Ejector/injector tool for use with cone penetrometer
AssigneeThe University of Chicago
InventorsLorraine LaFreniere, David Surgnier
Life of this patent
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Abstract
An ejector/injector tool for use with cone penetrometers includes a hollow body portion connected at one end with the CPT rod string and connected at the other end with an annular valve body having a central tubular opening. An extendable delivery tube containing a plurality of fluid delivery ports passes through the valve body into the hollow body. A plurality of O-rings in the valve body ensures a liquid tight fit between the valve body and the delivery tube. The interior end of the delivery tube is coupled to a stop ring containing a plurality of fluid paths to permit the entry of fluid into the delivery tube.
Claims17
An ejector/injector tool for use with a CPT rod string comprising:
- an annular valve body having a central tubular opening;
- a hollow body portion connected at a first end with the CPT rod string and at an opposed end with said annular valve body;
- an extendable delivery tube containing a plurality of fluid delivery ports;
- said extendable delivery tube being received through said valve body into said hollow body portion;
- a plurality of O-rings received within said valve body providing a liquid tight fit between said extendable delivery tube and said valve body;
- and
- an interior end of said extendable delivery tube coupled to a stop ring containing a plurality of fluid paths to permit the entry of fluid into said delivery tube.
An ejector/injector tool for use with a CPT rod string comprising:
- an annular valve body having a central tubular opening;
- a hollow body portion connected at a first end with the CPT rod string and at an opposed end with said annular valve body;
- an extendable delivery tube containing a plurality of sets of fluid delivery ports;
- said plurality of sets of fluid delivery ports being spaced apart at a set interval along said extendable delivery tube;
- said extendable delivery tube being received through said valve body into said hollow body portion;
- a plurality of O-rings received within said valve body providing a liquid tight fit between said extendable delivery tube and said valve body;
- and
- an interior end of said extendable delivery tube coupled to a stop ring containing a plurality of fluid paths to permit the entry of fluid into said delivery tube.
Dependencies are inferred from the claim text.