Organic compounds -- part of the class 532-570 series – Organic compounds – Nitrogen attached directly or indirectly to the purine ring...
Patent
1997-02-21
1998-06-09
O'Sullivan, Peter
Organic compounds -- part of the class 532-570 series
Organic compounds
Nitrogen attached directly or indirectly to the purine ring...
544391, 548560, 548561, 548562, 548563, 564152, 564155, 564163, 564164, 564168, 564169, 564171, 564207, 564288, 562 41, 562 43, 562 44, 562 46, 25218311, 558 48, C07D24104, C07D207325, C07C23309, C09K 300
Patent
active
057636109
ABSTRACT:
A composition comprising a nitrogen-containing olefinic compound and a process for using the nitrogen-containing olefinic compound to produce a water-soluble polymer which has applications in a subterranean formation are provided. The nitrogen-containing olefinic compound can be made from an amine and an alkylating agent. The polymer produced can be used in drilling fluids, workover fluids, completion fluids, permeability corrections, water or gas coning prevention, fluid loss prevention, matrix acidizing, fracture acidizing, and combinations of any two or more thereof.
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Ahmed Iqbal
Eriksen Odd Ivar
Moradi-Araghi Ahmad
O'Sullivan Peter
Phillips Petroleum Company
Shay Lucas K.
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