TEXAS · WELLS · DIMMIT COUNTY · ZIENTEK UNIT A LEASE · API 42-127-33911 · DISTRICT 01
Zientek Unit A #1H
Dimmit County · Briscoe Ranch (Eagleford) field · NO Production · Horizontal
- Fields on the latest permit · any of 3
- Briscoe Ranch (Eagleford) · Eagleville (Eagle Ford-1) · Hawkville (Eagleford Shale)
- Not one formation; the well must be completed in one of them, and no target formation is stated.
Zientek Unit A #1H (API 42-127-33911) is a horizontal well in Dimmit County operated by Ineos USA Oil & Gas LLC, completed January 15, 2012 and listed as no production on the RRC schedule, shut in April 1, 2025.
The RRC has issued one drilling permit, issued March 7, 2011, permitted to 6,972 ft.
It was permitted by Chesapeake Operating, Inc. and has since transferred to Ineos USA Oil & Gas LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Anacacho, Austin Chalk, Eagle Ford.
Its lease has reported 81.5K barrels of oil and 102K mcf of gas since May 2011, last reporting volume in March 2025.
Operator of record
Permitted by Chesapeake Operating, Inc.; the EWA schedule now lists a different operator.
- Based in
- Denver, CO
- P-5 status
- Active – Extension (X)
- P-5 last filed
- May 26, 2026
- Permits on file
- 98
- Phone
- (720) 764-3473
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Ineos USA Oil & Gas LLC |
| Production reports | Ineos USA Oil & Gas LLCthrough Mar 2025 |
| Latest permit | Chesapeake Operating, Inc.Mar 7, 2011 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,972
- total depth, ft
- 1
- permits on file
- Mar 7, 2011
- last permit issued
- Jan 15, 2012
- completed
- 81.5K
- cumulative oil, bbl
- 102K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 2012 THROUGH Mar 2025
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jan 15, 2012
- Shut in
- Apr 1, 2025
- 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 |
|---|---|---|---|---|---|---|
| Zientek Unit A O-1-15707 | Briscoe Ranch (Eagleford) | Ineos USA Oil & Gas LLC | 1 | 81.5K | 102K | May 2011 – Mar 2025 |
Oil, barrels lease total
Last 12 months 0 · prior 12 1(-100%)
Gas, mcf lease total
Last 12 months 0 · prior 12 0
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Chesapeake Operating, Inc.Feb 2012 → Oct 2014
- 2Chesapeake Operating, L.L.C.Nov 2014 → Mar 2023
- 3Ineos USA Oil & Gas LLCApr 2023 → Mar 2025
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 711354-99 | Drill | Chesapeake Operating, Inc. | Mar 2, 2011 | Mar 7, 2011 | Apr 14, 2011 | 9,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jan 15, 2012 | Zientek Unit A O-1-15707 | Briscoe Ranch (Eagleford) | Ineos USA Oil & Gas LLC | NO Production · shut in Apr 1, 2025 | 6,972 |
Formation tops
As filed on W-2/G-1. Subsea from 566 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Anacacho | 5,849 | -5,283 |
| Austin Chalk | 6,158 | -5,592 |
| Eagle Ford | 6,752 | -6,186 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,259 | 15,000 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 2,912 | 13.5 | 1,050 S |
| 5.5 | 15,122 | 8.75 | 3,420 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 | May 22, 2012 | Apr 9, 2012 | — |
| 00 | Apr 25, 2012 | Feb 3, 2012 | 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 42-127-33911 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-127-33911 → 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/12733911, documented in the API reference.