Matches 1 - 50 out of 100 1 2 >


Match Document Document Title
US20110174480 Pressure Relieving Transition Joint  
A method of completing a wellbore having a branch wellbore extending outwardly from a window in a parent wellbore is provided. The method comprises positioning a tubular string in the window,...
US20110148044 HIGH EXPANSION METALLIC SEAL  
A downhole seal includes a seal body; a prominent pip having extending from the seal body; and one or more reduced prominence pips adjacent the prominent pip.
US20110133410 HYDRODYNAMIC BORE SEAL  
The disclosed finger seals are designed to be operational under rotational velocity or a stationary condition. The contact surface of the finger seals is inclined in an axial direction. This...
US20110214920 Universal drilling and completion system  
Methods and apparatus are described to drill and complete wellbores. Such wellbores include extended reach horizontal wellbores, for example in shales, deep subsea extended reach wellbores, and...
US20120139184 Dual Seal Tubing Hanger  
A dual seal system and related method seal a tubing hanger. In an embodiment, a dual seal tubing hanger includes a hanger body. The dual seal tubing hanger also includes an upper body seal and an...
US20110194956 MECHANISM FOR SEALING PFA SEAL BAGS  
A seal section for use in a downhole submersible pumping system includes a housing, a bag support tube extending through the housing, a shaft positioned inside the bag support tube and a bag plate...
US20100320002 ROCK BIT WITH A THERMAL INSULATING SEAL RING POSITIONED IN THE SEAL GLAND  
A rock bit includes a shaft and a cone mounted for rotation about the shaft at a journal bearing. A seal gland for the rock bit is defined at least by the shaft and the cone. A compressible seal...
US20110127727 SEALING ARRANGEMENT AND SEALING METHOD  
The invention relates to a sealing arrangement (100) for sealing a leak (21) in a casing (2) or for sealing off a production zone (1) where the casing having a circumference and perforations (3)...
US20110148043 HIGH EXPANSION METALLIC SEAL  
A downhole seal includes a seal body; two or more pips extending in a direction from the seal body associated with an intended sealing surface, the two or more pips defining nonparallel facing...
US20130068461 SEALING BODY FOR WELL PERFORATION OPERATIONS  
A sealing body is provided for use in well operations such as oil/gas well perforation operations. The sealing body comprises a shell defining a closed cavity; the shell is comprised of a metal...
US20100254839 Top seal assembly  
A downhole sucker rod pump including a brush disposed between the downhole pump barrel and the well tubing to provide an effective seal which is not damaged during the insertion and/or withdrawal...
US20100326737 FLEXIBLE EXTRUSION RESISTANT RING FOR SEAL ASSEMBLY  
An extrusion resistant ring that is radially expandable and contactable to accommodate the relative movement of two joined bodies relative to each other. The extrusion resistant ring in...
US20120133098 ANTI-EXTRUSION BACKUP SYSTEM, PACKING ELEMENT SYSTEM HAVING BACKUP SYSTEM, AND METHOD  
An antiextrusion backup system includes an inner expandable backup ring having a first set of slots. An outer expandable backup ring having a second set of slots wherein the outer expandable back...
US20090211770 Elongated Sealing Member for Downhole Tool  
A downhole apparatus is described comprising a body and a sealing arrangement located on the body. The body has a longitudinal axis and the sealing arrangement comprises at least one elongated...
US20090194945 ENERGIZED COMPOSITE METAL TO METAL SEAL  
An energized composite metal to metal seal. A sealing device includes a metal seal with a metal sealing surface facing radially outward, and another metal sealing surface facing radially inward;...
US20090322030 Metal-to-Metal Seal for Smooth Bore  
A seal assembly includes a tubular member having a longitudinal axis and a tubular member seal profile. A metal seal ring having a proximal base and a distal end has a seal ring seal profile...
US20110169224 METHOD AND SYSTEM FOR SETTING A METAL SEAL  
A system and method is provided for setting a metal-to-metal seal (e.g., in an annular space between wellhead components) using a temporary elastomer seal. For example, the annular space may be...
