WELL · 42-083-36230 · DISTRICT 7
Northwest Valera Unit #4WI
Coleman County · Warner (Gardner Lower) field · Injection · Vertical
Northwest Valera Unit #4WI (API 42-083-36230) is a well in Coleman County operated by Rolling Hills Oil & Gas Inc, completed June 28, 2018 and listed as injection on the RRC schedule.
The RRC has issued one drilling permit, issued March 29, 2018, permitted to 4,000 ft.
It was permitted by Dry Fork Production CO., LLC and has since transferred to Rolling Hills Oil & Gas Inc on the wellbore schedule.
Completion filings report 10 formation tops, including Coleman Junction, Morris Sand, Breneke Sand - Disposal, Canyon.
Its lease has reported 41.3K barrels of oil since December 2017, last reporting in July 2026. The lease carries 9 wells, so these are lease totals, not this well alone.
It holds an active disposal or injection permit, with 66.2K barrels injected in the 12 months reported through March 2026; TexNet located 0 M2+ earthquakes within 10 km over the last two years.
Operator of record
Permitted by Dry Fork Production Co., LLC; the EWA schedule now lists a different operator.
Austin, TX · P-5 Y, filed Feb 4, 2026 · (214) 642-4819
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Rolling Hills Oil & Gas Inc |
| Production reports | Rolling Hills Oil & Gas, Incthrough Apr 2026 |
| Latest permit | Dry Fork Production Co., LLCMar 29, 2018 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 4,000
- total depth, ft
- 1
- permits on file
- Mar 29, 2018
- last permit issued
- Jun 28, 2018
- completed
- 41.3K
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 2017 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jun 28, 2018
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
31.789247, -99.557019
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Coleman 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 9 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Northwest Valera Unit O-8-32214 | Warner (Gardner, Lower) | Rolling Hills Oil & Gas, Inc | 9 | 41.3K | 0 | Dec 2017 – Jul 2026 |
Oil, barrels lease total
Last 12 months 2,034 · prior 12 3,581(-43%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Dry Fork Production Co., LLCJul 2018 → Mar 2023
- 2TLH Production LLCApr 2023 → Mar 2025
- 3Mammoth Operating LLCApr 2025 → Oct 2025
- 4Rolling Hills Oil & Gas, IncNov 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 837819-99 | Drill | Dry Fork Production Co., LLC | Mar 21, 2018 | Mar 29, 2018 | May 15, 2018 | 4,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-8-32214 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 1,930 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Coleman Junction | 725 | 1,205 |
| Morris Sand | 2,785 | -855 |
| Breneke Sand - Disposal | — | — |
| CanyonCANYON REEF - DISPOSAL | — | — |
| Cook Sand - Disposal | — | — |
| Crosscut Upper - Disposal | — | — |
| King Sand - Disposal | — | — |
| Overall - Disposal | — | — |
| TannehillTANNEHILL - DISPOSAL | — | — |
| Winchell Lime - Disposal | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,066 | 3,086 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 252 | 12.25 | 150 S |
| 5.5 | 3,181 | 7.875 | 150 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 | Sep 19, 2018 | Aug 15, 2018 | 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 42-083-36230 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-083-36230 → 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.
NW Valera Unit42-083-36229
0.3 KM · Dry Fork Production Co., LLC · Section with this well →
| Coleman Junction | 725 | 1,214 |
| Morris Sand | 2,785 | -846 |
| Overall - Disposal | — | |
| Tannehill | — | |
| Winchell Lime - Disposal | — | |
| Breneke Sand - Disposal | — | |
| Crosscut Upper - Disposal | — | |
| King Sand - Disposal | — |
10 TOPS · FIRST 8
Northwest Valera Unit42-083-36226
0.4 KM · Dry Fork Production Co., LLC · Section with this well →
| Coleman Junction | 725 | 1,187 |
| Morris Sand | 2,785 | -873 |
| Winchell Lime - Disposal | — | |
| Breneke Sand - Disposal | — | |
| Canyon | — | |
| Cook Sand - Disposal | — | |
| Crosscut Upper - Disposal | — | |
| King Sand - Disposal | — |
10 TOPS · FIRST 8
NW Valera Unit42-083-36228
0.5 KM · Dry Fork Production Co., LLC · Section with this well →
| Coleman Junction | 725 | 1,245 |
| Morris Sand | 2,785 | -815 |
| Tannehill | — | |
| Overall - Disposal | — | |
| Winchell Lime - Disposal | — | |
| Breneke Sand - Disposal | — | |
| Canyon | — | |
| King Sand - Disposal | — |
10 TOPS · FIRST 8
NW Valera Unit42-083-36227
0.6 KM · Dry Fork Production Co., LLC · Section with this well →
| Coleman Junction | 725 | 1,215 |
| Morris Sand | 2,785 | -845 |
| Breneke Sand - Disposal | — | |
| Canyon | — | |
| Cook Sand - Disposal | — | |
| Crosscut Upper - Disposal | — | |
| King Sand - Disposal | — | |
| Overall - Disposal | — |
10 TOPS · FIRST 8
Northwest Valera Unit42-083-36237
0.6 KM · Dry Fork Production Co., LLC · Section with this well →
| Coleman Junction | 700 | 1,220 |
| Morris Sand | 2,785 | -865 |
| Tannehill | — | |
| Overall - Disposal | — | |
| Canyon | — | |
| Winchell Lime - Disposal | — | |
| Cook Sand - Disposal | — | |
| Breneke Sand - Disposal | — |
10 TOPS · FIRST 8
Northwest Valera Unit42-083-36238
0.7 KM · Dry Fork Production Co., LLC · Section with this well →
| Coleman Junction | 725 | 1,232 |
| Capps Lime - Disposal | 2,814 | -857 |
| Winchell Lime - Disposal | — | |
| Breneke Sand - Disposal | — | |
| Canyon | — | |
| Cook Sand - Disposal | — | |
| Crosscut Upper - Disposal | — | |
| King Sand - Disposal | — |
10 TOPS · FIRST 8
Laws42-083-00726
1.6 KM · Kramer Operating, LLC · Section with this well →
| Coleman Junction | 650 | 1,278 |
| Cook Sand - Disposal | 1,690 | 238 |
| Capps Lime - Disposal | — | |
| Tannehill | — | |
| Canyon | — | |
| Overall - Disposal | — | |
| Winchell Lime - Disposal | — | |
| Breneke Sand - Disposal | — |
10 TOPS · FIRST 8
Robert Horne42-083-36231
6.2 KM · Ringo Rig LLC · Section with this well →
| Coleman Junction | 625 | 1,106 |
| Tannehill | 832 | 899 |
| King Sand - Disposal | 1,190 | 541 |
| Winchell Lime - Disposal | 1,860 | -129 |
| Capps Lime - Disposal | 2,388 | -657 |
| Cook Sand - Disposal | — | |
| Crosscut Upper - Disposal | — | |
| Breneke Sand - Disposal | — |
10 TOPS · FIRST 8
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 66.2K
- bbl, last 12 reported months
- 585K
- bbl, all reported
- Mar 2026
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000116280 | H-1 Injection | Active | 350 | 1,520 | 3,045–3,100 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 66,225 · prior 12 87,215(-24%)
TexNet catalog via USGS
Seismicity near this well
- 0
- M2+ events within 10 km, last 2 years
- —
- largest
A proximity count, not an attribution. How to read it →
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/08336230, documented in the API reference.