WELL · 42-003-35310 · DISTRICT 8
Serio (Grayburg)unit #1929
Andrews County · Serio (Grayburg) field · Vertical
Serio (Grayburg)Unit #1929 (API 42-003-35310) is a well in Andrews County operated by Fasken Oil And Ranch Ltd., completed December 21, 1985.
The RRC has issued one drilling permit, issued November 19, 1985, permitted to 5,500 ft.
It was permitted by Fasken, David & Inez G. and has since transferred to Fasken Oil And Ranch Ltd. on the wellbore schedule.
Completion filings report 4 formation tops, including Santa Rosa, Rustler, Yates, Grayburg.
Its 2 leases have reported 2.97M barrels of oil and 369K mcf of gas since January 1993, last reporting in July 2026. The leases carry 86 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Fasken, David & Inez G.; the EWA schedule now lists a different operator.
Midland, TX · P-5 Y, filed Sep 4, 2025 · 2,057 permits on file · (432) 687-1777
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Fasken Oil and Ranch Ltd. |
| Production reports | Fasken Oil and Ranch, Ltd.through Mar 2026 |
| Latest permit | Fasken, David & Inez G.Nov 19, 1985 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,500
- total depth, ft
- 1
- permits on file
- Nov 19, 1985
- last permit issued
- Dec 21, 1985
- completed
- 2.97M
- cumulative oil, bbl
- 369K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 21, 1985
- 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 2 leases this well is completed on; they carry 86 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Fee -Y- O-10-23655 | Serio (Grayburg) | Fasken Oil and Ranch, Ltd. | 34 | 1.43M | 210K | Jan 1993 – Jul 2026 |
| Serio (Grayburg)unit O-10-37270 | Serio (Grayburg) | Fasken Oil and Ranch, Ltd. | 52 | 1.54M | 159K | May 2004 – Jul 2026 |
Oil, barrels lease total
Last 12 months 41,779 · prior 12 43,175(-3%)
Gas, mcf lease total
Last 12 months 3,960 · prior 12 3,860(+3%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Fasken, BarbaraJan 1993 → Dec 1995
- 2Fasken Oil and Ranch, Ltd.Jan 1996 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 290915-99 | Drill | Fasken, David & Inez G. | Nov 18, 1985 | Nov 19, 1985 | Dec 2, 1985 | 5,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-23655 | — | — | — | — |
| — | — O-10-37270 | — | — | — | — |
| — | — O-10-37270 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,928 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Santa Rosa | 1,170 | 1,758 |
| Rustler | 1,903 | 1,025 |
| Yates | 2,985 | -57 |
| Grayburg | 4,454 | -1,526 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,786 | 4,814 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,663 | 12.25 | 850 S |
| 5.5 | 5,004 | 7.875 | 1,075 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 | Jun 25, 2004 | Jan 7, 1986 | Yes |
| 00 | Jun 22, 2004 | Jan 7, 1986 | Yes |
| 00 | Jan 23, 1986 | Jan 7, 1986 | Yes |
| 00 | Jan 14, 1986 | — | — |
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 42-003-35310 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-003-35310 → 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/00335310, documented in the API reference.