| Patent application number | Description | Published |
|---|
| 20080196884 | Expandable Packer with Mounted Exterior Slips and Seal - A packer device includes a central packer mandrel and a radially surrounding expansion mandrel. At least one slip mandrel carrying wickers surrounds the expansion mandrel and is secured in place upon the expansion mandrel by an annular retaining ring. The slip mandrel is secured to the retaining ring by screw connectors that pass through the slip mandrel and into retainer segments. The retaining ring is clamped between the slip mandrel and segments. Additionally, the packer device carries a fluid seal that is made up of a thermoplastic material with elastomeric energizing elements. | 08-21-2008 |
| 20080224413 | Sealing material to metal bonding compositions and methods for bonding a sealing material to a metal surface - A downhole well tool having a component with a metal surface to which a sealing material is adhered is disclosed. The sealing material is bonded to the metal surface through the use of an energetic material disposed between the sealing material and the metal surface. Upon activation or initiation of the energetic material, the sealing material becomes bonded to the metal surface. A plastic layer may be disposed between the sealing material and the metal surface to facilitate bonding sealing material to the metal surface. The energetic material is used to bond the plastic layer to the metal surface and may be used to bond the plastic layer to the sealing material. | 09-18-2008 |
| 20080236844 | Packer setting device for high-hydrostatic applications - A packer setting device provides a buffered setting mechanism as a substantially incompressible fluid is selectively flowed into a compressible fluid chamber to compress a compressible fluid. This fluid transfer causes movement of a setting sleeve so that an associated packer device is set within a wellbore. | 10-02-2008 |
| 20080296844 | DOWNHOLE SEAL APPARATUS AND METHOD - Disclosed herein is a tubular seal apparatus. The seal apparatus includes, a first tubular positioned coaxially with a second tubular having an annular space therebetween, a frustoconical portion at the first tubular having a first end and a second end, such that a radial dimension of the annular space is larger at the first end than at the second end and a tubular seal positioned within the annular space. The seal apparatus further includes an urging member in operable communication with the tubular seal, the urging member is axially movable relative to the frustoconical portion such that movement of the urging member toward the second end of the frustoconical portion urges the tubular seal into sealing engagement with the frustoconical portion and causes diametrical deformation of the tubular seal to thereby sealingly engage with the second tubular. | 12-04-2008 |
| 20080296845 | DOWNHOLE SEAL APPARATUS AND METHOD - Disclosed herein is a tubular seal apparatus. The seal apparatus includes, a first tubular positioned coaxially with a second tubular having an annular space therebetween, a frustoconical portion at the first tubular having a first end and a second end, such that a radial dimension of the annular space is larger at the first end than at the second end and a tubular seal positioned within the annular space. The seal apparatus further includes an urging member in operable communication with the tubular seal, the urging member is axially movable relative to the frustoconical portion such that movement of the urging member toward the second end of the frustoconical portion urges the tubular seal into sealing engagement with the frustoconical portion and causes diametrical deformation of the tubular seal to thereby sealingly engage with the second tubular. | 12-04-2008 |
| 20090071641 | EXPANDABLE METAL-TO-METAL SEAL - A seal includes a seal body configured to form a teardrop shaped seal member upon axial compression of the seal body; a gauge ring in operable communication with the seal body and capable of applying an axial load on the seal body and method. | 03-19-2009 |
| 20090072485 | EXPANDABLE METAL-TO-METAL SEAL - A seal includes a seal body configured to form a teardrop shaped seal member upon axial compression of the seal body; a gauge ring in operable communication with the seal body and capable of applying an axial load on the seal body and method | 03-19-2009 |
| 20090139709 | SELF-BOOSTING WEDGE TUBING-TO-CASING SEAL - A seal and/or anchoring arrangement includes a first perimetrically closed wedge, a second perimetrically closed wedge, an actuator in operable communication with one of the first and second wedges, and a frustoconical surface at an inside dimension of the inside more located surface of the first and second wedges and method. | 06-04-2009 |
| 20100052263 | ELECTROPLATED RESILIENT SEAL - A seal includes a resilient material and a metallic material electroplated to the resilient material and a method for making an extrusion resistant seal including electroplating a resilient seal material. | 03-04-2010 |
