WELL · 42-371-39851 · DISTRICT 8
State Big Tex South 781615-143 #11H
Pecos County · Phantom (Wolfcamp) field · Producing · Horizontal
State Big Tex South 781615-143 #11H (API 42-371-39851) is a horizontal well in Pecos County operated by Swordfish Energy Operating LLC, completed August 4, 2019 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued October 3, 2018, permitted to 15,000 ft.
It was permitted by Jagged Peak Energy LLC and has since transferred to Swordfish Energy Operating LLC on the wellbore schedule.
Completion filings report 10 formation tops, including Toborg, Soma, Rustler, Seven Rivers.
Its lease has reported 464K barrels of oil and 678K mcf of gas since August 2019, last reporting in July 2026.
Operator of record
Swordfish Energy Operating LLC
Permitted by Jagged Peak Energy LLC; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Sep 4, 2025 · 2 permits on file · (281) 371-9035
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Swordfish Energy Operating LLC |
| Production reports | Swordfish Energy Operating, LLCthrough Mar 2026 |
| Latest permit | Jagged Peak Energy LLCOct 3, 2018 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 15,000
- total depth, ft
- 2
- permits on file
- Oct 3, 2018
- last permit issued
- Aug 4, 2019
- completed
- 464K
- cumulative oil, bbl
- 678K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 2019 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Aug 4, 2019
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
31.202409, -102.957817
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Pecos County.
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 |
|---|---|---|---|---|---|---|
| State Big Tex South 781615-143 O-10-52938 | Phantom (Wolfcamp) | Swordfish Energy Operating, LLC | 1 | 464K | 678K | Aug 2019 – Jul 2026 |
Oil, barrels lease total
Last 12 months 32,087 · prior 12 39,913(-20%)
Gas, mcf lease total
Last 12 months 43,438 · prior 12 68,009(-36%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Jagged Peak Energy LLCAug 2019 → Feb 2020
- 2Parsley Energy Operations, LLCMar 2020 → Nov 2020
- 3Pecos River Exploration, LLCDec 2020 → Jun 2025
- 4Swordfish Energy Operating, LLCJul 2025 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 845288-98 | Drill | Jagged Peak Energy LLC | Jan 9, 2019 | Oct 3, 2018 | Mar 28, 2019 | 15,000 |
| 845288-99 | Drill | Jagged Peak Energy LLC | Oct 2, 2018 | Oct 3, 2018 | — | 15,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-52938 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,575 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,292 | 21,085 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 2,217 | 17.5 | 2,415 S |
| 9.625 | 3,201 | 12.25 | 885 S |
| 9.625 | 4,638 | 12.25 | 1,410 S |
| 7.625 | 8,826 | 8.75 | 640 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 | Apr 20, 2021 | Mar 9, 2021 | Yes |
| 00 | May 19, 2020 | Jan 8, 2020 | 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 42-371-39851 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-371-39851 → 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.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
Trees Estate 7742-371-39836
0.8 KM · Rosehill Operating Company, LLC · Section with this well →
| Rustler | 2,237 | 349 |
| Yates | 2,774 | -188 |
| Grayburg | — | |
| O'Brien | — | |
| Queen | — | |
| Seven Rivers | — | |
| Soma | — | |
| Tubb | — |
10 TOPS · FIRST 8
Trees Estate 7742-371-39835
0.8 KM · Rosehill Operating Company, LLC · Section with this well →
| Delaware | 4,720 | -2,134 |
| San Andres | — | |
| Wichita-Albany | — | |
| Waddell | — | |
| Canyon | — | |
| Clear Fork | — | |
| Montoya | — | |
| Permian (undifferentiated) | — |
10 TOPS · FIRST 8
State Big Tex South 7673-842-371-40014
0.9 KM · Jagged Peak Energy LLC · Section with this well →
| Toborg | 430 | 2,137 |
| Soma | 777 | 1,790 |
| Rustler | 1,277 | 1,290 |
| Seven Rivers | 1,577 | 990 |
| Yates | 1,777 | 790 |
| Grayburg | 1,877 | 690 |
| Queen | 2,227 | 340 |
| O'Brien | 2,477 | 90 |
10 TOPS · FIRST 8
Sisters 1742-371-39772
0.9 KM · Rosehill Operating Company, LLC · Section with this well →
| Rustler | 2,138 | 448 |
| Delaware | 4,648 | -2,062 |
| Bone Spring | 7,918 | -5,332 |
| Wolfcamp | 8,786 | -6,200 |
| Toborg | — | |
| O'Brien | — | |
| Grayburg | — | |
| Soma | — |
10 TOPS · FIRST 8
William B. Travis42-371-40371
0.9 KM · Pecos River Exploration, LLC · Section with this well →
| Toborg | 220 | 2,351 |
| Soma | 720 | 1,851 |
| Rustler | 1,220 | 1,351 |
| Seven Rivers | 1,520 | 1,051 |
| Yates | 1,720 | 851 |
| Grayburg | 1,820 | 751 |
| Queen | 2,170 | 401 |
| O'Brien | 2,420 | 151 |
10 TOPS · FIRST 8
William B. Travis42-371-40372
0.9 KM · Pecos River Exploration, LLC · Section with this well →
| Toborg | 220 | 2,351 |
| Soma | 720 | 1,851 |
| Rustler | 1,220 | 1,351 |
| Seven Rivers | 1,520 | 1,051 |
| Yates | 1,720 | 851 |
| Grayburg | 1,820 | 751 |
| Queen | 2,170 | 401 |
| San Andres | 2,420 | 151 |
10 TOPS · FIRST 8
Trees Estate -77-42-371-32667
1.0 KM · Rosehill Operating Company, LLC · Section with this well →
| Rustler | 1,904 | 692 |
| Delaware | 4,485 | -1,889 |
| Cherry Canyon | 5,320 | -2,724 |
| Bone Spring | 7,005 | -4,409 |
| Wolfcamp | 8,958 | -6,362 |
Reed, Elizabeth42-371-33395
1.3 KM · Rosehill Operating Company, LLC · Section with this well →
| Bell Canyon | 4,642 | -2,047 |
| Brushy Canyon | 6,323 | -3,728 |
| Bone Spring | 6,889 | -4,294 |
| Wolfcamp | 8,886 | -6,291 |
| Strawn | 11,150 | -8,555 |
| Barnett | 11,714 | -9,119 |
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/37139851, documented in the API reference.