WELL · 42-211-34771 · DISTRICT 10

Bill #141H

N

Hemphill County · Feldman (Tonkawa) field  · Horizontal

Bill #141H (API 42-211-34771) is a horizontal well in Hemphill County operated by Chesapeake Operating Inc., completed October 9, 2010.

The RRC has issued one drilling permit, issued August 13, 2010, permitted to 18,000 ft.

Completion filings report 4 formation tops, including Base Heebner, Douglas, Douglass Sd, Tonkawa.

Its 2 leases have reported 219K barrels of oil and 797K mcf of gas since October 2010, last reporting in July 2026. The leases carry 3 wells, so these are lease totals, not this well alone.

Operator of record

Chesapeake Operating Inc.

Based in
Oklahoma City, OK
P-5 status
Delinquent (D)
P-5 last filed
Dec 10, 2024
Permits on file
13,061
Phone
(405) 935-3100

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleChesapeake Operating Inc.
Production reportsUnbridled Resources, LLCthrough Apr 2026
Latest permitChesapeake Operating, Inc.Aug 13, 2010

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

18,000
total depth, ft
1
permits on file
Aug 13, 2010
last permit issued
Oct 9, 2010
completed
219K
cumulative oil, bbl
797K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Oct 2010 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Oct 9, 2010
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 3 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Bill O-14-8450Feldman (Tonkawa)Unbridled Resources, LLC2219K797KDec 2010 – Jul 2026
Bill G-14-259639Feldman (Tonkawa)Chesapeake Operating, Inc.100Oct 2010 – Jan 2011

Gas, mcf lease total

Last 12 months 45,494 · prior 12 46,290(-2%)

02K4K6K202420252026

Oil, barrels lease total

Last 12 months 3,924 · prior 12 4,967(-21%)

0200400600202420252026

Chain of custody

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

  1. 1Chesapeake Operating, Inc.Dec 2010 → Oct 2014
  2. 2Chesapeake Operating, L.L.C.Nov 2014 → Jun 2016
  3. 34P Energy Texas, LLCJul 2016 → Oct 2020
  4. 4Unbridled Resources, LLCNov 2020 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
700576-99DrillChesapeake Operating, Inc.Aug 11, 2010Aug 13, 2010Sep 17, 201018,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-14-259639————
—— O-14-8450————

Formation tops

As filed on W-2/G-1. Subsea from 2,667 ft elevation.Download CSV →

FormationMD ftSubsea
Base Heebner6,825-4,158
DouglasDOUGLAS SAND6,930-4,263
Douglass SD6,930-4,263
Tonkawa7,535-4,868

Perforations

Perforated and open-hole intervals.

FromToType
7,64812,084Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,52412.25690 S
77,0508.75320 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
00Aug 15, 2012Feb 22, 2011Yes
00Apr 25, 2011Dec 9, 2010Yes

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/21134771, documented in the API reference.