Almost duplicate API numbers

Oklahoma Mineral Rights Kingfisher County, OK
1

There is well or maybe wells in Kingfisher county that my mother had the lease on. When I check the well name it gives me TWO API numbers: 3507324466 35073244660001

As you can see, they are identical except one has “0001” tacked onto the end. What does this mean?

Both are listed as Plugged/Abandoned and Triad (the operator) verified this, so I am not really worried about income or anything like this. It is just not clear what is going on here.

2

The first 10 digits of an API are standardized (first 2 digits are state, next 3 are county, rest are unique). 12 and 14 digits are not standardized (change based upon data vender/company) but signify:

  • 11/12th digit designate bore. So if a well is sidetracked or multi bore these digits change accordingly
  • 13/14 digit designate completion number. So if a well has more than one completion (recompletion, etc) these numbers change.

Most of us only look at the 10 digits but the 12-14th are important for geo/engineering.

2 Likes
3

Thanks very much. This is quite helpful.

So, if I understand you correctly, the two listings are for the same well. It was reopened or something or shut down or something.

4

Yes, that is correct. The well has the same surface location but they have done something significant so that the bottom hole has changed or a different zone was recompleted.

5

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