WELL · 42-331-33474 · DISTRICT 1

Underwood #10

Y

Milam County · W.C. Finch (Simsboro 1900) field · Producing  · Vertical

Underwood #10 (API 42-331-33474) is a well in Milam County operated by Sheldon Resources L.P., completed November 7, 1998 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued January 17, 1997, permitted to 2,000 ft.

Completion filings report one formation top, including Wilcox.

Its lease has reported 366K barrels of oil and 2.94K mcf of gas since January 1993, last reporting in July 2026. The lease carries 14 wells, so these are lease totals, not this well alone.

Operator of record

Sheldon Resources L.P.

Bryan, TX · P-5 Y, filed Mar 4, 2026 · 4 permits on file · (214) 728-0591

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleSheldon Resources L.P.
Production reportsSheldon Resources, L.P.through Apr 2026
Latest permitHeartland Resources, Inc.Jan 17, 1997

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

2,000
total depth, ft
2
permits on file
Jan 17, 1997
last permit issued
Nov 7, 1998
completed
366K
cumulative oil, bbl
2.94K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Nov 7, 1998
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

Surface location

30.582730, -96.923897

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Milam 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 14 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Underwood O-1-11691W.C. Finch (Simsboro 1900)Sheldon Resources, L.P.14366K2.94KJan 1993 – Jul 2026

Oil, barrels lease total

Last 12 months 2,972 · prior 12 3,633(-18%)

0200400600202420252026

Chain of custody

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

  1. 13R-B Oil VentureJan 1993 → Dec 1995
  2. 2Heartland Resources, Inc.Jan 1996 → Oct 2006
  3. 3Three Forks Operating Co, LLCNov 2006 → Sep 2017
  4. 4Sheldon Resources, L.P.Oct 2017 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
457375-98DrillSheldon Resources, L.P.Jan 25, 2018Jan 17, 1997Oct 12, 19982,000
457375-99DrillHeartland Resources, Inc.Jan 15, 1997Jan 17, 1997Oct 12, 19982,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-1-11691————

Formation tops

As filed on W-2/G-1. Download CSV →

FormationMD ft
Wilcox2,000

Perforations

Perforated and open-hole intervals.

FromToType
1,8961,902Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
4.52,0007.875380 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00Jan 7, 1999Dec 9, 1998Yes
00Dec 22, 1998——

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.

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 →

Underwood42-331-35005

0.0 KM · Sheldon Resources, L.P. · Section with this well →

Edwards—
Navarro—

Underwood42-331-35008

0.0 KM · Sheldon Resources, L.P. · Section with this well →

Edwards—
Navarro—

C.M. Rackel42-331-35092

1.1 KM · Hamman Oil & Refining Company · Section with this well →

Massive Wilcox1,466-1,030
W-12,606-2,170
W-22,644-2,208
Navarro—
Edwards—

Cotton Unit42-051-34330

1.4 KM · Hamman Oil & Refining Company · Section with this well →

Wilcox2,570-2,134
Poth - Disposal2,650-2,214
Austin Chalk—
Edwards—

Earl Schneebeli42-331-35072

2.0 KM · Sellers Lease Service, Inc. · Section with this well →

Navarro—
Edwards—

Lumpkins, Glen B.42-331-33168

3.1 KM · Sellers Lease Service, Inc. · Section with this well →

Poth1,996-1,556
Midway2,100-1,660
Navarro2,803-2,363
Navarro2,803-2,363
Navarro2,966-2,526
Navarro—
Edwards—

Glen Lumpkins42-331-35114

3.1 KM · Sellers Lease Service, Inc. · Section with this well →

Edwards—
Navarro—

Gilliam42-331-35128

3.2 KM · Sellers Lease Service, Inc. · Section with this well →

Simsboro1,100-659
Midway2,000-1,559
Edwards—
Navarro—

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

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