Formation fluid sampling method
First Claim
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1. A METHOD OF OBTAINING SMAPLES OF CONNATE FLUID CONTENT OF AN EARTH FORMATION ABOUT A BOREHOLE TRAVERSING THE SAME COMPRISING THE STEPS OF:
- ESTABLISHING A FLOW OF FUILDS WITHIN AND FROM AND FORMATION;
MEASURING THE ELECTRICAL RESISTIVITY OF SAID FLOW;
PURGING THE FORMATION OF FILTRATE FLUIDS WITHING THE BOUNDARY OF SAID FLOW UNTIL OF RESISTIVITY MEASUREMENT BECOMES SUBSTANTIALLY CONSTANT;
DIVERTING SAID FLOW INTO A COLLECTION MEANS FOR OBTAINING A SAMPLE QUANTITY OF FLUID;
MEASURING SAID FLOW IN SAID COLLECTION MEANS;
AND, RECORDING THE VARIATION OF SAID FLOW MEASUREMENT WITH RESPECT TO TIME.
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1 Claim
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1. A METHOD OF OBTAINING SMAPLES OF CONNATE FLUID CONTENT OF AN EARTH FORMATION ABOUT A BOREHOLE TRAVERSING THE SAME COMPRISING THE STEPS OF:
- ESTABLISHING A FLOW OF FUILDS WITHIN AND FROM AND FORMATION;
MEASURING THE ELECTRICAL RESISTIVITY OF SAID FLOW;
PURGING THE FORMATION OF FILTRATE FLUIDS WITHING THE BOUNDARY OF SAID FLOW UNTIL OF RESISTIVITY MEASUREMENT BECOMES SUBSTANTIALLY CONSTANT;
DIVERTING SAID FLOW INTO A COLLECTION MEANS FOR OBTAINING A SAMPLE QUANTITY OF FLUID;
MEASURING SAID FLOW IN SAID COLLECTION MEANS;
AND, RECORDING THE VARIATION OF SAID FLOW MEASUREMENT WITH RESPECT TO TIME.
- ESTABLISHING A FLOW OF FUILDS WITHIN AND FROM AND FORMATION;
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Current AssigneeGeorge E. Briggs Jr
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Original AssigneeGeorge E. Briggs Jr
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InventorsBriggs, George E. Jr.
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Application NumberUS04/192,234Time in Patent Office1,496 DaysField of SearchUS Class Current73/152.24CPC Class CodesE21B 49/10 using side-wall fluid sampl...G01N 1/14 Suction devices, e.g. pumps...
