TEXAS · WELLS · CROCKETT COUNTY · MCMULLAN 37 LEASE · API 42-105-32991 · DISTRICT 6E
McMullan 37 #4
Crockett County · Ozona NE. (Canyon Sand) field · Producing · Vertical
Mcmullan 37 #4 (API 42-105-32991) is a well in Crockett County operated by R2q Operating LLC, completed November 26, 1980 and listed as producing on the RRC schedule, shut in March 1, 2026.
The RRC has issued one drilling permit, issued August 12, 1980, permitted to 8,875 ft.
It was permitted by Indian Wells Oil Company and has since transferred to R2q Operating LLC on the wellbore schedule.
Its lease has reported 1.54K barrels of oil and 349K mcf of gas since January 1993, last reporting volume in February 2026.
Operator of record
Permitted by Indian Wells Oil Company; the EWA schedule now lists a different operator.
- Based in
- Iowa Park, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Sep 12, 2025
- Permits on file
- 38
- Phone
- (940) 228-1500
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | R2Q Operating LLC |
| Production reports | Extex Operating Companythrough Feb 2026 |
| Latest permit | Indian Wells Oil CompanyAug 12, 1980 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,875
- total depth, ft
- 1
- permits on file
- Aug 12, 1980
- last permit issued
- Nov 26, 1980
- completed
- 1.54K
- cumulative oil, bbl
- 349K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Feb 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Nov 26, 1980
- Shut in
- Mar 1, 2026
- Plugged
- —
Operator's P-5 on the schedule: Active – Extension (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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| McMullan 37 G-9-93256 | Ozona, NE. (Canyon Sand) | Extex Operating Company | 1 | 1.54K | 349K | Jan 1993 – Feb 2026 |
Gas, mcf lease total
Last 12 months 470 · prior 12 403(+17%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Parker & Parsley Development Co.Jan 1993 → Feb 1995
- 2Parker & Parsley Development L.PMar 1995 → Aug 1997
- 3Pioneer Natural Res. USA, Inc.Sep 1997 → Jun 2014
- 4Stanolind Operating LLCJul 2014 → Feb 2015
- 5Sogo III LLCMar 2015 → Jul 2017
- 6Stanolind Production LLCAug 2017 → Dec 2020
- 7Slant Operating, LLCJan 2021 → Jul 2021
- 8Extex Operating CompanyAug 2021 → Feb 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 89494-99 | Drill | Indian Wells Oil Company | Aug 12, 1980 | Aug 12, 1980 | — | 9,150 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Nov 26, 1980 | McMullan 37 G-9-93256 | Ozona NE. (Canyon Sand) | R2Q Operating LLC | Producing · shut in Mar 1, 2026 | 8,875 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,970 | 5,998 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,057 | 11 | 450 S |
| 2.375 | 5,901 | — | — |
| 5 | 8,872 | 7.875 | 1,000 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Jan 12, 1984 | Apr 6, 1981 | — |
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 42-105-32991 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-105-32991 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it. The University Lands library has no per-well link: then paste it into its 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/10532991, documented in the API reference.