APPARATUS AND METHOD FOR TESTING DYNAMIC SEALABILITY OF FLUID IN THE DOWNHOLE MINOR LEAKS

A method and apparatus for determining the sealability of an oil & gas well sealant fluid, whereby a cylindrical cell assembly capable of withstanding high temperature and high pressure with an electromagnetic heater positioned radially outside the cell body while partly filled with said sealant...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	FENG, Huanzhi, XING, Xijin, HUANG, Xiaohe, GUO, Yingying, XU, Li, WANG, Lang, XU, Lin, HUANG, Yue, XU, Mingbiao
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PHYSICS TESTING
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Beschreibung
Zusammenfassung:	A method and apparatus for determining the sealability of an oil & gas well sealant fluid, whereby a cylindrical cell assembly capable of withstanding high temperature and high pressure with an electromagnetic heater positioned radially outside the cell body while partly filled with said sealant fluid. A minor-leak assembly in connection to said cylindrical cell assembly allows said sealant fluid to continuously flow through a leak sample at a desired differential pressure, and the residual fluid is drained into said cell by a cycling pipeline system. The real-time pressure may be recorded to transmitted to a control system comprised of data acquisition and control units so as to monitor and measure the sealability of fluid in the downhole minor leaks.