TEXAS · WELLS · HEMPHILL COUNTY · DOCKRAY RIVERS 237 LEASE · API 42-211-34536 · DISTRICT 08

Dockray Rivers 237 #4

Shut in

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

Dockray Rivers 237 #4 (API 42-211-34536) is a well in Hemphill County operated by Unbridled Resources LLC, completed March 11, 2009 and listed as producing on the RRC schedule, shut in August 1, 2021.

The RRC has issued one drilling permit, issued November 25, 2008, permitted to 13,300 ft.

It was permitted by Linn Operating, Inc. and has since transferred to Unbridled Resources LLC on the wellbore schedule.

Completion filings report 10 formation tops, including T/Brown Dolomite, T/Tonkawa, T/Carr Gw, Gw "A".

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

Operator of record

Unbridled Resources LLC

Permitted by Linn Operating, 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 2021
Latest permitLinn Operating, Inc.Nov 25, 2008

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

13,300
total depth, ft
1
permits on file
Nov 25, 2008
last permit issued
Mar 11, 2009
completed
0
cumulative oil, bbl
570K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Mar 2009 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Mar 11, 2009
Shut in
Aug 1, 2021
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
Dockray Rivers 237 G-14-249604Buffalo Wallow (Granite Wash)Unbridled Resources, LLC10570KMar 2009 – 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. 1Linn Operating, Inc.Mar 2009 → Dec 2014
  2. 2Enervest Operating, L.L.C.Jan 2015 → Mar 2018
  3. 34P Energy Texas, LLCApr 2018 → Aug 2020
  4. 4Unbridled Resources, LLCMay 2021 → Jul 2021

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
675416-99DrillLinn Operating, Inc.Nov 21, 2008Nov 25, 2008Jan 19, 200914,300

Completions

CompletedLeaseFieldOperatorStatusDepth
Mar 11, 2009Dockray Rivers 237 G-14-249604Buffalo Wallow (Granite Wash)Unbridled Resources LLCProducing · shut in Aug 1, 202113,300

Formation tops

As filed on W-2/G-1. Subsea from 2,830 ft elevation.Download CSV →

FormationMD ftSubsea
T/Brown Dolomite4,775-1,945
T/Tonkawa8,963-6,133
T/Carr GW10,976-8,146
GW "A"11,269-8,439
GW "B"11,503-8,673
GW "C"11,706-8,876
GW "D" Shale11,969-9,139
GW "E" Shale12,027-9,197
GW "F" Shale12,200-9,370
AtokaATOKA WASH12,481-9,651

Perforations

Perforated and open-hole intervals.

FromToType
11,08213,220Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6253,35812.251,970 S
5.513,2927.875575 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
00Sep 16, 2009Apr 13, 2009Yes
00Jul 27, 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/21134536, documented in the API reference.