MARKLEY,S. (MARBLE FALLS), District 09, Texas
A field is the Railroad Commission's unit of geology and of regulation. Its spacing rule is what decides how many wells an acreage can hold.
Our estimate: volumes the operator filed with the Commission, valued at the EIA first-purchase price for that month. It is not a payment anyone received, and it is not a royalty. It sums the 4 leases in this field that have a page here — 100% of the register's 4 — so it understates the field.
Production, 2025
The Railroad Commission's Oil and Gas Annual Report for 2025, its most recent. These are the state's figures for the whole field, not ours.
| Wells | In the field | Producing | Produced in 2025 | Also produced | Cumulative |
|---|---|---|---|---|---|
| Oil | 1 | 1 | 196 bbl | 1,724 mcfcasinghead | 4,708 bblsince discovery |
| Gas | 1 | 1 | 10,964 mcf | 0 bblcondensate | 570,357 mcfsince 1970 |
The discovery well's oil measured 43.1° API gravity, perforated at 4,820 ft.
Spacing rule
What the Commission requires of a well on this field.
Commission remarks: FIELD NO LONGER EXEMPT, WILL BECOME PRORATED EFFECTIVE 11/2016;
County
Leases in this field
Every lease here files this field's number with the Commission and has a page on this site.
| Lease | Operator | Value |
|---|---|---|
| GAMESON | BAY ROCK OPERATING COMPANY | $628 k |
| PETERSON B UNIT | BAY ROCK OPERATING COMPANY | $512 k |
| PRIDEAUX | XSTAR RESOURCES LLC | $85 k |
| PRIDEAUX | BROWN, EDMOND | $282 |
Field number 57613500, from the Railroad Commission's field register. The register's own index resolves 4 leases and 4 wells to this field by name, over every lease in Texas rather than only those with a page here. It resolves a lease by NAME and refuses an ambiguous one, so it counts nothing for a field that shares its name with another — which is why the lease count above comes from the field number instead.