| Patent application number | Description | Published |
|---|
| 20090001721 | Protective sleeve for threaded connections for expandable liner hanger - A tubular sleeve is coupled to and overlaps the threaded connection between a pair of adjacent tubular members. | 01-01-2009 |
| 20090013516 | Methods for Expanding a Pipeline - A method of repairing a damaged portion of an underground pipeline positioned within a subterranean formation below the surface of the earth and having a flowbore. In some embodiments, the method includes inserting one or more pipe sections into the flowbore, the one or more pipe sections coupled and forming a throughpassage, positioning the one or more pipe sections within a damaged portion of the pipeline, disposing an expansion device within the throughpassage, and displacing the expansion device along the throughpassage, wherein the one or more pipe sections are radially expanded into engagement with at least the damaged portion of the pipeline. | 01-15-2009 |
| 20090071661 | APPARATUS AND METHODS FOR RUNNING LINERS IN EXTENDED REACH WELLS - An apparatus for running a liner into a wellbore may comprise an inner string, a device coupled to the inner string that is operable to engage the interior of the liner and facilitates running of the liner into the wellbore, and a control mechanism operable to control fluid communication between the interior of the liner and the wellbore. A method of running a liner into a wellbore may comprise the steps of providing an inner string into the liner, wherein the inner string includes a device operable to engage the interior of the liner, engaging the interior of the liner, and supplying a fluid pressure to move the liner relative to the inner string to advance the liner into the wellbore. | 03-19-2009 |
| 20090205839 | EXPANDABLE CONNECTION - An expandable tubular liner includes a first tube, a second tube, a mechanical coupling for coupling the first and second tubes, and an insert coupled to the mechanical coupling. The insert is capable of forming a metallurgical bond with at least one of the tubes when energy is injected into the insert. | 08-20-2009 |
| 20090205843 | EXPANDABLE PACKER - Methods and apparatus include tubing expanded to create a seal in an annulus surrounding the tubing. The tubing includes a sealing material selected to cause forming of undulations in a diameter of the tubing upon expansion of the tubing. Various factors of the sealing material such as deviations in its thickness influence sealing performance of the tubing with the sealing material. | 08-20-2009 |
| 20090266560 | MONOBORE CONSTRUCTION WITH DUAL EXPANDERS - A method and apparatus of expanding tubing is provided. The method may include expanding a first portion of an expandable tubing into contact with a surrounding tubing using a first expander; expanding a second portion of the expandable tubing that extends beyond the surrounding tubing using a second expander; and further expanding the first portion of the expandable tubing using the second expander, thereby expanding the surrounding tubing. The apparatus may include a fluted expander coupled to a first end of the expandable tubing; and a collapsible cone disposed inside the expandable tubing. | 10-29-2009 |
| 20090272544 | TOOLS AND METHODS FOR HANGING AND/OR EXPANDING LINER STRINGS - Embodiments of the invention generally relate to tools and methods for hanging and/or expanding liner strings. In one embodiment, a method of hanging a liner assembly from a previously installed tubular in a wellbore includes running the liner assembly and a setting tool into the wellbore using a run-in string. The setting tool includes an isolation valve and the liner assembly includes a liner hanger and a liner string. The method further includes sending an instruction signal from the surface to the isolation valve, wherein the isolation valve closes in response to the instruction signal and isolates a setting pressure in the setting tool from the liner string; and increasing fluid pressure in the setting tool, thereby setting the liner hanger. | 11-05-2009 |
| 20100089591 | EXPANDABLE LINER HANGER AND METHOD OF USE - The present invention generally relates to an expandable liner hanger capable of being expanded into a surrounding casing. In one aspect, an expandable tubular system is provided. The system includes an expandable tubular. The system further includes an expansion swage for expanding the expandable tubular, wherein the expansion swage is deformable from a compliant configuration to a smaller substantially non-compliant configuration. Additionally, the system includes a restriction member disposed on an exterior surface of the expandable tubular, wherein expansion of the expandable tubular in the location of the restriction member deforms the expansion swage from the compliant configuration to the smaller substantially non-compliant configuration. In another aspect, a method of expanding a liner hanger using a cone is provided. | 04-15-2010 |
