TEXAS · WELLS · HEMPHILL COUNTY · API 42-211-31014 · DISTRICT 08
Isaacs 1 #101
Hemphill County · Mendota NW. (Cherokee) field · Vertical
Isaacs 1 #101 (API 42-211-31014) is a plugged well in Hemphill County, plugged October 4, 2011, last operated by Cimarex Energy CO. Of Colorado.
The RRC has issued 2 drilling permits between 1978 and 1991, permitted to 12,000 ft.
It was permitted by Chevron U. S. A. Inc. and has since transferred to Cimarex Energy CO. Of Colorado on the wellbore schedule.
Its 2 leases have reported 3.24K barrels of oil and 141K mcf of gas since January 1993, with no volume in the three years through April 2026.
Operator of record
Cimarex Energy Co. of Colorado
Permitted by Chevron U. S. A. Inc.; the EWA schedule now lists a different operator.
- Based in
- Midland, TX
- P-5 status
- Inactive (I)
- P-5 last filed
- Apr 28, 2025
- Permits on file
- 476
- Phone
- (432) 571-7800
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Cimarex Energy Co. of Colorado |
| Production reports | Cimarex Energy Co. of Coloradothrough Apr 1998 |
| Latest permit | Chevron U. S. A. Inc.Feb 15, 1991 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,000
- total depth, ft
- 2
- permits on file
- Feb 15, 1991
- last permit issued
- Apr 3, 1991
- completed
- 3.24K
- cumulative oil, bbl
- 141K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Apr 1998
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 3, 1991
- Shut in
- —
- Plugged
- Oct 4, 2011
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 2 leases this well is completed on; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Isaacs 1 G-14-138382 | Mendota, NW. (Cherokee) | Cimarex Energy Co. of Colorado | 1 | 3.24K | 141K | Jan 1993 – Apr 1998 |
| — G-14-81519 | — | — | 0 | 0 | 0 | — |
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.
- 1Wallace Oil & Gas, Inc.Jan 1993 → Sep 1995
- 2Parker & Parsley Development L.POct 1995 → Aug 1997
- 3Pioneer Natural Res. USA, Inc.Sep 1997 → Apr 1998
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 384718-99 | Recompletion | Chevron U. S. A. Inc. | Feb 15, 1991 | Feb 15, 1991 | Mar 6, 1991 | 11,500 |
| 28392-99 | Drill | Gulf Oil Corp. | Jul 13, 1978 | Jul 13, 1978 | Oct 19, 1978 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Apr 3, 1991 | Isaacs 1 G-14-138382 | Mendota NW. (Cherokee) | Cimarex Energy Co. of Colorado | Plugged | — |
| Dec 28, 1978 | Isaacs John C. G-14-81519 | Red Deer Creek (Novi) | Chevron U. S. A. Inc. | Plugged | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,942 | 9,997 | Perforated |
| 10,772 | 10,780 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 3,021 | — | 1,300 S |
| 7 | 11,004 | — | 350 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 | Aug 1, 1991 | May 9, 1991 | Yes |
| 00 | Jun 21, 1991 | — | — |
| 00 | Jan 12, 1984 | — | — |
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 42-211-31014 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-211-31014 → 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/21131014, documented in the API reference.