TEXAS · WELLS · CALLAHAN COUNTY · EARP LEASE · API 42-059-34111 · DISTRICT 6E

Earp #1

Plugged

Callahan County · Isenhower SE. (Duffer) field  · Vertical

Earp #1 (API 42-059-34111) is a plugged well in Callahan County, plugged April 2, 2025, last operated by Momentum Operating CO. Inc..

The RRC has issued one drilling permit, issued March 14, 1983, permitted to 4,500 ft.

It was permitted by Sequoia Fossil Fuels, Inc. and has since transferred to Momentum Operating CO. Inc. on the wellbore schedule.

Operator of record

Momentum Operating Co. Inc.

Permitted by Sequoia Fossil Fuels, Inc.; the EWA schedule now lists a different operator.

Based in
Albany, TX
P-5 status
Active (A)
P-5 last filed
Aug 4, 2025
Permits on file
148
Phone
(325) 762-2366

SOURCE · RRC EWA WELLBORE SCHEDULE

4,500
total depth, ft
1
permits on file
Mar 14, 1983
last permit issued
Mar 3, 1983
completed
0
cumulative oil, bbl
234K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Mar 3, 1983
Shut in
—
Plugged
Apr 2, 2025

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
Earp G-8-105616Isenhower, SE. (Duffer)Momentum Operating Co., Inc.10234KJan 1993 – 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. 1Sequoia Fossil Fuels, Inc.Jan 1993 → Jul 1994
  2. 2Momentum Operating Co., Inc.Aug 1994 → Jul 2019

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
188319-99DrillSequoia Fossil Fuels, Inc.Mar 14, 1983Mar 14, 1983Feb 16, 19834,500

Completions

CompletedLeaseFieldOperatorStatusDepth
Mar 3, 1983Earp G-8-105616Isenhower SE. (Duffer)Momentum Operating Co. Inc.Plugged—

Perforations

Perforated and open-hole intervals.

FromToType
3,7973,812Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6251201190 S
2.3753,780——
4.54,0067.875225 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
00Jan 12, 1984Apr 20, 1983—

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/05934111, documented in the API reference.