Abstract: An elastomeric lip seal joint for sealing the inner liner and grout layers when joining two sections of multiwall pipe having an outer steel casing and an inner liner. The ring-shaped lip seal joint comprises a gasket with insulating material completely covering its outer surface. The insulating material is capable of shielding the gasket from the heat produced when the sections of outer steel casing are welded together. The use of the lip seal joint simplifies the process of joining sections of multiwall pipe. Each side of the lip seal joint is inserted into one of the annular voids at each end of the pipe, thereby sealing the inner liner and grout. A single circumferential weld then joins the outer steel casing. The gasket remains intact during the welding process due to the presence of the insulating material.

Abstract: The present invention describes a method of isolating a section of rough bore flexible pipe (1), said method including the steps of deploying a sealing device (10) into the pipe to the required position and forcing a sealing solution through the carcass (2) of the flexible pipe to seal the space between the sealing device and the internal pressure sheath (5) of the flexible pipe and also a sealing device (10) for isolating a section of a rough bore flexible pipe, said apparatus comprising means for anchoring the sealing device in the pipe and means for sealing the device in the pipe, said sealing means comprising means for forcing a sealing solution through the carcass of the pipe.

Abstract: A sootblower isolation wall box provided for sealing the wall box opening of a large scale boiler to provide sootblower lance tube access to the boiler. The wall box assembly includes a clamping seal assembly having radial sealing segments which are individually actuated. Applying fluid pressure to actuating cylinders causes the seal segments to be clamped against the outer circumference of the sootblower lance tube. During cleaning cycles, the segments are actuated to provide a radial clearance with the lance tube. Preferably, the clamping seal assembly is used in connection with another seal assembly which is relied upon to provide sealing during the cleaning steps. In a preferred embodiment, the additional seal assembly is in the form of a labyrinth-type seal assembly.

Abstract: A seal element (120, 126) for sealing a conduit is described. The seal element comprises a frusto conical portion (28) and a first lip (30) extending from an external edge of the frusto conical portion, the lip being adapted to be pivoted into engagement with a conduit surface. In a described embodiment, two seal elements are provided on a plug (10) for sealing a conduit (16), the seal elements facing in opposite directions to seal from above and below.

Abstract: The invention concerns a method of providing a seal within a pipe or aperture in a vessel and preventing fluid flow therethrough, the method comprising: (a) providing a non-porous, expandable, flexible container within said pipe or aperture; (b) introducing an expandable polymeric material into said container so as to expand said container, thereby forcing said container to fill the cross-sectional area of said pipe or aperture and displacing any fluid in said pipe or aperture in order to provide an engineered blockage within said pipe or aperture; (c) applying a bonding resin between the external surfaces of said container and the internal surfaces of the walls of said pipe or aperture; and (d) curing said expandable polymeric material and bonding resin so as to bond the expanded container to the pipe or aperture and create a seal between the outer surfaces of said container and the internal surfaces of the walls of said pipe or aperture.

Abstract: A seal system for forming a fluid seal from an inner tubular member outwardly against an outer tubular member. The seal system includes a packer element that is radially expandable from a reduced diameter, unset condition to an enlarged diameter, set condition; and a radially expandable seal element surrounding the packer element and creating a fluid sealing engagement outwardly against the outer tubular member.

Abstract: An apparatus for sealing tubing to a device, the apparatus including: a first seal configured to seal the tubing to the device, the first seal having a device side in contact with the device and an interior side opposite the device side; a test sleeve configured to surround the first seal and to seal to the device using a second seal; a third seal disposed at the test sleeve and configured to seal the tubing to the test sleeve wherein the test sleeve, the second seal, and the third seal form a pressure boundary about the first seal; a test port disposed at the test sleeve, the test port being in communication with seals, wherein the test port is configured to connect to a seal test device to test the integrity of the seals in communication with the test port; and a plug configured to seal the test port.

