WELL · 42-185-30338 · DISTRICT 3
Cobb Unit 3 #3
Grimes County · Iola South (Sub-Clarksville) field · Vertical
Cobb Unit 3 #3 (API 42-185-30338) is a plugged well in Grimes County, plugged July 22, 2023, last operated by Ramtex Energy LLC.
The RRC has issued one drilling permit, issued June 30, 1983, permitted to 10,200 ft.
It was permitted by L & B Oil CO. Inc. and has since transferred to Ramtex Energy LLC on the wellbore schedule.
Its lease has reported 74.2K barrels of oil and 20.6K mcf of gas since January 1993, last reporting in July 2026.
Operator of record
Permitted by L & B Oil Co. Inc.; the EWA schedule now lists a different operator.
- Based in
- Tulsa, OK
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Apr 28, 2026
- Permits on file
- 20
- Phone
- (918) 936-4600
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Ramtex Energy LLC |
| Production reports | Ramtex Energy LLCthrough Dec 2014 |
| Latest permit | L & B Oil Co. Inc.Jun 30, 1983 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,200
- total depth, ft
- 1
- permits on file
- Jun 30, 1983
- last permit issued
- Dec 1, 1983
- completed
- 74.2K
- cumulative oil, bbl
- 20.6K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 1, 1983
- Shut in
- —
- Plugged
- Jul 22, 2023
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 |
|---|---|---|---|---|---|---|
| Cobb Unit 3 O-3-17051 | Iola, South (Sub-Clarksville) | Ramtex Energy LLC | 1 | 74.2K | 20.6K | Jan 1993 – Jul 2026 |
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.
- 1Vintage Petroleum, Inc.Jan 1993 → Nov 2001
- 2Chaparral (USA) Energy, Inc.Dec 2001 → Sep 2002
- 3Chaparral Energy, L.L.C.Oct 2002 → Jul 2014
- 4Ramtex Energy LLCAug 2014 → Dec 2014
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 200001-99 | Drill | L & B Oil Co. Inc. | Jun 30, 1983 | Jun 30, 1983 | — | 10,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-3-17051 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,976 | 8,990 | Perforated |
| — | 8,990 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 2,402 | 13.5 | 1,120 S |
| 2.875 | 8,885 | — | — |
| 5.5 | 9,201 | 8.75 | 445 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 | Jan 12, 1984 | Jul 29, 1983 | — |
| 00 | Jan 12, 1984 | — | — |
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 42-185-30338 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-185-30338 → 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/18530338, documented in the API reference.