WELL · 42-115-33213 · DISTRICT 8
Los Ybanez Spraberry Unit #1
Dawson County · Los Ybanez (Spraberry) field · Shut IN · Vertical
Los Ybanez Spraberry Unit #1 (API 42-115-33213) is a well in Dawson County operated by Watusi Energy LLC, completed August 4, 2010 and listed as shut in on the RRC schedule, shut in February 1, 2023.
The RRC has issued one drilling permit, issued August 13, 2007, permitted to 7,760 ft.
It was permitted by Fasken Oil And Ranch, Ltd. and has since transferred to Watusi Energy LLC on the wellbore schedule.
Completion filings report 7 formation tops, including Ruslter, Rustler, Yates, San Andres.
Its 2 leases have reported 775K barrels of oil and 632K mcf of gas since December 2007, last reporting in July 2026. The leases carry 8 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Fasken Oil and Ranch, Ltd.; the EWA schedule now lists a different operator.
- Based in
- Midland, TX
- P-5 status
- Active (A)
- P-5 last filed
- Aug 18, 2025
- Permits on file
- 1
- Phone
- (432) 559-9932
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 Apr 2026 |
| Latest permit | Fasken Oil and Ranch, Ltd.Aug 13, 2007 |
- 7,760
- total depth, ft
- 1
- permits on file
- Aug 13, 2007
- last permit issued
- Aug 4, 2010
- completed
- 775K
- cumulative oil, bbl
- 632K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 2007 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Aug 4, 2010
- Shut in
- Feb 1, 2023
- 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 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 |
|---|---|---|---|---|---|---|
| Los Ybanez Spraberry Unit O-11-69470 | Los Ybanez (Spraberry) | Fasken Oil and Ranch, Ltd. | 7 | 775K | 632K | Feb 2010 – Jul 2026 |
| Eastham "16" O-11-69217 | Los Ybanez (Spraberry) | Fasken Oil and Ranch, Ltd. | 1 | 65 | 44 | Dec 2007 – Mar 2010 |
Oil, barrels lease total
Last 12 months 25,044 · prior 12 29,062(-14%)
Gas, mcf lease total
Last 12 months 9,550 · prior 12 9,508(+0%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Fasken Oil and Ranch, Ltd.Dec 2007 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 643812-99 | Drill | Fasken Oil and Ranch, Ltd. | Aug 3, 2007 | Aug 13, 2007 | Nov 9, 2007 | 8,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Aug 4, 2010 | Los Ybanez Spraberry Unit O-11-69470 | Los Ybanez (Spraberry) | Watusi Energy LLC | Shut IN · shut in Feb 1, 2023 | 7,760 |
| Mar 8, 2008 | Eastham 16 O-11-69217 | Los Ybanez (Spraberry) | Fasken Oil and Ranch Ltd. | Not on Schedule | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,966 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Ruslter | 1,931 | 1,035 |
| Rustler | 1,931 | 1,035 |
| Yates | 2,544 | 422 |
| San Andres | 3,979 | -1,013 |
| Glorieta | 5,141 | -2,175 |
| Clear ForkUPPER CLEAR FORK | 5,447 | -2,481 |
| Clear ForkUPPER CLEARFORK | 5,447 | -2,481 |
| Spraberry | 7,146 | -4,180 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,305 | 7,393 | Perforated |
| 7,436 | 7,549 | Perforated |
| 7,575 | 7,604 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 420 | 17.5 | 475 S |
| 8.625 | 4,186 | 11 | 1,450 S |
| 8.625 | 4,189 | 11 | 1,450 S |
| 5.5 | 7,754 | 7.875 | 425 S |
| 5.5 | — | 7.875 | 300 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 22, 2010 | Sep 1, 2010 | — |
| 00 | Feb 17, 2010 | Apr 18, 2008 | — |
| 00 | Oct 2, 2008 | Apr 18, 2008 | — |
| 00 | Apr 8, 2008 | Feb 11, 2008 | Yes |
| 00 | Mar 25, 2008 | — | — |
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 42-115-33213 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-115-33213 → 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
- 0
- bbl, all reported
- —
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000099533 | H-1 Injection | Not activated | 750 | 2,500 | 7,550–7,630 |
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/11533213, documented in the API reference.