WELL · 42-133-37770 · DISTRICT 7

Duffer B #1

Plugged

Eastland County  · Vertical

Duffer B #1 (API 42-133-37770) is a plugged well in Eastland County, plugged May 15, 1999, last operated by Byrne Oil Company.

The RRC has issued 2 drilling permits between 1999 and 2018, permitted to 4,000 ft.

Completion filings report 10 formation tops, including Duffer, Blake - Disposal, Caddo, Cisco.

Operator of record

Byrne Oil Company

Lubbock, TX · P-5 Y, filed Sep 4, 2025 · 42 permits on file · (254) 488-1053

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulenone
Production reportsByrne Oil Companythrough Apr 2026
Latest permitByrne Oil CompanyJun 7, 2018
4,000
total depth, ft
2
permits on file
Jun 7, 2018
last permit issued
—
completed
0
cumulative oil, bbl
29.1K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Aug 2018 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
—
Shut in
—
Plugged
May 15, 1999

Surface location

32.413810, -98.658741

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Eastland County.

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
Duffer B G-8-285567Adams (Duffer, Lower)Byrne Oil Company1029.1KAug 2018 – Jul 2026

Gas, mcf lease total

Last 12 months 2,777 · prior 12 2,916(-5%)

0100200300202420252026

Chain of custody

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

  1. 1Byrne Oil CompanyAug 2018 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
840824-99ReenterByrne Oil CompanyJun 4, 2018Jun 7, 2018Jul 20, 20183,500
483791-99DrillByrne, Robert E.Apr 12, 1999Apr 16, 1999May 6, 19994,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-8-285567————

Formation tops

As filed on W-2/G-1. Subsea from 1,481 ft elevation.Download CSV →

FormationMD ftSubsea
Duffer3,427-1,946
Blake - Disposal——
CaddoCADDO - DISPOSAL——
CiscoCISCO SAND - DISPOSAL——
EllenburgerELLENBURGER - DISPOSAL——
Ely Sand - Disposal——
Frye - Disposal——
Hickory Sand - Disposal——
MississippianMISSISSIPPIAN - DISPOSAL——
StrawnSTRAWN SAND - OVERPRESSURED (GAS——

Perforations

Perforated and open-hole intervals.

FromToType
3,4273,437Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62515412.2595 S
4.53,5297.875150 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 24, 2019Nov 6, 2018Yes

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.

Nearby wells and their tops

NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM

Draw a cross-section

This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

Duffer42-133-38274

0.9 KM · Byrne Oil Company · Section with this well →

Strawn1,090397
Overall Sand - Disposal—
Frye - Disposal—
Ely Sand - Disposal—
Crosscut - Disposal—
Cisco—
Canyon—
Blake - Disposal—

10 TOPS · FIRST 8

Lucky Seven42-133-36711

3.1 KM · Richey & Company, Inc. · Section with this well →

Strawn1,270199
Strawn1,270199
Caddo2,854-1,385
Conglomerate3,039-1,570
Mississippian3,176-1,707
Ellenburger3,606-2,137

Penn, E.F.42-133-32964

5.1 KM · TJR Petroleums, Inc. · Section with this well →

Marble Falls3,216-1,720
Ranger3,350-1,854
Cisco—
Ely Sand - Disposal—
Blake - Disposal—
Frye - Disposal—
Overall Sand - Disposal—
Strawn—

10 TOPS · FIRST 8

Ellie42-133-38271

7.0 KM · Bear Springs Oil & Gas, L.L.C · Section with this well →

Unidentified-County Regular - DI3,815-2,359
Crosscut - Disposal—
Blake - Disposal—
Canyon—
Cisco—
Ely Sand - Disposal—
Frye - Disposal—
Overall Sand - Disposal—

10 TOPS · FIRST 8

Ellie42-133-38263

7.0 KM · Bear Springs Oil & Gas, L.L.C · Section with this well →

Unidentified-County Regular - DI—
Strawn—
Blake - Disposal—
Canyon—
Cisco—
Crosscut - Disposal—
Ely Sand - Disposal—
Frye - Disposal—

10 TOPS · FIRST 8

Hailey D42-133-38284

12.5 KM · Bear Springs Oil & Gas, L.L.C · Section with this well →

Strawn1,010416
Unidentified-County Regular - DI3,150-1,724
Blake - Disposal—
Canyon—
Cisco—
Crosscut - Disposal—
Ely Sand - Disposal—
Frye - Disposal—

10 TOPS · FIRST 8

Hailey D42-133-38278

12.7 KM · Bear Springs Oil & Gas, L.L.C · Section with this well →

Unidentified-County Regular - DI3,150-1,731
Blake - Disposal—
Canyon—
Cisco—
Crosscut - Disposal—
Ely Sand - Disposal—
Frye - Disposal—
Overall Sand - Disposal—

10 TOPS · FIRST 8

Hailey D42-133-38272

12.7 KM · Bear Springs Oil & Gas, L.L.C · Section with this well →

Ely Sand - Disposal730693
Strawn896527
Strawn1,090333
Frye - Disposal—
Crosscut - Disposal—
Cisco—
Blake - Disposal—
Canyon—

10 TOPS · FIRST 8

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/13337770, documented in the API reference.