WELL · 42-483-31532 · DISTRICT 10

Duncan #4

Y

Wheeler County · MO-Tex (Meisner) field · Producing  · Vertical

Duncan #4 (API 42-483-31532) is a well in Wheeler County operated by Makar Production Company, completed June 4, 1998 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued March 6, 1998, permitted to 13,200 ft.

It was permitted by Cambridge Production, Inc. and has since transferred to Makar Production Company on the wellbore schedule.

Completion filings report 5 formation tops, including Brown Dolo., Heebner Shale, Pennsylvanian, Woodford.

No lease production has been reported under this well’s leases.

Operator of record

Makar Production Company

Permitted by Cambridge Production, Inc.; the EWA schedule now lists a different operator.

Graham, TX · P-5 Y, filed Mar 4, 2026 · 1 permits on file · (806) 683-8283

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleMakar Production Company
Production reportsMakar Production Companythrough Apr 2026
Latest permitCambridge Production, Inc.Mar 6, 1998

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

13,200
total depth, ft
1
permits on file
Mar 6, 1998
last permit issued
Jun 4, 1998
completed
0
cumulative oil, bbl
742K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jun 1998 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jun 4, 1998
Shut in
—
Plugged
—

Operator's P-5 on the schedule: 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
Duncan G-14-169662MO-Tex (Meisner)Makar Production Company10742KJun 1998 – Jul 2026

Gas, mcf lease total

Last 12 months 10,849 · prior 12 11,859(-9%)

05001K1.5K202420252026

Chain of custody

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

  1. 1Cambridge Production, Inc.Jun 1998 → Sep 2003
  2. 2Windsor Energy Group, L.L.C.Oct 2003 → Feb 2010
  3. 3Wynn-Crosby Operating, Ltd.Mar 2010 → Dec 2015
  4. 4Eagle Oil & Gas Co.May 2019 → Aug 2020
  5. 5Makar Production CompanySep 2020 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
473816-99DrillCambridge Production, Inc.Feb 26, 1998Mar 6, 1998Apr 15, 199813,200

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-14-169662————

Formation tops

As filed on W-2/G-1. Subsea from 2,656 ft elevation.Download CSV →

FormationMD ftSubsea
Brown Dolo.4,240-1,584
Heebner Shale7,088-4,432
PennsylvanianBASAL PENN WASH12,477-9,821
Woodford12,704-10,048
Hunton12,885-10,229

Perforations

Perforated and open-hole intervals.

FromToType
12,76212,774Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37542317.5435 S
8.6253,22712.251,450 S
5.513,0057.875400 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
00Sep 23, 1998Jun 26, 1998Yes
00Sep 9, 1998——

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/48331532, documented in the API reference.