WELL · 42-211-30865 · DISTRICT 10
Federal -161- #161-2
Hemphill County · Mathers Ranch (Tonkawa) field · Vertical
Federal -161- #161-2 (API 42-211-30865) is a well in Hemphill County operated by Makar Production Company, completed August 27, 1977.
The RRC has issued one drilling permit, issued August 31, 1977, permitted to 8,000 ft.
It was permitted by Amarex, Inc. and has since transferred to Makar Production Company on the wellbore schedule.
Completion filings report 3 formation tops, including Brown Dolomite, Douglas, Tonkawa.
Its 2 leases have reported 2.99K barrels of oil and 314K mcf of gas since January 1993, last reporting in July 2026. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Amarex, Inc.; the EWA schedule now lists a different operator.
Graham, TX · P-5 Y, filed Mar 4, 2026 · 1 permits on file · (806) 683-8283
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Makar Production Company |
| Production reports | Makar Production Companythrough Apr 2026 |
| Latest permit | Amarex, Inc.Aug 31, 1977 |
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
- Aug 31, 1977
- last permit issued
- Aug 27, 1977
- completed
- 2.99K
- cumulative oil, bbl
- 314K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Aug 27, 1977
- Shut in
- —
- Plugged
- —
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; they carry 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Federal -161- G-14-293261 | Mathers Ranch (Tonkawa) | Makar Production Company | 1 | 0 | 2.51K | Sep 2022 – Jul 2026 |
| Federal -161- O-14-4235 | Mathers Ranch (Tonkawa) | Makar Production Company | 1 | 2.99K | 311K | Jan 1993 – Jul 2023 |
Gas, mcf lease total
Last 12 months 1,142 · prior 12 427(+167%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1TGX CorporationJan 1993 → Feb 1993
- 2Axis Energy CorporationMar 1993 → Dec 2015
- 3Occidental Energy Company, Inc.Jan 2002 → Sep 2006
- 4Makar Production CompanyFeb 2017 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 605-99 | Drill | Amarex, Inc. | Aug 31, 1977 | Aug 31, 1977 | Jun 22, 1977 | 8,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-14-293261 | — | — | — | — |
| — | — O-14-4235 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,364 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Brown Dolomite | 3,870 | -1,506 |
| DouglasDOUGLAS SAND | 7,224 | -4,860 |
| Tonkawa | 7,924 | -5,560 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,926 | 7,932 | Perforated |
| 7,926 | 7,948 | Perforated |
| 7,940 | 7,948 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,030 | 11 | 450 S |
| 8.625 | 1,030 | — | 450 S |
| 2.375 | 7,881 | — | — |
| 5.5 | 7,999 | 7.875 | 250 S |
| 5.5 | 7,999 | — | 250 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 | Oct 13, 2022 | Sep 15, 2022 | Yes |
| 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 42-211-30865 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-211-30865 → 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.
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/21130865, documented in the API reference.