WELL · 42-149-33040 · DISTRICT 3
Cochise Unit #1
Fayette County · Giddings (Austin Chalk-3) field · Horizontal
Cochise Unit #1 (API 42-149-33040) is a plugged horizontal well in Fayette County, plugged October 19, 2017, last operated by Enervest Operating L.L.C..
The RRC has issued one drilling permit (amended 3 times), issued April 16, 1997, permitted to 12,600 ft.
It was permitted by Union Pacific Resources Company and has since transferred to Enervest Operating L.L.C. on the wellbore schedule.
Completion filings report one formation top, including Austin Chalk.
Its lease has reported 306K barrels of oil and 1.56M mcf of gas since August 1997, last reporting in April 2018.
Operator of record
Permitted by Union Pacific Resources Company; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jan 13, 2026
- Permits on file
- 1,249
- Phone
- (713) 659-3500
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Enervest Operating L.L.C. |
| Production reports | Enervest Operating, L.L.C.through Apr 2017 |
| Latest permit | Union Pacific Resources CompanyApr 16, 1997 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,600
- total depth, ft
- 4
- permits on file
- Apr 16, 1997
- last permit issued
- Aug 4, 1997
- completed
- 306K
- cumulative oil, bbl
- 1.56M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 1997 THROUGH Apr 2018
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Aug 4, 1997
- Shut in
- —
- Plugged
- Oct 19, 2017
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 |
|---|---|---|---|---|---|---|
| Cochise Unit O-3-23340 | Giddings (Austin Chalk-3) | Enervest Operating, L.L.C. | 1 | 306K | 1.56M | Aug 1997 – Apr 2018 |
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.
- 1Union Pacific Resources CompanyAug 1997 → Jan 2001
- 2Rme Petroleum CompanyFeb 2001 → Nov 2002
- 3Anadarko E&P Company LPDec 2002 → Jul 2007
- 4Enervest Operating, L.L.C.Aug 2007 → Apr 2017
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 459271-96 | Drill | Union Pacific Resources Company | Oct 2, 1997 | Apr 16, 1997 | — | 12,600 |
| 459271-97 | Drill | Union Pacific Resources Company | May 9, 1997 | Apr 16, 1997 | Jun 9, 1997 | 12,600 |
| 459271-98 | Drill | Union Pacific Resources Company | May 7, 1997 | Apr 16, 1997 | — | 12,600 |
| 459271-99 | Drill | Union Pacific Resources Company | Feb 28, 1997 | Apr 16, 1997 | — | 12,600 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-3-23340 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 256 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Austin Chalk | 11,542 | -11,286 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,587 | 15,053 | Perforated |
| 11,587 | 15,615 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,858 | 14.75 | 1,075 S |
| 7.625 | 11,590 | 9.875 | 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 | Nov 17, 1997 | Aug 21, 1997 | Yes |
| 00 | Nov 7, 1997 | — | — |
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 42-149-33040 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-149-33040 → 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/14933040, documented in the API reference.