WELL · 42-211-30002 · DISTRICT 10
Clifford #1
Hemphill County · Buffalo Wallow (Granite Wash) field · Producing · Vertical
Clifford #1 (API 42-211-30002) is a well in Hemphill County operated by Mmgl Txph LLC, completed July 28, 2003 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued May 10, 2002, permitted to 20,733 ft.
It was permitted by Chevron U. S. A. Inc. and has since transferred to Mmgl Txph LLC on the wellbore schedule.
Completion filings report 10 formation tops, including Douglas, Cleveland, Oswego, G/W.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Chevron U. S. A. Inc.; 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 | Chevron U. S. A. Inc. |
| Production reports | Mmgl Txph, LLCthrough Apr 2026 |
| Latest permit | Chevron U. S. A. Inc.May 10, 2002 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 20,733
- total depth, ft
- 1
- permits on file
- May 10, 2002
- last permit issued
- Jul 28, 2003
- completed
- 0
- cumulative oil, bbl
- 1.39M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jul 28, 2003
- 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 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 |
|---|---|---|---|---|---|---|
| Clifford G-14-191504 | Buffalo Wallow (Granite Wash) | Mmgl Txph, LLC | 1 | 0 | 184K | Jul 2002 – Jul 2026 |
| Clifford G-14-49788 | Buffalo Wallow (Morrow) | Chevron U. S. A. Inc. | 1 | 0 | 1.21M | Jan 1993 – Jul 2002 |
Gas, mcf lease total
Last 12 months 11,998 · prior 12 2,322(+417%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Chevron U. S. A. Inc.Jan 1993 → Nov 2016
- 2Tecolote Energy Operating, LLCDec 2016 → Jul 2019
- 3Mmgl Txph, LLCSep 2024 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 519880-99 | Recompletion | Chevron U. S. A. Inc. | May 10, 2002 | May 10, 2002 | May 17, 2002 | 14,470 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jul 28, 2003 | Clifford G-14-191504 | Buffalo Wallow (Granite Wash) | Mmgl Txph LLC | Producing | 20,733 |
| May 31, 1991 | Clifford G-14-49788 | Buffalo Wallow (Morrow) | Chevron U. S. A. Inc. | Not on Schedule | — |
| Nov 24, 1969 | Clifford G-14-47370 | Buffalo Wallow (Hunton 19600) | Gulf Oil Corp. | Not on Schedule | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,646 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,440 | 11,462 | Perforated |
| 11,650 | 11,680 | Perforated |
| 13,916 | 13,924 | Perforated |
| 13,916 | 14,138 | Perforated |
| 14,122 | 14,138 | Perforated |
| 20,249 | 20,498 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 20 | 896 | 24 | 1,050 S |
| 20 | 896 | — | 1,050 S |
| 13.375 | 6,530 | 17.5 | 640 S |
| 13.375 | 6,530 | — | 640 S |
| 5.5 | 11,689 | — | 740 S |
| 10.75 | 13,541 | 12.25 | 1,070 S |
| 10.75 | 13,541 | — | 1,070 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 6, 2003 | Aug 8, 2003 | — |
| 00 | Apr 3, 2003 | Oct 7, 2002 | Yes |
| 00 | Nov 27, 2002 | — | — |
| 00 | Aug 7, 1991 | Jul 19, 1991 | — |
| 00 | Jan 12, 1984 | Dec 20, 1969 | — |
| 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 42-211-30002 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-211-30002 → 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/21130002, documented in the API reference.