| 20100089592 | COMPLIANT EXPANSION SWAGE - The present invention generally relates to a swage assembly that is movable from a compliant configuration having a first shape to a substantially non-compliant configuration having a second shape. In one aspect, an expansion swage for expanding a wellbore tubular is provided. The expansion swage includes a body and a solid cone disposed on the body. The expansion swage further includes a deformable cone disposed on the body, wherein the solid cone is made from a first material and the deformable cone is made from a second material and wherein the deformable cone is movable relative to the body when the expansion swage is in a compliant configuration. In another aspect, a method of expanding a wellbore tubular is provided. | 04-15-2010 |
| 20100101072 | Apparatus for Radially Expanding and Plastically Deforming a Tubular Member - An apparatus for radially expanding and plastically deforming a tubular member includes a support member with a fluid passage. A mandrel is movably coupled to the support member and includes an expansion cone operable to radially expand and plastically deform the tubular member when moved relative to the tubular member. A pressure chamber is positioned between the support member and the mandrel, and the pressure chamber is fluidicly coupled to the fluid passage. A releasable support is coupled to the support member and operable to selectively couple the support member to the tubular member. | 04-29-2010 |
| 20100243277 | APPARATUS AND METHODS FOR RUNNING LINERS IN EXTENDED REACH WELLS - A method of lining a wellbore includes deploying the liner into the wellbore using a workstring and a setting tool; engaging the setting tool with a casing or liner previously installed in the wellbore; and pressurizing a chamber formed between a seal of the setting tool and a shoe of the liner, thereby driving the liner further into the wellbore, wherein reactionary force is transferred to the previously installed casing or liner by the engaged setting tool. | 09-30-2010 |
| 20100270035 | SYSTEM AND METHOD TO EXPAND TUBULARS BELOW RESTRICTIONS - A method and apparatus for expanding a tubular below a restriction in a wellbore. An expandable tubular may comprise a first end having a first wall thickness, a second end having a second wall thickness, and a middle section disposed between the first and second ends and having a third wall thickness that is less than the first and second wall thicknesses. The first and second ends may include one or more grooves disposed along a length of the ends. A method for expanding a tubular below a restriction in a wellbore may comprise running the tubular past the restriction, wherein the tubular comprises a first end and a second end, each end having a wall thickness greater than a wall thickness of a middle section disposed between the ends. The method may include expanding the tubular, wherein the first and second ends of the expanded tubular have outer diameters greater than the outer diameter of the middle section. | 10-28-2010 |
| 20100282477 | SLEEVE FOR EXPANDABLE TUBULAR THREADED CONNECTION - A tubular sleeve overlaps the threaded connection between a pair of adjacent tubular members that are to receive an expansion device for radial expansion and plastic deformation of the threaded tubular connection. | 11-11-2010 |
| 20110005775 | APPARATUS AND METHODS TO PROTECT CONNECTIONS - The present invention generally relates to a method and apparatus for protecting tubular connections. In one aspect, an expandable tubular connection for use in a wellbore is provided. The tubular connection includes a tubular pin member. The tubular connection also includes a tubular box member having an end portion, wherein the tubular pin member is matable with the tubular box member to form the tubular connection. Additionally, the tubular connection includes a sleeve member disposed on the tubular pin member, wherein the sleeve member is configured to substantially protect the end portion of the tubular box member as the tubular connection is lowered into the wellbore. In yet a further aspect, a method for utilizing a tubular connection in a wellbore is provided. | 01-13-2011 |
| 20110155379 | ROTATING CONTINUOUS FLOW SUB - A method for drilling a wellbore includes drilling the wellbore by advancing the tubular string longitudinally into the wellbore; stopping drilling by holding the tubular string longitudinally stationary; adding a tubular joint or stand of joints to the tubular string while injecting drilling fluid into a side port of the tubular string, rotating the tubular string, and holding the tubular string longitudinally stationary; and resuming drilling of the wellbore after adding the joint or stand. | 06-30-2011 |
