WELL · 42-115-33166 · DISTRICT 8
CTL O'Brien #1R
Dawson County · Vertical
Ctl O'Brien #1R (API 42-115-33166) is a permitted well in Dawson County filed by Mak-J Energy Partners(TX),Ltd.; no completion report is on file yet.
The RRC has issued 2 drilling permits (amended once) between 2006 and 2010, permitted to 11,500 ft.
Completion filings report one formation top, including Spraberry.
Operator of record
Mak-J Energy Partners(tx),ltd.
Denver, CO · P-5 Y, filed Jul 6, 2014 · 136 permits on file · (432) 563-8800
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | none |
| Latest permit | Mak-J Energy Partners(tx),ltd.Feb 22, 2010 |
- 11,500
- total depth, ft
- 3
- permits on file
- Feb 22, 2010
- last permit issued
- —
- completed
- 0
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 2007 THROUGH Jul 2026
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 |
|---|---|---|---|---|---|---|
| O'Brien 265-18 O-11-69063 | Wildcat | Diamondback E&P LLC | 1 | 0 | 0 | Jan 2007 – Jul 2026 |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 691615-98 | Recompletion | Mak-J Energy Partners(tx),ltd. | Mar 18, 2010 | Feb 22, 2010 | — | 11,500 |
| 691615-99 | Recompletion | Mak-J Energy Partners(tx),ltd. | Feb 19, 2010 | Feb 22, 2010 | — | 11,500 |
| 622840-99 | Drill | R K Petroleum Corp. | Jul 19, 2006 | Jul 26, 2006 | Jan 9, 2007 | 8,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-11-69063 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,917 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Spraberry | 8,241 | -5,324 |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 380 | 17.5 | 335 S |
| 8.625 | 4,580 | 11 | 500 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 | May 9, 2007 | Feb 21, 2007 | Yes |
| 00 | Mar 2, 2007 | — | — |
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 42-115-33166 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-115-33166 → 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/11533166, documented in the API reference.