Abstract: A fracturing operation is done in open hole. The annular space is spanned by telescoping members that are located behind isolation valves. A given bank of telescoping members can be uncovered and the telescoping members extended to span the annular space and engage the formation in a sealing manner. Pressurized fracturing fluid can be pumped through the telescoped passages and the portion of the desired formation fractured. In a proper formation, cementing is not needed to maintain wellbore integrity. In formations that need annular space isolation, the string in a preferred embodiment can have an external material that grows to seal the annular space in lieu of a traditional cementing operation.

Abstract: A bore seal for connecting and sealing oil and gas tubular members is disclosed which has a metal core manufactured from a high yield strength ferrous material and a protective overlay of corrosion and abrasion resistant stainless steel and/or nickel based alloy. The protective overlay is applied to the entire outer surface of the bore seal by a metal thermal spray process, such as plasma thermal spraying. In a preferred embodiment of the invention, the bore seal has a fishtail profile which facilitates the use of resilient seals to provide resistance to external pressures in addition to the traditional metal-to-metal seal between the bore seal and the tubular members. In an alternative embodiment, a pressure relief valve is disposed within the bore seal to verify the integrity of the metal-to-metal seal with respect to internal bore pressure.

Abstract: A seal is inserted into a space to be sealed. First and second end portions of the seal are engaged with first and second end surfaces of the space. The seal is compressed between the first and second end surfaces. The compression strains the seal. The strain includes the rotation of a cross-section of the seal so as to bias the seal into engagement with a surface forming one of an inboard surface and an outboard surface of the space.

Abstract: In the case of an element for sealing or reinforcing a cavity of a structural element, in particular of a vehicle, the element comprises a base element a foamable part, and an opening for receiving a penetrating element. A wing is arranged on the base element, the opening is open at the side, and an actuator which moves the wing when the penetrating element is introduced is arranged on the wing.

Abstract: Disclosed herein is a downhole sealing device. The device includes, a swellable member, and a passageway having a perimetrically continuous wall. The swellable member is configured to cause sealing between a downhole structure and a plurality of tubulars when in a swelled condition, the plurality of tubulars are routed through a plurality of voids extending longitudinally through the swellable member, each of the plurality of voids has perimetrically continuous walls surrounding each of the plurality of tubulars.

Abstract: A coupling device (1) including a first part (2) and a second part (3) is provided. The first and second parts are adapted to engage on another. The coupling device also includes an indicator seal (6) positioned on the first part. The indicator seal is visible when the coupling device is not fully engaged. Full engagement of the first and second part obscures the visibility of the indicator seal.

Abstract: A system, in certain embodiments has, a fluid seal having a seal body, including a seal interface having one or more engagement portions, a first elastomer portion disposed along the seal interface, and a second elastomer portion disposed along the seal interface, wherein the first and second elastomers have material properties that are different from one another.

Abstract: Article based on an elastomeric composition (C) comprising a crosslinked blend (B) of at least: (1) one substantially saturated synthetic elastomer; and (2) a copolymer containing repeating units derived from at least one conjugated diene and at least one ?,?-unsaturated nitrile, the article having been subjected to a surface halogenation treatment.

Abstract: An apparatus and method for testing the integrity of a weld securing a flange to the end of a pipe comprises a testing assembly and a reinforcement assembly. The testing assembly comprises a first sealing means positioned within the pipe and a second sealing means secured against the flange face to form a sealed region within the pipe with the region overlapping the weld. The reinforcement assembly comprises a circumferential clamp secured to the outer wall of the pipe and an anchor plate positioned opposite the flange. The first sealing means is connected to the anchor plate to prevent relative movement there-between. The anchor plate is connected to the clamp to prevent relative movement there-between. The weld test procedure comprises installing the apparatus, filling and pressurizing the sealed space and monitoring the pressure created therein.

Abstract: A two-piece flange adapter including two identical flange parts. Each flange part has two ends, with each end having a planar mating surface disposed at each end of the channel disposed on an inner diameter surface of the flange part. A projection extends from one planar mating surface and is formed to continue the channel for a predetermined distance past the planar mating surface. The other end of the flange and channel define a groove having a depth that accepts the projection of a mating flange part to form a complete channel. A gasket having a cross-sectional area with an internal cavity is compressively disposed in a pocket defined by the channel and the mating pipes. The cross-sectional area of the gasket occupies less than 87% of the pocket and can also occupy approximately 82-84% of the pocket.

