WELL · 42-427-32707 · DISTRICT 4

Walker Billy L. #2

Y

Starr County · Arroyo Los Olmos (Yegua 25) field · Producing  · Vertical

Walker Billy L. #2 (API 42-427-32707) is a well in Starr County operated by Mortimer Production Company, completed January 18, 1995 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued October 12, 1994, permitted to 6,100 ft.

It was permitted by Mortimer Exploration Company and has since transferred to Mortimer Production Company on the wellbore schedule.

Completion filings report one formation top, including Yegua.

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

Operator of record

Mortimer Production Company

Permitted by Mortimer Exploration Company; the EWA schedule now lists a different operator.

San Antonio, TX · P-5 Active, filed Sep 12, 2025 · 53 permits on file · (210) 821-6168

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleMortimer Production Company
Production reportsMortimer Production Companythrough Apr 2026
Latest permitMortimer Exploration CompanyOct 12, 1994

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

6,100
total depth, ft
1
permits on file
Oct 12, 1994
last permit issued
Jan 18, 1995
completed
0
cumulative oil, bbl
3.76M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1995 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jan 18, 1995
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

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 lease this well is completed on; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Walker, Billy L. G-4-153063Arroyo Los Olmos (Yegua 25)Mortimer Production Company103.76MJan 1995 – Jul 2026

Gas, mcf lease total

Last 12 months 35,510 · prior 12 33,493(+6%)

02K4K6K202420252026

Chain of custody

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

  1. 1Mortimer Exploration CompanyJan 1995 → Sep 2003
  2. 2Mortimer Production CompanyOct 2003 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
428901-99DrillMortimer Exploration CompanyOct 10, 1994Oct 12, 1994Nov 18, 19946,100

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-4-153063————

Formation tops

As filed on W-2/G-1. Subsea from 178 ft elevation.Download CSV →

FormationMD ftSubsea
Yegua3,595-3,417

Perforations

Perforated and open-hole intervals.

FromToType
5,2845,320Perforated
5,3345,350Perforated
5,3615,369Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.62551212.2555 S
74,4158.75230 S
4.56,0176.125270 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
00Apr 6, 1995Feb 7, 1995Yes
00Mar 7, 1995——

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/42732707, documented in the API reference.