TEXAS · WELLS · CROCKETT COUNTY · MCMULLEN 37 LEASE · API 42-105-36041 · DISTRICT 6E
McMullen 37 #1
Crockett County · Ozona NE. (Canyon Sand) field · Producing · Vertical
- Permitted field
- Ozona (Canyon Sand)
Mcmullen 37 #1 (API 42-105-36041) is a well in Crockett County operated by R2q Operating LLC, completed December 6, 1991 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued October 30, 1991, permitted to 8,800 ft.
It was permitted by Enron Oil & Gas Company and has since transferred to R2q Operating LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Base Cretaceous (marker), Canyon, Strawn.
Its lease has reported 2.07K barrels of oil and 429K mcf of gas since the record begins in January 1993, last reporting volume in August 2026.
Operator of record
Permitted by Enron Oil & Gas Company; the EWA schedule now lists a different operator.
- Based in
- Iowa Park, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Oct 7, 2026
- 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 | R2Q Operating LLCthrough Aug 2026 |
| Latest permit | Enron Oil & Gas CompanyOct 30, 1991 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,800
- total depth, ft
- 1
- permits on file
- Oct 30, 1991
- last permit issued
- Dec 6, 1991
- completed
- 2.07K
- cumulative oil, bbl
- 429K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · ON RECORD FROM JAN 1993, THE RECORD'S FIRST MONTH, THROUGH AUG 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Dec 6, 1991
- Shut in
- —
- 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.
Wells nearby
Every well with a location on file around this well, in any state, nearest first.
Texas locations come from drilling permits, so most older Texas wells have none and are not listed.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH AUG 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 |
|---|---|---|---|---|---|---|
| McMullen 37 G-9-140368 | Ozona, NE. (Canyon Sand) | R2Q Operating LLC | 1 | 2.07K | 429K | by Jan 1993 – Aug 2026 |
Gas, mcf lease total
Last 12 months 1,002 · prior 12 2,603(-62%)
Wells named McMullen 37
R2Q Operating LLC's other wells filed under this lease name in Crockett County, newest permit first. The RRC gives a gas well its own lease number, so the name is what joins the wells of a unit.
Loading the lease's wellsChain of custody
Every operator that reported production on this well's lease, in order.
- 1Enron Oil & Gas CompanyJan 1993 → Sep 1999
- 2EOG Resources, Inc.Oct 1999 → Feb 2013
- 3Thompson, J. CleoApr 2013 → Sep 2020
- 4BRP Energy, LLCOct 2020 → Feb 2023
- 5Extex Operating CompanyMar 2023 → Aug 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 393339-99 | Drill | Enron Oil & Gas Company | Oct 28, 1991 | Oct 30, 1991 | Nov 7, 1991 | 9,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Dec 6, 1991 | McMullen 37 G-9-140368 | Ozona NE. (Canyon Sand) | R2Q Operating LLC | Producing | 8,800 |
Formation tops
As filed on W-2/G-1. Subsea from 2,241 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Base Cretaceous (marker)BASE CRETACEOUS | 1,290 | 951 |
| CanyonTOP CANYON SAND | 5,920 | -3,679 |
| CanyonBASE CANYON SAND | 6,080 | -3,839 |
| StrawnTOP STRAWN | 8,493 | -6,252 |
| StrawnBASE STRAWN | 8,635 | -6,394 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,944 | 6,077 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,075 | 11 | 470 S |
| 5.5 | 6,288 | 7.875 | 800 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 | Mar 11, 1992 | Jan 6, 1992 | Yes |
| 00 | Jan 31, 1992 | — | — |
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 42-105-36041 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-105-36041 → 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/10536041, documented in the API reference.