WELL · 42-253-34342 · DISTRICT 7
McIlwain #4
Jones County · N. Funston (Gunsight Lime) field · Vertical
Mcilwain #4 (API 42-253-34342) is a well in Jones County operated by Young Marshall R. Oil CO., completed July 22, 1996.
The RRC has issued 2 drilling permits between 1996 and 1998, permitted to 2,900 ft.
Completion filings report 6 formation tops, including Saddle Creek, Saddle Crk., Flippen, Cook Lm..
Its 2 leases have reported 61.4K barrels of oil and 2.62K mcf of gas since May 1996, last reporting in July 2026. The leases carry 6 wells, so these are lease totals, not this well alone.
It holds an active disposal or injection permit.
Operator of record
Fort Worth, TX · P-5 Y, filed Sep 3, 2010 · 609 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Young Marshall R. Oil Co. |
| Production reports | CDJ Oil Co.through Aug 2019 |
| Latest permit | Young, Marshall R., Oil CompanySep 24, 1998 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 2,900
- total depth, ft
- 2
- permits on file
- Sep 24, 1998
- last permit issued
- Jul 22, 1996
- completed
- 61.4K
- cumulative oil, bbl
- 2.62K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 1996 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jul 22, 1996
- Shut in
- —
- Plugged
- —
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 2 leases this well is completed on; they carry 6 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| McIlwain O-8-28528 | N. Funston (Cook Lime) | CDJ Oil Company, LLC | 2 | 37.8K | 1.97K | Aug 1998 – Jul 2026 |
| McIlwain O-8-27856 | N. Funston (Gunsight Lime) | Young, Marshall R., Oil Co. | 4 | 23.5K | 650 | May 1996 – Nov 1998 |
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.
- 1Young, Marshall R., Oil Co.Jun 1996 → Jun 2002
- 2CDJ Oil Co.Jul 2002 → Aug 2019
- 35L Properties, Inc.Nov 2011 → Oct 2017
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 479677-99 | Recompletion | Young, Marshall R., Oil Company | Sep 24, 1998 | Sep 24, 1998 | Sep 18, 1998 | 2,650 |
| 449800-99 | Drill | Young, Marshall R., Oil Company | Jun 28, 1996 | Jun 28, 1996 | Jul 9, 1996 | 2,900 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-8-27856 | — | — | — | — |
| — | — O-8-28528 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 1,715 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Saddle Creek | 2,068 | -353 |
| Saddle Crk. | 2,068 | -353 |
| Flippen | 2,146 | -431 |
| Cook Lm. | 2,196 | -481 |
| Hope | 2,300 | -585 |
| Gunsight | 2,498 | -783 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,196 | 2,204 | Perforated |
| 2,499 | 2,505 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 130 | 12.25 | 100 S |
| 5.5 | 2,650 | 7.875 | 300 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 4, 2006 | Oct 10, 2005 | — |
| 00 | Nov 19, 1998 | Oct 6, 1998 | Yes |
| 00 | Oct 13, 1998 | — | — |
| 00 | Sep 6, 1996 | Jul 30, 1996 | Yes |
| 00 | Aug 8, 1996 | — | — |
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 42-253-34342 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-253-34342 → 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
- 201K
- bbl, all reported
- Oct 2025
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000094147 | H-1 Injection | Active | 1,000 | 1,098 | 2,196–2,204 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 0 · prior 12 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/25334342, documented in the API reference.