E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
20/112
E21B 15/00 (2006.01) E04H 12/10 (2006.01)
Patent
CA 1124483
LOW LIFT, ELEVATABLE HIGH FLOOR DRILLING MIST AND SUBSTRUCTURE ARRANGEMENT THEREFOR Abstract of the Disclosure Low level base means extend longitudinally on the earth's surface. Drilling mast support means are positioned adjacent and pivotally connected to the base means and setback tower means are pivotally connected to the mast support means and to the base means. Drilling mast means are secured to the mast support means. Lifting frame means are connected to the drilling mast support means whereby said drilling mast support means, mast connected thereto and setback tower means may be simultaneously elevated from a reclined position to an upright position on the base means. Cable means may be secured at one end to the lifting frame means and extended around sheave means on the base means over sheave means on the lifting frame means and under sheave means on the mast support means. The other end of the cable is wound on the drawworks drum or with any other suitable power source to exert a pull on the cable and elevate the mast support, mast and setback tower to an upright position on the base means where the mast may be secured in upright position. Elevatable drawworks support means is piv- otally connected to the low level base means adjacent the other side of the drilling mast support means. The lifting frame means is then secured in upright position adjacent the upright mast support and mast and the end of the cable means that was connected to the lifting frame means is disconnected therefrom and secured to the forward end or edge of the elevatable draw- works. The same power source, that is, either the elevatable drawworks or another power source may then be used to raise or elevate the drawworks into position adjacent the mast. -1-
345327
George H. Riches And Associates
Pre Corporation
LandOfFree
Low lift, elevatable high floor drilling mast and... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Low lift, elevatable high floor drilling mast and..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Low lift, elevatable high floor drilling mast and... will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-286881