E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
255/25
E21B 7/00 (2006.01) E21B 21/00 (2006.01) E21B 21/12 (2006.01) E21B 21/16 (2006.01) E21B 41/00 (2006.01)
Patent
CA 1050004
CONTROL METHOD AND APPARATUS FOR PRESSURE, VACUUM OR PRESSURE-VACUUM CIRCULATION IN DRILLING SYSTEM Abstract of the Disclosure. A drill system uses double walled concentric pipe and a drill bit attached at one end of the drill pipe and a power swivel at its upper end having means for applying compressed air to the outer annulus within the drill pipe and means for attaching a vacuum line to the center annulus of the drill pipe. A flexible hose attached to the vacuum portion of the drill pipe has an inductor assembly using compressed air to create a vacuum to remove the cuttings during the drilling operation. A diverting valve, having its input connected to pressurized air from an air compressor, has one output connected to the input of the inductor and its other output connected to the outer annulus portion of the drill pipe. The diverter valve provides the operator the ability to pressure reverse circulate, to vacuum reverse circulate, or an infinitely variable combination of the two. -1a-
243632
Mcqueen Robert W.
Ruhe Robert W. (jr.)
LandOfFree
Control method and apparatus for pressure, vacuum or... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Control method and apparatus for pressure, vacuum or..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Control method and apparatus for pressure, vacuum or... will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1091828