WELL · 42-235-31850 · DISTRICT 7
State YK #1
Irion County · Lin (Wolfcamp) field · Vertical
State YK #1 (API 42-235-31850) is a well in Irion County operated by Chevron U. S. A. Inc., completed February 23, 1990.
The RRC has issued 2 drilling permits between 1981 and 1990, permitted to 9,200 ft.
Completion filings report one formation top, including Wolfcamp.
No lease production has been reported under this well’s leases.
Operator of record
- Based in
- Midland, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jan 30, 2026
- Permits on file
- 9,293
- Phone
- (866) 212-1212
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Chevron U. S. A. Inc. |
| Production reports | Woodbine Production Corporationthrough Mar 2026 |
| Latest permit | Chevron U. S. A. Inc.Mar 1, 1990 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,200
- total depth, ft
- 2
- permits on file
- Mar 1, 1990
- last permit issued
- Feb 23, 1990
- completed
- 0
- cumulative oil, bbl
- 361K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Feb 23, 1990
- Shut in
- —
- Plugged
- —
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 3 leases this well is completed on; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| State "YK" G-9-138434 | Lin (Wolfcamp) | Woodbine Production Corporation | 1 | 0 | 361K | Jan 1993 – Jul 2026 |
| — O-9-9392 | — | — | 0 | 0 | 0 | — |
| — O-9-12791 | — | — | 0 | 0 | 0 | — |
Gas, mcf lease total
Last 12 months 2,371 · prior 12 1,846(+28%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Rusk Co. Well Service Co., Inc.Jan 1993 → May 2004
- 2Woodbine Production CorporationJun 2004 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 370359-99 | Recompletion | Chevron U. S. A. Inc. | Feb 28, 1990 | Mar 1, 1990 | — | 8,850 |
| 139361-99 | Drill | Gulf Oil Corp. | Nov 3, 1981 | Nov 3, 1981 | — | 9,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-9-138434 | — | — | — | — |
| — | — O-9-9392 | — | — | — | — |
| — | — O-9-12791 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,671 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Wolfcamp | 6,664 | -3,993 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,667 | 6,783 | Perforated |
| 8,708 | 8,814 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,208 | 12.25 | 500 S |
| 8.625 | 1,208 | — | 500 S |
| 2.375 | 8,666 | — | — |
| 5.5 | 8,805 | — | 850 S |
| 5.5 | 8,850 | 5.875 | 850 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 20, 1991 | May 3, 1991 | — |
| 00 | Aug 22, 1991 | — | — |
| 00 | Mar 23, 1990 | Mar 6, 1990 | Yes |
| 00 | Mar 15, 1990 | — | — |
| 00 | Jan 12, 1984 | Feb 25, 1982 | — |
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 42-235-31850 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-235-31850 → 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.
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/23531850, documented in the API reference.