Fluid producing and testing system for petroleum reservoir formations

Claim 1

IN A RESERVOIR FORMATION TESTING APPARATUS, A COMBINED FLUID PUMPING AND INSTRUMENT SUPPORTING UNIT HAVING A HOUSING ADAPTED TO BE MOVED ALONG A WELL BORE, SAID UNIT HAVING A PASSAGE THERETHROUGH AND INCLUDING A PUMPING MEANS OUTSIDE SAID PASSAGE AND HAVING ITS INTAKE IN COMMUNICATION WITH SAID PASSAGE FOR PRODUCING A CONTROLLED FLOW OF FLUID INTO SAID PASSAGE FOR PRODUCING A CONING SAID UNIT TO A TUBING FOR THE DISCHARGE OF FLUID FROM SAID PUMPING MEANS AND FOR CONDUCTING THE FLUID TO THE SURFACE, MEANS INCLUDING AN INSTRUMENT CAPSULE MOVABLE THROUGH SAID TUBING AND INTO A PREDETERMINED POSITION IN SAID PASSAGE FOR CLOSING SAID PASSAGE ABOVE SAID INTAKE THEREBY RENDERING SAID PUMPING MEANS EFFECTIVE TO DRAW FLUID INTO SAID PASSAGE FROM BELOW SAID CAPSULE AND TO FORCE THE FLUID UPWARDLY THROUGH SAID TUBING, AT LEAST ONE FLUID CONDITION RESPONSIVE DEVICE INCLUDING A CONDITION SENSING ELEMENT CARRIED BY SAID CAPSULE, AND MEANS FOR DIRECTING THE PRODUCED FLUID OVER SAID ELEMENT AND TOWARD SAID INTAKE WHEREBY SAID ELEMENT SENSES THE CONDITION OF SUCH FLUID.