US20150204444 JOINTS COMPRISING CARBON NANOFORESTS  
Wellbore tools may use carbon nanoforests to reduce the access of abrasive particles to compressible sealing elements of joints of the wellbore tool. In some instances, a wellbore tool may include...
US20140306406 SEAL SLEEVE AND ASSEMBLY INCLUDING SUCH A SEAL SLEEVE  
Seal sleeve and assembly including such a seal sleeve. A seal sleeve (10) having a seal sleeve wall (14) comprising a swellable polymer material having elastomeric properties so that the seal...
US20090114452 ROCK BIT WITH A THERMAL INSULATING SEAL RING POSITIONED IN THE SEAL GLAND  
A rock bit includes a shaft and a cone mounted for rotation about the shaft at a journal bearing. A seal gland for the rock bit is defined at least by the shaft and the cone. A compressible seal...
US20110156357 DYNAMIC SEAL MEMBER  
A dynamic seal member includes a ternary fluoroelastomer (FKM) and carbon nanofibers. The carbon nanofibers are carbon nanofibers having an average diameter of 10 to 20 nm, or carbon nanofibers...
US20100006303 SHAPE MEMORY MATERIAL SEALS  
The invention relates to a shape memory sleeve to create an annular tightness. More precisely, the invention relates to a ring to provide tightness, made from shape memory alloy material and...
US20100019456 COATINGS FOR DOWNHOLE SEAL MATERIALS AND METHOD OF MAKING THE SAME  
Disclosed herein is a seal element comprising a seal coating. The seal element comprises a substrate, and a seal coating disposed on a surface of the substrate, wherein the seal coating comprises...
US20130129543 STACKED LABYRINTH CHAMBERS FOR USE WITH AN ELECTRICAL SUBMERSIBLE PUMP  
A labyrinth type seal section for use with an electrical submersible pump assembly having a guide tube with an axial bore to port wellbore fluid to a lower end of the seal section. Lubricating...
US20120318532 Temperature Resistant Downhole Elastomeric Device  
An elastomeric-based device configured for use in high temperature downhole environments exceeding about 400° F. The device includes a carbon nanotube mesh configured to dissipate heat relative...
US20090146381 TURBULENT FLOW TOOL  
An apparatus (10) for mounting on a tubular (12) for location in a bore comprises a seal comprising a swelling sealing material adapted to permit passage of fluid cement between the tubular and...
US20110095485 METAL-TO-METAL SEAL WITH RETENTION DEVICE  
A downhole tool includes a first portion having a first metal protrusion configured to seal against a first metal surface and a second portion having a second metal protrusion configured to seal...
US20140175750 ANNULAR SEAL  
A seal assembly capable of low temperature service is disclosed. It features upper and lower metallic backup rings that are specially shaped to act as a spring to keep the sidewalls of such rings...
US20130038021 ANNULAR SEAL  
A seal assembly capable of low temperature service is disclosed. It features upper and lower metallic backup rings that are specially shaped to act as a spring to keep the sidewalls of such rings...
US20100038089 WELLHEAD ASSEMBLY HAVING SEAL ASSEMBLY WITH AXIAL RESTRAINT  
A wellhead system comprising a seal with a restraining member adapted to cooperate with a housing to restrict axial movement of the seal. The seal is adapted to form a seal between the housing,...
US20110140365 ROTARY SEAL WITH SUPPORTED INLET  
A hydrodynamically lubricated sealing element for applications where the pressure of a contained fluid can be significantly greater than the pressure of the seal lubricant. The sealing element...
US20140262351 Split Foldback Rings with Anti-Hooping Band  
A device and method prevent damage to an anti-extrusion device on a tool, such as a plug or a packer, prior to and during setting of the tool. Typically, the upper or outer edges of the...
US20120175846 THREADED DEVICE WITH METAL TO METAL SEAL AND METHOD  
A device including a metal to metal seal. The device includes a first section having a first threaded portion. A second section having a second threaded portion threadably engageable with the...
