WELL · 42-039-31871 · DISTRICT 3

Lockhart Bank Unit 1 #5ST

Lockhart Bank Unit 1 #5ST (API 42-039-31871) is a permitted well in Brazoria County filed by Caskids Operating Company; no completion report is on file yet.

The RRC has issued 7 drilling permits between 1982 and 2013, permitted to 12,500 ft.

Completion filings report 6 formation tops, including #35, #39, #43, #48.

Its 4 leases have reported 39.2K barrels of oil and 1.06M mcf of gas since January 1993, last reporting in March 2019. The leases carry 5 wells, so these are lease totals, not this well alone.

Operator of record

Caskids Operating Company

Houston, TX · P-5 Y, filed Apr 4, 2026 · 80 permits on file · (713) 249-4815

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedule	none
Production reports	Cornerstone Energy, Inc.through Dec 2007
Latest permit	Caskids Operating CompanyJan 10, 2013

12,500: total depth, ft
7: permits on file
Jan 10, 2013: last permit issued
—: completed
39.2K: cumulative oil, bbl
1.06M: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Mar 2019

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 4 leases this well is completed on; they carry 5 wells in total, so volumes are shared.Why →

Lease	Field	Reporting operator	Wells	Oil, bbl	Gas, mcf	Reported
Lockhart Bank Unit No. 1 G-3-169093	Alvin, South (#41)	Hockley Energy, Inc.	1	0	143K	Apr 1998 – Mar 2019
Lockhart Bank Unit 1 G-3-193445	Alvin, South (#38)	Hockley Energy, Inc.	1	0	226K	Feb 2003 – Mar 2019
Lockhart Bank Unit No. 3 O-3-20075	Alvin, South (39 Seg. D)	Rosetta Resources Operating LP	2	39.2K	63.4K	Jan 1993 – Mar 2008
Lockhart Bank Unit No. 1 G-3-141806	Alvin, South (#48)	Sheridan Energy,inc.	1	0	624K	Jan 1993 – Apr 1998

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.

1Bridge Oil Company, L. P.Jan 1993 → Sep 1994
2Parker & Parsley Development L.POct 1994 → Jan 1995
3Parker & Parsley Producing L.P.Feb 1995 → Oct 1997
4Pioneer Resources Producing, L.PNov 1997 → Nov 1997
5Sheridan Energy,inc.Dec 1997 → Sep 1999
6Calpine Natural Gas L.P.Dec 2002 → Oct 2003
7Cornerstone Energy, Inc.Nov 2003 → Dec 2007

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
752475-99	Recompletion	Caskids Operating Company	Nov 30, 2012	Jan 10, 2013	—	11,000
527545-99	Recompletion	Calpine Natural Gas L.P.	Jan 21, 2003	Jan 21, 2003	Jan 17, 2003	10,000
484047-99	Recompletion	Sheridan Energy,inc.	Apr 22, 1999	Apr 22, 1999	—	9,820
477913-99	Recompletion	Sheridan Energy,inc.	Jul 14, 1998	Jul 23, 1998	Feb 20, 1998	10,538
400061-99	Recompletion	Bridge Oil Company, L. P.	Jun 9, 1992	Jun 16, 1992	Jun 19, 1992	12,050
343358-99	Recompletion	Petrus Oil Company, L.P.	Mar 1, 1988	Mar 1, 1988	—	10,755
179549-99	Drill	Superior Oil Company, The	Dec 9, 1982	Dec 9, 1982	Dec 22, 1982	12,500

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— G-3-141806	—	—	—	—
—	— G-3-169093	—	—	—	—
—	— G-3-193445	—	—	—	—
—	— O-3-20075	—	—	—	—

Formation tops

As filed on W-2/G-1. Subsea from 64 ft elevation.Download CSV →

Formation	MD ft	Subsea
#35	9,512	-9,448
#39	9,806	-9,742
#43	10,286	-10,222
#48	10,696	-10,632
#48	10,704	-10,640
#51	11,050	-10,986
Previously Submitted	—	—

Perforations

Perforated and open-hole intervals.

From	To	Type
9,812	9,818	Perforated
9,851	9,854	Perforated
10,042	10,060	Perforated
10,706	10,714	Perforated
10,726	10,736	Perforated
10,758	10,762	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
13.625	2,457	17.5	1,590 S
9.625	10,387	12.25	500 S
2.875	10,660	—	—

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 →

Filed	W-2 / G-1 date	Logs referenced
Apr 14, 2003	Mar 5, 2003	Yes
Mar 27, 2003	—	—
Aug 7, 1998	Jun 12, 1998	Yes
Jul 31, 1998	—	—
Aug 20, 1992	Apr 23, 1992	Yes
Aug 6, 1992	—	—
May 31, 1988	May 9, 1988	Yes
May 13, 1988	—	—
Jan 12, 1984	Mar 31, 1983	—

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 42-039-31871 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-039-31871 → 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/03931871, documented in the API reference.