TEXAS · WELLS · BORDEN COUNTY · JO-MILL UNIT LEASE · API 42-033-31917 · DISTRICT 7B
JO-Mill Unit #6328
Borden County · JO-Mill (Spraberry) field · Producing · Vertical
JO-Mill Unit #6328 (API 42-033-31917) is a well in Borden County operated by JO Mill Oil Company LLC, completed September 23, 2004 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued August 19, 2004, permitted to 7,637 ft.
It was permitted by Chevron U. S. A. Inc. and has since transferred to JO Mill Oil Company LLC on the wellbore schedule.
Completion filings report 5 formation tops, including Rustler, Yates, San Andres, Clear Fork.
Its lease has reported 46.1M barrels of oil and 22.1M mcf of gas since January 1993, last reporting volume in April 2026. The lease carries 487 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Chevron U. S. A. 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 | Chevron U. S. A. Inc.Aug 19, 2004 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,637
- total depth, ft
- 1
- permits on file
- Aug 19, 2004
- last permit issued
- Sep 23, 2004
- completed
- 46.1M
- cumulative oil, bbl
- 22.1M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Apr 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Sep 23, 2004
- Shut in
- —
- 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 lease this well is completed on; they carry 487 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| JO-Mill Unit O-11-60465 | JO-Mill (Spraberry) | JO Mill Oil Company LLC | 487 | 46.1M | 22.1M | Jan 1993 – Apr 2026 |
Oil, barrels lease total
Last 12 months 584,168 · prior 12 643,391(-9%)
Gas, mcf lease total
Last 12 months 187,841 · prior 12 186,435(+1%)
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 |
|---|---|---|---|---|---|---|
| 549663-99 | Drill | Chevron U. S. A. Inc. | Aug 17, 2004 | Aug 19, 2004 | Aug 30, 2004 | 9,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Sep 23, 2004 | JO-Mill Unit O-11-60465 | JO-Mill (Spraberry) | JO Mill Oil Company LLC | Producing | 7,637 |
Formation tops
As filed on W-2/G-1. Subsea from 2,658 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Rustler | 1,330 | 1,328 |
| Yates | 1,888 | 770 |
| San Andres | 3,340 | -682 |
| Clear ForkCLEARFORK | 6,203 | -3,545 |
| SpraberryBASE OF SPRABERRY | 7,390 | -4,732 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,352 | 7,390 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 11.75 | 283 | 14.75 | 250 S |
| 8.625 | 4,403 | 11 | 1,300 S |
| 5.5 | 7,623 | 7.875 | 900 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Dec 29, 2004 | Oct 13, 2004 | Yes |
| 00 | Nov 5, 2004 | — | — |
Well logs
The RRC's map lists this well among those with logs online. Its monthly inventories loaded here, which start in July 2006, list none for it, so none are itemized.
Open the RRC's log search for this well ↗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 42-033-31917 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-033-31917 → scanned completion filings
The logs loaded for this well are under Well logs, with the RRC's log search for it.
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/03331917, documented in the API reference.