CONFIGURATION OF LOWER PART OF DRILL PIPE STRING TO DRIVE INCLINED OR HORIZONTAL HOLES BY SCREW FACE MOTOR

drilling equipment. SUBSTANCE: telescopic system made of cylinder housing piston is positioned between lower pipe of drill pipe string and face motor. Lower part of cylinder has holes communicating its internal space with pipe clearance. Cylinder is connected to drill pipe string and piston is linke...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	BALDENKO F.D, POTAPOV JU.F, MESSER A.G, VLASOV A.V, BALDENKO D.F
Format:	Patent
Sprache:	eng ; rus
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:	drilling equipment. SUBSTANCE: telescopic system made of cylinder housing piston is positioned between lower pipe of drill pipe string and face motor. Lower part of cylinder has holes communicating its internal space with pipe clearance. Cylinder is connected to drill pipe string and piston is linked to body of motor. Upper butt of piston carries location seat to house stationary or cast off headpiece provided with shank fitting overshot. EFFECT: adjustment of load on face in process of drilling. 5 dwg