Abstract 1. A COMPOSITION USEFUL AS AN EMULSIFIER AND AS A FILTRATE LOSS REDUCER IN A DRILLING FLUID OF THE WATER-IN-PIL TYPE, SAID COMPOSITION CONSISTING ESSENTIALLY OF THE REACTION PRODUCT FORMED BY REACTING, AT TEMPERATURES OF UP TO ABOUT 100*C., (1) FROM 10 TO 50 PARTS BY WEIGHT, BASED ON THE WEIGHT OF THE COMPOSITION, OF A POLYHYDROXY PHENOL COMPRISING A MONONUCLEAR PHENOL SUBSTITUTED ONLY WITH AT LEAST TWO HYDROXY GROUPS OR A MONONUCLEAR PHENOL SUBSTITUTED ONLY WITH AT LEAST TWO HYDROXY GROUPS AND ALKYL GROUPS; AND (2) CORRESPONDINGLY, FROM 90 TO 50 PARTS BY WEIGHT, BASED ON THE WEIGHT OF THE COMPOSITION, OF AN IMIDAZOLINE OF THE FORMULA: 1-(R''-CH2-CH2-),2-R-IMIDAZOLINE WHEREIN R IS AN ALKYL OR ALKENYL GROUP CONTAINING FROM 12 TO 30 CARBON ATOMS OR A SATURATED OR UNSATURATED HYDROCARBON RESIDUE OF A CYCLIC ACID CONTAINING FROM 5 TO 20 CARBON ATOMS AND WHEREIN R'' IS AN AMINO OR HYDROXYL GROUP.
A COMPOSITION USEFUL AS AN EMULSIFIER AND AS A FILTRATE LOSS REDUCER IN A DRILLING FLUID OF THE WATER-IN-PIL TYPE, SAID COMPOSITION CONSISTING ESSENTIALLY OF THE REACTION PRODUCT FORMED BY REACTING, AT TEMPERATURES OF UP TO ABOUT 100*C., (1) FROM 10 TO 50 PARTS BY WEIGHT, BASED ON THE WEIGHT OF THE COMPOSITION, OF A POLYHYDROXY PHENOL COMPRISING A MONONUCLEAR PHENOL SUBSTITUTED ONLY WITH AT LEAST TWO HYDROXY GROUPS OR A MONONUCLEAR PHENOL SUBSTITUTED ONLY WITH AT LEAST TWO HYDROXY GROUPS AND ALKYL GROUPS; AND (2) CORRESPONDINGLY, FROM 90 TO 50 PARTS BY WEIGHT, BASED ON THE WEIGHT OF THE COMPOSITION, OF AN IMIDAZOLINE OF THE FORMULA:
Claim 2
Dependent Claim
107 words
A COMPOSITION USEFUL AS AN EMULSIFIER AND AS A FILTRATE LOSS REDUCER IN A DRILLING FLUID OF THE WATER-IN-PIL TYPE, SAID COMPOSITION CONSISTING ESSENTIALLY OF THE REACTION PRODUCT FORMED BY REACTING, AT TEMPERATURES OF UP TO ABOUT 100*C., (1) FROM 10 TO 50 PARTS BY WEIGHT, BASED ON THE WEIGHT OF THE COMPOSITION, OF A POLYHYDROXY PHENOL COMPRISING A MONONUCLEAR PHENOL SUBSTITUTED ONLY WITH AT LEAST TWO HYDROXY GROUPS OR A MONONUCLEAR PHENOL SUBSTITUTED ONLY WITH AT LEAST TWO HYDROXY GROUPS AND ALKYL GROUPS; AND (2) CORRESPONDINGLY, FROM 90 TO 50 PARTS BY WEIGHT, BASED ON THE WEIGHT OF THE COMPOSITION, OF AN IMIDAZOLINE OF THE FORMULA: