WELL · 42-331-31197 · DISTRICT 3
Coffield-Martin #1
Milam County · Pecan Gap (5050) field · Vertical
Coffield-Martin #1 (API 42-331-31197) is a well in Milam County operated by Betro Inc., completed June 10, 1986.
The RRC has issued 3 drilling permits between 1981 and 1991, permitted to 8,500 ft.
It was permitted by Heartland Resources, Inc. and has since transferred to Betro Inc. on the wellbore schedule.
Completion filings report 4 formation tops, including Wilcox, Navarro, Pecan Gap, Austin Chalk.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Heartland Resources, Inc.; the EWA schedule now lists a different operator.
Rockdale, TX · P-5 Y, filed Jan 4, 2026 · 68 permits on file · (512) 760-6835
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Betro Inc. |
| Production reports | Betro, Inc.through Apr 2026 |
| Latest permit | Heartland Resources, Inc.Apr 1, 1991 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,500
- total depth, ft
- 3
- permits on file
- Apr 1, 1991
- last permit issued
- Jun 10, 1986
- completed
- 0
- cumulative oil, bbl
- 74.5K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jun 10, 1986
- Shut in
- —
- Plugged
- —
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 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Coffield-Martin G-3-138418 | Milbur, East (3110) | Betro, Inc. | 1 | 0 | 74.5K | Jan 1993 – Jul 2026 |
| Coffield-Martin O-1-11741 | Pecan Gap (5050) | Betro, Inc. | 1 | 0 | 0 | Jan 1993 – Mar 2008 |
Gas, mcf lease total
Last 12 months 391 · prior 12 362(+8%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Heartland Resources, Inc.Jan 1993 → Feb 1995
- 2Betro, Inc.Mar 1995 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 385832-99 | Recompletion | Heartland Resources, Inc. | Mar 18, 1991 | Apr 1, 1991 | Feb 1, 1991 | 3,800 |
| 328167-99 | Recompletion | Ascent Oil & Gas Corp. | Mar 24, 1987 | Mar 24, 1987 | — | 8,500 |
| 138386-99 | Drill | General Production Company, Inc. | Oct 28, 1981 | Oct 28, 1981 | Nov 1, 1981 | 8,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-3-138418 | — | — | — | — |
| — | — O-1-11741 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 570 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| WilcoxBASE WILCOX | 2,770 | -2,200 |
| Navarro | 3,100 | -2,530 |
| NavarroTOP NAVARRO | 3,100 | -2,530 |
| Pecan Gap | 4,860 | -4,290 |
| Austin Chalk | 5,500 | -4,930 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,694 | 3,702 | Perforated |
| 3,706 | 3,710 | Perforated |
| 4,870 | 5,013 | Perforated |
| 5,506 | 5,604 | Perforated |
| — | 5,604 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,048 | 11.25 | 240 S |
| 5.375 | 5,529 | — | — |
| 5.5 | 6,086 | 8.75 | 1,450 S |
| 5.5 | — | 8.75 | 950 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 | Jul 8, 1991 | Jun 11, 1991 | — |
| 00 | Jun 26, 1991 | — | — |
| 00 | May 5, 1988 | Apr 12, 1988 | — |
| 00 | May 1, 1987 | Mar 30, 1987 | Yes |
| 00 | Apr 1, 1987 | — | — |
| 00 | Jan 12, 1984 | Feb 3, 1983 | — |
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 42-331-31197 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-331-31197 → 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/33131197, documented in the API reference.