CARL WORSHAM CATCLAW (TANNEHILL), District 7B, 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 3 leases in this field that have a page here — 75% 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 | 11 | 11 | 65,799 bbl | 2,440 mcfcasinghead | 1,931,816 bblsince discovery |
The discovery well's oil measured 42.1° API gravity, perforated at 1,866 ft.
Spacing rule
What the Commission requires of a well on this field.
| Wells | Rule | Effective | From the lease line | Between wells | Acres per unit | Max diagonal |
|---|---|---|---|---|---|---|
| Oil | B | 1996-07-19 | 220 ft | 440 ft | 10 | 1,100 ft |
Commission remarks: PERMANENT FLD RULES EFF. 7/19/96 PER DKT#7B-0212375.
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 |
|---|---|---|
| HUGHES | SOJOURNER DRILLING CORPORATION | $92.6 M |
| CITY OF ABILENE | SOJOURNER DRILLING CORPORATION | $11.4 M |
| WEST VOGEL UNIT | SOJOURNER DRILLING CORPORATION | $7.6 M |
Field number 15666650, from the Railroad Commission's field register. The register's own index resolves 4 leases and 12 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.