WELL · 42-211-34356 · DISTRICT 10

Walker #1111

Y

Hemphill County · Buffalo Wallow (Granite Wash) field · Producing  · Vertical

Walker #1111 (API 42-211-34356) is a well in Hemphill County operated by Presidio Petroleum LLC, completed December 9, 2008 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued August 2, 2008, permitted to 13,200 ft.

It was permitted by Cordillera Texas, L.P. and has since transferred to Presidio Petroleum LLC on the wellbore schedule.

Completion filings report 13 formation tops, including Brown Dolomite, Pennsylvanian, Douglas, Tonkawa.

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

Operator of record

Presidio Petroleum LLC

Permitted by Cordillera Texas, L.P.; the EWA schedule now lists a different operator.

Canadian, TX · P-5 Y, filed Feb 4, 2026 · 13 permits on file · (800) 461-1604

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulePresidio Petroleum LLC
Production reportsPresidio Petroleum LLCthrough Apr 2026
Latest permitCordillera Texas, L.P.Aug 2, 2008

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

13,200
total depth, ft
1
permits on file
Aug 2, 2008
last permit issued
Dec 9, 2008
completed
0
cumulative oil, bbl
618K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Dec 2008 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Dec 9, 2008
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 G-14-246560Buffalo Wallow (Granite Wash)Presidio Petroleum LLC10618KDec 2008 – Jul 2026

Gas, mcf lease total

Last 12 months 11,093 · prior 12 11,640(-5%)

05001K1.5K202420252026

Chain of custody

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

  1. 1Forest Oil CorporationDec 2008 → Nov 2013
  2. 2LE Norman Operating LLCDec 2013 → Jun 2019
  3. 3Templar Operating LLCJul 2019 → Dec 2019
  4. 4Presidio Petroleum LLCJan 2020 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
666706-99DrillCordillera Texas, L.P.Jul 15, 2008Aug 2, 2008Oct 24, 200813,200

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-14-246560————

Formation tops

As filed on W-2/G-1. Subsea from 2,462 ft elevation.Download CSV →

FormationMD ftSubsea
Brown Dolomite4,295-1,833
PennsylvanianPENN SHALE5,830-3,368
Douglas7,781-5,319
Tonkawa8,532-6,070
Missourian9,031-6,569
Oswego10,484-8,022
Granite Wash10,864-8,402
Des Moines10,975-8,513
Britt11,035-8,573
GW-B11,361-8,899
GW-C11,502-9,040
GW-E11,874-9,412
GW-F11,981-9,519

Perforations

Perforated and open-hole intervals.

FromToType
11,04411,340Perforated
11,37211,777Perforated
11,89212,275Perforated
12,32612,755Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6252,415111,220 S
5.513,0137.875645 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
00May 21, 2009Jan 8, 2009Yes
00Apr 24, 2009——

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/21134356, documented in the API reference.