Abstract: A threaded joint has a sealing ring radially positioned between a pin and a box and axially positioned on a portion of the pin on an opposite side of the threads of the pin from the nose of the pin. The sealing ring has two protruding annular lips positioned at a skewed angle to the longitudinal axis, two or more radial annular ribs on an external surface, an internal surface, and an at least partly embedded reinforcement ring. When the joint is made up, the sealing ring is in sealing contact with an annular groove of the box by the annular ribs and in sealing contact with the pin by the internal surface. The internal surface of the sealing ring can have a uniform diameter or have radially protruding annular ribs.

Abstract: A push plug designed to interact with and seal an open end of a length of conduit containing a cable. The plug is comprised of a cap, a neck, and a body. The body contains a number of saw-toothed annular ridges. The plug is manufactured from an elastomeric material which allows the plug to be inserted into a conduit opening of a diameter smaller than the diameter of the saw toothed ridges which creates a frictional seal which resists removal of the plug. The plug body further contains passages running longitudinally through the center of the plug. These passages allow cable run through the conduit to be drawn through the plug and inserted through a thin, flexible membrane covering the plug cap.

Abstract: System for sealing in a conduit a space between an inner wall of the conduit and at least one pipe or cable extending through the conduit, wherein the system comprises: at least one rubber element for providing in the conduit a support-structure which is clampable between the inner wall and the at least one pipe or cable; and a sealant for application against the support-structure and for sealing off at least one end of the conduit between the inner wall and the at least one pipe or cable.

Abstract: An application for an arced sealing tape has a bottom, an inner wall and an outer wall. The surfaces of the inner wall and the outer wall that are closest to a center point of the arc have an adhesive. Likewise, a bottom surface of the bottom also has an adhesive.

Abstract: A liquid and gas tight bi-directional metal frustro-conical seal is energized by compression between planar, annular faces causing its inner and outer diameters to sealingly engage opposing cylindrical surfaces of inner and outer metal pipes. The contact forces between the concentric sealing surfaces are high in order to locally deform the softer metal and eliminate leakage paths. The sealing ring is backed-up by a similar ring that is reduced in cross-sectional width, such that when compressed the ring does not engage the inner and outer cylindrical surfaces. The second ring is nested with and directly below the sealing ring, and equally axially compressed when the joint is assembled. When the pipe joints are disassembled, the second ring serves to restore the seal ring to its original, deeper frustro-conical shape, allowing the pipe joints to be easily separated for reuse of the piping in a different location.

Abstract: The invention provides a sealing gland capable of use in high-pressure environments and methods for the use thereof. One aspect of the invention provides a sealing gland including: a first sealing surface having a first groove and a second groove, a first O-ring received in the first groove, a second O-ring received in the second groove, and a pressure port located on the first sealing surface between the first groove and the second groove. The pressure port is configured to apply a fluid pressure intermediate to a first pressure applied to the first O-ring and a second pressure applied to the second O-ring.

Abstract: A seal ring 10 for sealing between first and second members 12, 14 each having an outer groove surface 16, 126 and inner groove surface 18, 127 includes a metal seal body 26, 42, 52, 60, 70, 80, 92, 110, 122, 140 for engagement with the outer groove surface on the first and second members, and a metal flexible flange 30, 32, 44, 46, 54, 56, 62, 64, 76, 78, 88, 90, 94, 96, 112, 114, 128, 144, 146 with a cantilevered end of a flexible flange providing substantially line contact sealing engagement with the inner groove surface on respective first and second member. The metal flexible flange is configured for being fluid pressure energized, and is deformed beyond its elastic limit when securing members secure the first member to the second member.

Abstract: A seal ring 10 for sealing between first and second members 12, 14 each having an outer groove surface 16, 126 and inner groove surface 18, 127 includes a metal seal body 26, 42, 52, 60, 70, 80, 92, 110, 122, 140 for engagement with the outer groove surface on the first and second members, and a metal flexible flange 30, 32, 44, 46, 54, 56, 62, 64, 76, 78, 88, 90, 94, 96, 112, 114, 128, 144, 146 with a cantilevered end of a flexible flange providing substantially line contact sealing engagement with the inner groove surface on respective first and second member. The metal flexible flange is configured for being fluid pressure energized, and is deformed beyond its elastic limit when securing members secure the first member to the second member.

