WELL · 42-255-31819 · DISTRICT 2
Colleen Unit A #1
Karnes County · Eagleville (Eagle Ford-2) field · Shut IN · Horizontal
Colleen Unit A #1 (API 42-255-31819) is a horizontal well in Karnes County operated by Burlington Resources O & G CO LP, completed July 25, 2011 and listed as shut in on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued December 20, 2010, permitted to 14,000 ft.
Completion filings report 3 formation tops, including Pecan Gap, Austin Chalk, Eagle Ford.
Its lease has reported 865K barrels of oil and 1.65M mcf of gas since July 2011, last reporting in July 2026. The lease carries 2 wells, so these are lease totals, not this well alone.
Operator of record
Burlington Resources O & G Co LP
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Oct 30, 2025
- Permits on file
- 5,133
- Phone
- (832) 486-2737
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Burlington Resources O & G Co LP |
| Production reports | Burlington Resources O & G Co LPthrough Apr 2026 |
| Latest permit | Burlington Resources O & G Co LPDec 20, 2010 |
- 14,000
- total depth, ft
- 2
- permits on file
- Dec 20, 2010
- last permit issued
- Jul 25, 2011
- completed
- 865K
- cumulative oil, bbl
- 1.65M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jul 2011 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jul 25, 2011
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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; they carry 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Colleen Unit A O-2-9706 | Eagleville (Eagle Ford-2) | Burlington Resources O & G Co LP | 2 | 865K | 1.65M | Jul 2011 – Jul 2026 |
Oil, barrels lease total
Last 12 months 14,630 · prior 12 6,783(+116%)
Gas, mcf lease total
Last 12 months 34,669 · prior 12 12,025(+188%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Burlington Resources O & G Co LPJul 2011 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 707225-98 | Drill | Burlington Resources O & G Co LP | Sep 27, 2011 | Dec 20, 2010 | Jan 14, 2011 | 14,000 |
| 707225-99 | Drill | Burlington Resources O & G Co LP | Dec 16, 2010 | Dec 20, 2010 | Jan 14, 2011 | 14,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-2-9706 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 306 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Pecan Gap | 11,945 | -11,639 |
| Austin Chalk | 12,113 | -11,807 |
| Eagle Ford | 12,403 | -12,097 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 12,734 | 17,546 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 3,509 | 13.5 | 1,420 S |
| 5.5 | 17,732 | 8.5 | 1,620 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 26, 2012 | Sep 9, 2011 | 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 42-255-31819 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-255-31819 → 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/25531819, documented in the API reference.