WELL · 42-105-42057 · DISTRICT 7
Halff 66 #1
Crockett County · Noelke (Clear Fork) field · Injection · Vertical
Halff 66 #1 (API 42-105-42057) is a well in Crockett County operated by Clark Oil CO., completed March 2, 2016 and listed as injection on the RRC schedule.
The RRC has issued one drilling permit, issued June 9, 2014, permitted to 8,000 ft.
It was permitted by Reliance Energy, Inc. and has since transferred to Clark Oil CO. on the wellbore schedule.
Completion filings report 8 formation tops, including Queen, San Andres, Leonard, Wolfcamp.
Its lease has reported 3.57K barrels of oil and 8.29K mcf of gas since November 2014, last reporting in July 2026.
It holds an active disposal or injection permit, with 11.2K barrels injected in the 12 months reported through June 2025.
Operator of record
Permitted by Reliance Energy, Inc.; the EWA schedule now lists a different operator.
Dallas, TX · P-5 Y, filed Jul 4, 2026 · (432) 290-4220
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Clark Oil Co. |
| Production reports | Reliance Energy, Inc.through Mar 2016 |
| Latest permit | Reliance Energy, Inc.Jun 9, 2014 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,000
- total depth, ft
- 1
- permits on file
- Jun 9, 2014
- last permit issued
- Mar 2, 2016
- completed
- 3.57K
- cumulative oil, bbl
- 8.29K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Nov 2014 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Mar 2, 2016
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
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 |
|---|---|---|---|---|---|---|
| Halff 66 O-9-18943 | Noelke (Clear Fork) | Clark Oil Co. | 1 | 3.57K | 8.29K | Nov 2014 – Jul 2026 |
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.
- 1Reliance Energy, Inc.Nov 2014 → Jan 2016
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 786122-99 | Drill | Reliance Energy, Inc. | May 2, 2014 | Jun 9, 2014 | Jul 28, 2014 | 8,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-18943 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,214 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Queen | 1,173 | 1,041 |
| San Andres | 1,576 | 638 |
| Leonard | 2,267 | -53 |
| Wolfcamp | 4,212 | -1,998 |
| Strawn | 5,849 | -3,635 |
| Ellenburger | 6,694 | -4,480 |
| Canyon | — | — |
| Devonian | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 1,780 | 2,045 | Perforated |
| 2,938 | 3,508 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 507 | 17.5 | 510 S |
| 8.625 | 2,358 | 11 | 561 S |
| 5.5 | 7,050 | 7.875 | 720 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 2, 2017 | Apr 21, 2017 | Yes |
| 00 | Apr 10, 2017 | Mar 7, 2017 | — |
| 00 | Oct 6, 2016 | Sep 14, 2016 | — |
| 00 | Jun 30, 2015 | May 20, 2015 | 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 42-105-42057 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-105-42057 → 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.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 11.2K
- bbl, last 12 reported months
- 507K
- bbl, all reported
- Jun 2025
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000114264 | W-14 Disposal | Active | 5,000 | 890 | 1,780–2,045 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 11,213 · prior 12 12,417(-10%)
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/10542057, documented in the API reference.