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Treatment of subsurface earth formations

  • US 3,098,038 A
  • Filed: 04/29/1959
  • Issued: 07/16/1963
  • Est. Priority Date: 04/29/1959
  • Status: Expired due to Term
First Claim
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1. IN A METHOD FOR FRACTURING A SURFACE EARTH FORMATION WITH A SUSPENSION OF WATER CONTAINING A SAND-PROPPING AGENT IN WHICH THE SAND PROPPING AGENT IS LODGED IN AND MAINTANS THE RESULTING FRACTURE OPEN, THE IMPROVEMENT WHICH COMPRISES RENDERING THE SAND-PROPPING AGENT WET WITH HYDROCARBON BY CONTACTING THE SAND-PROPPING AGENT WITH A COMPOSITION CONSISTING ESSENTIALLY OF A LIQUID HYDROCARBON AND A SURFACE-ACTIVE AGENT HAVING A LOW HLB IN THE RANGE FRON ABOUT 0 TO ABOUT 8 PRIOR TO SUSPENDING IT IN SAID WATER WHEREBY THE TENDENCY OF THE SAND-PROPPING AGENT TO SETTLE IS DECREASED.

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