WELL · 42-417-35266 · DISTRICT 7
Cottle Heirs #12
Shackelford County · J. Lee (Lake Sand) field · Vertical
Cottle Heirs #12 (API 42-417-35266) is a plugged well in Shackelford County, plugged July 17, 2019, last operated by Momentum Operating CO. Inc..
The RRC has issued one drilling permit, issued July 19, 1983, permitted to 3,900 ft.
It was permitted by Texas Western Inc./Delaware and has since transferred to Momentum Operating CO. Inc. on the wellbore schedule.
Completion filings report 2 formation tops, including Caddo, Lake Sand.
Its lease has reported 3.78K barrels of oil and 63.1K mcf of gas since January 1993, last reporting in March 2020. The lease carries 4 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Texas Western Inc./Delaware; the EWA schedule now lists a different operator.
Albany, TX · P-5 Y, filed Jun 4, 2026 · 148 permits on file · (254) 559-7840
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Momentum Operating Co. Inc. |
| Production reports | Whitt Oil & Gas, Inc.through Jul 1999 |
| Latest permit | Texas Western Inc./DelawareJul 19, 1983 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 3,900
- total depth, ft
- 1
- permits on file
- Jul 19, 1983
- last permit issued
- Mar 23, 2000
- completed
- 3.78K
- cumulative oil, bbl
- 63.1K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Mar 2020
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Mar 23, 2000
- Shut in
- —
- Plugged
- Jul 17, 2019
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; they carry 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Cottle Heirs O-8-12153 | J. Lee (Lake Sand) | Momentum Operating Co., Inc. | 4 | 3.78K | 63.1K | Jan 1993 – Mar 2020 |
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.
- 1Momentum Operating Co., Inc.Jan 1993 → Nov 1998
- 2Whitt Oil & Gas, Inc.Dec 1998 → Jul 1999
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 201913-99 | Drill | Texas Western Inc./Delaware | Jul 19, 1983 | Jul 19, 1983 | Nov 2, 1983 | 3,900 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-8-12153 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 1,318 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| CaddoCADDO LIME | 3,430 | -2,112 |
| Lake Sand | 3,585 | -2,267 |
| Lake Sand | 3,588 | -2,270 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,588 | 3,598 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 100 | 12.25 | 70 S |
| 8.625 | 100 | 12.75 | 70 S |
| 4.5 | 3,625 | 7.875 | 150 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 12, 2002 | Jul 26, 2001 | — |
| 00 | Feb 4, 1987 | Dec 3, 1984 | — |
| 00 | Jan 1, 1987 | — | — |
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 42-417-35266 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-417-35266 → 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
- 237K
- bbl, all reported
- Jun 2020
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000086143 | H-1 Injection | Plugged Jul 26, 2019 | 200 | 1,750 | 3,588–3,598 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 0 · prior 12 0
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/41735266, documented in the API reference.