TEXAS · WELLS · DAWSON COUNTY · API 42-115-31444 · DISTRICT 7B
Spraberry Deep Unit #621I
Dawson County · Spraberry Deep field · Vertical
Spraberry Deep Unit #621I (API 42-115-31444) is a plugged well in Dawson County, plugged August 14, 2021, last operated by JO Mill Oil Company LLC.
The RRC has issued 2 drilling permits in 1980, permitted to 7,730 ft.
It was permitted by Texaco Inc. and has since transferred to JO Mill Oil Company LLC on the wellbore schedule.
Completion filings report one formation top, including Spraberry.
Its 2 leases have reported 3.23M barrels of oil and 1.28M mcf of gas since January 1993, last reporting in July 2026. The leases carry 71 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Texaco Inc.; the EWA schedule now lists a different operator.
- Based in
- Fort Worth, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jun 30, 2026
- Phone
- (817) 263-3500
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | JO Mill Oil Company LLC |
| Production reports | JO Mill Oil Company LLCthrough Apr 2026 |
| Latest permit | Texaco Inc.Nov 21, 1980 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,730
- total depth, ft
- 2
- permits on file
- Nov 21, 1980
- last permit issued
- Mar 10, 2000
- completed
- 3.23M
- cumulative oil, bbl
- 1.28M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Mar 10, 2000
- Shut in
- —
- Plugged
- Aug 14, 2021
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 71 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Spraberry Deep Unit O-11-6258 | Spraberry, Deep | JO Mill Oil Company LLC | 54 | 1.25M | 342K | Jan 1993 – Jul 2026 |
| Shafer, C. W. Account 2 O-11-11834 | Spraberry, Deep (Spraberry, Lo.) | JO Mill Oil Company LLC | 17 | 1.98M | 933K | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 20,987 · prior 12 21,245(-1%)
Gas, mcf lease total
Last 12 months 0 · prior 12 0
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Texaco E & P Inc.Jan 1993 → May 2002
- 2Chevron U. S. A. Inc.Jun 2002 → Sep 2020
- 3JO Mill Oil Company LLCOct 2020 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 100132-99 | Drill | Texaco Inc. | Nov 21, 1980 | Nov 21, 1980 | Nov 29, 1980 | 7,730 |
| 100131-99 | Drill | Texaco Inc. | Nov 21, 1980 | Nov 21, 1980 | Dec 6, 1980 | 7,730 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Mar 10, 2000 | Spraberry Deep Unit O-11-6258 | Spraberry Deep | JO Mill Oil Company LLC | Plugged | — |
| Dec 23, 1980 | Shafer C. W. Account 2 O-11-11834 | Spraberry Deep (Spraberry Lo.) | JO Mill Oil Company LLC | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,902 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,614 | 6,820 | Perforated |
| 7,197 | 7,597 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 382 | 17.5 | 400 S |
| 9.625 | 3,950 | 12.5 | 2,570 S |
| 9.625 | 3,952 | 12.5 | 2,570 S |
| 7 | 7,724 | 8.625 | 1,372 S |
| 7 | 7,730 | 8.75 | 1,372 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 24, 2001 | Apr 27, 2000 | — |
| 00 | Mar 15, 1995 | Jan 19, 1995 | — |
| 00 | Mar 13, 1984 | May 27, 1983 | — |
| 00 | Mar 12, 1984 | May 27, 1982 | — |
| 00 | Feb 25, 1984 | May 27, 1983 | — |
| 00 | Feb 25, 1984 | May 27, 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 42-115-31444 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-115-31444 → 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
- 5.81M
- bbl, all reported
- Aug 2021
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000048996 | H-1 Injection | Plugged Aug 23, 2021 | 1,200 | 3,500 | 7,197–7,597 |
| 000049195 | H-1 Injection | Plugged Aug 23, 2021 | 1,200 | 3,235 | 6,614–6,815 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 0 · prior 12 81,536(-100%)
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/11531444, documented in the API reference.