WELL · 42-331-33246 · DISTRICT 1
Coffield-Lockhart #1
Milam County · Emily A. (Wilcox 1990) field · Vertical
Coffield-Lockhart #1 (API 42-331-33246) is a plugged well in Milam County, plugged November 29, 2012, last operated by Ads Oil & Gas Inc..
The RRC has issued one drilling permit, issued June 1, 1989, permitted to 2,500 ft.
It was permitted by Heartland Resources, Inc. and has since transferred to Ads Oil & Gas Inc. on the wellbore schedule.
Completion filings report one formation top, including Wilcox.
Its lease has reported 37K barrels of oil and 20 mcf of gas since January 1993, last reporting in December 2012.
Operator of record
Permitted by Heartland Resources, Inc.; the EWA schedule now lists a different operator.
Caldwell, TX · P-5 Y, filed Oct 6, 2023 · (979) 535-4615
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Ads Oil & Gas Inc. |
| Production reports | Heartland Resources, Inc.through Oct 2001 |
| Latest permit | Heartland Resources, Inc.Jun 1, 1989 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 2,500
- total depth, ft
- 1
- permits on file
- Jun 1, 1989
- last permit issued
- Jul 4, 1989
- completed
- 37K
- cumulative oil, bbl
- 20
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Dec 2012
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jul 4, 1989
- Shut in
- —
- Plugged
- Nov 29, 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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Coffield-Lockhart O-1-12292 | Emily A. (Wilcox 1990) | Ads Oil & Gas, Inc. | 1 | 37K | 20 | Jan 1993 – Dec 2012 |
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.
- 1Heartland Resources, Inc.Jan 1993 → Oct 2001
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 359816-99 | Drill | Heartland Resources, Inc. | May 30, 1989 | Jun 1, 1989 | — | 2,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-12292 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 1,989 | 1,992 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 121 | 12.25 | 88 S |
| 4.5 | 2,500 | 7.875 | 550 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 | Aug 21, 1989 | Aug 11, 1989 | Yes |
| 00 | Aug 16, 1989 | — | — |
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 42-331-33246 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-331-33246 → 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/33133246, documented in the API reference.