PRESSURE SEAL FOR PUMPING INSTRUMENTS THROUGH DRILL ROD

A sealing device for placement between a rotary drill motor and a drill rod for use in pumping instruments down the drill rod comprising a housing having an axial flow passage therethrough, which is split along its longitudinal axis and formed of two half sections joined together. A sealing gasket i...

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Bibliographic Details
Main Authors JONES, EMRYS H., JR, LAUER, STEPHEN D
Format Patent
LanguageEnglish
French
Published 22.03.1983
Edition3
Subjects
BLASTING
EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
ENGINEERING ELEMENTS AND UNITS
FIXED CONSTRUCTIONS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
JOINTS OR FITTINGS FOR PIPES
LIGHTING
MEANS FOR THERMAL INSULATION IN GENERAL
MECHANICAL ENGINEERING
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
PIPES
SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS
SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING
THERMAL INSULATION IN GENERAL
WEAPONS
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Summary:A sealing device for placement between a rotary drill motor and a drill rod for use in pumping instruments down the drill rod comprising a housing having an axial flow passage therethrough, which is split along its longitudinal axis and formed of two half sections joined together. A sealing gasket is provided at each end of the housing which sealingly engages a pipe pressed thereagainst in alignment with the flow passage. A bore is provided through the housing in fluid communication with the flow passage and at an acute angle therewith, the bore being partially formed in each of the half members. Packing means are provided in the bore for sealingly engaging a cable extending therethrough.
Bibliography:Application Number: CA19800355769