Patent ID: 9249636
Filing Date: 2016-02-02
CPC Classification: E21B

Claim Text:
1. A coiled tubing injector assembly having a guide arch comprising: an injector selectively engageable with coil tubing for forcing said coil tubing therethrough in an upward or downward direction, said injector comprising first and second endless, injectors chains, said coiled tubing being positioned between said first and second chains and generally defining a centerline of said injector chains; an injector mount; a plurality of load cells interconnecting said injector mount and said injector, said load cells being positioned between said mount and said injector, such that any forces exerted on said injector caused by flexing or twisting of said guide arch and/or coiled tubing guided by said arch are detected by said load cells, at least one of said load cells positioned proximal said first endless injector chain on one side of said centerline and at least one of said load cells positioned proximal said second endless injector on the other side of said centerline, wherein said injector comprises a first beam, said first beam being interconnected to said mount by first and second load cells; said injector being connected to said beam.