TEXAS · WELLS · HEMPHILL COUNTY · HEMPHILL-WALSER 11 LEASE · API 42-211-32794 · DISTRICT 08

Hemphill-Walser 11 #4

Shut in

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

Hemphill-Walser 11 #4 (API 42-211-32794) is a well in Hemphill County operated by Unbridled Resources LLC, completed September 5, 2003 and listed as producing on the RRC schedule, shut in August 1, 2018.

The RRC has issued one drilling permit, issued July 22, 2003, permitted to 11,715 ft.

It was permitted by Dominion Oklahoma Texas E&P, Inc and has since transferred to Unbridled Resources LLC on the wellbore schedule.

Completion filings report 8 formation tops, including T/Brown Dolomite, B/Heebner-T/Douglas, T/Tonkawa, Avant Ls.

Its lease has reported 7.78K barrels of oil and 499K mcf of gas since September 2003, with no volume in the three years through August 2026.

Operator of record

Unbridled Resources LLC

Permitted by Dominion Oklahoma Texas E&P, Inc; the EWA schedule now lists a different operator.

Based in
Oklahoma City, OK
P-5 status
Active (A)
P-5 last filed
Dec 17, 2025
Permits on file
6
Phone
(318) 751-3917

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleUnbridled Resources LLC
Production reportsUnbridled Resources, LLCthrough Jul 2018
Latest permitDominion Oklahoma Texas E&P, IncJul 22, 2003

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

11,715
total depth, ft
1
permits on file
Jul 22, 2003
last permit issued
Sep 5, 2003
completed
7.78K
cumulative oil, bbl
499K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · SEP 2003 THROUGH JUL 2018

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Sep 5, 2003
Shut in
Aug 1, 2018
Plugged
—

Operator's P-5 on the schedule: Active (A)

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.

Wells nearby

Every well with a location on file around this well, in any state, nearest first.

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Texas locations come from drilling permits, so most older Texas wells have none and are not listed.

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH AUG 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
Hemphill-Walser 11 G-14-198905Buffalo Wallow (Granite Wash)Unbridled Resources, LLC17.78K499KSep 2003 – Jul 2018

No volumes reported on these leases in the last three years.

Wells named Hemphill-Walser 11

Unbridled Resources LLC's other wells filed under this lease name in Hemphill County, newest permit first. The RRC gives a gas well its own lease number, so the name is what joins the wells of a unit.

Loading the lease's wells

Chain of custody

Operator on the lease's P-4

Each operator named on the P-4 filings for this well's lease (a gas well is its own lease), from the date its filing took effect. The P-4 is filed by lease, so a date before the well was drilled is the lease's.

OperatorFromTo
Unbridled Resources, LLCNov 24, 2020today
4P Energy Texas, LLCApr 1, 2018Nov 24, 2020
Enervest Operating, L.L.C.Jan 1, 2015Apr 1, 2018
Linn Operating, Inc.Sep 1, 2007Jan 1, 2015
Dominion Oklahoma Texas E&P, IncSep 5, 2003Sep 1, 2007

Reporting production

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

  1. 1Dominion Oklahoma Texas E&P, IncSep 2003 → Aug 2007
  2. 2Linn Operating, Inc.Sep 2007 → Dec 2014
  3. 3Enervest Operating, L.L.C.Jan 2015 → Mar 2018
  4. 44P Energy Texas, LLCApr 2018 → Jul 2018

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
534453-99DrillDominion Oklahoma Texas E&P, IncJul 22, 2003Jul 22, 2003Aug 4, 200313,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Sep 5, 2003Hemphill-Walser 11 G-14-198905Buffalo Wallow (Granite Wash)Unbridled Resources LLCProducing · shut in Aug 1, 201811,715

Formation tops

As filed on W-2/G-1. Subsea from 2,659 ft elevation.Download CSV →

FormationMD ftSubsea
T/Brown Dolomite4,525-1,866
B/Heebner-T/Douglas8,022-5,363
T/Tonkawa8,796-6,137
Avant LS9,401-6,742
T/Carr10,885-8,226
T/Britt11,072-8,413
T/Granite Wash B11,143-8,484
T/Granite Wash A11,149-8,490

Perforations

Perforated and open-hole intervals.

FromToType
10,88511,320Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,51512.25810 S
5.511,7157.875525 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →

SuffixRRC record dateW-2 / G-1 dateLogs referenced
00Mar 11, 2004Oct 16, 2003Yes
00Feb 5, 2004——

Well logs

1 log loaded from the RRC's log index, the latest received Oct 31, 2006. Gamma ray, Resistivity.

Click a log to get its files from the RRC (free account). It opens in a new tab on the RRC's log search for this well, which lists each file to view or download; the RRC has no address for a single file.

Logas describedFiles Intervalft, as filedDatereceivedSizeMB
ResistivityHIGH DEFINITION INDUCTION GAMMA RAYSpans T/Brown Dolomite, B/Heebner-T/Douglas, T/Tonkawa, Avant Ls, T/Carr, T/Britt, T/Granite Wash B, T/Granite Wash ATIFF1,513 to 11,712Oct 31, 2006run Aug 18, 2003—

"Spans" is by this well's own filed formation tops: a formation runs from its top to the next deeper top filed, and the deepest runs to the bottom of the log. Depths are measured along the wellbore, so on a horizontal the lateral counts in the formation it was landed in.

These are the logs loaded into Petrora from the Railroad Commission's inventories, not necessarily every log run on the well. The RRC holds the files; each opens from its log search for the well. The kind is the RRC's description of the log; the interval is the one filed for it.

Find logs withinmiles of this well:List →Map →

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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.

The logs loaded for this well are under Well logs, with the RRC's log search for it.

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/21132794, documented in the API reference.