TEXAS · WELLS · HEMPHILL COUNTY · YOKLEY LEASE · API 42-211-31152 · DISTRICT 08
Yokley #1-108
Hemphill County · Canadian West (Morrow Upper) field · Producing · Vertical
Yokley #1-108 (API 42-211-31152) is a well in Hemphill County operated by Mmgl Txph LLC, completed October 26, 1979 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued September 7, 1979, permitted to 10,900 ft.
It was permitted by Slawson, Donald C. and has since transferred to Mmgl Txph LLC on the wellbore schedule.
Completion filings report 4 formation tops, including Base Of Heebner, Granite Wash, Thirteen Finger Lime, Morrow.
Its lease has reported 2.16K barrels of oil and 2.2M mcf of gas since January 1993, last reporting volume in April 2026.
Operator of record
Permitted by Slawson, Donald C.; the EWA schedule now lists a different operator.
- Based in
- Dallas, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jul 24, 2025
- Permits on file
- 10
- Phone
- (972) 701-8377
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Mmgl Txph LLC |
| Production reports | Mmgl Txph, LLCthrough Apr 2026 |
| Latest permit | Slawson, Donald C.Sep 7, 1979 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,900
- total depth, ft
- 1
- permits on file
- Sep 7, 1979
- last permit issued
- Oct 26, 1979
- completed
- 2.16K
- cumulative oil, bbl
- 2.2M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Apr 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Oct 26, 1979
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active – Extension (X)
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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Yokley G-14-85108 | Canadian, West (Morrow Upper) | Mmgl Txph, LLC | 1 | 2.16K | 2.2M | Jan 1993 – Apr 2026 |
Gas, mcf lease total
Last 12 months 33,005 · prior 12 4,585
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Vintage Petroleum, Inc.Jan 1993 → Dec 2001
- 2Samson Lone Star LPJan 2002 → Jun 2007
- 3Samson Lone Star, LLCJul 2007 → Oct 2016
- 4Tecolote Energy Operating, LLCNov 2016 → Dec 2019
- 5Blackbeard Operating, LLCJan 2020 → Sep 2023
- 6Mmgl Txph, LLCOct 2023 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 57746-99 | Drill | Slawson, Donald C. | Sep 7, 1979 | Sep 7, 1979 | Sep 10, 1979 | 10,900 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Oct 26, 1979 | Yokley G-14-85108 | Canadian West (Morrow Upper) | Mmgl Txph LLC | Producing | 10,900 |
Formation tops
As filed on W-2/G-1. Subsea from 2,368 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Base of Heebner | 6,436 | -4,068 |
| Granite Wash | 9,270 | -6,902 |
| Thirteen Finger Lime | 10,281 | -7,913 |
| MorrowMORROW SHALE | 10,358 | -7,990 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,656 | 10,664 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,533 | 11 | 850 S |
| 2.875 | 10,366 | — | — |
| 5.5 | 10,897 | 7.875 | 450 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 | May 23, 1988 | Apr 25, 1988 | — |
| 00 | Jan 12, 1984 | Nov 12, 1979 | — |
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 42-211-31152 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-211-31152 → 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/21131152, documented in the API reference.