WELL · 42-331-32612 · DISTRICT 1

Coffield Estate #1

Y

Milam County · Cherokee (Navarro) field · Producing  · Vertical

Coffield Estate #1 (API 42-331-32612) is a well in Milam County operated by Rusk Energy Operating LLC, completed July 24, 1984 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued May 23, 1984, permitted to 3,250 ft.

It was permitted by K & D Petroleum Operating Corp. and has since transferred to Rusk Energy Operating LLC on the wellbore schedule.

Completion filings report one formation top, including Navarro.

Its lease has reported 31.3K barrels of oil and 85 mcf of gas since January 1993, last reporting in July 2026.

Operator of record

Rusk Energy Operating LLC

Permitted by K & D Petroleum Operating Corp.; the EWA schedule now lists a different operator.

Based in
Houston, TX
P-5 status
Active – Extension (X)
P-5 last filed
Feb 12, 2026
Permits on file
16
Phone
(713) 252-6566

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleRusk Energy Operating LLC
Production reportsRusk Energy Operating LLCthrough Apr 2026
Latest permitK & D Petroleum Operating Corp.May 23, 1984

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

3,250
total depth, ft
1
permits on file
May 23, 1984
last permit issued
Jul 24, 1984
completed
31.3K
cumulative oil, bbl
85
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jul 24, 1984
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active – Extension (X)

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
Coffield Estate O-1-9869Cherokee (Navarro)Rusk Energy Operating LLC131.3K85Jan 1993 – Jul 2026

Oil, barrels lease total

Last 12 months 634 · prior 12 343(+85%)

050100150202420252026

Chain of custody

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

  1. 1B & L Minerals, Inc.Jan 1993 → Nov 2000
  2. 2Shoreham Oil & Gas Company, Inc.Dec 2000 → Feb 2006
  3. 3Shoreham Resources, Inc.Mar 2006 → Jun 2007
  4. 4Viceroy Petroleum GP, LLCAug 2007 → Feb 2010
  5. 5Viceroy Petroleum, LPMar 2010 → Dec 2024
  6. 6Rusk Energy Operating LLCMay 2025 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
241756-99DrillK & D Petroleum Operating Corp.May 21, 1984May 23, 1984—3,250

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-1-9869————

Formation tops

As filed on W-2/G-1. Subsea from 350 ft elevation.Download CSV →

FormationMD ftSubsea
Navarro3,100-2,750

Perforations

Perforated and open-hole intervals.

FromToType
3,0223,212Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62555012.25280 sx
4.53,1907.875720 sx

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 30, 1984Aug 20, 1984—
00Aug 24, 1984Aug 20, 1984—

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/33132612, documented in the API reference.