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Methods and apparatus for determining hydraulic characteristics of formations traversed by a borehole

  • US 2,747,401 A
  • Filed: 05/13/1952
  • Issued: 05/29/1956
  • Est. Priority Date: 05/13/1952
  • Status: Expired due to Term
First Claim
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1. IN A METHOD FOR ASCERTAINING A HYDRAULIC CHARACTERISTIC OF GEOLOGICAL FORMATION TRAVERSED BY A BORE HOLE, THE STEPS OF FORMING A CONFINED FLOW CHANNEL BETWEEN THE BORE HOLE AND A POINT WITHIN THE FORMATION, PASSING FLUID THROUGH THE CHANNEL FOR CREATING A PRESSURE GRADIENT SUBSTANTIALLY SURROUNDING SAID POINT WITHIN THE FORMATION, AND DETERMINING THE DIFFERENCE IN PRESSURE BETWEEN SAID POINT AND A REFERENCE POING, THEREBY TO

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