DEVICE AND METHOD FOR CLEANING A WELLBORE EQUIPMENT

The invention relates to an electrical discharge generating device (10) for cleaning an equipment (7) arranged in a wellbore (5) of a subterranean formation (1) in order to improve the recovery of formation fluids and/or gases, said electrical discharge generating device (10) comprising a discharge...

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Bibliographische Detailangaben
Hauptverfasser:	HARRIES, Robert, PETTEN, Steve, FENSKY, Charles
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CLEANING CLEANING IN GENERAL 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 PERFORMING OPERATIONS PREVENTION OF FOULING IN GENERAL TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention relates to an electrical discharge generating device (10) for cleaning an equipment (7) arranged in a wellbore (5) of a subterranean formation (1) in order to improve the recovery of formation fluids and/or gases, said electrical discharge generating device (10) comprising a discharge unit (140) for generating at least one electrical discharge that propagates at least one shock wave (200) for cleaning from said equipment (7), wherein said electrical discharge generating device (10) further comprises a retaining module (150-1, 150-2, 150-3) configured for retaining a volume of liquid in order to immerse the discharge unit (140).