WELL · 42-429-35131 · DISTRICT 7

Mackaleen Unit #1

Mackaleen Unit #1 (API 42-429-35131) is a permitted well in Stephens County filed by Reef Exploration, Inc. (A-1); no completion report is on file yet.

The RRC has issued 3 drilling permits between 1989 and 1992, permitted to 5,000 ft.

Completion filings report 2 formation tops, including Caddo, Mississippian.

Its lease has reported 191 barrels of oil and 216 mcf of gas since January 1993, last reporting in August 1993.

Operator of record

Reef Exploration, Inc. (A-1)

Richardson, TX · P-5 Y, filed Oct 6, 2006 · 97 permits on file

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedule	none
Production reports	Reef Exploration, Inc. (A-1)through May 1993
Latest permit	Reef Exploration, Inc. (A-1)Dec 4, 1992

5,000: total depth, ft
3: permits on file
Dec 4, 1992: last permit issued
—: completed
191: cumulative oil, bbl
216: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Aug 1993

Regulatory status · RRC wellbore file

Schedule: OFF SCHEDULE
Completed: —
Shut in: —
Plugged: —

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 →

Lease	Field	Reporting operator	Wells	Oil, bbl	Gas, mcf	Reported
Mackaleen Unit O-8-25359	Lowell Ford (Mississippian)	Reef Exploration, Inc. (A-1)	1	191	216	Jan 1993 – Aug 1993

No volumes reported on these leases in the last three years.

Chain of custody

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

1Reef Exploration, Inc. (A-1)Jan 1993 → Feb 1993

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
405763-99	Recompletion	Reef Exploration, Inc. (A-1)	Nov 6, 1992	Dec 4, 1992	Sep 18, 1992	5,000
356339-99	Drill	Reef Exploration, Inc. (A-1)	Feb 22, 1989	Feb 24, 1989	—	5,000
355996-99	Drill	Reef Exploration, Inc. (A-1)	Feb 13, 1989	Feb 15, 1989	—	5,000

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— O-8-25359	—	—	—	—

Formation tops

As filed on W-2/G-1. Subsea from 1,157 ft elevation.Download CSV →

Formation	MD ft	Subsea
CaddoCADDO LIME	4,232	-3,075
MississippianMISS. REEF	4,393	-3,236

Perforations

Perforated and open-hole intervals.

From	To	Type
4,446	4,470	Perforated
4,477	4,480	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
8.625	179	12.25	130 S
4.5	4,538	7.875	250 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 →

Suffix	Filed	W-2 / G-1 date	Logs referenced
00	Jun 6, 1989	Apr 19, 1989	Yes
00	May 9, 1989	—	—

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.

Wellbore filings for 42-429-35131 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-429-35131 → scanned completion filings

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/42935131, documented in the API reference.