TEXAS · WELLS · MIDLAND COUNTY · WALLIN, H. C. LEASE · API 42-329-34308 · DISTRICT 7B
Wallin H. C. #4H
Midland County · Dora Roberts (Devonian) field · Producing · Horizontal
Wallin H. C. #4H (API 42-329-34308) is a horizontal well in Midland County operated by Pioneer Natural Res. USA Inc., completed August 10, 2000 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued May 24, 2000, permitted to 12,152 ft.
It was permitted by Ocean Energy, Inc. and has since transferred to Pioneer Natural Res. USA Inc. on the wellbore schedule.
Completion filings report 5 formation tops, including Wolfcamp, Strawn, Parks, Sanders.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Ocean Energy, Inc.; the EWA schedule now lists a different operator.
- Based in
- Spring, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jul 8, 2026
- Permits on file
- 15,628
- Phone
- (972) 444-4001
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Pioneer Natural Res. USA Inc. |
| Production reports | Pioneer Natural Res. USA, Inc.through Apr 2026 |
| Latest permit | Ocean Energy, Inc.May 24, 2000 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,152
- total depth, ft
- 2
- permits on file
- May 24, 2000
- last permit issued
- Aug 10, 2000
- completed
- 0
- cumulative oil, bbl
- 2.28M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 2000 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Aug 10, 2000
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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 |
|---|---|---|---|---|---|---|
| Wallin, H. C. G-10-179261 | Dora Roberts (Devonian) | Pioneer Natural Res. USA, Inc. | 1 | 0 | 2.28M | Aug 2000 – Jul 2026 |
Gas, mcf lease total
Last 12 months 9,136 · prior 12 11,589(-21%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Ocean Energy, Inc.Aug 2000 → Aug 2003
- 2Devon Louisiana CorporationSep 2003 → Dec 2005
- 3Devon Energy Production Co, L.P.Jan 2006 → Aug 2016
- 4Pioneer Natural Res. USA, Inc.Sep 2016 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 495459-98 | Drill | Ocean Energy, Inc. | Aug 16, 2000 | May 24, 2000 | — | 13,000 |
| 495459-99 | Drill | Ocean Energy, Inc. | May 24, 2000 | May 24, 2000 | May 27, 2000 | 13,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Aug 10, 2000 | Wallin H. C. G-10-179261 | Dora Roberts (Devonian) | Pioneer Natural Res. USA Inc. | Producing | 12,152 |
Formation tops
As filed on W-2/G-1. Subsea from 2,891 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,902 | 11,393 | Open hole |
| 11,902 | 14,091 | Open hole |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 400 | 17.5 | 365 S |
| 9.625 | 5,357 | 12.25 | 2,150 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 | Dec 16, 2000 | Aug 31, 2000 | Yes |
| 00 | Nov 7, 2000 | — | — |
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 42-329-34308 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-329-34308 → 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.
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/32934308, documented in the API reference.