WELL · 42-295-34050 · DISTRICT 10

Mammoth Creek 965 Lip #1H

Mammoth Creek 965 Lip #1H (API 42-295-34050) is a permitted horizontal well in Lipscomb County filed by Chesapeake Operating, Inc.; no completion report is on file yet.

The RRC has issued 2 drilling permits between 2013 and 2014, permitted to 10,000 ft.

Completion filings report 3 formation tops, including Tnkw, Avnt, Ccgv.

Its lease has reported 37.7K barrels of oil and 38.6K mcf of gas since January 2014, last reporting in July 2026.

Operator of record

Chesapeake Operating, Inc.

Oklahoma City, OK · P-5 Y, filed Jul 4, 2026 · 13,061 permits on file · (405) 935-7500

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedule	none
Production reports	Unbridled Resources, LLCthrough Apr 2026
Latest permit	Chesapeake Operating, Inc.Jun 23, 2014

10,000: total depth, ft
2: permits on file
Jun 23, 2014: last permit issued
—: completed
37.7K: cumulative oil, bbl
38.6K: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 2014 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule: OFF SCHEDULE
Completed: —
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 lease this well is completed on; this well is the only one on it.Why →

Lease	Field	Reporting operator	Wells	Oil, bbl	Gas, mcf	Reported
Mammoth Creek 965 Lip O-14-9144	Lipscomb (Cleveland)	Unbridled Resources, LLC	1	37.7K	38.6K	Jan 2014 – Jul 2026

Oil, barrels lease total

Last 12 months 721 · prior 12 44(+1539%)

Gas, mcf lease total

Last 12 months 928 · prior 12 0

Chain of custody

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

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

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
786575-99	Recompletion	Chesapeake Operating, Inc.	May 8, 2014	Jun 23, 2014	—	10,000
771777-99	Drill	Chesapeake Operating, Inc.	Oct 15, 2013	Oct 23, 2013	Nov 4, 2013	10,000

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— O-14-9144	—	—	—	—

Formation tops

As filed on W-2/G-1. Subsea from 2,426 ft elevation.Download CSV →

Formation	MD ft	Subsea
Tnkw	6,551	-4,125
Avnt	6,962	-4,536
Ccgv	6,991	-4,565

Perforations

Perforated and open-hole intervals.

From	To	Type
7,210	11,502	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
13.375	614	17.5	632 S
9.625	1,500	12.25	560 S
7	6,400	8.75	260 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 →

Suffix	Filed	W-2 / G-1 date	Logs referenced
00	Nov 14, 2014	Feb 10, 2014	Yes

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.

Wellbore filings for 42-295-34050 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-295-34050 → scanned completion filings

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/29534050, documented in the API reference.