E - Fixed Constructions – 21 – D
Patent
E - Fixed Constructions
21
D
85/16, 61/47
E21D 20/02 (2006.01) E21B 10/60 (2006.01) E21B 17/22 (2006.01) E21D 20/00 (2006.01) E21D 21/00 (2006.01)
Patent
CA 1127433
Case No. 5900 ROCK BOLT AND INSTALLATION SYSTEM Abstract of the Disclosure A rock bolt installation system including a device for applying an insertion force to a rock bolt and a device for supplying high pressure jetting fluid -through the rock bolt, and a method of operating the system to rapidly install rock bolts. The rock bolt itself includes a flow passage with a restricted nozzle outlet at one end and an exterior groove for removal of jetting fluid and formation cuttings.
349626
Conoco Inc.
Ridout & Maybee Llp
LandOfFree
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