WELL · 42-371-37302 · DISTRICT 8

Lehn #4

N

Pecos County · S.E.G. (Wichita-Albany) field  · Vertical

Lehn #4 (API 42-371-37302) is a well in Pecos County operated by N & O Oil CO., completed September 5, 2019.

The RRC has issued 2 drilling permits (amended once) between 2003 and 2021, permitted to 5,200 ft.

Completion filings report 14 formation tops, including Rustler, Yates, Queen, Queens.

Its 3 leases have reported 24K barrels of oil and 1.26M mcf of gas since January 1993, last reporting in July 2026. The leases carry 5 wells, so these are lease totals, not this well alone.

Operator of record

N & O Oil Co.

Imperial, TX · P-5 Y, filed Jan 5, 2026 · 3 permits on file · (432) 940-0073

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleN & O Oil Co.
Production reportsN & O Oil Co.through Apr 2026
Latest permitN & O Oil Co.Jan 29, 2021
5,200
total depth, ft
3
permits on file
Jan 29, 2021
last permit issued
Sep 5, 2019
completed
24K
cumulative oil, bbl
1.26M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Sep 5, 2019
Shut in
—
Plugged
—

Surface location

31.152830, -102.727297

OpenStreetMap → ·  Google Maps →

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

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Texas reports oil by lease, not by well. These are the 3 leases this well is completed on; they carry 5 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Masterson -E- O-10-28832Lehn-Apco (1600)N & O Oil Co.34.8K999Jan 1993 – Jul 2026
Lehn G-10-267635S.E.G. (Wichita-Albany)N & O Oil Co.10263KJul 2012 – Sep 2021
Lehn O-10-37407S.E.G. (Wichita-Albany)Four C Oil & Gas Corp.119.2K996KDec 2003 – Aug 2013

Oil, barrels lease total

Last 12 months 12 · prior 12 39(-69%)

050100150202420252026

Chain of custody

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

  1. 1Lawrence, C. F. & Assoc. Inc.Jan 1993 → Jul 1994
  2. 2Earnest Producing CorporationApr 1995 → Aug 2002
  3. 3Four C Oil & Gas Corp.Dec 2003 → Aug 2019
  4. 4N & O Oil Co.Mar 2004 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
867173-99RecompletionN & O Oil Co.Jan 19, 2021Jan 29, 2021Feb 6, 20211,950
533862-98DrillFour C Oil & Gas Corp.Oct 15, 2003Jul 7, 2003—5,200
533862-99DrillFour C Oil & Gas Corp.Jul 7, 2003Jul 7, 2003Aug 24, 20034,900

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-10-267635————
—— O-10-28832————
—— O-10-37407————

Formation tops

As filed on W-2/G-1. Subsea from 2,452 ft elevation.Download CSV →

FormationMD ftSubsea
Rustler5501,902
Yates1,4081,044
Queen1,615837
Queens1,615837
Queen1,670782
Wichita-Albany4,455-2,003
Witchita-Albany4,455-2,003
Dedrital4,900-2,448
CapitanCAPITAN REEF - HIGH FLOWS——
Grayburg——
O'Brien——
San AndresSAN ANDRES - USABLE QUALITY WATE——
Seven Rivers——
Soma——
Toborg——

Perforations

Perforated and open-hole intervals.

FromToType
1,7021,706Perforated
1,7141,721Perforated
1,7361,739Perforated
4,4854,788Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37551017450 S
8.6252,85011540 S
5.55,1507.875450 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
00Mar 25, 2021Feb 25, 2021—
00Apr 23, 2020Mar 5, 2020—
00May 10, 2013Aug 9, 2012Yes
00Feb 24, 2005Dec 11, 2003Yes
00Dec 16, 2004——

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) and the University Lands library. 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 →

Irt '73'42-371-36512

1.5 KM · Riata Energy, Inc. · Section with this well →

San Andres2,010433
Glorieta2,660-217
Clear Fork3,010-567
Clear Fork3,425-982
Wolfcamp3,868-1,425

Smith, Myron A. -D-42-371-32698

6.7 KM · Olsen Energy Inc. · Section with this well →

Seven River1,1901,316
Queen1,4701,036
San Andres1,863643
Glorieta2,550-44
Wichita-Albany3,672-1,166
Wichita-Albany4,260-1,754
Detrital4,866-2,360
Ellenburger4,906-2,400

Smith, Myron A. 'B'42-371-32523

6.7 KM · Olsen Energy Inc. · Section with this well →

Seven River1,1901,314
Seven Rivers1,1901,314
Queen1,4551,049
San Andres1,855649
Glorieta2,530-26
Wichita-Albany4,235-1,731
Ellenburger4,805-2,301

Smith, Myron A. -D-42-371-32853

7.2 KM · Olsen Energy Inc. · Section with this well →

Seven River1,1951,317
Queen1,4701,042
San Andres1,870642
Glorieta2,550-38
Wichita-Albany3,680-1,168
Wichita-Albany4,250-1,738
Ellenburger4,878-2,366

Atkins State '26'42-371-37030

7.8 KM · MBX Operating LLC · Section with this well →

Yates1,2401,268
Wichita-Albany4,704-2,196
McKee5,740-3,232
Waddeli6,542-4,034
Joins6,960-4,452
Ellenburger7,034-4,526

Pecos Valley/5400 Dev./Unit42-371-40293

8.3 KM · P.o.&g. Operating, LLC · Section with this well →

Montoya5,300-2,867
Devonian5,400-2,967
Canyon6,900-4,467
Bone Spring7,100-4,667
Caballos7,300-4,867
Strawn8,300-5,867
Wolfcamp12,000-9,567
Pennsylvanian12,900-10,467

10 TOPS · FIRST 8

Pecos Valley /5400 Dev./ Unit42-371-39576

8.7 KM · P.o.&g. Operating, LLC · Section with this well →

Rustler5001,936
Yates1,520916
Toborg—
Tubb—
Soma—
Seven Rivers—
Queen—
O'Brien—

10 TOPS · FIRST 8

Pecos Valley /5400 Dev./ Unit42-371-39578

8.9 KM · P.o.&g. Operating, LLC · Section with this well →

Toborg5001,947
Soma9001,547
Capitan1,0001,447
Rustler1,3001,147
Seven Rivers1,800647
Grayburg2,200247
O'Brien2,500-53
Yates2,900-453

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/37137302, documented in the API reference.