WELL · 42-399-35604 · DISTRICT 7

Cisco #2

Runnels County · Fennell (Cisco Reef) field · Producing · Vertical

Cisco #2 (API 42-399-35604) is a well in Runnels County operated by Byrne Oil Company, completed February 15, 2023 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued May 5, 2022, permitted to 4,000 ft.

Completion filings report 7 formation tops, including Coleman Junction, King, Cisco, Cambrian.

Its lease has reported 4.38K barrels of oil since January 2022, last reporting in July 2026. The lease carries 2 wells, so these are lease totals, not this well alone.

Operator of record

Byrne Oil Company

Lubbock, TX · P-5 Y, filed Sep 4, 2025 · 42 permits on file · (254) 488-1053

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedule	Byrne Oil Company
Production reports	Byrne Oil Companythrough Mar 2026
Latest permit	Byrne Oil CompanyMay 5, 2022

4,000: total depth, ft
1: permits on file
May 5, 2022: last permit issued
Feb 15, 2023: completed
4.38K: cumulative oil, bbl
0: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 2022 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule: ON SCHEDULE
Completed: Feb 15, 2023
Shut in: —
Plugged: —

Operator's P-5 on the schedule: Active

Surface location

31.956205, -100.053782

OpenStreetMap → · Google Maps →

Permit surface location from the RRC GIS record, in Runnels 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; they carry 2 wells in total, so volumes are shared.Why →

Lease	Field	Reporting operator	Wells	Oil, bbl	Gas, mcf	Reported
Cisco O-9-21564	Fennell (Cisco Reef)	Byrne Oil Company	2	4.38K	0	Jan 2022 – Jul 2026

Oil, barrels lease total

Last 12 months 445 · prior 12 208(+114%)

Chain of custody

Every operator that reported production on this well's lease, in order.

1Byrne Oil CompanyJan 2022 → Mar 2026

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
879580-99	Drill	Byrne Oil Company	Apr 28, 2022	May 5, 2022	May 31, 2022	4,000

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— O-9-21564	—	—	—	—

Formation tops

As filed on W-2/G-1. Subsea from 1,946 ft elevation.Download CSV →

Formation	MD ft	Subsea
Coleman JunctionCOLEMAN JUNCTION - POSSIBLE WATE	1,628	318
King	2,804	-858
Cisco	2,939	-993
Cambrian	—	—
Canyon	—	—
Problem Zone - 5 Mile Radius Aro	—	—
Strawn	—	—

Perforations

Perforated and open-hole intervals.

From	To	Type
2,939	2,942	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
8.625	163	12.25	110 S
5.5	3,145	7.625	520 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	Sep 17, 2024	Aug 19, 2024	Yes
00	Mar 13, 2023	Feb 23, 2023	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 42-399-35604 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-399-35604 → scanned completion filings

Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). 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.

Open the cross-section →

Jenni42-399-35623

0.3 KM · Byrne Oil Company · Section with this well →

Coleman Junction	1,645	302
King	2,821	-874
Cisco	2,871	-924
Capps	4,214	-2,267
Problem Zone - 5 Mile Radius Aro	—
Cambrian	—
Canyon	—
Strawn	—

Delores42-399-35613

0.6 KM · Golden Oil and Ranch, LLC · Section with this well →

Coleman Junction	1,750	195
King	2,870	-925
Cisco	2,920	-975
Canyon	3,100	-1,155
Strawn	4,240	-2,295
Jennings	4,498	-2,553
Cambrian	—
Problem Zone - 5 Mile Radius Aro	—

Mechele42-399-34551

0.7 KM · Sha-Jam Operating Corp. · Section with this well →

Coleman Junction	1,460	485
Stray Sand Cisco	2,721	-776
King	2,748	-803
Cisco	2,810	-865
Canyon	3,210	-1,265
Problem Zone - 5 Mile Radius Aro	—
Strawn	—
Cambrian	—

Fennell42-399-35611

0.8 KM · Cedar Oil Company · Section with this well →

King	2,726	-778
Cisco	2,842	-894
Strawn	—
Problem Zone - 5 Mile Radius Aro	—
Coleman Junction	—
Cambrian	—
Canyon	—

Goodernst42-399-35598

1.8 KM · Enrich Oil Corporation · Section with this well →

Coleman Junction	1,500	414
Problem Zone - 5 Mile Radius Aro	1,500	414
King	2,840	-926
Cisco	3,050	-1,136
Canyon	3,420	-1,506
Strawn	4,100	-2,186
Jennings	4,397	-2,483
Cambrian	—

Shirley 'A'42-399-35591

1.8 KM · Cedar Oil Company · Section with this well →

King	2,005	-65
Canyon	3,405	-1,465
Cisco	3,605	-1,665
Strawn	4,197	-2,257
Problem Zone - 5 Mile Radius Aro	—
Coleman Junction	—
Cambrian	—

Richard42-399-35323

1.9 KM · Gaedeke Oil & Gas Operating, LLC · Section with this well →

Wolfcamp	1,705	241
King	2,000	-54
Canyon	3,400	-1,454
Cisco	3,600	-1,654
Strawn	4,196	-2,250
Goen	4,406	-2,460
Gardner Lime	4,608	-2,662
Garnder Lime	4,608	-2,662

11 TOPS · FIRST 8

Shirley42-399-35583

2.0 KM · Cedar Oil Company · Section with this well →

King	2,000	-65
Canyon	3,400	-1,465
Cisco	3,600	-1,665
Strawn	4,192	-2,257
Problem Zone - 5 Mile Radius Aro	—
Cambrian	—
Coleman Junction	—

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/39935604, documented in the API reference.