Oil Drilling


Recent Rotary Rig Count June 14th, 2013



AREA

 LAST
COUNT
DATE

COUNT 

CHANGE FROM
PRIOR COUNT
 

DATE OF
PRIOR COUNT 

 CHANGE FROM 
LAST YEAR

DATE
OF LAST
 YEARS COUNT 

UNITED STATES 

6/14/13 

1771

+6

6/7/13

-200

6/15/12

CANADA 

6/14/13

176

+24

6/7/13

-72

6/15/12 

USA OFFSHORE 

6/14/13 

 54

-2

6/7/13

 +3

6/15/12 

INTERNATIONAL 

05/2013 

1283

 -18

4/2013 

 +58

5/2012 

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All Blog Posts Tagged 'Total' (1)

Total Flow Area

Total Flow Area (TFA) is summation of nozzle areas which fluid can pass through. When you consider about the TFA, you need to count all nozzles that you have in a bit or a reamer.

Basically, you can determine flow area with a simple circle area formula.









Where;



Area in square inch…



Continue

Added by Rachain Jetjongjit on March 23, 2011 at 9:30pm — 1 Comment

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