WELL · 42-237-40183 · DISTRICT 9
Matlock-Fullerton #21
Jack County · Jack County Regular field · Shut IN · Vertical
Matlock-Fullerton #21 (API 42-237-40183) is a well in Jack County operated by Mokan Capital LLC, completed October 28, 2014 and listed as shut in on the RRC schedule.
The RRC has issued one drilling permit, issued September 4, 2014, permitted to 1,000 ft.
It was permitted by Sak Oil, LLC and has since transferred to Mokan Capital LLC on the wellbore schedule.
Completion filings report 10 formation tops, including Gunsight, Palo Pinto, Weir, Strawn.
Its lease has reported 5.74K barrels of oil and 57 mcf of gas since January 1993, last reporting in July 2026. The lease carries 21 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Sak Oil, LLC; the EWA schedule now lists a different operator.
Spicewood, TX · P-5 Y, filed Apr 4, 2026 · 26 permits on file · (214) 642-4819
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Mokan Capital LLC |
| Production reports | Mokan Capital, LLCthrough Jan 2020 |
| Latest permit | Sak Oil, LLCSep 4, 2014 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 1,000
- total depth, ft
- 1
- permits on file
- Sep 4, 2014
- last permit issued
- Oct 28, 2014
- completed
- 5.74K
- cumulative oil, bbl
- 57
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Oct 28, 2014
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
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; they carry 21 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Matlock-Fullerton O-13-24633 | Jack County Regular | Mokan Capital, LLC | 21 | 5.74K | 57 | Jan 1993 – Jul 2026 |
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.
- 1Self, Charles LynnJan 1993 → Sep 1997
- 2Tresami, Inc.Oct 1997 → Sep 2004
- 3Peba Oil & Gas Co.Oct 2004 → Apr 2009
- 4JRJ Oil & Gas LLCAug 2009 → Jul 2013
- 5Sak Oil, LLCAug 2013 → Jan 2016
- 6Mokan Capital, LLCFeb 2016 → Jan 2020
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 791688-99 | Drill | Sak Oil, LLC | Jul 14, 2014 | Sep 4, 2014 | Oct 7, 2014 | 1,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-13-24633 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 616 | 632 | Perforated |
| 618 | 632 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 4.5 | 662 | 6.75 | 175 S |
| 4.5 | 662 | 7.875 | 175 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 | May 4, 2016 | Apr 11, 2016 | Yes |
| 00 | May 3, 2016 | Jun 19, 2015 | Yes |
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 42-237-40183 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-237-40183 → 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/23740183, documented in the API reference.