WELL · 42-495-30931 · DISTRICT 8
Little Wolf #8
Winkler County · Cheyenne (Capitan) field · Vertical
Little Wolf #8 (API 42-495-30931) is a plugged well in Winkler County, plugged February 6, 2024, last operated by Heritage Standard Corporation.
The RRC has issued one drilling permit, issued April 19, 1978, permitted to 3,400 ft.
It was permitted by Gifford, Mitchell & Wisenbaker and has since transferred to Heritage Standard Corporation on the wellbore schedule.
Completion filings report 2 formation tops, including T/Anhydrite, Captain Reef.
Its 2 leases have reported 18.4K barrels of oil and 85K mcf of gas since January 1993, last reporting in July 2026. The leases carry 8 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Gifford, Mitchell & Wisenbaker; the EWA schedule now lists a different operator.
Dallas, TX · P-5 Y, filed Mar 4, 2026 · 14 permits on file · (214) 912-2211
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Heritage Standard Corporation |
| Production reports | BC Operating, Inc.through Dec 2003 |
| Latest permit | Gifford, Mitchell & WisenbakerApr 19, 1978 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 3,400
- total depth, ft
- 1
- permits on file
- Apr 19, 1978
- last permit issued
- Jan 26, 1979
- completed
- 18.4K
- cumulative oil, bbl
- 85K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 26, 1979
- Shut in
- —
- Plugged
- Feb 6, 2024
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 2 leases this well is completed on; they carry 8 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Little Wolf O-10-24691 | Cheyenne (Capitan) | Heritage Standard Corporation | 7 | 18.4K | 85K | Jan 1993 – Jul 2026 |
| Little Wolf -B- O-10-40741 | Cheyenne (Capitan) | Heritage Gathering Corporation | 1 | 0 | 0 | Jun 2011 – Mar 2024 |
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.
- 1Texas Vanguard Oil CompanyJan 1993 → Jul 1994
- 2Smith & Marrs Inc.Aug 1994 → Aug 2002
- 3BC Operating, Inc.Sep 2002 → Dec 2003
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 22964-99 | Drill | Gifford, Mitchell & Wisenbaker | Apr 19, 1978 | Apr 19, 1978 | May 7, 1978 | 3,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-24691 | — | — | — | — |
| — | — O-10-40741 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,864 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| T/Anhydrite | 2,306 | 558 |
| Captain Reef | 3,134 | -270 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,155 | 3,219 | Perforated |
| 3,155 | 3,301 | Perforated |
| 3,241 | 3,301 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,637 | 12.25 | 750 S |
| 2.875 | 2,952 | — | — |
| 5.5 | 3,241 | 7.875 | 450 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 | Apr 27, 2018 | Mar 7, 2018 | — |
| 00 | Jun 28, 2011 | Feb 16, 1979 | — |
| 00 | Jan 12, 1984 | Feb 16, 1979 | — |
| 00 | Jan 12, 1984 | Nov 17, 1978 | — |
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 42-495-30931 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-495-30931 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. then paste it into their search.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 0
- bbl, last 12 reported months
- 2.29M
- bbl, all reported
- Aug 2023
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000010818 | H-1 Injection | Plugged Feb 26, 2024 | 500 | 1,000 | 3,155–3,301 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 0 · prior 12 336(-100%)
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/49530931, documented in the API reference.