WELL · 42-461-39447 · DISTRICT 7
Jacee D Unit #4H
Upton County · Spraberry (Trend Area) field · Producing · Horizontal
Jacee D Unit #4H (API 42-461-39447) is a horizontal well in Upton County operated by Saxum Opco LLC, completed July 17, 2016 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued June 7, 2014, permitted to 10,000 ft.
It was permitted by Diamondback E&P LLC and has since transferred to Saxum Opco LLC on the wellbore schedule.
Completion filings report 10 formation tops, including Yates, Grayburg, San Andres, Spraberry.
Its lease has reported 208K barrels of oil and 2.55M mcf of gas since October 2014, last reporting in July 2026.
Operator of record
Permitted by Diamondback E&P LLC; the EWA schedule now lists a different operator.
Dallas, TX · P-5 Y, filed Jul 4, 2026 · 8 permits on file · (432) 901-1082
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Saxum Opco LLC |
| Production reports | Saxum Opco, LLCthrough Apr 2026 |
| Latest permit | Diamondback E&P LLCJun 7, 2014 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,000
- total depth, ft
- 1
- permits on file
- Jun 7, 2014
- last permit issued
- Jul 17, 2016
- completed
- 208K
- cumulative oil, bbl
- 2.55M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Oct 2014 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jul 17, 2016
- 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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Jacee D Unit O-9-18851 | Spraberry (Trend Area) | Saxum Opco, LLC | 1 | 208K | 2.55M | Oct 2014 – Jul 2026 |
Gas, mcf lease total
Last 12 months 265,356 · prior 12 267,421(-1%)
Oil, barrels lease total
Last 12 months 6,223 · prior 12 8,196(-24%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Diamondback E&P LLCJul 2016 → May 2021
- 2Zarvona Energy LLCJun 2021 → Sep 2025
- 3Saxum Opco, LLCOct 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 785421-99 | Drill | Diamondback E&P LLC | Apr 24, 2014 | Jun 7, 2014 | Aug 19, 2014 | 10,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-18851 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,662 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 2,370 | 292 |
| Grayburg | 3,674 | -1,012 |
| San AndresSAN ANDRES - SALTWATER FLOW | 3,835 | -1,173 |
| Grayburg | 3,870 | -1,208 |
| San AndresSAN ANDRES - SALTWATER FLOW | 4,370 | -1,708 |
| Spraberry | 7,127 | -4,465 |
| Spraberry | 7,630 | -4,968 |
| Dean | 8,331 | -5,669 |
| Wolfcamp | 8,420 | -5,758 |
| Wolfcamp | 8,427 | -5,765 |
| Devonian | — | — |
| Ellenburger | — | — |
| Fusselman | — | — |
| Strawn | — | — |
| Yates | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,928 | 19,181 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 577 | 17.5 | 770 S |
| 13.375 | 578 | 17.5 | 770 S |
| 9.625 | 8,245 | 12.25 | 2,225 S |
| 5.5 | 19,371 | 8.5 | 3,283 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 | Feb 23, 2017 | Dec 6, 2016 | Yes |
| 00 | Apr 16, 2015 | Mar 6, 2015 | Yes |
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 42-461-39447 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-39447 → 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/46139447, documented in the API reference.