Landman expresses interest, then does not return phone calls

Oklahoma Mineral Rights Grady County, OK
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I’m curious if anyone is seeing any leasing interest in Section 31-9N-8W of Grady County?

Or adjacent sections 29, 30, or 32, also in 9N-8W?

Or in the adjacent sections: Sections 5, 6 of 8N, 8W Sections 25, 36 of 9N, 9W

I’ve had a landman for Continental (who seems to have wrapped up all of Grady County pretty thoroughly) contact me at the start of March and express interest, only to not return phone calls.

Curious if other landmen are able to lease in this area, or has Continental ‘monopolized’ the area through their sizeable production already in place in Grady Co and surrounding areas?

Thanks for any updates on the “state of play” of this part of OK.