Abstract: 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, wherein the positioning comprises deflecting the tubular string from the parent wellbore into the branch wellbore. The method also comprises providing a particulate barrier outside and against the tubular string proximate the window, the particulate barrier substantially excluding transport of particulate matter from the branch wellbore into the parent wellbore outside of the tubular string through the window. The method also comprises the tubular string passing fluid into the tubular string proximate the window from a formation proximate to the window while substantially excluding transport of particulate matter from the formation proximate to the window into the tubular string.

Abstract: The present invention features a flange to flange dynamic seal and sealing system, particularly suited for use within high temperature, high pressure environments, such as a delayed coking process. The dynamic flange seal and sealing system comprises two primary elements or seals, each of which are capable of independently forming a flange seal between two flanged components or combining to create a flange seal. Specifically, these primary seals are an iconel bellows seal and a bi-material gasket, each of which surround a flange opening along a sealing surface. The flange seal created by the dynamic flange seal and sealing system is capable of being maintained in light of, or rather the sealing system adapts to, any structural or environmental changes within the connected flanges. As such, the flange seal may be a dynamic flange seal or a static flange seal or both.

Abstract: An sealing gasket is shown for use in forming joints of plastic pipe. The gasket is formed as a composite elastomeric body with a leading region formed of a thermoplastic elastomer material and with a trailing region formed of a synthetic plastic material. The gasket body has an outer circumferential region provided with a series of recessed pocket which give it a scallop-like appearance. The relatively harder plastic region of the gasket body deforms the associated pipe socket end during manufacture of the pipe end, whereby the gasket is integrally locked within an internal pipe groove in the pipe socket end upon completion of the pipe belling operation.

Abstract: According to an embodiment, a method for installing a vapor seal assembly to pass at least one continuous wire through an aperture defined by a bulkhead includes providing a split shell having a threaded, hollow cylindrical extension, providing a split annular gasket, assembling the split shell and the split gasket around the wire, placing the gasket onto the cylindrical extension, passing the cylindrical extension through the aperture in the bulkhead, providing an insert that defines at least one elongated channel for receiving the wire, pressing the wire into the channel, sliding the insert into the cylindrical extension of the shell, assembling a split retainer and a split nut around the wire, engaging the split nut into the retainer, and threading the split nut onto the cylindrical extension.

Abstract: A method of preparing an amine-cured silicone composition is provided that is resistant to a hydrocarbon fluid, such as a transmission fluid, and other harsh environments when cured. The silicone composition includes a dihydroxy-terminated silicone fluid, a filler material and an amine-cured cross-linking agent, the composition containing substantially no plasticizer, and wherein the cured composition can be utilized as a sealant that is resistant to exposure to transmission fluid and high temperatures for extended periods of time. The silicone composition provides effective sealant properties that withstand the foregoing conditions present in the transmission fluids. Methods of using the cured silicone sealants made from the present compositions are also provided.

Abstract: A seal includes a housing with an exterior surface. The housing forms a cavity extending from the exterior surface into the housing and defines at least one slanted interior surface. The at least one slanted interior surface extends from the exterior surface of the housing and is in a substantially non-perpendicular and angled relation to the exterior surface of the housing. The seal also includes at least one electrical lead that extends through the housing and has a portion exposed across the cavity therein. The at least one electrical lead extends from the housing and is configured to be in electrical contact with at least one electrical component encased within the electronic control housing. The seal also includes an adhesive material that substantially fills the cavity and surrounds the exposed portion of the at least one electrical lead within the cavity.