| 20100072711 | EXPANDABLE METAL-TO-METAL SEAL - A seal including a seal body having a bridge, a leg extending from the bridge, a gauge ring in operable communication the seal body to cause axial compression thereof, thereby causing the bridge diameter to change, and a seal interface disposed at the seal body. The seal interface including a relatively harder material and a relatively softer material positioned so that the relatively harder material is disposed between the seal body and the relatively softer material. A method for making a seal. A method for sealing an annular geometry. A seal interface. | 03-25-2010 |
| 20100090410 | EXPANDABLE METAL-TO-METAL SEAL - A seal includes a seal body having a bridge; at least one leg extending from the bridge; and at least one concentrated deformation area of the at least one leg, at least that area being at least one of polished and annealed after machining and method. | 04-15-2010 |
| 20100108253 | Sealing material to metal bonding compositions and methods for bonding a sealing material to a metal surface - A downhole well tool having a component with a metal surface to which a sealing material is adhered is disclosed. The sealing material is bonded to the metal surface through the use of an energetic material disposed between the sealing material and the metal surface. Upon activation or initiation of the energetic material, the sealing material becomes bonded to the metal surface. A plastic layer may be disposed between the sealing material and the metal surface to facilitate bonding sealing material to the metal surface. The energetic material is used to bond the plastic layer to the metal surface and may be used to bond the plastic layer to the sealing material. | 05-06-2010 |
| 20100108308 | Sealing material to metal bonding compositions and methods for bonding a sealing material to a metal surface - A downhole well tool having a component with a metal surface to which a sealing material is adhered is disclosed. The sealing material is bonded to the metal surface through the use of an energetic material disposed between the sealing material and the metal surface. Upon activation or initiation of the energetic material, the sealing material becomes bonded to the metal surface. A plastic layer may be disposed between the sealing material and the metal surface to facilitate bonding sealing material to the metal surface. The energetic material is used to bond the plastic layer to the metal surface and may be used to bond the plastic layer to the sealing material. | 05-06-2010 |
| 20100147538 | Packer Setting Device for High Hydrostatic Applications - A packer setting device provides a buffered setting mechanism as a substantially incompressible fluid is selectively flowed into a compressible fluid chamber to compress a compressible fluid. This fluid transfer causes movement of a setting sleeve so that an s associated packer device is set within a wellbore. | 06-17-2010 |
| 20100287780 | Filament Clamp for a Vegetation Trimmer - A vegetation trimmer with a spool and hub assembly has a cutting filament wound around the spool. The free end of the filament extends through an aperture in the hub into the cutting plane. The spool and hub are rotated at a high rate to allow the filament to cut vegetation. The spool includes a plurality of arms which engage with arms on the hub. When the spool is acted upon, the arms on the spool disengage with the arms on the hub to permit relative rotation of the spool to the hub to feed additional filament into the cutting plane. An indexing feature is used to regulate the amount of additional cutting filament that is allowed to be fed into the cutting plane. When the spool and hub are engaged, the cutting filament is forcible clamped between the arms on the spool and the arms on the hub to prevent the centrifugal force generated by the filament in the cutting plane from acting upon the filament wound around the spool at cutting speed so that the filament does not have means to tangle or weld together and break prematurely. Upon disengagement of the spool and hub, the cutting filament is released to permit the additional cutting filament to be fed into the cutting plane. | 11-18-2010 |
| 20100326675 | High-Pressure/High Temperature Packer Seal - A packer device includes an elastomeric packer element which is seated upon an inner sleeve that surrounds a central inner mandrel. The inner sleeve and the inner mandrel are oriented at an angle of departure with respect to the central axis of the tool, thereby providing a ramp assembly which helps to set the packer device. An anchor ring and a retaining ring are located on opposite axial sides of the packer element and contact the surrounding tubular member. | 12-30-2010 |
| 20110036561 | Retractable Downhole Backup Assembly for Circumferential Seal Support - Wedge shaped elements form a ring structure that can increase in diameter for a grip using relative axial motion of adjacent segments. The adjacent seal is further separated from access to the edges of the adjacent segments that move relatively by ring segments attached to the wide dimension of the segments that face the seal. The ring segments move out with the wedge elements to which they are attached so that in the set position of the seal there is an enhanced barrier against the surrounding tubular with the ring segments. The ring segments further block access of the seal under compressive loading to the interface locations between the wedge shaped elements so that their relative axial movement does not trap a portion of the seal and initiate cracks in the seal that can lead to leakage past the seal. | 02-17-2011 |
