WELL · 42-461-30412 · DISTRICT 7
Mobil-Cook #6
Upton County · Heluma (Penn.) field · Vertical
Mobil-Cook #6 (API 42-461-30412) is a disposal or injection well in Upton County operated by Texas Pacific Oil Company Inc. under an active UIC permit.
The RRC has issued one drilling permit, issued September 8, 1992, permitted to 8,207 ft.
It was permitted by Oryx Energy Company and has since transferred to Texas Pacific Oil Company Inc. on the wellbore schedule.
Completion filings report 9 formation tops, including Wolfcamp, Strawn, Devonian, Ellenburger.
It holds an active disposal or injection permit, with 9.72K barrels injected in the 12 months reported through August 2025.
Operator of record
Texas Pacific Oil Company Inc.
Permitted by Oryx Energy Company; the EWA schedule now lists a different operator.
Dallas, TX · P-5 Y, filed Sep 15, 1982 · 589 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Texas Pacific Oil Company Inc. |
| Production reports | none |
| Latest permit | Oryx Energy CompanySep 8, 1992 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,207
- total depth, ft
- 1
- permits on file
- Sep 8, 1992
- last permit issued
- —
- completed
- 0
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- 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 |
|---|---|---|---|---|---|---|
| Mobil-Cook O-9-13411 | Heluma (Wolfcamp) | Extex Operating Company | 1 | 0 | 0 | Feb 1993 – Jul 2026 |
| Mobil Cook G-9-65313 | Heluma (Penn.) | Oryx Energy Company | 1 | 0 | 0 | Jan 1993 – Jan 1993 |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 402158-99 | Recompletion | Oryx Energy Company | Aug 10, 1992 | Sep 8, 1992 | Dec 8, 1992 | 8,207 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-9-65313 | — | — | — | — |
| — | — O-9-13411 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,871 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Wolfcamp | 6,902 | -4,031 |
| Strawn | 7,737 | -4,866 |
| StrawnSTRAWN DET | 7,737 | -4,866 |
| Devonian | 8,134 | -5,263 |
| Ellenburger | — | — |
| Fusselman | — | — |
| Grayburg | — | — |
| San AndresSAN ANDRES - SALTWATER FLOW | — | — |
| Spraberry | — | — |
| Yates | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,904 | 7,070 | Perforated |
| — | 8,066 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 510 | 17.5 | 500 S |
| 8.625 | 3,800 | 11 | 1,300 S |
| 5.5 | 8,207 | 7.875 | 650 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 | Aug 7, 2015 | Jul 22, 2015 | — |
| 00 | Apr 30, 1993 | Feb 12, 1993 | Yes |
| 00 | Mar 25, 1993 | — | — |
| 00 | Jan 12, 1984 | Mar 25, 1975 | — |
| 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 42-461-30412 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-30412 → 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.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 9.72K
- bbl, last 12 reported months
- 962K
- bbl, all reported
- Aug 2025
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000110599 | H-1 Injection | Active | 5,000 | 3,450 | 6,900–7,300 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 9,721 · prior 12 6,574(+48%)
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/46130412, documented in the API reference.