WELL · 42-499-00722 · DISTRICT 6
Blalock G. R. Unit #2
Wood County · Quitman (Rodessa) field · Vertical
Blalock G. R. Unit #2 (API 42-499-00722) is a well in Wood County operated by Sun Expl. & Prod. CO.-Longview, completed December 21, 1957.
The RRC has issued 3 drilling permits between 1986 and 2003, permitted to 8,392 ft.
It was permitted by Noble & Cantrell Expl. CO., Inc. and has since transferred to Sun Expl. & Prod. CO.-Longview on the wellbore schedule.
Completion filings report 2 formation tops, including Glen Rose, Rodessa.
Its 2 leases have reported 658 barrels of oil and 15.2K mcf of gas since January 1993, last reporting in July 2026. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Sun Expl. & Prod. Co.-Longview
Permitted by Noble & Cantrell Expl. Co., Inc.; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y · 88 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Sun Expl. & Prod. Co.-Longview |
| Production reports | Southwest Operating, Inc.-Tylerthrough Jan 2026 |
| Latest permit | Noble & Cantrell Expl. Co., Inc.Jan 31, 2003 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,392
- total depth, ft
- 3
- permits on file
- Jan 31, 2003
- last permit issued
- Dec 21, 1957
- completed
- 658
- cumulative oil, bbl
- 15.2K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 21, 1957
- 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 |
|---|---|---|---|---|---|---|
| Blalock, G. R. O-6-14209 | Quitman (Glen Rose,up) | Southwest Operating, Inc.-Tyler | 1 | 658 | 15.2K | Mar 2003 – Jul 2026 |
| Blalock, G. R. O-6-12023 | Quitman (Gloyd) | Noble & Cantrell Expl. Co., Inc. | 1 | 0 | 0 | Jan 1993 – Mar 2003 |
Oil, barrels lease total
Last 12 months 22 · prior 12 34(-35%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Noble & Cantrell Expl. Co., Inc.Mar 2003 → Jul 2006
- 25-N EnergyAug 2006 → Aug 2006
- 3Shiloh Operating LLCSep 2006 → Sep 2007
- 4Southwest Operating, Inc.-TylerOct 2007 → Jan 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 527941-99 | Recompletion | Noble & Cantrell Expl. Co., Inc. | Jan 31, 2003 | Jan 31, 2003 | Feb 3, 2003 | 8,385 |
| 398207-99 | Recompletion | Samson Resources Company | Apr 8, 1992 | Jun 16, 1992 | Oct 8, 1991 | 8,385 |
| 299610-99 | Recompletion | Sun Expl. & Prod. Co.-Longview | Mar 12, 1986 | Mar 14, 1986 | — | 8,392 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-6-12023 | — | — | — | — |
| — | — O-6-14209 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 455 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,280 | 7,290 | Perforated |
| 8,173 | 8,177 | Perforated |
| 8,173 | 8,213 | Perforated |
| 8,209 | 8,213 | Perforated |
| 8,250 | 8,260 | Perforated |
| 8,273 | 8,280 | Perforated |
| 8,316 | 8,326 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 813 | 13.375 | — |
| 10.75 | 813 | — | — |
| 7 | 8,383 | 9 | — |
| 7 | 8,392 | 9 | — |
| 7 | 8,392 | — | — |
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 | Apr 29, 2003 | Mar 17, 2003 | Yes |
| 00 | Mar 26, 2003 | Apr 6, 2001 | — |
| 00 | Aug 8, 2001 | Apr 6, 2001 | — |
| 00 | Feb 6, 1995 | Aug 1, 1994 | — |
| 00 | Aug 11, 1986 | Jun 10, 1986 | Yes |
| 00 | Aug 8, 1986 | — | — |
| 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 42-499-00722 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-499-00722 → 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.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 33.8K
- bbl, last 12 reported months
- 234K
- bbl, all reported
- Aug 2003
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000082811 | H-1 Injection | Canceled Nov 14, 2005 | 1,500 | 1,500 | 8,163–8,260 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 33,769 · prior 12 34,998(-4%)
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/49900722, documented in the API reference.