WELL · 42-399-33819 · DISTRICT 7
Byers Cora #4
Runnels County · GHG (Dogbend Limestone) field · Vertical
Byers Cora #4 (API 42-399-33819) is a plugged well in Runnels County, plugged July 31, 2012, last operated by Lariat Land & Exploration Inc..
The RRC has issued one drilling permit, issued March 20, 1987, permitted to 3,700 ft.
It was permitted by Fisher, Jack Inc. and has since transferred to Lariat Land & Exploration Inc. on the wellbore schedule.
Completion filings report 4 formation tops, including B/Coleman Junction, Palo Pinto, Dogbend, Upper Capps.
Its lease has reported 37.4K barrels of oil and 551K mcf of gas since January 1993, last reporting in July 2026. The lease carries 3 wells, so these are lease totals, not this well alone.
Operator of record
Lariat Land & Exploration Inc.
Permitted by Fisher, Jack Inc.; the EWA schedule now lists a different operator.
Abilene, TX · P-5 Y, filed May 4, 2026 · 25 permits on file · (325) 668-9095
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Lariat Land & Exploration Inc. |
| Production reports | Lariat Land & Exploration, Inc.through Apr 2026 |
| Latest permit | Fisher, Jack Inc.Mar 20, 1987 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 3,700
- total depth, ft
- 1
- permits on file
- Mar 20, 1987
- last permit issued
- Apr 9, 1987
- completed
- 37.4K
- cumulative oil, bbl
- 551K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 9, 1987
- Shut in
- —
- Plugged
- Jul 31, 2012
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; they carry 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Byers, Cora O-9-11524 | GHG (Dogbend Limestone) | Lariat Land & Exploration, Inc. | 3 | 37.4K | 551K | Jan 1993 – Jul 2026 |
Gas, mcf lease total
Last 12 months 4,750 · prior 12 6,392(-26%)
Oil, barrels lease total
Last 12 months 492 · prior 12 283(+74%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Fisher, Jack Inc.Jan 1993 → Sep 2001
- 2Lariat Land & Exploration, Inc.Nov 2001 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 327913-99 | Drill | Fisher, Jack Inc. | Mar 18, 1987 | Mar 20, 1987 | — | 3,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-11524 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 1,768 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| B/Coleman Junction | 1,370 | 398 |
| Palo Pinto | 3,286 | -1,518 |
| Dogbend | 3,518 | -1,750 |
| Upper Capps | 3,560 | -1,792 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,528 | 3,524 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 146 | 12.25 | 95 S |
| 4.5 | 3,598 | 7.875 | 375 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. About these reports →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | May 1, 1987 | Apr 21, 1987 | Yes |
| 00 | Apr 30, 1987 | — | — |
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 42-399-33819 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-399-33819 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). then paste it into their search.
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/39933819, documented in the API reference.