WELL · 42-499-31110 · DISTRICT 6

Foster Mary Lou #1

N

Wood County · Yantis (Hill Zone) field  · Vertical

Foster Mary Lou #1 (API 42-499-31110) is a well in Wood County operated by Valence Operating Company, completed August 1, 2001.

The RRC has issued 2 drilling permits between 1982 and 2000, permitted to 8,800 ft.

Completion filings report 5 formation tops, including Bma Bacon Lim, Bma Bacon Lime, Hill, Bird.

Its 3 leases have reported 51K barrels of oil and 359K mcf of gas since January 1993, last reporting in July 2026. The leases carry 3 wells, so these are lease totals, not this well alone.

Operator of record

Valence Operating Company

Based in
Kingwood, TX
P-5 status
Active (A)
P-5 last filed
Jun 4, 2026
Permits on file
990
Phone
(281) 359-3659

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleValence Operating Company
Production reportsValence Operating Companythrough May 2024
Latest permitValence Operating CompanyDec 13, 2000
8,800
total depth, ft
2
permits on file
Dec 13, 2000
last permit issued
Aug 1, 2001
completed
51K
cumulative oil, bbl
359K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Aug 1, 2001
Shut in
—
Plugged
—

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 3 leases this well is completed on; they carry 3 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Foster, Mary Lou G-6-104188Yantis (Heard, Up.)Valence Operating Company1078.3KJan 1993 – Jul 2026
Foster, Mary Lou O-5-3999Como (Rodessa Hill, Lo.)Valence Operating Company113.3K93.8KFeb 2013 – Jul 2026
Foster, Mary Lou O-6-14113Yantis (Hill Zone)Valence Operating Company137.7K187KAug 2001 – Jul 2013

Oil, barrels lease total

Last 12 months 0 · prior 12 1(-100%)

01202420252026

Chain of custody

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

  1. 1Schlachter, David A.Jan 1993 → Apr 1999
  2. 2Schlachter, David A., Estate OFMay 1999 → Jan 2000
  3. 3Schlachter Operating CorporationFeb 2000 → Mar 2000
  4. 4Valence Operating CompanyApr 2000 → May 2024

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
502810-99RecompletionValence Operating CompanyDec 8, 2000Dec 13, 2000Feb 22, 20018,800
171724-99DrillSchlachter, David A.Sep 13, 1982Sep 13, 1982Oct 13, 19828,800

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-6-104188————
—— O-5-3999————
—— O-6-14113————

Formation tops

As filed on W-2/G-1. Subsea from 419 ft elevation.Download CSV →

FormationMD ftSubsea
Bma Bacon Lim7,728-7,309
Bma Bacon Lime7,728-7,309
Hill7,788-7,369
Bird7,852-7,433
Heard7,982-7,563

Perforations

Perforated and open-hole intervals.

FromToType
7,7377,742Perforated
7,7867,792Perforated
7,9837,990Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62583012.25430 S
2.3757,989——
5.58,8007.875630 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 29, 2022Apr 27, 2022—
00Aug 5, 2021Aug 4, 2021—
00May 24, 2021May 5, 2021—
00Apr 18, 2013Sep 21, 2001Yes
00Oct 17, 2001Sep 21, 2001Yes
00Oct 16, 2001Sep 21, 2001—
00Oct 4, 2001——
00Jan 12, 1984Feb 25, 1983—

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/49931110, documented in the API reference.