WELL · 42-417-34813 · DISTRICT 7
Diller #44
Shackelford County · Shackelford County Regular field · Vertical
Diller #44 (API 42-417-34813) is a plugged well in Shackelford County, plugged June 22, 1986, last operated by Comanche Well Service Corp..
The RRC has issued one drilling permit, issued October 27, 1982, permitted to 1,850 ft.
It was permitted by Concho Operating CO. and has since transferred to Comanche Well Service Corp. on the wellbore schedule.
Completion filings report 2 formation tops, including U/Tannehill, L/Tannehill.
Operator of record
Permitted by Concho Operating Co.; the EWA schedule now lists a different operator.
Plano, TX · P-5 Y, filed Dec 4, 2025 · 8 permits on file · (214) 394-0947
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Comanche Well Service Corp. |
| Production reports | none |
| Latest permit | Concho Operating Co.Oct 27, 1982 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 1,850
- total depth, ft
- 1
- permits on file
- Oct 27, 1982
- last permit issued
- Apr 15, 1983
- completed
- —
- cumulative oil, bbl
- —
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 15, 1983
- Shut in
- —
- Plugged
- Jun 22, 1986
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.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 175620-99 | Drill | Concho Operating Co. | Oct 27, 1982 | Oct 27, 1982 | — | 1,850 |
Formation tops
As filed on W-2/G-1. Subsea from 1,383 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| U/Tannehill | 694 | 689 |
| L/Tannehill | 724 | 659 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 724 | 742 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 2.375 | 721 | — | — |
| 4.5 | 762 | 7.875 | 220 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 | Feb 10, 1984 | Dec 8, 1983 | — |
| 00 | Jan 12, 1984 | Dec 8, 1983 | — |
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 42-417-34813 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-417-34813 → 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.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 0
- bbl, last 12 reported months
- 6.75K
- bbl, all reported
- Apr 1985
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000047174 | H-1 Injection | Plugged Sep 29, 1986 | 100 | 350 | 724–742 |
MONTHLY INJECTED, BBL · H-10 · LAST 16 REPORTED MONTHS
Last 12 months 1,483
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/41734813, documented in the API reference.