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Valve body for a traveling barrel pump

  • US 6,755,628 B1
  • Filed: 07/16/2002
  • Issued: 06/29/2004
  • Est. Priority Date: 07/16/2002
  • Status: Expired due to Term
First Claim
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1. In a subsurface traveling barrel, bottom anchor pump for pumping fluid from an oil and gas reservoir, the improvement comprising a traveling valve assembly which includes:

  • a cylindrical valve body having a lower section, said lower section having a central bore therethrough and external threads which interact with a threaded connection on a traveling barrel to removably attach said valve body to said traveling barrel and adjacent internal threads;

    an upper section having a rod connection externally threaded for attachment to a pumping rod, a center section having a fishing neck portion and a cage portion;

    a valve cage accommodated entirely within the internal portion of said cage portion;

    a valve ball positioned within said valve cage;

    a valve seat abutting said valve care; and

    a ball and seat plug threaded into said internal threads of the lower section of said valve body for retaining said valve seat in said valve.

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