * | 2001-09-10 | 2004-12-09 | Weatherford/Lamb, Inc. | Expandable hanger and packer |
US20060032640A1 (en) * | 2002-04-15 | 2006-02-16 | Todd Mattingly Haynes And Boone, L.L.P. | Protective sleeve for threaded connections for expandable liner hanger |
US20030213601A1 (en) * | 2002-05-20 | 2003-11-20 | Schwendemann Kenneth L. | Downhole seal assembly and method for use of same |
US7401788B2 (en) * | 2002-05-30 | 2008-07-22 | Baker Hughes Incorporated | High pressure and temperature seal for downhole use |
US20030221830A1 (en) * | 2002-06-04 | 2003-12-04 | Leising Lawrence J. | Re-enterable gravel pack system with inflate packer |
US20040055786A1 (en) * | 2002-09-24 | 2004-03-25 | Weatherford/Lamb, Inc. | Positive displacement apparatus for selectively translating expander tool downhole |
US20040065446A1 (en) * | 2002-10-08 | 2004-04-08 | Khai Tran | Expander tool for downhole use |
US6935430B2 (en) * | 2003-01-31 | 2005-08-30 | Weatherford/Lamb, Inc. | Method and apparatus for expanding a welded connection |
US20040149450A1 (en) * | 2003-01-31 | 2004-08-05 | Harrall Simon J. | Method and apparatus for expanding a welded connection |
US20040149439A1 (en) * | 2003-01-31 | 2004-08-05 | Badrak Robert P. | Flash welding process for field joining of tubulars for expandable applications |
US20050161232A1 (en) * | 2004-01-27 | 2005-07-28 | Schlumberger Technology Corporation | Annular Barrier Tool |
US20070089887A1 (en) * | 2005-10-24 | 2007-04-26 | Baker Hughes Incorporated | Metal-to-metal non-elastomeric seal stack |
US7445047B2 (en) * | 2005-10-24 | 2008-11-04 | Baker Hughes Incorporated | Metal-to-metal non-elastomeric seal stack |
US20070200299A1 (en) * | 2006-02-17 | 2007-08-30 | Innicor Subsurface Technologies Inc | Spring/seal element |
US20080061510A1 (en) * | 2006-09-11 | 2008-03-13 | Schlumberger Technology Corporation | Forming a metal-to-metal seal in a well |
US20080135229A1 (en) * | 2006-12-07 | 2008-06-12 | Vetco Gray Inc. | Flex-lock metal seal system for wellhead members |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8602116B2 (en) * | 2010-04-12 | 2013-12-10 | Halliburton Energy Services, Inc. | Sequenced packing element system |
US20110247835A1 (en) * | 2010-04-12 | 2011-10-13 | Halliburton Energy Services, Inc. | Sequenced packing element system |
US8397803B2 (en) | 2010-07-06 | 2013-03-19 | Halliburton Energy Services, Inc. | Packing element system with profiled surface |
US9458691B2 (en) * | 2011-03-04 | 2016-10-04 | Parker-Hannifin Corporation | Metal chevron axial seal |
US20140124193A1 (en) * | 2011-03-04 | 2014-05-08 | Parker-Hannifin Corporation | Metal chevron axial seal |
US8960277B2 (en) * | 2011-05-25 | 2015-02-24 | I-Tec As | Packer for sealing against a wellbore wall |
US20120298349A1 (en) * | 2011-05-25 | 2012-11-29 | I-Tec As | Packer for Sealing Against a Wellbore Wall |
US20130087977A1 (en) * | 2011-10-05 | 2013-04-11 | Gary L. Galle | Damage tolerant casing hanger seal |
GB2495394B (en) * | 2011-10-05 | 2014-04-02 | Vetco Gray Inc | Damage tolerant casing hanger seal |
GB2495394A (en) * | 2011-10-05 | 2013-04-10 | Vetco Gray Inc | Chevron shaped seal elements |
CN103032042A (en) * | 2011-10-05 | 2013-04-10 | 韦特柯格雷公司 | Damage tolerant casing hanger seal |
US9341039B2 (en) | 2011-10-05 | 2016-05-17 | Vetco GrayInc. | Damage tolerant casing hanger seal |
AU2012232952B2 (en) * | 2011-10-05 | 2016-11-24 | Vetco Gray Inc. | Damage tolerant casing hanger seal |
Also Published As
Publication number | Publication date |
---|---|
WO2008116034A1 (en) | 2008-09-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5749585A (en) | Downhole tool sealing system with cylindrical biasing member with narrow width and wider width openings | |
US8678099B2 (en) | Sealing system | |
US5988276A (en) | Compact retrievable well packer | |
US7552768B2 (en) | Swelling packer element with enhanced sealing force | |
US10094198B2 (en) | Big gap element sealing system | |
US7891433B2 (en) | Resettable antiextrusion backup system and method | |
US20100019426A1 (en) | Spring/seal element | |
US20080296845A1 (en) | Downhole seal apparatus and method | |
US9528341B2 (en) | Continuous expandable backup ring for a seal with retraction capability | |
US11136854B2 (en) | Downhole tool with sealing ring | |
US20140284047A1 (en) | Expandable packer | |
US20030079887A1 (en) | High pressure sealing apparatus and method | |
US20080230236A1 (en) | Packing element and method | |
US11873691B2 (en) | Load anchor with sealing | |
US11299957B2 (en) | Plug for a coiled tubing string | |
EP3253944B1 (en) | Well tool device comprising force distribution device | |
NO20180346A1 (en) | Releasably locked debris barrier for a subterranean tool | |
US20140084547A1 (en) | High pressure seal back-up | |
GB2435486A (en) | A downhole packer | |
US20140015201A1 (en) | High pressure seal back-up | |
US9995103B2 (en) | Extended reach anti-extrusion ring assembly with anchoring feature | |
US11851962B1 (en) | Resettable element back-up system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: BAKER HUGHES INCORPORATED, TEXAS Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:WRIGHT, MARIE;SIMPSON, ALAN T.;REEL/FRAME:019403/0303 Effective date: 20070607 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |