IMPROVED DOWNHOLE SCRAPING AND/OR BRUSHING TOOL AND RELATED METHODS

AN IMPROVED AND ENHANCED SPRING LOADED DOWNHOLE TOOL FOR CLEANING WELL CASING BORES COMPRISING A MANDREL (10), AT LEAST A FIRST INSERT (2) HAVING A PASSAGEWAY THERETHROUGH, AND AT LEAST A SECOND INSERT (4), WHEREIN BOTH THE FIRST INSERT AND THE SECOND INSERT ARE SELECTED FROM AT LEAST ONE OF A SPRIN...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	ROY, TODD J, KNOBLOCH, BENTON T
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
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	AN IMPROVED AND ENHANCED SPRING LOADED DOWNHOLE TOOL FOR CLEANING WELL CASING BORES COMPRISING A MANDREL (10), AT LEAST A FIRST INSERT (2) HAVING A PASSAGEWAY THERETHROUGH, AND AT LEAST A SECOND INSERT (4), WHEREIN BOTH THE FIRST INSERT AND THE SECOND INSERT ARE SELECTED FROM AT LEAST ONE OF A SPRING LOADED SCRAPER INSERT AND AT LEAST ONE WIRE BRUSH INSERT, AND FURTHER WHEREIN THE FIRST INSERT AND THE SECOND INSERT ARE SLIDINGLY RECEIVED WITHIN A SLOT ON A FIRST MOUNTING PORTION (50) ON THE MANDREL AND A SLOT ON A SECOND MOUNTING PORTION (16) ON THE MANDREL, FROM THE OUTERMOST RESPECTIVE ENDS, AND WHEREIN THE FIRST INSERT IS SECURED BY A FIRST RETAINING SLEEVE (5) AND THE SECOND INSERT IS SECURED BY A SECOND RETAINING SLEEVE (30). ALSO DISCLOSED IS A UNIQUE METHOD FOR CLEANING A SECTION OF CASING WITH A DOWNHOLE TOOL, AS HEREIN DISCLOSED.