WELL · 42-077-31129 · DISTRICT 9
Spring Earl Estate #4
Clay County · Spring Ranch (3900) field · Vertical
Spring Earl Estate #4 (API 42-077-31129) is a plugged well in Clay County, plugged January 28, 1988, last operated by Heydrick Petroleum Company.
The RRC has issued one drilling permit, issued April 19, 1978, permitted to 5,850 ft.
Operator of record
Wichita Falls, TX · P-5 Y, filed Feb 4, 2026 · 106 permits on file · (940) 631-4057
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Heydrick Petroleum Company |
| Production reports | none |
| Latest permit | Heydrick Petroleum CompanyApr 19, 1978 |
- 5,850
- total depth, ft
- 1
- permits on file
- Apr 19, 1978
- last permit issued
- Nov 14, 1978
- completed
- —
- cumulative oil, bbl
- —
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Nov 14, 1978
- Shut in
- —
- Plugged
- Jan 28, 1988
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 |
|---|---|---|---|---|---|---|
| 22471-99 | Drill | Heydrick Petroleum Company | Apr 19, 1978 | Apr 19, 1978 | — | 5,850 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| — | 3,859 | Perforated |
| — | 5,614 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 958 | 12.25 | 670 S |
| 4.5 | 5,740 | 7.875 | 150 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 | Jan 12, 1984 | Aug 17, 1978 | — |
| 00 | Jan 12, 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 42-077-31129 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-077-31129 → 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
- 103K
- bbl, last 12 reported months
- 339K
- bbl, all reported
- Oct 1984
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000034022 | H-1 Injection | Plugged Feb 9, 1988 | 400 | 1,500 | 3,853–3,859 |
MONTHLY INJECTED, BBL · H-10 · LAST 14 REPORTED MONTHS
Last 12 months 294,403
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/07731129, documented in the API reference.