TEXAS · WELLS · ZAVALA COUNTY · KIRBY LEASE · API 42-507-33257 · DISTRICT 01
Kirby #1
Zavala County · Pearsall (Buda S.) field · Shut In · Horizontal
Kirby #1 (API 42-507-33257) is a horizontal well in Zavala County operated by Cml Exploration LLC, completed February 5, 2016 and listed as shut in on the RRC schedule, shut in March 1, 2021.
The RRC has issued one drilling permit (amended once), issued November 4, 2015, permitted to 6,954 ft.
Completion filings report 4 formation tops, including Austin Chalk, Eagle Ford, Buda, Escondido.
Its lease has reported 20.4K barrels of oil and 347K mcf of gas since February 2016, with no volume in the three years through April 2026.
Operator of record
- Based in
- Austin, TX
- P-5 status
- Active (A)
- P-5 last filed
- Oct 20, 2025
- Permits on file
- 514
- Phone
- (512) 328-8085
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | CML Exploration LLC |
| Production reports | CML Exploration, LLCthrough Aug 2020 |
| Latest permit | CML Exploration, LLCNov 4, 2015 |
- 6,954
- total depth, ft
- 2
- permits on file
- Nov 4, 2015
- last permit issued
- Feb 5, 2016
- completed
- 20.4K
- cumulative oil, bbl
- 347K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 2016 THROUGH Aug 2020
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Feb 5, 2016
- Shut in
- Mar 1, 2021
- Plugged
- —
Operator's P-5 on the schedule: Active – Extension (X)
Surface location
No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the lease this well is completed on; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Kirby O-1-18875 | Pearsall (Buda, S.) | CML Exploration, LLC | 1 | 20.4K | 347K | Feb 2016 – Aug 2020 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1CML Exploration, LLCFeb 2016 → Jul 2020
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 811700-98 | Drill | CML Exploration, LLC | May 13, 2016 | Nov 4, 2015 | Dec 28, 2015 | 7,000 |
| 811700-99 | Drill | CML Exploration, LLC | Nov 3, 2015 | Nov 4, 2015 | Dec 28, 2015 | 7,100 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Feb 5, 2016 | Kirby O-1-18875 | Pearsall (Buda S.) | CML Exploration LLC | Shut In · shut in Mar 1, 2021 | 6,954 |
Formation tops
As filed on W-2/G-1. Subsea from 580 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Austin Chalk | 5,639 | -5,059 |
| Eagle Ford | 6,384 | -5,804 |
| Buda | 6,742 | -6,162 |
| EscondidoESCONDIDO - DISPOSAL | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,083 | 17,900 | Open hole |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 5,450 | 12.25 | 888 S |
| 7 | 7,083 | 8.75 | 180 S |
Completion filings
W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Dec 7, 2016 | Aug 8, 2016 | Yes |
The source documents
Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.
- Wellbore filings for 42-507-33257 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-507-33257 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.
About this data
Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.
New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease
Developers: this page as JSON is GET /v1/data/wells/50733257, documented in the API reference.