WELL · 42-383-33547 · DISTRICT 7

Rocker B "33" #1

Rocker B "33" #1 (API 42-383-33547) is a permitted well in Reagan County filed by Cass Oil Company; no completion report is on file yet.

The RRC has issued 2 drilling permits between 1984 and 1985, permitted to 7,100 ft.

Completion filings report 3 formation tops, including Santa Rosa, Spraberry, Dean.

Its lease has reported 8.03K barrels of oil and 33.8K mcf of gas since January 1993, last reporting in March 2004.

Operator of record

Cass Oil Company

Dallas, TX · P-5 Y, filed May 15, 1991 · 162 permits on file

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedule	none
Production reports	Endeavor Energy Resources L.P.through Mar 2003
Latest permit	Cass Oil CompanyAug 6, 1985

7,100: total depth, ft
2: permits on file
Aug 6, 1985: last permit issued
—: completed
8.03K: cumulative oil, bbl
33.8K: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Mar 2004

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
Rocker B 33 O-9-11665	Spraberry (Trend Area)	Endeavor Energy Resources L.P.	1	8.03K	33.8K	Jan 1993 – Mar 2004

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.

1Parker & Parsley Development Co.Jan 1993 → Feb 1995
2Parker & Parsley Development L.PMar 1995 → Jul 1996
3Stephens, Autry C.Aug 1996 → Aug 2000
4Endeavor Energy Resources L.P.Sep 2000 → Mar 2003

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
282039-99	Drill	Cass Oil Company	Aug 5, 1985	Aug 6, 1985	—	7,100
233789-99	Drill	Tiburon Petroleum Corporation	Mar 26, 1984	Mar 27, 1984	—	7,100

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— O-9-11665	—	—	—	—

Formation tops

As filed on W-2/G-1. Subsea from 2,565 ft elevation.Download CSV →

Formation	MD ft	Subsea
Santa Rosa	600	1,965
SpraberryUPPER SPRABERRY	5,330	-2,765
SpraberryLOWER SPRABERRY	5,940	-3,375
Dean	6,800	-4,235

Perforations

Perforated and open-hole intervals.

From	To	Type
5,337	5,366	Perforated
5,940	6,371	Perforated
6,803	6,940	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
8.625	605	12.25	350 S
4.5	7,100	7.875	1,050 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	Dec 12, 1985	Dec 2, 1985	Yes
00	Dec 10, 1985	—	—

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 42-383-33547 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-383-33547 → scanned completion filings

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.

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/38333547, documented in the API reference.