WELL · 42-181-31175 · DISTRICT 9
Woodall C. L. #4
Grayson County · Collinsville SE. (4100 Degan) field · Vertical
Woodall C. L. #4 (API 42-181-31175) is a plugged well in Grayson County, plugged November 16, 1987, last operated by H.L. Clark Oil Company LLC.
The RRC has issued one drilling permit, issued January 17, 1986, permitted to 4,490 ft.
It was permitted by Felderhoff Production CO. and has since transferred to H.L. Clark Oil Company LLC on the wellbore schedule.
Completion filings report 2 formation tops, including Trinity Bottom, Degan Sand.
Operator of record
Permitted by Felderhoff Production Co.; the EWA schedule now lists a different operator.
Whitesboro, TX · P-5 Y, filed Mar 4, 2026 · (903) 815-0837
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | H.L. Clark Oil Company LLC |
| Production reports | none |
| Latest permit | Felderhoff Production Co.Jan 17, 1986 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 4,490
- total depth, ft
- 1
- permits on file
- Jan 17, 1986
- last permit issued
- Mar 24, 1986
- completed
- —
- cumulative oil, bbl
- —
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Mar 24, 1986
- Shut in
- —
- Plugged
- Nov 16, 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 |
|---|---|---|---|---|---|---|
| 295584-99 | Drill | Felderhoff Production Co. | Jan 13, 1986 | Jan 17, 1986 | — | 4,490 |
Formation tops
As filed on W-2/G-1. Subsea from 465 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Trinity Bottom | 1,950 | -1,485 |
| Degan Sand | 4,190 | -3,725 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,190 | 4,198 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 91 | 12.25 | 175 S |
| 4.5 | 4,246 | 7.875 | 900 S |
| 50 | — | — | — |
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 14, 1986 | Mar 25, 1986 | Yes |
| 00 | Apr 1, 1986 | — | — |
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 42-181-31175 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-181-31175 → 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/18131175, documented in the API reference.