TEXAS · WELLS · DE WITT COUNTY · API 42-123-33099 · DISTRICT 02

S. Wallis Unit A #1MW

Shut in

De Witt County · De Witt (Eagle Ford Shale) field · Observation  · Directional

S. Wallis Unit A #1MW (API 42-123-33099) is a well in De Witt County operated by Burlington Resources O & G CO LP, completed May 21, 2013 and listed as observation on the RRC schedule, shut in February 1, 2026.

The RRC has issued 2 drilling permits between 2013 and 2014, permitted to 12,920 ft.

Completion filings report 3 formation tops, including Pecan Gap, Austin Chalk, Eagle Ford.

Its 2 leases have reported 1.44M barrels of oil and 4.96M mcf of gas since May 2013, last reporting in July 2026. The leases carry 6 wells, so these are lease totals, not this well alone.

Operator of record

Burlington Resources O & G Co LP

Based in
Houston, TX
P-5 status
Active (A)
P-5 last filed
Oct 30, 2025
Permits on file
5,133
Phone
(832) 486-2737

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleBurlington Resources O & G Co LP
Production reportsBurlington Resources O & G Co LPthrough Apr 2026
Latest permitBurlington Resources O & G Co LPNov 19, 2014
12,920
total depth, ft
2
permits on file
Nov 19, 2014
last permit issued
May 21, 2013
completed
1.44M
cumulative oil, bbl
4.96M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · May 2013 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
May 21, 2013
Shut in
Feb 1, 2026
Plugged
—

Operator's P-5 on the schedule: Active – Extension (X)

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 2 leases this well is completed on; they carry 6 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
S. Wallis Unit A O-2-10863De Witt (Eagle Ford Shale)Burlington Resources O & G Co LP51.44M4.96MJun 2013 – Jul 2026
S. Wallis Unit A O-2-10660Eagleville (Eagle Ford-2)Burlington Resources O & G Co LP100May 2013 – Jul 2015

Oil, barrels lease total

Last 12 months 16,326 · prior 12 17,982(-9%)

01K2K3K202420252026

Gas, mcf lease total

Last 12 months 57,760 · prior 12 67,920(-15%)

05K10K15K202420252026

Chain of custody

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

  1. 1Burlington Resources O & G Co LPMar 2014 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
800374-99Field transferBurlington Resources O & G Co LPNov 18, 2014Nov 19, 2014May 1, 201317,000
758452-99DrillBurlington Resources O & G Co LPMar 12, 2013Mar 14, 2013May 1, 201317,000

Completions

CompletedLeaseFieldOperatorStatusDepth
May 21, 2013S. Wallis Unit A O-2-10863De Witt (Eagle Ford Shale)Burlington Resources O & G Co LPObservation · shut in Feb 1, 202612,920
May 21, 2013S. Wallis Unit A O-2-10660Eagleville (Eagle Ford-2)Burlington Resources O & G Co LPNot on Schedule—

Formation tops

As filed on W-2/G-1. Subsea from 356 ft elevation.Download CSV →

FormationMD ftSubsea
Pecan Gap12,351-11,995
Austin Chalk12,568-12,212
Eagle Ford12,992-12,636

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6254,16012.251,310 S
5.513,3168.75935 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
00Jul 16, 2015Dec 2, 2014Yes
00Jan 2, 2014Sep 17, 2013Yes

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.

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/12333099, documented in the API reference.