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    Liner Wiper Plug – Aventus Oil Tools
    Liner wiper plug sealing technology in oil & gas involves specialized rubber/composite plugs (like LWP, PDPC) that act as barriers between cement slurry and drilling mud during liner cementing, ensuring cement quality by preventing contamination and wiping the liner's inner wall clean. These plugs, often paired with a drill pipe dart, seal into a landing collar, preventing backflow and allowing pressure testing, with designs featuring non-rotating features and materials like NBR/FKM for durability and easy drill-out, creating robust mechanical/hydraulic seals. 
    Key Components & Function 
    • Liner Wiper Plug (LWP): A rubber plug attached to the running tool, designed to receive the drill pipe plug and wipe the liner.
    • Drill Pipe Wiper Plug (DPWP/PDPC): Launched from the surface, it lands and latches into the LWP.
    • Landing Collar: The seat at the bottom of the liner where the plug assembly lands and locks.
    • Sealing Mechanism: The DPWP latches into the LWP, forming a combined unit that wipes the liner ID and then seals against the landing collar, preventing cement contamination and backflow. 
    Sealing Technology & Features 
    • Materials: Made from elastomers (Nitrile, HNBR, FKM) and drillable composites (aluminum) for compatibility and easy removal.
    • Non-Rotating Features: Locking teeth or profiles that engage the landing collar to stop spinning during drill-out, saving rig time.
    • Hollow Design (LWP): Allows fluid and cement to pass through until the DPWP latches in.
    • Ported Design (LWP): Vents fluid into the annulus as it's displaced.
    • Pressure Rating: High pressure ratings when latched, allowing for pressure testing. 
    Benefits of Advanced Sealing 
    • Improved Cement Quality: Prevents mud from mixing with cement, ensuring integrity at the liner shoe.
    • Efficient Cleaning: Wipes cement residue from the liner's inner wall.
    • Operational Flexibility: Single-plug systems (like Weatherford's WLWP) simplify operations compared to dual-plug systems.
    • Quick Drill-Out: Fast-drilling materials and anti-rotation features reduce rig time. 
    • Liner Wiper Plug - Frontier Oil Tools
      OVERVIEW. The Liner Plug (LWP) is a rubber wiping device used in liner hanger applications. Attached to the end of the liner hange...
      Frontier Oil Tools
    • WLWP Liner Wiper Plug | Weatherford
      Weatherford's WLWP liner wiper plug is used to displace cement through the ID of a liner and is compatible with Weatherford's land...
      Weatherford International
    • Liner Wiper Plug - JST-Seals
      Liner Wiper Plugs separates drilling fluid from cement during displacement. It can reverse in the pipe without breaking the lips. ...
      JST-Seals
    • Wiper Plug - JST-Seals
      Liner wiper plug is a tool for oil casing cementing operation. During cementing, cement slurry and mud are separated to prevent th...
      JST-Seals
    • What Is PDPC And LWPC? - JST-Seals
      They are available in a variety of size and combination options which provide a more reliable cleaning and displacement of your wo...
      JST-Seals
    • Subsurface release plug systems - Halliburton
      SSR® Plug Set For almost half a century, the SSR® subsurface release cementing plug system has enabled cementing operations with a...
      Halliburton
    • Liner Wiper Plug - Peak Completions
      Products - Well Construction - Accessories. The Peak Completions' Liner Wiper Plug is shear-pinned to the bottom of the running to...
      Peak Completions
    • Cementing Plugs | Copyright 2025 Innovex International, Inc. All ...
      The Warpig™ Cementing Plugs are your bread and butter cementing plugs for standard cementing operations with additional features t...
      Innovex International
    • Optimizing Well Completion: Liner Wiper Plug
      Saigao's liner wiper plug are manufactured using high-grade polymers and composite materials in the company's advanced machining c...
      shandong saigao group corporation
    • Liner Wiper Plug - Frontier Oil Tools
      OVERVIEW. The Liner Plug (LWP) is a rubber wiping device used in liner hanger applications. Attached to the end of the liner hange...
      Frontier Oil Tools
    • WLWP Liner Wiper Plug | Weatherford
      Weatherford's WLWP liner wiper plug is used to displace cement through the ID of a liner and is compatible with Weatherford's land...
      Weatherford International
    • Liner Wiper Plug - JST-Seals
      Liner Wiper Plugs separates drilling fluid from cement during displacement. It can reverse in the pipe without breaking the lips. ...
      JST-Seals
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    Liner Wiper Plug


