WELL · 42-115-33308 · DISTRICT 8
Los Ybanez Spraberry Unit #303
Dawson County · Los Ybanez (Spraberry) field · Injection · Vertical
Los Ybanez Spraberry Unit #303 (API 42-115-33308) is a well in Dawson County operated by Watusi Energy LLC, completed August 19, 2021 and listed as injection on the RRC schedule.
The RRC has issued one drilling permit, issued March 24, 2010, permitted to 8,200 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 5 formation tops, including Rustler, Yates, San Andres, Glorieta.
Its lease has reported 775K barrels of oil and 632K mcf of gas since February 2010, last reporting in July 2026. The lease carries 7 wells, so these are lease totals, not this well alone.
It holds an active disposal or injection permit, with 115K barrels injected in the 12 months reported through August 2025.
Operator of record
Permitted by Fasken Oil and Ranch, Ltd.; the EWA schedule now lists a different operator.
Midland, TX · P-5 Y, filed Jul 4, 2026 · 1 permits on file · (432) 559-9932
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Watusi Energy LLC |
| Production reports | Fasken Oil and Ranch, Ltd.through Apr 2026 |
| Latest permit | Fasken Oil and Ranch, Ltd.Mar 24, 2010 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,200
- total depth, ft
- 1
- permits on file
- Mar 24, 2010
- last permit issued
- Aug 19, 2021
- completed
- 775K
- cumulative oil, bbl
- 632K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 2010 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Aug 19, 2021
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
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; they carry 7 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 |
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.Feb 2010 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 693271-99 | Drill | Fasken Oil and Ranch, Ltd. | Mar 22, 2010 | Mar 24, 2010 | Apr 21, 2010 | 8,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-11-69470 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,962 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Rustler | 1,926 | 1,036 |
| Yates | 2,561 | 401 |
| San Andres | 3,986 | -1,024 |
| Glorieta | 5,163 | -2,201 |
| Spraberry | 7,097 | -4,135 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,556 | 7,582 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 465 | 17.5 | 350 S |
| 8.625 | 4,195 | 11 | 1,250 S |
| 5.5 | 7,777 | 7.875 | 800 S |
| 5.5 | — | 7.875 | 350 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 | Mar 28, 2022 | Jan 31, 2022 | — |
| 00 | Mar 6, 2012 | Nov 7, 2011 | — |
| 00 | Sep 16, 2010 | Jun 16, 2010 | Yes |
| 00 | Sep 9, 2010 | — | — |
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 42-115-33308 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-115-33308 → 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
- 115K
- bbl, last 12 reported months
- 1.44M
- bbl, all reported
- Aug 2025
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000103094 | H-1 Injection | Active | 1,000 | 2,500 | 7,536–7,602 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 115,305 · prior 12 118,436(-3%)
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/11533308, documented in the API reference.