TEXAS · WELLS · HEMPHILL COUNTY · FILLINGIM 88 LEASE · API 42-211-32976 · DISTRICT 08

Fillingim 88 #12

Shut in

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

Fillingim 88 #12 (API 42-211-32976) is a well in Hemphill County operated by Unbridled Resources LLC, completed November 4, 2006 and listed as producing on the RRC schedule, shut in July 1, 2018.

The RRC has issued one drilling permit, issued April 22, 2004, permitted to 11,645 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 10 formation tops, including T/Brown Dolomite, B/Heebner-T/Douglas, B/Heebner/T/Douglas, T/Tonkawa.

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

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 Jun 2018
Latest permitDominion Oklahoma Texas E&P, IncApr 22, 2004

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

11,645
total depth, ft
1
permits on file
Apr 22, 2004
last permit issued
Nov 4, 2006
completed
0
cumulative oil, bbl
280K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jun 2004 THROUGH Jun 2018

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Nov 4, 2006
Shut in
Jul 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.

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
Fillingim 88 G-14-202937Buffalo Wallow (Granite Wash)Unbridled Resources, LLC10280KMay 2004 – Jul 2026

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.

  1. 1Dominion Oklahoma Texas E&P, IncJun 2004 → 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 → Jun 2018

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
544811-99DrillDominion Oklahoma Texas E&P, IncApr 22, 2004Apr 22, 2004May 3, 200412,125

Completions

CompletedLeaseFieldOperatorStatusDepth
Nov 4, 2006Fillingim 88 G-14-202937Buffalo Wallow (Granite Wash)Unbridled Resources LLCProducing · shut in Jul 1, 201811,645

Formation tops

As filed on W-2/G-1. Subsea from 2,611 ft elevation.Download CSV →

FormationMD ftSubsea
T/Brown Dolomite4,458-1,847
B/Heebner-T/Douglas7,997-5,386
B/Heebner/T/Douglas7,997-5,386
T/Tonkawa8,606-5,995
T/Tonkawa8,808-6,197
Avant LS9,483-6,872
T/Britt Granite Wash11,122-8,511
T/Britt Granite Wash11,132-8,521
T/Granite Wash A11,232-8,621
T/Granite Wash A&b (B=11,510)11,232-8,621
T/Granite B11,510-8,899
T/Granite Wash B11,510-8,899

Perforations

Perforated and open-hole intervals.

FromToType
11,14011,180Perforated
11,33211,362Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,51512.25750 S
5.511,6457.875295 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
00Mar 28, 2007Nov 29, 2006—
00Feb 27, 2007Oct 2, 2006—
00Oct 12, 2004Aug 9, 2004Yes
00Aug 25, 2004——

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/21132976, documented in the API reference.