$Method for hydraulic fracture dimensions determination$

Method for hydraulic fracture dimensions determination

A numerical model of a polymer-based fracturing fluid displacement from a fracture and a filtrate zone by a formation fluid is provided for calculating a change of a fracturing fluid concentration in a produced fluid and for calculating a change of a polymer concentration in the recovered fracturing...

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Bibliographische Detailangaben
Hauptverfasser:	THIERCELIN MARC JEAN, MAKSIMENKO ANTON ALEKSANDROVICH
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Beschreibung
Zusammenfassung:	A numerical model of a polymer-based fracturing fluid displacement from a fracture and a filtrate zone by a formation fluid is provided for calculating a change of a fracturing fluid concentration in a produced fluid and for calculating a change of a polymer concentration in the recovered fracturing fluid. Throughout the entire fracturing fluid recovery the produced fluid samples are periodically taken from a well mouth. The fracturing fluid concentration and the polymer concentration in the samples are measured. The measurement results are compared with the model calculations and the fracture length and width are determined based on a match of the measurement results and the model calculations.