WELL · 42-237-37742 · DISTRICT 9
Shanafelt Trust #1A
Jack County · Box (Mississippi) field · NO Production · Vertical
Shanafelt Trust #1A (API 42-237-37742) is a well in Jack County operated by Western Chief Operating L.L.C., completed June 14, 1990 and listed as no production on the RRC schedule.
The RRC has issued one drilling permit, issued May 29, 1990, permitted to 4,999 ft.
It was permitted by Western Chief Oil & Gas Company and has since transferred to Western Chief Operating L.L.C. on the wellbore schedule.
Completion filings report 4 formation tops, including Palo Pinto, Caddo, Marble Falls, Mississippian.
Its lease has reported 254K barrels of oil and 171K mcf of gas since January 1993, last reporting in July 2026.
Operator of record
Western Chief Operating L.L.C.
Permitted by Western Chief Oil & Gas Company; the EWA schedule now lists a different operator.
- Based in
- Graham, TX
- P-5 status
- Delinquent (D)
- P-5 last filed
- Jan 28, 2022
- Permits on file
- 38
- Phone
- (940) 549-0417
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Western Chief Operating L.L.C. |
| Production reports | Western Chief Operating, L.L.C.through Aug 2024 |
| Latest permit | Western Chief Oil & Gas CompanyMay 29, 1990 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 4,999
- total depth, ft
- 1
- permits on file
- May 29, 1990
- last permit issued
- Jun 14, 1990
- completed
- 254K
- cumulative oil, bbl
- 171K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jun 14, 1990
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Delinquent (D)
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 |
|---|---|---|---|---|---|---|
| Shanafelt Trust O-13-27745 | Box (Mississippi) | Western Chief Operating, L.L.C. | 1 | 254K | 171K | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 0 · prior 12 1,813(-100%)
Gas, mcf lease total
Last 12 months 0 · prior 12 513(-100%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Western Chief Oil & Gas CompanyJan 1993 → Feb 2008
- 2Western Chief Operating, L.L.C.Mar 2008 → Aug 2024
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 373876-99 | Drill | Western Chief Oil & Gas Company | May 29, 1990 | May 29, 1990 | — | 4,999 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-13-27745 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 1,197 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Palo PintoPALO PINTO LM | 1,178 | 19 |
| CaddoCADDO LM | 4,000 | -2,803 |
| Marble FallsMARBLE FALLS LM | 4,400 | -3,203 |
| MississippianMISS LM | 4,810 | -3,613 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,831 | 4,836 | Open hole |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 271 | 12.75 | 155 S |
| 5.5 | 4,831 | 7.875 | 160 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 10, 1990 | Jul 3, 1990 | Yes |
| 00 | Aug 3, 1990 | — | — |
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 42-237-37742 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-237-37742 → 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/23737742, documented in the API reference.