Sand consolidation method

Claim 1

A METHOD FOR CONSOLIDATING THE SANDS OF AN INCOMPETENT SUBSURFACE FORMATION CONTAINING OIL AND CONNATE LIQUIDS COMPRISING PRETREATING THE FORMATION PRIOR TO INTRODUCTION INTO THE FORMATION OF LIQUIDS CAPABLE OF FORMING A RESIN BY INTRODUCING INTO THE FORMATION A LIQUID MIXTURE OF A SURFACE-ACTIVE AGENT AND A POLAR ORGANIC COMPOUND MISCIBLE WITH BOTH THE RESIN-FORMING LIQUIDS AND THE CONNATE LIQUIDS IN THE FORMATION SO AS TO REMOVE THE CONNATE LIQUIDS AND WET THE SANDS WITH THE POLAR ORGANIC COMPOUND; AND THEN INTRODUCING INTO SAID FORMATION SAID RESIN-FORMING LIQUIDS WHICH SET IN THE FORMATION AND BIND THE SAND PARTICLES OF THE FORMATION TOGETHER, SAID RESINFORMING LIQUIDS COMPRISING A LOW MOLECULAR WEIGHT HYDROXY ARYL COMPOUND, A WATER SOLUBLE ALDEHYDE AND A CATALYST.

Claim 2

A METHOD FOR CONSOLIDATING THE SANDS OF AN INCOMPETENT SUBSURFACE FORMATION CONTAINING OIL AND CONNATE LIQUIDS COMPRISING PRETREATING THE FORMATION PRIOR TO INTRODUCTION INTO THE FORMATION OF LIQUIDS CAPABLE OF FORMING A RESIN BY INTRODUCING INTO THE FORMATION A LIQUID MIXTURE OF A SURFACE-ACTIVE AGENT AND A POLAR ORGANIC COMPOUND MISCIBLE WITH BOTH THE RESIN-FORMING LIQUIDS AND THE CONNATE LIQUIDS IN THE FORMATION SO AS TO REMOVE THE CONNATE LIQUIDS AND WET THE SANDS WITH THE POLAR ORGANIC COMPOUND; AND THEN INTRODUCING INTO SAID FORMATION SAID RESIN-FORMING LIQUIDS WHICH SET IN THE FORMATION AND BIND THE SAND PARTICLES OF THE FORMATION TOGETHER, SAID RESINFORMING LIQUIDS COMPRISING A LOW MOLECULAR WEIGHT HYDROXY ARYL COMPOUND, A WATER SOLUBLE ALDEHYDE AND A CATALYST.