GlassBore® API


GlassBore® Gold API is a Glass-Reinforced Epoxy (GRE) lined tubular product produced by installing a GRE liner into new or used API customer-provided tubular goods to protect against corrosive fluids and gas.


“Composite Lining Systems, LP is pleased to announce that it has entered into a strategic relationship with Duoline Technologies, Inc whereby CLS has become a key supplier of Duoline’s glass-reinforced epoxy lining system within the continental United States.  CLS brings broad experience that combines with a high-quality team located in Midland, Texas. We believe the formation of this alliance will serve to provide additional options for customers who wish to use the Duoline lining system.  Duoline and CLS both believe that this new relationship will significantly enhance the availability of quality products to the market.”

GlassBore® Premium


GlassBore® Premium is a GRE lined tubular product created by installing a liner into premium threaded tubing or casing. Installation, product sales, field services and technical support are provided by Composite Lining Systems at our Midland, Texas facility.

Composite Lining Systems was formed in 2005 as a response to customer demand for lower costs and better service. CLS is headquartered in Midland, Texas and is staffed by industry professionals with many years of combined experience solving corrosion problems. We currently provide the oil and gas industry with affordable alternatives to help fight the costs of corrosion.

Composite Lining Systems installs Glass-Reinforced Epoxy (GRE) liners into new or used tubing and casing to guard against damage in corrosive injection and production service. Over many years GRE has earned a solid reputation as a sturdy defender against corrosive injected and produced fluids and gas. The ability of GRE to reduce the risk of damage caused by wireline and stimulation operations gives the user a clear advantage over less durable plastic coatings and linings. 

When cost-effectiveness and workover prevention are central planning strategies, consider our GRE lined tubular products for your corrosive water and C02 injection wells, acid gas and salt water disposal wells and corrosive production wells. GRE-lined tubular goods provided by Composite Lining Systems give operators in corrosive service long-term protection that matches or exceeds plans of depletion for secondary and tertiary recovery projects.

Composite Lining Systems currently supports thirty million feet of GlassBore® and GlassLine® tubing and casing installed into corrosive service.

Please contact CLS and let us help you protect your valuable tubular goods from the high costs of corrosion.

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