WELL · 42-497-36139 · DISTRICT 9
Taylor & Mauldin #4
Wise County · Vertical
Taylor & Mauldin #4 (API 42-497-36139) is a permitted well in Wise County filed by Kroh Operating LLC; no completion report is on file yet.
The RRC has issued 3 drilling permits between 2006 and 2022, permitted to 8,500 ft.
Completion filings report 2 formation tops, including Strawn, Mississippian.
Operator of record
River Oaks, TX · P-5 Y, filed Aug 4, 2025 · 8 permits on file · (817) 625-2714
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | TS Oil, LLCthrough Apr 2026 |
| Latest permit | Kroh Operating LLCFeb 25, 2022 |
- 8,500
- total depth, ft
- 3
- permits on file
- Feb 25, 2022
- last permit issued
- —
- completed
- 0
- cumulative oil, bbl
- 169K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Mar 2007 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- —
Surface location
33.027067, -97.682505
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Wise County.
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 |
|---|---|---|---|---|---|---|
| Taylor & Mauldin G-13-228789 | Newark, East (Barnett Shale) | TS Oil, LLC | 1 | 0 | 169K | Mar 2007 – Jul 2026 |
Gas, mcf lease total
Last 12 months 7,719 · prior 12 8,314(-7%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Cal-Tex Fossil, L.L.C.Apr 2007 → May 2020
- 2E.C. Hindman Oil and GasJun 2020 → Jul 2020
- 3Crossbow Resources, LLCAug 2020 → Sep 2021
- 4Kroh Operating LLCNov 2021 → Jan 2025
- 5TS Oil, LLCFeb 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 877268-99 | Recompletion | Kroh Operating LLC | Feb 19, 2022 | Feb 25, 2022 | — | 5,600 |
| 680524-99 | Recompletion | Cal-Tex Fossil, L.L.C. | Apr 20, 2009 | Apr 21, 2009 | — | 6,000 |
| 626601-99 | Drill | Cal-Tex Fossil, L.L.C. | Sep 26, 2006 | Oct 4, 2006 | Aug 21, 2006 | 8,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-13-228789 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 966 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Strawn | 2,000 | -1,034 |
| Mississippian | 4,885 | -3,919 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,580 | 6,585 | Perforated |
| 6,680 | 6,690 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 420 | 12.25 | 230 S |
| 5.5 | 6,803 | 7.875 | 275 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 13, 2007 | Jun 7, 2007 | Yes |
| 00 | Aug 8, 2007 | — | — |
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 42-497-36139 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-497-36139 → 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.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
Gentry42-497-37990
5.3 KM · Texxol Operating Company, Inc. · Section with this well →
| Caddo | — | |
| Canyon | — | |
| Overcharged Disposal Zone - Alvo | — | |
| Overcharged Disposal Zone - Chic | — | |
| Strawn | — | |
| Undetermined - Gas Producing Zon | — | |
| Valera | — | |
| Atoka | — |
10 TOPS · FIRST 8
Clark Unit42-367-33838
6.8 KM · Burlington Resources O & G Co LP · Section with this well →
| Marble Falls | 5,356 | -4,538 |
| Duffer | 5,500 | -4,682 |
| Barnett | 5,649 | -4,831 |
Kelley Heirs42-497-37934
7.7 KM · Lakota Energy, Ltd. · Section with this well →
| Strawn | 3,805 | -2,914 |
| Caddo | 4,022 | -3,131 |
| Atoka | 5,146 | -4,255 |
| Valera | — | |
| Brazos River | — | |
| Bryson | — | |
| Canyon | — | |
| Overcharged Disposal Zone - Alvo | — |
10 TOPS · FIRST 8
Wcco 9-EG Gasperson Deep 4 (AW)42-497-38148
8.0 KM · BKV Barnett, LLC · Section with this well →
| Caddo | 3,881 | -3,107 |
| Brazos River | — | |
| Valera | — | |
| Undetermined - Gas Producing Zon | — | |
| Strawn | — | |
| Overcharged Disposal Zone - Chic | — | |
| Overcharged Disposal Zone - Alvo | — | |
| Canyon | — |
10 TOPS · FIRST 8
Wcco 9-EG Gasperson Deep 6 (AW)42-497-38150
8.0 KM · BKV Barnett, LLC · Section with this well →
| Caddo | 3,886 | -3,112 |
| Valera | — | |
| Atoka | — | |
| Brazos River | — | |
| Bryson | — | |
| Canyon | — | |
| Overcharged Disposal Zone - Alvo | — | |
| Overcharged Disposal Zone - Chic | — |
10 TOPS · FIRST 8
G E Nelon - Wcco 6 3 (AW)42-497-38135
8.3 KM · BKV Barnett, LLC · Section with this well →
| Caddo | 3,774 | -2,981 |
| Valera | — | |
| Undetermined - Gas Producing Zon | — | |
| Atoka | — | |
| Bryson | — | |
| Canyon | — | |
| Overcharged Disposal Zone - Alvo | — | |
| Overcharged Disposal Zone - Chic | — |
10 TOPS · FIRST 8
G E Nelon - Wcco 6 4 (AW)42-497-38136
8.3 KM · BKV Barnett, LLC · Section with this well →
| Caddo | 3,784 | -2,991 |
| Valera | — | |
| Brazos River | — | |
| Atoka | — | |
| Bryson | — | |
| Canyon | — | |
| Overcharged Disposal Zone - Alvo | — | |
| Overcharged Disposal Zone - Chic | — |
10 TOPS · FIRST 8
G E Nelon - Wcco 6 5 (AW)42-497-38137
8.3 KM · BKV Barnett, LLC · Section with this well →
| Caddo | 3,805 | -3,012 |
| Bryson | — | |
| Atoka | — | |
| Brazos River | — | |
| Valera | — | |
| Undetermined - Gas Producing Zon | — | |
| Strawn | — | |
| Overcharged Disposal Zone - Chic | — |
10 TOPS · FIRST 8
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/49736139, documented in the API reference.