TEXAS · WELLS · ATASCOSA COUNTY · CB UNIT LEASE · API 42-013-34811 · DISTRICT 01

CB Unit #1H

Shut in

Atascosa County · Indio Tanks (Pearsall) field · Shut In · Horizontal

CB Unit #1H (API 42-013-34811) is a horizontal well in Atascosa County operated by Murphy Expl. & Prod. CO. - USA, completed December 21, 2013 and listed as shut in on the RRC schedule, shut in December 1, 2013.

The RRC has issued one drilling permit, issued September 17, 2013, permitted to 12,384 ft.

Completion filings report 3 formation tops, including Olmos, Undifferentiated Chalk, Eagle Ford.

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

Operator of record

Murphy Expl. & Prod. Co. - USA

Based in: Houston, TX
P-5 status: Active – Extension (X)
P-5 last filed: May 15, 2026
Permits on file: 1,458
Phone: (281) 675-9000

Watch this operator Watch Atascosa County

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedule	Murphy Expl. & Prod. Co. - USA
Production reports	none
Latest permit	Murphy Expl. & Prod. Co. - USASep 17, 2013

12,384: total depth, ft
1: permits on file
Sep 17, 2013: last permit issued
Dec 21, 2013: completed
0: cumulative oil, bbl
0: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Dec 2013 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule: ON SCHEDULE
Completed: Dec 21, 2013
Shut in: Dec 1, 2013
Plugged: —

Operator's P-5 on the schedule: Active – Extension (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 →

Lease	Field	Reporting operator	Wells	Oil, bbl	Gas, mcf	Reported
CB Unit O-1-17584	Indio Tanks (Pearsall)	Murphy Expl. & Prod. Co. - USA	1	0	0	Dec 2013 – Jul 2026

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

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
769789-99	Drill	Murphy Expl. & Prod. Co. - USA	Sep 10, 2013	Sep 17, 2013	Oct 20, 2013	15,000

Completions

Completed	Lease	Field	Operator	Status	Depth
Dec 21, 2013	CB Unit O-1-17584	Indio Tanks (Pearsall)	Murphy Expl. & Prod. Co. - USA	Shut In · shut in Dec 1, 2013	12,384

Formation tops

As filed on W-2/G-1. Subsea from 249 ft elevation.Download CSV →

Formation	MD ft	Subsea
Olmos	7,847	-7,598
Undifferentiated Chalk	9,440	-9,191
Eagle Ford	9,687	-9,438

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
10.75	4,315	13.5	1,206 S
7.625	11,714	9.875	1,356 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 13, 2014	Mar 20, 2014	Yes

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 42-013-34811 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-013-34811 → 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/01334811, documented in the API reference.