    JST-Seals
    https://www.jst-seals.com › blog › liner-wiper-plug_bk
    JST-Seals
    https://www.jst-seals.com › blog › liner-wiper-plug_bk
    Liner Wiper Plugs separates drilling fluid from cement during displacement. It can reverse in the pipe without breaking the lips. Products can be produced in a ...Read more

    WLWP Liner Wiper Plug


    Weatherford International
    https://www.weatherford.com › drilling › wlwp-l...
    Weatherford International
    https://www.weatherford.com › drilling › wlwp-l...
    PDF
    When the compatible WDSL drillpipe dart is released behind the cement and reaches the WLWP, the dart latches and seals into the WLWP. Differential pressure.Read more
    Missing: sealing ‎| Show results with: sealing

    Liner Wiper Plug


    Peak Completions
    https://www.peakcompletions.com › product › accessories
    Peak Completions
    https://www.peakcompletions.com › product › accessories
    The Peak Completions' Liner Wiper Plug is shear-pinned to the bottom of the running tool, and provides a seal and seal bore for the Wiper Dart.Read more

    Liner Wiper Plug


    Frontier Oil Tools
    https://frontieroiltools.com › uploads › 2020/04
    Frontier Oil Tools
    https://frontieroiltools.com › uploads › 2020/04
    PDF
    The plug assembly provides a mean of septation between the cement and the displacement fluid (drilling mud), preventing cross contamination during liner ...Read more
    3 pages

    Liner Wiper Plug, Pump Down Plug, Drill Pipe Darts ...


    Revata Engineering
    http://www.revataengineering.com › wiper-plug-elements
    Revata Engineering
    http://www.revataengineering.com › wiper-plug-elements
    The wiper plug system is to act as a mechanical barrier to avoid the contamination of the cement with mud inside Drill Pipe and Liner. The wiper plug in front ...Read more
    Missing: sealing ‎| Show results with: sealing

    Optimizing Well Completion: Liner Wiper Plug


    shandong saigao group corporation
    https://www.saigaogroup.com › NEWS › Blog
    shandong saigao group corporation
    https://www.saigaogroup.com › NEWS › Blog
    The plug design incorporates sophisticated sealing mechanisms that create a positive barrier between drilling fluids and cement slurry. This prevents ...Read more

    LINER WIPER PLUG – diggerdownholetools


    diggerdownholetools.com
    https://www.diggerdownholetools.com › portfolio › liner...
    diggerdownholetools.com
    https://www.diggerdownholetools.com › portfolio › liner...
    These plugs feature an O-ring seal and a lock ring on the nose. The ring locks the plug firmly in place and the O-ring holds pressure from either direction.Read more

    E.R. Liner Latch Wiper Plug


    Renown Down Hole Solutions |
    https://www.renownds.com › product › e-r-liner-latch-...
    Renown Down Hole Solutions |
    https://www.renownds.com › product › e-r-liner-latch-...
    Renown's 'ER' latch-in liner wiper plug design uses a high quality rubber elastomer providing redundant wiping for your casing walls.Read more

    LW-Liner Wiper Plugs - Custom Oilfield Molded Shapes - Parker


    Parker NA
    https://ph.parker.com › product › lw-liner-wiper-plugs
    Parker NA
    https://ph.parker.com › product › lw-liner-wiper-plugs
    Parker offers a wide range of molded elastomer (rubber) products for exploration, drilling, and well-service applications.
    13-day delivery
    Missing: sealing ‎| Show results with: sealing

    Wiper Plug


    JST-Seals
    https://www.jst-seals.com › blog › wiper-plug_bk
    JST-Seals
    https://www.jst-seals.com › blog › wiper-plug_bk
    Liner Wiper Plugs separates drilling fluid from cement during displacement. It can reverse in the pipe without breaking the lips. Products can be produced in a ...Read more

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