Skip to content
Royalty Clerk

Texas field · RRC field 49601100 · District 7B

Kirby (Cook)

2 producing leases run by 1 operator in 1 Texas county. The field reported 295 barrels of oil and 0 mcf of gas in the 12 months through Jul 2026.

Field dossier · 1 county

295bbl oil, last 12 months−32% vs prior year
Producing leases
2of 4 on record
Operators
1
Counties
1
Biggest operator
Sojourner Drilling Corporation

Own minerals in this field?

Upload a royalty check stub or a phone photo. We compare each month with the state numbers for your lease and tell you what to ask your operator.

Check my statementLook up a lease by name

Where the field sits

This county

Taylor County: 2 producing leasesTaylorShackelfordFisherNolanCallahanJonesCokeTaylor County
1 countyClick a county to open it
RRC field no.
49601100
RRC district
7B
Data through
Jul 2026
Leases on record
4

Production

Five years of output in Kirby (Cook)

Monthly totals across the leases the Railroad Commission assigns to this field.

Oil output in the Kirby (Cook) field fell 32% over the last 12 months

247 bbl in the 12 months through Jul 2026, against 362 bbl in the 12 months before. Peak month: May 2023, 214 bbl.

Oil output in the Kirby (Cook) field fell 32% over the last 12 months247 bbl in the 12 months through Jul 2026, against 362 bbl in the 12 months before. Peak month: May 2023, 214 bbl.Oil, bbl per month050100150200250Peak 214 (May 23)520222023202420252026
Oil output in the Kirby (Cook) field fell 32% over the last 12 months247 bbl in the 12 months through Jul 2026, against 362 bbl in the 12 months before. Peak month: May 2023, 214 bbl.Oil, bbl per month050100150200250Peak 214 (May 23)5'22'23'24'25'26

SourceTexas Railroad Commission, Production Data Query, summed over the leases assigned to field 49601100. Reported through Jul 2026, file dated Sep 18, 2026. The newest month is often revised as operators file late.

Leases

Leases in the Kirby (Cook) field

Ranked by last-12-month output. Filter by operator, and open any lease for its month-by-month ledger.

Showing 2 of 2.

Search by lease name →

SourceTexas Railroad Commission, Production Data Query. Ranked by an approximate value of last-12-month output, so oil and gas wells sort together.

In the Kirby (Cook) field

Who operates here, and where

Each operator and county links to its own page, so you can see the rest of what they run.

Operators in this field, by oil

Sojourner Drilling leads

  1. Sojourner Drilling Corporation2 producing leases here105bbl

Counties in this field, by oil

Taylor County leads

  1. Taylor County2 producing leases105bbl

Recent drilling permits in the Kirby (Cook) field

No recent drilling permits in this field are in our data yet.

For owners

What a field is, and why it matters to your check

RRC field number
49601100
RRC district
7B
Leases on record
4
Producing leases
2

The Railroad Commission assigns each lease to a field: the underground pool or formation it produces from. A field can cross county lines and hold leases from many operators. Leases in the same field often move together, because they draw on the same rock.

That makes the field a fair yardstick. If your lease fell sharply and the rest of Kirby (Cook) did not, that is worth a question to your operator. If the whole field fell, the cause is probably geology or price, not your check.

The field trend above sums every lease in the field, so it is a good comparison for the lease page of any lease listed here.