WELL · 42-431-31407 · DISTRICT 8
Gunter 35 #4
Sterling County · Conger (Penn) field · Vertical
Gunter 35 #4 (API 42-431-31407) is a plugged well in Sterling County, plugged June 19, 2013, last operated by Bolding Energy LLC.
The RRC has issued one drilling permit, issued October 17, 1983, permitted to 8,450 ft.
It was permitted by C & K Petroleum, Inc. and has since transferred to Bolding Energy LLC on the wellbore schedule.
Completion filings report 4 formation tops, including San Andres, Wolfcamp, Cisco, Canyon.
Its lease has reported 99.4K barrels of oil and 1.82M mcf of gas since January 1993, last reporting in July 2026. The lease carries 9 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by C & K Petroleum, Inc.; the EWA schedule now lists a different operator.
Sterling City, TX · P-5 Y, filed Sep 4, 2025 · (325) 650-2231
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Bolding Energy LLC |
| Production reports | Bolding Energy, LLCthrough Apr 2026 |
| Latest permit | C & K Petroleum, Inc.Oct 17, 1983 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,450
- total depth, ft
- 1
- permits on file
- Oct 17, 1983
- last permit issued
- Dec 9, 1983
- completed
- 99.4K
- cumulative oil, bbl
- 1.82M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 9, 1983
- Shut in
- —
- Plugged
- Jun 19, 2013
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 9 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Gunter "35" O-10-24899 | Conger (Penn) | Bolding Energy, LLC | 9 | 99.4K | 1.82M | Jan 1993 – Jul 2026 |
Gas, mcf lease total
Last 12 months 1,167 · prior 12 2,946(-60%)
Oil, barrels lease total
Last 12 months 7 · prior 12 25(-72%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Williams-Cody, Inc.Jan 1993 → Apr 1993
- 2Cody Energy, Inc.May 1993 → Jan 1999
- 3Cody Energy LLCFeb 1999 → Sep 2013
- 4White Rock Oil & Gas, LLCOct 2013 → Nov 2018
- 5Bolding Energy, LLCApr 2019 → Apr 2026
- 6Cardona, LLCJan 2020 → Dec 2021
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 217273-99 | Drill | C & K Petroleum, Inc. | Oct 6, 1983 | Oct 17, 1983 | Nov 2, 1983 | 8,450 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-24899 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,656 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| San Andres | 1,825 | 831 |
| Wolfcamp | 5,301 | -2,645 |
| CiscoCISCO SAND | 7,287 | -4,631 |
| CanyonCANYON SAND | 7,703 | -5,047 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,288 | 7,519 | Perforated |
| 7,706 | 7,895 | Perforated |
| 8,106 | 8,198 | Perforated |
| 8,204 | 8,227 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,949 | 12.25 | 950 S |
| 4.25 | 8,400 | 7.875 | 1,720 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 | Mar 1, 1984 | Feb 10, 1984 | — |
| 00 | Feb 23, 1984 | Feb 10, 1984 | — |
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 42-431-31407 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-431-31407 → 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/43131407, documented in the API reference.