US20100258311 Casing Patch and Seal  
A casing patch assembly may include a patch seal having two ring-type seals with different performance characteristics. A first ring seals against a casing patch and a casing stub. A second ring...
US20150152707 Compliant Seal for Irregular Casing  
A setting assembly for a packer seal features a series of peripherally mounted rod pistons that abut the seal to be set by advancing the seal relative to a tapered surface. When parts of the seal...
US20130147120 Continuous Backup Assembly for High Pressure Seals  
An extrusion barrier assembly for high pressure and temperature applications for a sealing element incorporates a backing member between the sealing element and a multi-row petal type backup ring...
US20110101613 IMPROVED SEAL  
A seal arrangement includes a plurality of seal elements arranged in series. At least one seal element has a predetermined rated pressure and includes a relief arrangement permitting relief of...
US20120024632 DOWNHOLE SEAL AND METHOD OF LUBRICATING A DOWNHOLE TOOL  
A downhole seal includes a body configured to dynamically seal to a portion of a downhole tool and a lubricant microencapsulated in a plurality of shells to form a plurality of micro particles...
US20120090857 Swellable Member, Swell Controlling Arrangement and Method of Controlling Swelling of a Swellable Member  
A swell controlling arrangement includes a swellable member configured to swell upon exposure to a swell inducing fluid, and an acidic material that is configured to form an acidic environment....
US20110037230 Expandable packer system  
The expandable casing packing element systems for cased and open-hole wellbores include an expandable casing member having a sealing device comprising a sealing element disposed between at least...
US20150115536 KEY SEAL AND VALVE  
A key seal preferably includes a first circular seal portion, a second rounded seal portion and a third rounded seal portion. The first circular seal portion preferably has generally circular...
US20100187763 Sealing device  
The present invention relates to a sealing device comprising a sealing (1) which is threaded onto a sleeve (7), where the sleeve (7) is located in a base tube (11) comprising valve ports (12), and...
US20110121516 METHOD FOR SEALING OFF A WATER ZONE IN A PRODUCTION WELL DOWNHOLE AND A SEALING ARRANGEMENT  
The invention relates to a sealing method for sealing off a leak in a casing (2) or for sealing of a production zone (1) where the casing (2) having a circumference and perforations (3) is...
US20090211767 Expandable Member for Downhole Tool  
A method of forming a downhole apparatus and an apparatus formed by the method is described. The method comprising the steps of providing a body having a longitudinal axis and forming an expanding...
US20150218903 MULTI-LAYERED TEMPERATURE RESPONSIVE PRESSURE ISOLATION DEVICE  
A sealing element comprises two distinct materials of different melting points. An outer shell material has a higher melting point than an inner core material. The core material can be a...
US20100038177 Wireline grease injection apparatus having removable grease injection tubes  
Replaceable grease injection tubes permit removal and replacement of such tubes without requiring wireline and associated tools to be removed from a well, or wireline tools to be removed from...
US20110079960 Multi-Piece Pressure Operated Rings for a Downhole Pump Plunger  
A pressure responsive seal ring assembly includes a first and second arcuate-shaped ring segment configured for non-interlocking assembly onto a plunger body. A tab extends beyond a first end of...
US20110221138 HIGH TEMPERATURE/HIGH PRESSURE SEAL  
A sealing member including a body having a recess; one or more backups extending from the body and tapering over a length thereof; and a sealing element disposed in the recess, the element...
US20120111632 FORMATION TESTER PAD  
A formation tester seal pad includes a support member and a deformable seal pad element including an outer sealing surface having a plurality of raised portions and adjacent spaces. In some...
US20120205872 EXTRUSION-RESISTANT SEALS FOR EXPANDABLE TUBULAR ASSEMBLY  
The present invention generally relates to extrusion-resistant seals for an expandable tubular assembly. In one aspect, a seal assembly for creating a seal between a first tubular and a second...

Matches 1 - 50 out of 100 1 2 >