Seamed Slotted Liners
proSEAM Seamed Slotted Liner [PDS-0002][R4]
RGL developed the API certification for slotted liners, allowing us to provide the highest standards in quality, accuracy and delivery. Our innovative manufacturing methods and rigorous quality control standards provide a variety of slot configurations with precise tolerances. Based on core particle size analysis, RGL can custom design slotted liner according to specific reservoir sand distribution, optimizing sand retention and inflow/outflow distribution with various slot designs. Our extensive manufacturing capabilities ensure quick production turnaround time to meet customer demands and scheduling.

proSEAM slotted liner is manufactured to create a “keystone” profile of each slot, reducing each sand infiltration and plugging potential while maintaining superior mechanical strength and integrity. The seamed profile is engineered to incorporate a primary and secondary sand control mechanism. Finite Element Analysis (FEA) ensures the load conditions are met for each application. RGL’s patented thermal deburring technology effectively deburrs the ID of the slotted liner, reducing the risk of induced pressure drop.



  • Heavy Oil, Bitumen, Light Oil, Gas, Coal Bed Methane (CBM), Unconsolidated Sand, Medium Oil, Carbonates, High CO2/H2S Reservoir Environment
  • Cold Primary, Steam-Assisted Gravity Drainage (SAGD), Cyclic Steam Stimulation (CSS), Steam Flood, Geothermal, Water Injection, Polymer Injection
  • Horizontal, Deviated and Vertical Wells

Features & Benefits

  • API Q1 Certified manufacturing processes
  • Patented thermal deburring technology - 90%+ burr internal clean up
  • Excellent robustness with low risk of collapse or deformity
  • Economic seamed slot for various reservoirs
  • Minimal restrictions – no outer screens


  • Sand control engineering with RGL’s proprietary semi-empirical slot width modelling program
  • RGL Sand Control Lab Testing for optimum specifications
  • Multiple thread options
  • FEA for installation and/or thermal loading
  • Thermal or mechanical deburring options
  • A wide range of casing grades available with 13 Chrome, 28 Chrome and RGL ENC coating options available
  • Slotting Patterns: In-line, Staggered, Gang

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