WELL · 42-125-31058 · DISTRICT 8

Arnold #4

N

Dickens County · Road Bend (Tannehill) field  · Vertical

Arnold #4 (API 42-125-31058) is a well in Dickens County operated by Chisholm Operating Inc., completed November 20, 2006.

The RRC has issued one drilling permit, issued September 22, 2006, permitted to 5,200 ft.

Completion filings report 2 formation tops, including Croton, Tannehill.

Its 2 leases have reported 221K barrels of oil and 24.3K mcf of gas since May 2006, last reporting in July 2026. The leases carry 12 wells, so these are lease totals, not this well alone.

It holds an active disposal or injection permit, with 1.18K barrels injected in the 12 months reported through April 2026.

Operator of record

Chisholm Operating Inc.

Abilene, TX · P-5 Y, filed Jul 4, 2026 · 194 permits on file · (325) 668-6166

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleChisholm Operating Inc.
Production reportsChisholm Operating, Inc.through May 2024
Latest permitChisholm Operating, Inc.Sep 22, 2006
5,200
total depth, ft
1
permits on file
Sep 22, 2006
last permit issued
Nov 20, 2006
completed
221K
cumulative oil, bbl
24.3K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · May 2006 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Nov 20, 2006
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 2 leases this well is completed on; they carry 12 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Road Bend (Tannehill "B") Unit O-11-69558Road Bend (Tannehill)Chisholm Operating, Inc.8101K0Aug 2010 – Jul 2026
Arnold O-11-68937Road Bend (Tannehill)Chisholm Operating, Inc.4121K24.3KMay 2006 – Nov 2010

Oil, barrels lease total

Last 12 months 0 · prior 12 7(-100%)

02040202420252026

Chain of custody

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

  1. 1Chisholm Operating, Inc.May 2006 → May 2024

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
625782-99DrillChisholm Operating, Inc.Sep 12, 2006Sep 22, 2006Oct 30, 20065,200

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-11-68937————
—— O-11-69558————

Formation tops

As filed on W-2/G-1. Subsea from 2,275 ft elevation.Download CSV →

FormationMD ftSubsea
Croton4,870-2,595
Tannehill4,936-2,661

Perforations

Perforated and open-hole intervals.

FromToType
4,9364,941Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37529717.5225 S
8.6251,47511200 S
5.55,2877.875220 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
00Oct 20, 2015Sep 8, 2015—
00Aug 9, 2010Dec 8, 2006Yes
00Apr 11, 2007Dec 8, 2006Yes
00Dec 14, 2006——

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.

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Injection

1.18K
bbl, last 12 reported months
356K
bbl, all reported
Apr 2026
reported through
UICKindStatusPermitted bbl/dMax psiZone ft
000112562H-1 InjectionActive1,5002,4684,936–5,145

MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS

Last 12 months 1,177 · prior 12 781(+51%)

020040020252026

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/12531058, documented in the API reference.