TEXAS · WELLS · BURLESON COUNTY · COLLEY-TREYBIG UNIT LEASE · API 42-051-33428 · DISTRICT 03
Colley-Treybig Unit #1
Burleson County · Giddings (Austin Chalk-3) field · Producing · Horizontal
Colley-Treybig Unit #1 (API 42-051-33428) is a horizontal well in Burleson County operated by Magnolia Oil & Gas Operating LLC, completed June 16, 1994 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued April 12, 1994, permitted to 11,170 ft.
It was permitted by Union Pacific Resources Company and has since transferred to Magnolia Oil & Gas Operating LLC on the wellbore schedule.
Completion filings report 6 formation tops, including Midway, Navarro, Pecan Gap, Austin Chalk.
Its lease has reported 457K barrels of oil and 530K mcf of gas since July 1994, last reporting volume in April 2026.
Operator of record
Magnolia Oil & Gas Operating LLC
Permitted by Union Pacific Resources Company; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- May 6, 2026
- Permits on file
- 617
- Phone
- (713) 842-9050
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Magnolia Oil & Gas Operating LLC |
| Production reports | Magnolia Oil & Gas Operating LLCthrough Apr 2026 |
| Latest permit | Union Pacific Resources CompanyApr 12, 1994 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,170
- total depth, ft
- 1
- permits on file
- Apr 12, 1994
- last permit issued
- Jun 16, 1994
- completed
- 457K
- cumulative oil, bbl
- 530K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jul 1994 THROUGH Apr 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jun 16, 1994
- 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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Colley-Treybig Unit O-3-22555 | Giddings (Austin Chalk-3) | Magnolia Oil & Gas Operating LLC | 1 | 457K | 530K | Jul 1994 – Apr 2026 |
Oil, barrels lease total
Last 12 months 6,329 · prior 12 7,445(-15%)
Gas, mcf lease total
Last 12 months 8,717 · prior 12 10,741(-19%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Union Pacific Resources CompanyJul 1994 → Jan 2001
- 2Rme Petroleum CompanyFeb 2001 → Nov 2002
- 3Anadarko E&P Company LPDec 2002 → Dec 2012
- 4Anadarko E&P Onshore LLCJan 2013 → Aug 2016
- 5Treadstone Energy Prtnr OP, LLCSep 2016 → Nov 2021
- 6LRR Pecos Valley, LLCDec 2021 → Nov 2023
- 7Magnolia Oil & Gas Operating LLCDec 2023 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 422933-99 | Drill | Union Pacific Resources Company | Apr 12, 1994 | Apr 12, 1994 | Apr 18, 1994 | 7,550 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jun 16, 1994 | Colley-Treybig Unit O-3-22555 | Giddings (Austin Chalk-3) | Magnolia Oil & Gas Operating LLC | Producing | 11,170 |
Formation tops
As filed on W-2/G-1. Subsea from 450 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Midway | 3,040 | -2,590 |
| Navarro | 3,840 | -3,390 |
| Pecan Gap | 5,224 | -4,774 |
| Austin Chalk | 6,443 | -5,993 |
| Buda | 6,858 | -6,408 |
| Georgetown | 6,991 | -6,541 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,500 | 10,968 | Perforated |
| 6,574 | 7,937 | Perforated |
| 6,801 | 10,980 | Perforated |
| 7,196 | 11,137 | Perforated |
| 7,217 | 11,170 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,500 | 14.75 | 832 S |
| — | 7,196 | — | 409 S |
| 7.625 | — | 9.875 | 879 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Dec 1, 1994 | Oct 6, 1994 | Yes |
| 00 | Nov 22, 1994 | — | — |
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 42-051-33428 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-051-33428 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.
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/05133428, documented in the API reference.