Matches 1 - 14 out of 14

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US20120118585 DUAL METAL SEAL SYSTEM  
A wellhead seal assembly has a primary seal and a secondary seal, each seal forming a metal-to-metal seal between inner and outer wellhead members. A primary metal seal ring has inner and outer...
US20150240586 Well Tools Having Energized Seals  
A sealing system can include an annular seal comprising a resilient material, and a spring which applies a compressive force to the seal as a resilience of the material diminishes, the spring...
US20130147121 Backup System for Packer Sealing Element  
Backup rings are disposed on opposed sides of a sealing element. The backup rings are initially bow shaped in the run in position. Opposed ends of the bow shape are brought together to extend the...
US20100012330 Interventionless Set Packer and Setting Method for Same  
A packer (80) for establishing sealing engagement with a surface disposed in a wellbore includes a packer mandrel (90) and a seal assembly (100, 102, 104) slidably disposed about the packer...
US20120285676 PRESSURE ENERGIZED INTERFERENCE FIT SEAL  
A seal assembly for use between wellbore tubulars employs an inner seal ring partially circumscribed by an outer seal ring. The seal rings are axially slidable with respect to one another and can...
US20120312556 Seal  
An annular sealing element to seal between metal surfaces for use in flanges, joints, packers and the like, located in oil and gas exploration and production equipment. The sealing element has...
US20130000920 Hybrid Seal  
A casing hanger seal assembly is lowered into a pocket between a casing hanger and a wellhead housing while in a run-in position. The seal assembly has a metal-to-metal upper seal ring and an...
US20090066030 ANNULAR SEAL  
An annular seal device includes a mandrel, at least one cone axially moveable on the mandrel, at least one sealing element having a frustoconical outer surface and a frustoconical inner surface,...
US20070056725 Seal assembly  
A seal assembly is provided that includes an elastomeric portion; a primary extrusion barrier which reinforces the elastomeric portion; and a secondary extrusion barrier disposed between the...
US20100326675 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...
US20130140041 SELECTIVELY DISENGAGABLE SEALING SYSTEM  
A seal assembly including a first tubular having a sealing surface and a seal element run with the first tubular and displaced from the surface. The seal element initially has a radial dimension...
US20150139832 SEAL ASSEMBLY FOR A DOWNHOLE DEVICE  
A sealing assembly for a downhole device has first (12) and second sealing (22) components which are urged together to make up the assembly such that a first sealing surface (34) on the first...
US20120038115 Anti-Extrusion Seal for High Temperature Applications  
A sealing system between a tubular and a chassis. In some embodiments, the sealing system includes a sealing member and an outer ring. The sealing member is compressed between the chassis and the...
US20100126735 Use of Swellable Material in an Annular Seal Element to Prevent Leakage in a Subterranean Well  
A method of sealing an annulus formed between a casing string and a surface in a well includes: positioning a seal element in the annulus, a swellable material of the seal element being positioned...
Matches 1 - 14 out of 14