WELL · 42-431-33213 · DISTRICT 8

Foster Ranch #1

Foster Ranch #1 (API 42-431-33213) is a permitted well in Sterling County filed by Walter Oil & Gas Corporation; no completion report is on file yet.

The RRC has issued 2 drilling permits (amended once) between 2007 and 2009, permitted to 9,000 ft.

Completion filings report 3 formation tops, including Pennsylvanian, Mississippian, Ellenburger.

Its lease has reported 13.5K barrels of oil since April 2008, last reporting in March 2015.

Operator of record

Walter Oil & Gas Corporation

Based in: Houston, TX
P-5 status: Active (A)
P-5 last filed: Jul 28, 2025
Permits on file: 193
Phone: (713) 659-1221

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedule	none
Production reports	Mulloy Operating, Inc.through Nov 2009
Latest permit	Walter Oil & Gas CorporationDec 10, 2009

9,000: total depth, ft
3: permits on file
Dec 10, 2009: last permit issued
—: completed
13.5K: cumulative oil, bbl
0: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Apr 2008 THROUGH Mar 2015

Regulatory status · RRC wellbore file

Schedule: OFF SCHEDULE
Completed: —
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 lease this well is completed on; this well is the only one on it.Why →

Lease	Field	Reporting operator	Wells	Oil, bbl	Gas, mcf	Reported
Foster Ranch O-10-38755	Lonesome Dove (Miss)	Walter Oil & Gas Corporation	1	13.5K	0	Apr 2008 – Mar 2015

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.

1Mulloy Operating, Inc.May 2008 → Nov 2009

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
688398-99	Recompletion	Walter Oil & Gas Corporation	Dec 8, 2009	Dec 10, 2009	—	8,252
646006-98	Drill	Mulloy Operating, Inc.	Oct 13, 2008	Sep 17, 2007	Feb 8, 2008	9,000
646006-99	Drill	Walter Oil & Gas Corporation	Sep 12, 2007	Sep 17, 2007	Feb 8, 2008	9,000

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— O-10-38755	—	—	—	—

Formation tops

As filed on W-2/G-1. Subsea from 2,554 ft elevation.Download CSV →

Formation	MD ft	Subsea
PennsylvanianPENN SHALE	5,670	-3,116
PennsylvanianPENN LIME	7,758	-5,204
Mississippian	8,161	-5,607
Ellenburger	8,198	-5,644

Perforations

Perforated and open-hole intervals.

From	To	Type
8,166	8,186	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
8.625	2,208	11	645 S
4.5	8,252	7.875	400 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 →

Suffix	Filed	W-2 / G-1 date	Logs referenced
00	Nov 14, 2008	May 23, 2008	Yes
00	Nov 4, 2008	—	—

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 42-431-33213 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-431-33213 → 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.

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/43133213, documented in the API reference.