The polished bore receptacle (PBR) and seal assembly functions as an expansion joint when extreme move-ment is expected in the production tubing As an added application, it can be used as a separation tool for removal of the production tubing DescRiPTion anD oPeRaTion The PBR and seal assembly is designed for two specific applications
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Polished Bore Receptacle (PBR) is a device that is honed with the internal diameter of the sealing surface It is mainly used in tieback casing and for landing a production tubing seal assembly It is installed in a liner string to handle the liner-while-drilling service operations It serves as the stem to isolate the hanger of the installed cementing system Also, it isolates the liner ID
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The polished seal bore receptacle can be retrieved in two trips The seal assembly is retrieved when the tubing string is recovered The PBR seal bore is retrieved with a PBR retrieving tool The Polished Seal Bore Receptacle is available in varying lengths of up to 25 ft in stroke An adjustable shear mechanism locks the outer housing and
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Since the seal nipple does not have a locating shoulder, it can pass through the seal bore in the upper packer and seal in the lower packer It can be spaced out such that as it seals in the lower packer, an anchor seal or locator seal assembly can be landed in the upper packer Polished Bore Receptacle (PBR): This is frequently used for wells
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The Pinnacle Polished Seal Bore Receptacle (PBR) is designed for applications where a large ID must be maintained through the completion while accommodating extreme tubing movement The PBR is attached to a Seal Bore Packer with the use of a Latch Seal Assembly An adjustable shear mechanism locks the outer housing and Locator Seal Assembly
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Upper Polished Bore Recepticle is a polished honed bore, made specifically to receive the PBR-U seal assembly above the packer The PBR-U seal assembly is held in place inside the honed bore during run in by a shear ring or shear screwsThe seal assembly consists of three debris barriers and four seal …
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The Polished Bore Assembly (PBA) consists of a no-go seal assembly pinned to a polished bore receptacle (PBR), and once sheared, provides tubing elongation and contraction capabilities The PBA may be placed anywhere in the tubing string to provide a floating seal and maintain equivalent tubing ID It is most commonly used above a production packer when running a single-trip upper completion
Get QuoteUpper Polished Bore Recepticle is a polished honed bore, made specifically to receive the PBR-U seal assembly above the packer The PBR-U seal assembly is held in place inside the honed bore during run in by a shear ring or shear screwsThe seal assembly consists of three debris barriers and four seal …
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COMPLETION OIL TOOLS Polished Bore Receptacle has a honed polish seal bore which is used to tying in to liner with COMPLETION OIL TOOLS Tie back seal mandrel or by tie back packer The CT-PBR also provides the extension which is later used for setting liner top packer It is also used for protecting the running tool assembly during running in of hook-up in the hole By using
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the bottom of the screen assembly, just above a short telltale-circulating screen This helps insure treatment fluids are pumped all the way to the end or bottom of the production screens to promote complete screen coverage with gravel If a polished bore receptacle (PBR) is selected, appropriately sized QUANTUM seal units must be used When the O-ring seal sub is used, an appropriately sized
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For example the polished bore receptacle and locator seal assembly both have the advantage of theoretically being easily retrievable, although operators have reported seal sticking after extended periods of installation However, since it is the moving seal system which has to be run into the seal bore during installation, the possibility of seal damage must be considered
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The Polished Seal Bore Receptacle is available in varying lengths of up to 25 ft in stroke An adjustable shear mechanism locks the outer housing and seal mandrel together during run-in Once the seal assembly is released, it is free to move in the bore, compensating for tubing movement The PBR assembly can be pinned in the fully stroked, closed or midway position to accommodate pre-spacing
Get QuotePolished Seal Bore Receptacle modular design allows tool to be easily converted from tension release to hydraulic release The tension release and the hydraulic release incorporate a polished seal bore receptacle as well as a PBR seal assembly including 2 sets of working seal units and a debris barrier above and below the working seals Both versions when combined with a hydraulic or
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A polished bore, typical in a packer to accept the seal assembly on the end of tubing Abbreviated PBR
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A polished bore designed to accept a seal assembly, such as may be used in a permanent production packer
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25/05/2017 · A liner string has a hanger/packer near its upper end for connection and sealing to a surrounding tubular A polished bore assembly is located above the packer and is pushed down after the liner hanger is set to slide over a metal to metal seal on the packer body
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Polished Seal Bore Receptacle as well as a PBR seal assembly including 2 sets of working seal units and a debris barrier above and below the working seals Both versions when combined with a hydraulic or hydraulic/ hydrostatic set can be run in and set in one trip The polished seal bore receptacle can be retrieved in two trips The seal assembly is retrieved when the tubing string is
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Polished Bore Receptacle (PBR) A device with a honed internal diameter (ID) sealing surface for landing a production tubing seal assembly or tie back casing Source: API STD 65 – Part 2, Isolating Potential Flow Zones During Well Construction, Upstream Segment, Second Edition, December 2010