Abstract: The present invention is intended to enable a efficient water-sealing treatment for an on-vehicle electric cable 10, i.e., an electric cable to be mounted on a vehicle, the cable having a conductor and a sheath disposed on the outside of the conductor, regardless of a length of the electric cable. The present invention provides a method comprising the step of establishing a state where a water-sealing agent 18 with fluidity covers a gap between the conductor and the sheath in an end of the on-vehicle electric cable 10, for example, through an operation of dropping the water-sealing agent 18 onto the end of the on-vehicle electric cable 10, and the step of pressurizing an ambient air around the water-sealing agent 18 to cause the water-sealing agent 18 to penetrate into the inside of the sheath of the on-vehicle electric cable 10.

Abstract: A high pressure fluid system includes a sealing mechanism, which provides a fluid seal for a cylindrical bore via pressing contact between a first convex, curved surface at an end of the cylindrical bore and a second convex, curved surface at a containment element that is coupled relative to the end of the cylindrical bore.

Abstract: The invention relates to a peripheral sealing gland to form a seat between an elongate member and a substantially flat surface. The gland has an at least in part tapered skirt or frustoconical shaped skirt through which the elongate member is to pass and defining at the upper periphery of the skirt and deformable upper seal to deform about and seal to a periphery of said elongate member. A flange depends from the lower periphery of the skirt including on its outward from the skirt presented surface, at least one endless lip to seal when brought into contact, against said substantially flat surface. A compression ring is able to bear on said flange, to be fastened to said substantially flat surface to capture the flange therebetween.

Abstract: A sealant is provided that possesses many or all of the characteristics of conventional thread sealants, and allows application with improved smoothness and uniformity of application. Sealants in accordance with the invention utilize engineered fibers such as melamines like Basofill and polyaramids such as Kevlar in its composition. Engineered fibers offer consistency and uniformity that other previously used sealants lack. Engineered fibers can improve the gap filling characteristics of the sealant, as well as the resistance of the sealant to chemicals and high pressures. Engineered fibers tend to have very high strength and low density.

Abstract: A tubular joint including a conical male thread and a conical female thread. An annular housing is disposed close to a free end of the female element and is used to house a deformable sealing ring. The sealing ring is in sealed contact with the peripheral surface of the housing and with diminishing threads of the male thread and bears axially against a shoulder that faces the free end, thereby limiting the housing.

Abstract: A flat material (10) for forming leadthroughs and including a first layer 911) formed of strip-shaped plates (14) adjoining each other along their narrow sides and separated from each other by a slot (15), a second layer (13) formed of an elastic material, and an intermediate layer (12) located between the first layer (11) and the second layer (13).

Abstract: A reusable metal seal for a wellhead provides a metal-to-metal seal and includes upper and lower tapered sealing flanks which may be deflected by tapered wall surfaces on the wellhead engaging the taper sealing flanks, and the seal may have a plurality of annular relief grooves.

Abstract: A sealing member and a preemptive system and a preemptive method of preventing or stopping a primary joint leak between a pipe and a pipe fitting by securing a sealing ring to the pipe and the pipe fitting to form a secondary joint that inhibits or prevent leakage between the primary joint between the pipe and the pipe fitting without knowing if the primary joint is faulty.

Abstract: A sanitary, live loaded, pass-through fitting apparatus which allows for variable depth insertion of a pass-through object is disclosed. The apparatus is useful for sanitary introduction of a thermowell probe, dip tube, or other objects into a process stream or vessel. The pass-through object is sealed to the fitting at the point of fluid insertion with the seal material under a live load.

Abstract: A fitting for a tube or pipe capable of functioning a high pressures having a first fitting component adapted to receive the conduit end; a conduit gripping device such as a ferrule or ferrules and a second fitting component that can be joined to the first fitting component to cause the conduit gripping device to grip the conduit and seal when assembled. In one aspect of the invention, the first fitting component is constructed from a material that is softer than the material used to construct the second fitting component. An additional aspect of the invention include a retaining portion on the second fitting component that constrains the tube gripping device against pressure. The retaining portion can also be configured to retain the tube gripping device to the second fitting component prior to installation and in a finger-tight condition.

