WELL · 42-499-00640 · DISTRICT 6
Blalock J. R. -A- #2
Wood County · Quitman (Sub-Clarksville) field · Shut IN · Vertical
Blalock J. R. -A- #2 (API 42-499-00640) is a well in Wood County operated by Atlas Operating LLC, completed June 26, 2002 and listed as shut in on the RRC schedule, shut in October 1, 2015.
The RRC has issued one drilling permit, issued July 8, 1986, permitted to 6,345 ft.
It was permitted by Shell Western E&P Inc. and has since transferred to Atlas Operating LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Sub-Clarksville, Derr, Eagle Ford.
Its lease has reported 68.7K barrels of oil and 2.81K mcf of gas since January 1993, last reporting in July 2026. The lease carries 6 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Shell Western E&P Inc.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active – Hearing (H)
- P-5 last filed
- Mar 9, 2026
- Permits on file
- 78
- Phone
- (281) 893-9400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Atlas Operating LLC |
| Production reports | Atlas Operating LLCthrough Mar 2026 |
| Latest permit | Shell Western E&P Inc.Jul 8, 1986 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,345
- total depth, ft
- 1
- permits on file
- Jul 8, 1986
- last permit issued
- Jun 26, 2002
- completed
- 68.7K
- cumulative oil, bbl
- 2.81K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jun 26, 2002
- Shut in
- Oct 1, 2015
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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; they carry 6 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Blalock, J. R. -A- O-6-1439 | Quitman (Sub-Clarksville) | Atlas Operating LLC | 6 | 68.7K | 2.81K | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 1,274 · prior 12 1,315(-3%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Shell Western E&P Inc.Jan 1993 → Apr 1993
- 2Cross Timbers Operating CompanyMay 1993 → Dec 1994
- 3J-O'B Operating CompanyAug 1997 → Oct 2001
- 4Gaither Petroleum CorporationNov 2001 → Aug 2004
- 5Pioneer Exploration, Ltd.Dec 2004 → Jan 2008
- 6Pioneer Exploration, LLCMar 2008 → Mar 2010
- 7Atlas Operating LLCApr 2010 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 303923-99 | Recompletion | Shell Western E&P Inc. | Jun 25, 1986 | Jul 8, 1986 | — | 6,343 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jun 26, 2002 | Blalock J. R. -A- O-6-1439 | Quitman (Sub-Clarksville) | Atlas Operating LLC | Shut IN · shut in Oct 1, 2015 | 6,345 |
| — | Blalock John R. -A- O-6-1355 | Quitman | Atlas Operating LLC | Not on Schedule | — |
Formation tops
As filed on W-2/G-1. Subsea from 439 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Sub-Clarksville | 3,990 | -3,551 |
| Derr | 4,173 | -3,734 |
| Eagle FordEAGLEFORD | 4,278 | -3,839 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,994 | 4,006 | Perforated |
| 3,996 | 4,006 | Perforated |
| 4,012 | 4,018 | Perforated |
| — | 6,270 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 781 | 12.25 | 500 S |
| 5.5 | 6,343 | 7.875 | 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. About these reports →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Aug 29, 2002 | Aug 2, 2002 | — |
| 00 | Oct 15, 1986 | Aug 27, 1986 | Yes |
| 00 | Oct 7, 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 42-499-00640 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-499-00640 → 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/49900640, documented in the API reference.