WELL · 42-227-40108 · DISTRICT 8
Belle Starr Unit 36-37 #4HA
Howard County · Spraberry (Trend Area) field · Producing · Horizontal
Belle Starr Unit 36-37 #4HA (API 42-227-40108) is a horizontal well in Howard County operated by Langford & Brigham Operating LLC, completed August 23, 2019 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued March 29, 2019, permitted to 7,440 ft.
It was permitted by Murchison Oil And Gas, LLC and has since transferred to Langford & Brigham Operating LLC on the wellbore schedule.
Completion filings report 10 formation tops, including Yates, Seven Rivers, San Andres, Glorieta.
Its lease has reported 1.2M barrels of oil and 1.25M mcf of gas since August 2019, last reporting in July 2026. The lease carries 4 wells, so these are lease totals, not this well alone.
Operator of record
Langford & Brigham Operating LLC
Permitted by Murchison Oil and Gas, LLC; the EWA schedule now lists a different operator.
Austin, TX · P-5 Y, filed Sep 4, 2025 · 23 permits on file · (512) 871-1001
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Langford & Brigham Operating LLC |
| Production reports | Langford & Brigham Operating LLCthrough Apr 2026 |
| Latest permit | Murchison Oil and Gas, LLCMar 29, 2019 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,440
- total depth, ft
- 1
- permits on file
- Mar 29, 2019
- last permit issued
- Aug 23, 2019
- completed
- 1.2M
- cumulative oil, bbl
- 1.25M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 2019 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Aug 23, 2019
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
32.504122, -101.456922
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Howard 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; they carry 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Belle Starr Unit 36-37 O-10-53057 | Spraberry (Trend Area) | Langford & Brigham Operating LLC | 4 | 1.2M | 1.25M | Aug 2019 – Jul 2026 |
Oil, barrels lease total
Last 12 months 130,751 · prior 12 206,494(-37%)
Gas, mcf lease total
Last 12 months 281,360 · prior 12 310,114(-9%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Murchison Oil and Gas, LLCAug 2019 → Nov 2024
- 2Langford & Brigham Operating LLCDec 2024 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 851587-99 | Drill | Murchison Oil and Gas, LLC | Mar 28, 2019 | Mar 29, 2019 | May 9, 2019 | 7,440 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-53057 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,700 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 1,962 | 738 |
| Seven Rivers | 2,065 | 635 |
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | 2,305 | 395 |
| Glorieta | 4,032 | -1,332 |
| Clear ForkCLEARFORK - SEVERE WATER FLOWS | 4,743 | -2,043 |
| Spraberry | 5,947 | -3,247 |
| Dean | 7,151 | -4,451 |
| Cisco | — | — |
| Coleman Junction | — | — |
| Leonard | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,430 | 17,625 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 493 | 16 | 375 S |
| 9.625 | 6,922 | 12.25 | 1,095 S |
| 5.5 | 17,698 | 8.5 | 2,585 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 | Mar 4, 2020 | Nov 14, 2019 | 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 42-227-40108 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-227-40108 → 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.
Belle Starr Unit 36-3742-227-40107
0.0 KM · Murchison Oil and Gas, LLC · Section with this well →
| Yates | 1,962 | 738 |
| Seven Rivers | 2,065 | 635 |
| San Andres | 2,305 | 395 |
| Glorieta | 4,032 | -1,332 |
| Clear Fork | 4,743 | -2,043 |
| Spraberry | 5,947 | -3,247 |
| Dean | 7,151 | -4,451 |
| Wolfcamp | 7,284 | -4,584 |
10 TOPS · FIRST 8
Tom Ketchum Unit 43-642-227-40087
0.2 KM · Murchison Oil and Gas, LLC · Section with this well →
| Yates | 1,972 | 740 |
| Seven Rivers | 2,086 | 626 |
| San Andres | 2,317 | 395 |
| Glorieta | 4,086 | -1,374 |
| Clear Fork | 4,749 | -2,037 |
| Spraberry | 5,942 | -3,230 |
| Dean | 7,170 | -4,458 |
| Wolfcamp | 7,296 | -4,584 |
10 TOPS · FIRST 8
Tom Ketchum Unit 43-642-227-40088
0.2 KM · Murchison Oil and Gas, LLC · Section with this well →
| Yates | 1,972 | 740 |
| Seven Rivers | 2,086 | 626 |
| San Andres | 2,317 | 395 |
| Glorieta | 4,086 | -1,374 |
| Clear Fork | 4,749 | -2,037 |
| Spraberry | 5,942 | -3,230 |
| Dean | 7,170 | -4,458 |
| Wolfcamp | 7,296 | -4,584 |
10 TOPS · FIRST 8
Belle Starr Unit 36-3742-227-41790
0.5 KM · Murchison Oil and Gas, LLC · Section with this well →
| Santa Rosa | 914 | 1,791 |
| Rustler | 1,518 | 1,187 |
| Yates | 1,980 | 725 |
| Seven Rivers | 2,078 | 627 |
| San Andres | 3,190 | -485 |
| Glorieta | 4,042 | -1,337 |
| Clear Fork | 4,767 | -2,062 |
| Spraberry | 5,962 | -3,257 |
10 TOPS · FIRST 8
Belle Starr Unit 36-3742-227-41789
0.5 KM · Murchison Oil and Gas, LLC · Section with this well →
| Santa Rosa | 914 | 1,789 |
| Rustler | 1,518 | 1,185 |
| Yates | 1,980 | 723 |
| Seven Rivers | 2,078 | 625 |
| San Andres | 3,190 | -487 |
| Glorieta | 4,042 | -1,339 |
| Clear Fork | 4,767 | -2,064 |
| Spraberry | 5,962 | -3,259 |
10 TOPS · FIRST 8
Sam Bass Unit 36-3742-227-41793
0.5 KM · Murchison Oil and Gas, LLC · Section with this well →
| Santa Rosa | 876 | 1,827 |
| Rustler | 1,503 | 1,200 |
| Yates | 1,983 | 720 |
| Seven Rivers | 2,062 | 641 |
| San Andres | 3,158 | -455 |
| Glorieta | 4,058 | -1,355 |
| Clear Fork | 4,773 | -2,070 |
| Spraberry | 5,958 | -3,255 |
10 TOPS · FIRST 8
Sam Bass Unit 36-3742-227-41792
0.5 KM · Murchison Oil and Gas, LLC · Section with this well →
| Santa Rosa | 876 | 1,825 |
| Rustler | 1,208 | 1,493 |
| Yates | 1,983 | 718 |
| Seven Rivers | 2,065 | 636 |
| San Andres | 3,163 | -462 |
| Glorieta | 4,054 | -1,353 |
| Clear Fork | 4,780 | -2,079 |
| Spraberry | 5,961 | -3,260 |
10 TOPS · FIRST 8
JW Hardin Unit 31-4242-227-42135
0.7 KM · Murchison Oil and Gas, LLC · Section with this well →
| Santa Rosa | 885 | 1,817 |
| Rustler | 1,457 | 1,245 |
| Yates | 1,941 | 761 |
| Seven Rivers | 2,043 | 659 |
| San Andres | 3,141 | -439 |
| Glorieta | 4,055 | -1,353 |
| Clear Fork | 4,692 | -1,990 |
| Spraberry | 5,922 | -3,220 |
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/22740108, documented in the API reference.