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Polished Bore Receptacle & Seal Assembly - Schlumberger The polished bore receptacle (PBR) and seal assembly functions as an expansion joint when extreme move- ment is …
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CT-91401 COMPLETION OIL TOOLS Polished Bore Receptacle has a honed polish seal bore which is used to tying in to liner with COMPLETION OIL TOOLS Tie back seal mandrel or by tie back packer The CT-PBR also provides the extension which is later used for setting liner top packer […]
Get QuoteTie Back Seal Assembly (TBSA ) TBSA is the working seal between formation pressure and the production tubing The TBSA is used in single- or multiple-zone installations to provide a surface indication that the seal assembly is correctly positioned in the polished bore Production tubes, tailpipe and other accessories can be added below
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bore polished Prior art date 2007 , and an appropriate seal stacks assembly is stung into the polished bore receptacle (PBR) and attached to the polished bore More Info ; What is Polished Bore Receptacle (PBR)? - Definition , Polished Bore Receptacle PBR Definition - Polished Bore Receptacle (PBR) is a device that is honed with the internal diameter of the sealing surface It More …
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SwageSet high-performance polished bore receptacle (PBR) is made up to the top of the packer to form a pressure vessel The PBR provides a fully open, honed bore for re-engaging into the liner Key components of the IntegraLine liner system A hold-down slip permanently anchors the SwageSet packer into the host casing to prevent the packer from becoming unseated IntegraLine R high-performance
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Often, a polished bore receptacle is latched into an upper end of the packer, and an appropriate seal stacks assembly is stung into the polished bore receptacle (PBR) and attached to the polished bore receptacle (PBR) via shear screws to prevent leakage between the interior of the PBR and the production tubing Conventionally, downhole deployment of the PBR and the tubing with associated seal
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Setting tool (can be used repeatedly and consists of sand cap, short drill pipe, release nut, polished nipple, etc) Seal assembly (consisting of sealing collar, packoff bushing, etc) Polished bore receptacle Plugs (pumpdown plug and liner wiper plug) Landing collar assembly Working Principle Hydraulic Liner Hanger is hydraulicset
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27/11/2008 · Often, a polished bore receptacle is latched into an upper end of the packer, and an appropriate seal stacks assembly is stung into the polished bore receptacle (PBR) and attached to the polished bore receptacle (PBR) via shear screws to prevent leakage between the interior of the PBR and the production tubing Conventionally, downhole deployment of the PBR and the tubing with associated seal
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The polished bore receptacle is used in dual zone gravel packing to isolate the lower zone while gravel packing the upper zone Seal Bore Extension Seal bore extensions are run below packers if the lower bore in those packers will be used for sealing
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Polished Bore Receptacle (PBR) A device with a honed internal diameter (ID) sealing surface for landing a production tubing seal assembly or tie back casing
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bore polished Prior art date 2007 , and an appropriate seal stacks assembly is stung into the polished bore receptacle (PBR) and attached to the polished bore More Info POLISHED SEAL BORE RECEPTACLE - parveenoilfield
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Polished bore receptacles, or PBRs, are a common item in completion assemblies and liner hanger assemblies The casing design and tubular movement programs help determine the length of sealing assembly needed for casing tie back seals and tubing seals
Get QuotePolished Seal Bore Receptacle as well as a PBR seal assembly including 2 sets of working seal units and a debris barrier above and below the working seals Both versions when combined with a hydraulic or hydraulic/ hydrostatic set can be run in and set in one trip The polished seal bore receptacle can be retrieved in two trips The seal assembly is retrieved when the tubing string is
Get QuoteSetting tool (can be used repeatedly and consists of sand cap, short drill pipe, release nut, polished nipple, etc) Seal assembly (consisting of sealing collar, packoff bushing, etc) Polished bore receptacle Plugs (pumpdown plug and liner wiper plug) Landing collar assembly Working Principle Hydraulic Liner Hanger is hydraulicset
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A liner string has a hanger/packer near its upper end for connection and sealing to a surrounding tubular A polished bore assembly is located above the packer and is pushed down after the liner hanger is set to slide over a metal to metal seal on the packer body A
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In deep wells with slim hole usually a packer assembly (or) Polished Bore Receptacle (PBR) is used for Testing and completion In comparison the PBR seal assembly not only provides annulus-tubing isolation without the use of additional equipment but also offers room for tubing movement which is predominant in deep wells due to wide temperature variations The simplicity of operation (sting-in
Get QuoteSwageSet high-performance polished bore receptacle (PBR) is made up to the top of the packer to form a pressure vessel The PBR provides a fully open, honed bore for re-engaging into the liner Key components of the IntegraLine liner system A hold-down slip permanently anchors the SwageSet packer into the host casing to prevent the packer from becoming unseated IntegraLine R high-performance
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The method for creating a polished bore receptacle at the upper end of a string of casing of claim 7, wherein the lower end of the string of production tubing has a sealing element around an outer surface for facilitating the fluid seal between the expanded inner surface of the upper end of the string of casing, and the lower end of the string of production tubing
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