fractional receiver numbers?

Oil and natural gas exploration -- geology and geophysics
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Tesseract
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fractional receiver numbers?

Post by Tesseract »

Shell Processing Support originally had point numbers as ASCII strings. So presumably Shell did not use integer point numbers. The SEG revision 2.1 made these format F10.2 with 2 decimal places.
Now I have seen fractional shot point numbers: in 2D, shot points ending in 0.5 were fairly common when they were in between receiver flags.
The weirdest I came across was a 3D where the receiver lines incremented by 1, so the shot points ended in 0.25 or 0.75. I cannot recall seeing receiver numbers that were not whole numbers.
Has anybody encountered such an animal?

GuyM
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Re: fractional receiver numbers?

Post by GuyM »

Personally I haveb't.

I guess it could be of use if you have systems that allow you to access every geophone in a receiver array based at a particular receiver station location.
Perhaps that's how raw "LandQ" data is represented?

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