WELL · 42-103-35912 · DISTRICT 8
McKnight M.B. #438H
Crane County · Running W (Wichita-Albany) field · Horizontal
Mcknight M.B. #438H (API 42-103-35912) is a horizontal well in Crane County operated by Ring Energy Inc., completed June 6, 2012.
The RRC has issued 2 drilling permits between 2011 and 2021, permitted to 5,700 ft.
It was permitted by Stronghold Energy II Oper, LLC and has since transferred to Ring Energy Inc. on the wellbore schedule.
Completion filings report 5 formation tops, including San Andres, Holt, Clear Fork, Tubb.
Its 2 leases have reported 4.89M barrels of oil and 29M mcf of gas since January 1993, last reporting in July 2026. The leases carry 178 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Stronghold Energy II Oper, LLC; the EWA schedule now lists a different operator.
Midland, TX · P-5 Y, filed Nov 4, 2025 · 997 permits on file · (855) 214-5188
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Ring Energy Inc. |
| Production reports | Ring Energy, Inc.through Apr 2026 |
| Latest permit | Stronghold Energy II Oper, LLCMar 22, 2021 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,700
- total depth, ft
- 2
- permits on file
- Mar 22, 2021
- last permit issued
- Jun 6, 2012
- completed
- 4.89M
- cumulative oil, bbl
- 29M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jun 6, 2012
- Shut in
- —
- Plugged
- —
Surface location
31.558169, -102.675786
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Crane County.
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 178 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| McKnight, M. B. O-10-18323 | Running W, N. (Holt) | Ring Energy, Inc. | 110 | 2M | 11.8M | Jan 1993 – Jul 2026 |
| McKnight, M.B. O-10-24277 | Running W (Wichita-Albany) | Ring Energy, Inc. | 68 | 2.9M | 17.2M | Jan 1993 – Jul 2026 |
Gas, mcf lease total
Last 12 months 1,338,748 · prior 12 1,835,646(-27%)
Oil, barrels lease total
Last 12 months 183,418 · prior 12 264,772(-31%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Pennzoil Petroleum CompanyJan 1993 → Jan 1995
- 2Pennzoil Exploration & Prod. Co.Feb 1995 → Feb 1999
- 3Pennzenergy Exp. & Prod., L.L.C.Mar 1999 → Mar 2000
- 4Devon Energy Production Co, L.P.Apr 2000 → Dec 2018
- 5Stronghold Energy II Oper, LLCJan 2019 → Aug 2022
- 6Ring Energy, Inc.Sep 2022 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 868313-99 | Recompletion | Stronghold Energy II Oper, LLC | Mar 10, 2021 | Mar 22, 2021 | Mar 30, 2021 | 5,500 |
| 728630-99 | Drill | Devon Energy Production Co, L.P. | Nov 18, 2011 | Nov 22, 2011 | Apr 6, 2012 | 5,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-18323 | — | — | — | — |
| — | — O-10-24277 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,700 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| San Andres | 2,985 | -285 |
| Holt | 3,538 | -838 |
| Clear Fork | 4,170 | -1,470 |
| Clear ForkCLEARFORK | 4,170 | -1,470 |
| Tubb | 4,539 | -1,839 |
| Tubb | 4,544 | -1,844 |
| Wichita-Albany | 5,078 | -2,378 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,925 | 4,775 | Perforated |
| 6,183 | 9,791 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 742 | 12.25 | 257 S |
| 7 | 5,858 | 8.75 | 1,133 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 | Sep 21, 2022 | May 23, 2022 | — |
| 00 | May 25, 2021 | May 11, 2021 | — |
| 00 | Dec 4, 2013 | Aug 14, 2012 | 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 42-103-35912 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-103-35912 → 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.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
McKnight, M.B.42-103-35059
0.2 KM · Stronghold Energy II Oper, LLC · Section with this well →
| San Andres | 2,992 | -292 |
| Judkins | 3,138 | -438 |
| Holt | 3,561 | -861 |
| Clear Fork | 4,190 | -1,490 |
| Tubb | 4,550 | -1,850 |
| Wichita-Albany | 5,106 | -2,406 |
| Wolfcamp | 5,728 | -3,028 |
McKnight, M.B.42-103-34872
0.3 KM · Ring Energy, Inc. · Section with this well →
| Holt | 3,707 | -1,008 |
| Glorieta | 4,030 | -1,331 |
| Clear Fork | 4,191 | -1,492 |
| Tubb | 4,541 | -1,842 |
| Whichita Albany | 5,130 | -2,431 |
| Wichita-Albany | 5,130 | -2,431 |
| Wolfcamp | 5,683 | -2,984 |
| Permian (undifferentiated) | 6,222 | -3,523 |
McKnight, M.B.42-103-34995
0.5 KM · Stronghold Energy II Oper, LLC · Section with this well →
| San Andres | 2,898 | -197 |
| Holt | 3,834 | -1,133 |
| Glorieta | 3,851 | -1,150 |
| Clear Fork | 4,138 | -1,437 |
| Tubb | 4,510 | -1,809 |
| Wichita-Albany | 4,996 | -2,295 |
| Wolfcamp | 5,648 | -2,947 |
| Permian (undifferentiated) | 6,110 | -3,409 |
McKnight, M.B.42-103-33282
0.5 KM · Stronghold Energy II Oper, LLC · Section with this well →
| Rustler | 503 | 2,197 |
| Yates | 1,699 | 1,001 |
| McElroy | 2,592 | 108 |
| San Angelo | 2,950 | -250 |
| Holt | 3,693 | -993 |
| Clear Fork | 4,178 | -1,478 |
| Clear Fork | 4,200 | -1,500 |
| Tubb | 4,501 | -1,801 |
9 TOPS · FIRST 8
McKnight, M.B.42-103-35516
0.6 KM · Stronghold Energy II Oper, LLC · Section with this well →
| Holt | 3,579 | -887 |
| Clear Fork | 4,197 | -1,505 |
| Tubb | 4,544 | -1,852 |
| Wichita-Albany | 5,099 | -2,407 |
| Wolfcamp | 5,644 | -2,952 |
McKnight, M.B.42-103-35494
0.6 KM · Stronghold Energy II Oper, LLC · Section with this well →
| San Andres | 2,959 | -261 |
| Holt | 3,563 | -865 |
| Clear Fork | 4,178 | -1,480 |
| Tubb | 4,525 | -1,827 |
| Wichita-Albany | 5,088 | -2,390 |
| Wolfcamp | 5,705 | -3,007 |
| Waddell | 6,290 | -3,592 |
McKnight, M.B.42-103-35405
0.6 KM · Stronghold Energy II Oper, LLC · Section with this well →
| San Andres | 2,989 | -289 |
| Holt | 3,849 | -1,149 |
| Clear Fork | 4,207 | -1,507 |
| Tubb | 4,562 | -1,862 |
| Wichita-Albany | 5,109 | -2,409 |
| Wolfcamp | 5,901 | -3,201 |
| Waddell | 6,330 | -3,630 |
McKnight, M.B.42-103-36283
0.6 KM · Ring Energy, Inc. · Section with this well →
| Rustler | 1,000 | 1,699 |
| Yates | 1,200 | 1,499 |
| Seven Rivers | 1,300 | 1,399 |
| Queen | 2,100 | 599 |
| Grayburg | 2,100 | 599 |
| Glorieta | 2,700 | -1 |
| Clear Fork | 2,900 | -201 |
| San Andres | 3,035 | -336 |
11 TOPS · FIRST 8
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/10335912, documented in the API reference.