WELL · 42-173-35757 · DISTRICT 8

M.F. Dunn #1

N

Glasscock County · Jailhouse (Fusselman) field  · Vertical

M.F. Dunn #1 (API 42-173-35757) is a well in Glasscock County operated by Trilogy Operating Inc., completed July 10, 2013.

The RRC has issued 2 drilling permits between 2013 and 2019, permitted to 12,000 ft.

Completion filings report 8 formation tops, including Wolfcamp, Cline, Strawn, Atoka.

Its 2 leases have reported 16.1K barrels of oil and 55.3K mcf of gas since June 2013, last reporting in July 2026. The leases carry 2 wells, so these are lease totals, not this well alone.

Operator of record

Trilogy Operating Inc.

Midland, TX · P-5 Y, filed Nov 4, 2025 · 247 permits on file · (432) 556-7931

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleTrilogy Operating Inc.
Production reportsTrilogy Operating, Inc.through Apr 2026
Latest permitTrilogy Operating, Inc.Mar 8, 2019
12,000
total depth, ft
2
permits on file
Mar 8, 2019
last permit issued
Jul 10, 2013
completed
16.1K
cumulative oil, bbl
55.3K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jun 2013 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Jul 10, 2013
Shut in
—
Plugged
—

Surface location

32.047086, -101.418878

OpenStreetMap → ·  Google Maps →

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

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 2 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
M.F. Dunn O-10-51385Garden City, NW (Strawn)Trilogy Operating, Inc.19.43K33.9KMay 2018 – Jul 2026
M.F. Dunn O-10-44308Jailhouse (Fusselman)Trilogy Operating, Inc.16.72K21.5KJun 2013 – Jul 2019

Oil, barrels lease total

Last 12 months 571 · prior 12 725(-21%)

050100150202420252026

Gas, mcf lease total

Last 12 months 3,698 · prior 12 2,719(+36%)

05001K202420252026

Chain of custody

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

  1. 1Trilogy Operating, Inc.Jun 2013 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
850037-99RecompletionTrilogy Operating, Inc.Feb 14, 2019Mar 8, 2019May 2, 201812,000
760951-99DrillTrilogy Operating, Inc.Apr 17, 2013Apr 22, 2013Apr 30, 201312,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-44308————
—— O-10-51385————

Formation tops

As filed on W-2/G-1. Subsea from 2,634 ft elevation.Download CSV →

FormationMD ftSubsea
Wolfcamp5,776-3,142
Cline8,872-6,238
Strawn9,148-6,514
Atoka9,236-6,602
MississippianMISSISSIPPI9,476-6,842
Mississippian9,476-6,842
Devonian9,652-7,018
Fusselman9,752-7,118
EllenburgerELLENBERGER9,854-7,220
Ellenburger9,854-7,220

Perforations

Perforated and open-hole intervals.

FromToType
9,1569,590Perforated
9,9809,982Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,43317.5960 S
5.510,0747.8751,535 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
00May 13, 2019Mar 13, 2019—
00Mar 25, 2014Jul 24, 2013Yes

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 →

PRC42-173-35833

0.7 KM · Trilogy Operating, Inc. · Section with this well →

Wolfcamp6,900-4,276
Cline8,857-6,233
Strawn9,140-6,516
Atoka9,241-6,617
Mississippian9,453-6,829
Mississippian9,453-6,829
Devonian9,631-7,007
Fusselman9,721-7,097

9 TOPS · FIRST 8

CSM42-173-35099

1.2 KM · Trilogy Operating, Inc. · Section with this well →

Wolfcamp5,842-3,221
Strawn9,119-6,498
Mississippian9,430-6,809
Mississippian9,430-6,809
Fusselman9,431-6,810
Woodford9,552-6,931
Devonian9,616-6,995
Sylvan9,791-7,170

Sydney42-173-35475

1.5 KM · Trilogy Operating, Inc. · Section with this well →

Cline8,860-6,242
Strawn9,135-6,517
Atoka9,222-6,604
Mississippian9,460-6,842
Mississippian9,460-6,842
Devonian9,650-7,032
Fusselman9,784-7,166
Ellenburger9,919-7,301

9 TOPS · FIRST 8

LDJ42-173-35570

2.0 KM · Trilogy Operating, Inc. · Section with this well →

Wolfcamp5,860-3,241
Cline8,880-6,261
Strawn9,158-6,539
Atoka9,248-6,629
Mississippian9,484-6,865
Mississippian9,484-6,865
Devonian9,674-7,055
Fusselman9,804-7,185

9 TOPS · FIRST 8

JBL42-173-35569

2.1 KM · Trilogy Operating, Inc. · Section with this well →

Wolfcamp3,694-1,080
Cline8,868-6,254
Strawn9,141-6,527
Devonian9,656-7,042
Fusselman9,778-7,164
Sylvan9,832-7,218
Ellenburger9,876-7,262
Ellenburger9,876-7,262

MLP42-173-39079

2.2 KM · Trilogy Operating, Inc. · Section with this well →

Santa Rosa2612,362
Rustler1,0511,572
Yates1,3711,252
Seven Rivers1,5361,087
Queen1,680943
Grayburg1,845778
San Andres2,001622
Glorieta2,989-366

10 TOPS · FIRST 8

V. E. Phillips42-173-36019

2.4 KM · Trilogy Operating, Inc. · Section with this well →

Wolfcamp5,858-3,224
Cline8,897-6,263
Strawn9,162-6,528
Atoka9,242-6,608
Mississippian9,484-6,850
Devonian9,676-7,042
Fusselman9,804-7,170
Ellenburger9,888-7,254

9 TOPS · FIRST 8

JBL42-173-35864

2.6 KM · Trilogy Operating, Inc. · Section with this well →

Santa Rosa3502,279
Rustler1,0171,612
Yates1,4581,171
Seven Rivers1,5701,059
Queen1,660969
Grayburg1,835794
San Andres1,995634
Glorieta2,954-325

19 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/17335757, documented in the API reference.