WELL · 42-435-35537 · DISTRICT 7

Thomson C #7

Sutton County · Sawyer (Leonard) field · Shut IN · Vertical

Thomson C #7 (API 42-435-35537) is a well in Sutton County operated by Upp Operating LLC, completed January 23, 2020 and listed as shut in on the RRC schedule.

The RRC has issued 2 drilling permits between 2001 and 2019, permitted to 6,262 ft.

Completion filings report 4 formation tops, including Base Cretaceous (marker), Sawyer (Leonard), Wolfcamp, Canyon.

No lease production has been reported under this well’s leases.

Operator of record

Upp Operating LLC

Houston, TX · P-5 Y, filed Dec 4, 2025 · 33 permits on file · (817) 389-2729

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedule	Upp Operating LLC
Production reports	Upp Operating, LLCthrough Feb 2020
Latest permit	Upp Operating, LLCDec 30, 2019

6,262: total depth, ft
2: permits on file
Dec 30, 2019: last permit issued
Jan 23, 2020: completed
0: cumulative oil, bbl
39K: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jul 2001 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule: ON SCHEDULE
Completed: Jan 23, 2020
Shut in: —
Plugged: —

Operator's P-5 on the schedule: Active

Surface location

30.654009, -100.559119

OpenStreetMap → · Google Maps →

Permit surface location from the RRC GIS record, in Sutton County.

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 2 wells in total, so volumes are shared.Why →

Lease	Field	Reporting operator	Wells	Oil, bbl	Gas, mcf	Reported
Thomson "C" G-9-186714	Fawcett (Wolfcamp)	Upp Operating, LLC	1	0	39K	Jul 2001 – Jul 2026
Thomson "C" G-9-290007	Sawyer (Leonard)	Upp Operating, LLC	1	0	0	Jan 2020 – Jul 2026

No volumes reported on these leases in the last three years.

Chain of custody

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

1Dominion Oklahoma Texas E&P, IncAug 2001 → Jun 2003
2Highmount Expl & Prod Texas LLCOct 2011 → Feb 2014
3Enervest Operating, L.L.C.Oct 2014 → Mar 2019
4Upp Operating, LLCApr 2019 → Feb 2020

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
860169-99	Recompletion	Upp Operating, LLC	Dec 18, 2019	Dec 30, 2019	Jan 13, 2020	6,262
510242-99	Drill	Dreyfus, Louis Natural Gas Corp	Jun 13, 2001	Jun 13, 2001	Jul 2, 2001	6,250

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— G-9-186714	—	—	—	—
—	— G-9-290007	—	—	—	—

Formation tops

As filed on W-2/G-1. Subsea from 2,812 ft elevation.Download CSV →

Formation	MD ft	Subsea
Base Cretaceous (marker)BASE CRETACEOUS	742	2,070
Sawyer (Leonard)	2,150	662
Wolfcamp	2,812	0
Canyon	5,132	-2,320

Perforations

Perforated and open-hole intervals.

From	To	Type
2,167	2,292	Perforated
4,762	4,766	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
8.625	1,216	11	240 S
4.5	6,220	7.875	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 →

Filed	W-2 / G-1 date	Logs referenced
Oct 12, 2020	Dec 19, 2019	—
Feb 28, 2002	Jan 2, 2002	Yes
Feb 6, 2002	—	—

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 42-435-35537 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-435-35537 → 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 7 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 →

Steen42-435-37977

3.8 KM · Upp Operating, LLC · Section with this well →

Base Cretaceous (marker)	768	1,539
Wolfcamp	2,949	-642
Canyon	5,345	-3,038

Davis F42-435-37823

8.0 KM · Upp Operating, LLC · Section with this well →

Base Cretaceous (marker)	817	1,464
Wolfcamp	2,955	-674
Canyon	5,378	-3,097

Florence 2842-435-32742

8.3 KM · Tug Hill Operating, LLC · Section with this well →

Leonard	1,820	528
Wolfcamp	3,313	-965
Canyon	5,468	-3,120
Strawn	6,012	-3,664

Davis 'A'42-435-36343

8.7 KM · Upp Operating, LLC · Section with this well →

Base Cretaceous (marker)	680	1,486
Wolfcamp	2,966	-800
Canyon	5,276	-3,110

Deberry A42-435-36225

13.9 KM · Upp Operating, LLC · Section with this well →

Cretaceous	815	1,509
Base Cretaceous (marker)	815	1,509
Base Cretaceous (marker)	815	1,509
Leonard	1,050	1,274
Sawyer (Leonard)	1,656	668
Sawyer (Leoonard)	1,656	668
Wolfcamp	3,300	-976
Canyon	5,400	-3,076

10 TOPS · FIRST 8

Fields 2142-435-35685

15.3 KM · Upp Operating, LLC · Section with this well →

Base Cretaceous (marker)	750	1,410
Wolfcamp	2,650	-490
Canyon	5,170	-3,010

Fields 1442-435-35618

15.7 KM · Upp Operating, LLC · Section with this well →

Base Cretaceous (marker)	820	1,407
Wolfcamp	2,550	-323
Canyon	4,856	-2,629

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/43535537, documented in the API reference.