TEXAS · WELLS · HEMPHILL COUNTY · CLIFFORD 30 LEASE · API 42-211-34765 · DISTRICT 08
Clifford 30 #4H
Hemphill County · Buffalo Wallow (Granite Wash) field · Producing · Horizontal
Clifford 30 #4H (API 42-211-34765) is a horizontal well in Hemphill County operated by Mmgl Txph LLC, completed March 19, 2011 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued August 3, 2010, permitted to 11,322 ft.
It was permitted by Samson Lone Star, LLC and has since transferred to Mmgl Txph LLC on the wellbore schedule.
Completion filings report 2 formation tops, including Oswego, Granite Wash.
Its lease has reported 47.2K barrels of oil and 3.03M mcf of gas since December 2010, last reporting volume in April 2026.
Operator of record
Permitted by Samson Lone Star, LLC; 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 | Samson Lone Star, LLCAug 3, 2010 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,322
- total depth, ft
- 1
- permits on file
- Aug 3, 2010
- last permit issued
- Mar 19, 2011
- completed
- 47.2K
- cumulative oil, bbl
- 3.03M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Mar 2011 THROUGH Apr 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Mar 19, 2011
- 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 |
|---|---|---|---|---|---|---|
| Clifford 30 G-14-261766 | Buffalo Wallow (Granite Wash) | Mmgl Txph, LLC | 1 | 47.2K | 3.03M | Dec 2010 – Apr 2026 |
Gas, mcf lease total
Last 12 months 64,146 · prior 12 56,580(+13%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Samson Lone Star, LLCMar 2011 → Jun 2011
- 2Chevron U. S. A. Inc.Jul 2011 → Nov 2016
- 3Tecolote Energy Operating, LLCDec 2016 → Dec 2019
- 4Blackbeard Operating, LLCJan 2020 → Sep 2023
- 5Mmgl Txph, LLCOct 2023 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 699945-99 | Drill | Samson Lone Star, LLC | Jul 29, 2010 | Aug 3, 2010 | Sep 8, 2010 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Mar 19, 2011 | Clifford 30 G-14-261766 | Buffalo Wallow (Granite Wash) | Mmgl Txph LLC | Producing | 11,322 |
Formation tops
As filed on W-2/G-1. Subsea from 2,639 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| OswegoOSWEGO LIME | 10,733 | -8,094 |
| OswegoBASE OSWEGO | 10,761 | -8,122 |
| Granite Wash | 10,931 | -8,292 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,710 | 16,010 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 715 | 17.5 | 1,595 S |
| 9.625 | 6,610 | 12.25 | 730 S |
| 7 | 11,647 | 8.75 | 500 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 | Mar 6, 2012 | Apr 18, 2011 | — |
| 00 | Jan 9, 2012 | Mar 2, 2011 | 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 42-211-34765 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-211-34765 → 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/21134765, documented in the API reference.