Abstract: Methods and Apparatuses for Generating a Seal Between a Conduit and a Reservoir Well. According to one embodiment, an apparatus is provided for generating a seal between a conduit and a reservoir well. The apparatus can include a mount including a first and second end. The mount can also include a first aperture extending between the first and second ends. The apparatus can also include a tube including a first end engaging the first end of the mount, and operable to hold a conduit having an end such that the conduit extends through the first aperture of the mount and the end of the conduit communicates with a reservoir well. Further, the apparatus can include a nut operable to engage the mount and tube and seal the conduit to the first aperture of the mount such that air cannot communicate from the reservoir well through the first aperture of the mount.

Abstract: The present invention features a flange to flange dynamic seal and sealing system, particularly suited for use within high temperature, high pressure environments, such as a delayed coking process. The dynamic flange seal and sealing system comprises two primary elements or seals, each of which are capable of independently forming a flange seal between two flanged components or combining to create a flange seal. The flange seal created by the dynamic flange seal and sealing system is capable of being maintained in light of, or rather the sealing system adapts to, any structural or environmental changes within the connected flanges. As such, the flange seal may be a dynamic flange seal or a static flange seal or both.

Abstract: Systems and methods for making connections between pipe sections. In one embodiment, a pipe connection consists of a pair of flanges having conically tapered sealing surfaces and a tapered seal ring. A first one of the flanges has a male nose extending forward from the face of the flange, while a second one of the flanges has a female pocket which is recessed into the flange. The seal ring has conically tapered surfaces complementary to those of the flanges so that, when the connection is assembled, a seal is created between the seal ring and each of the flanges. The nose of the male flange extends forward so that, when the connection is assembled, the nose makes direct contact with the pocket of the second flange, forming a substantially gap-free conduit through the flanges.

Abstract: A sealing assembly for providing an environmental seal about an elongate member includes a housing defining a passage to receive an elongate member, a flowable sealant disposed in the passage, a compression mechanism and a trigger mechanism. The compression mechanism includes a biasing member. The biasing member is configured to apply a compression load against the sealant and the compression mechanism is configured to force the sealant to flow about the elongate member to provide an environmental seal about the elongate member. The trigger mechanism is configured to selectively actuate the biasing member to apply the compression load to the sealant.

Abstract: A gasketed collar for reducing EMI emission from a communication module is presented. The gasketed collar includes a conductive metal collar designed to fit at least partway around the communication module, and a gasket. The gasket is electrically conductive and compressible. The gasket fits at least partway around the communication module and overlaps the conductive metal collar. A communication module including such gasketed collar and a method of making such communication module are also presented.

Abstract: An sealing gasket is shown for use in forming joints of plastic pipe. The gasket has a bulbous region which is bisected by a planar region which forms a pair of oppositely extending wing-like flaps. These features of the gasket allow it to be more reliably seated on the working mandrel used to bell a female, thermoplastic pipe end. The wing-like flap portions of the gasket form wiper surfaces for a subsequently installed male, spigot pipe end as the joint is formed.

Abstract: A compliant sealing structure suitable for sealing a micro-fluid ejection head, methods of sealing a micro-fluid ejection head, ejection heads sealed by the method and structure. The sealing structure includes an elastomeric pad suitable for sealing nozzles of the micro-fluid ejection head. A removable shrink wrap film is applied to the ejection bead and is configured for covering at least a portion of the elastomeric pad and for fixedly holding the elastomeric pad adjacent the nozzles.

Abstract: A method for sealing a housing includes providing a base plate of the housing with at least one opening; providing an electrical connection that extends through the base plate from an inner side to an outer side of the base plate; and applying a sealing compound into the opening from an outer side of the base plate in order to seal an interface between the base plate and the electrical connection.

Abstract: A seal for a flared end fitting, wherein the fitting includes a male portion having a tapered end, a female portion having a coordinated shape to the male portion, and a flow passage axially disposed in both female and male portions, the seal comprising: a frustoconical portion having an inner end and an outer end, wherein the inner end is circumferentially attached to one end of a cylindrical portion having two ends and coaxially disposed about the cylindrical portion, the cylindrical portion forms a flow passage through the seal, the frustoconical and cylindrical portions form a cavity that fits on the tapered end of the male portion of the fitting, and the cylindrical portion of the seal fits into the flow passage of the male portion of the fitting. A method of sealing a flared end fitting.