Circulating Liner Hanger Is Used When a Seal is needed to Help Hold Cement around The Outside of the Liner String. The Seal, Which Can be of Either neoprene Rubber or Lead, Is an Integral Part of The Liner Hanger. The Circulating Feature Directs Cement Around The Seal, Via Circulation Ports, During The Cement Pumping Operation. The Seal is Actuated, Closing The Ports, Independent of The Hanging Operations Thus Assuring a Positive Seal After The Cement Pumping is Completed.
In Another Application, The Circulating Hanger is Useful For Washing Behind The Oil String To Clean Perforations. This Liner Hanger Is Offered In The Standard Single Slip Version As Well As a Double Slip Version For Extra Heavy Liners Or a Version With Hold Down Slips For Lights Liners.
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