WELL · 42-451-10391 · DISTRICT 7
Halfman E. A. B #1B
Tom Green County · Halfman (Strawn) field · Vertical
Halfman E. A. B #1B (API 42-451-10391) is a plugged well in Tom Green County, plugged July 22, 1987, last operated by Carburante Exploration CO Ltd..
The RRC has issued one drilling permit, issued February 22, 1984, permitted to 4,800 ft.
It was permitted by Diamark Energy Corp. and has since transferred to Carburante Exploration CO Ltd. on the wellbore schedule.
Completion filings report 2 formation tops, including Harkey Sand, Strawn.
Operator of record
Carburante Exploration Co Ltd.
Permitted by Diamark Energy Corp.; the EWA schedule now lists a different operator.
Granbury, TX · P-5 Y, filed Feb 4, 2026 · 13 permits on file · (713) 824-4818
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Carburante Exploration Co Ltd. |
| Production reports | none |
| Latest permit | Diamark Energy Corp.Feb 22, 1984 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 4,800
- total depth, ft
- 1
- permits on file
- Feb 22, 1984
- last permit issued
- Oct 2, 1985
- completed
- —
- cumulative oil, bbl
- —
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 2, 1985
- Shut in
- —
- Plugged
- Jul 22, 1987
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.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 230287-99 | Other | Diamark Energy Corp. | Feb 9, 1984 | Feb 22, 1984 | — | 4,800 |
Formation tops
As filed on W-2/G-1. Subsea from 1,969 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Harkey Sand | 4,260 | -2,291 |
| StrawnSTRAWN LIME | 4,600 | -2,631 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,643 | 4,661 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 243 | 11 | 125 S |
| 4.5 | 4,700 | 7.875 | 350 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 | Apr 28, 1986 | Apr 17, 1986 | — |
| 00 | Feb 11, 1985 | Aug 24, 1984 | — |
| 00 | Feb 7, 1985 | — | — |
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 42-451-10391 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-451-10391 → 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.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 0
- bbl, last 12 reported months
- 0
- bbl, all reported
- May 1986
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000057383 | H-1 Injection | Plugged Aug 17, 1987 | 0 | 1,000 | 4,643–0 |
MONTHLY INJECTED, BBL · H-10 · LAST 1 REPORTED MONTHS
Last 12 months 0
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/45110391, documented in the API reference.