WELL · 42-449-30430 · DISTRICT 6
Blalock A. J. #8
Titus County · Talco field · Vertical
Blalock A. J. #8 (API 42-449-30430) is a well in Titus County operated by Exxon Mobil Corporation, completed December 13, 1984.
The RRC has issued one drilling permit, issued September 13, 1984, permitted to 4,950 ft.
It was permitted by Exxon Corp. and has since transferred to Exxon Mobil Corporation on the wellbore schedule.
Completion filings report 4 formation tops, including Nacatoch, Blossom, Eagle Ford, Goodland.
Its 2 leases have reported 2.79M barrels of oil and 23 mcf of gas since January 1993, last reporting in July 2026. The leases carry 138 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Exxon Corp.; the EWA schedule now lists a different operator.
- Based in
- Spring, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jul 15, 2026
- Permits on file
- 1,223
- Phone
- (346) 474-9142
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Exxon Mobil Corporation |
| Production reports | J.P. Oil Company, Inc.through Mar 2026 |
| Latest permit | Exxon Corp.Sep 13, 1984 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 4,950
- total depth, ft
- 1
- permits on file
- Sep 13, 1984
- last permit issued
- Dec 13, 1984
- completed
- 2.79M
- cumulative oil, bbl
- 23
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 13, 1984
- 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 138 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Talco East Unit O-6-15058 | Talco | J.P. Oil Company, Inc. | 129 | 2.62M | 0 | Feb 2012 – Jul 2026 |
| Blalock, A. J. O-6-1660 | Talco | Exxon Mobil Corporation | 9 | 172K | 23 | Jan 1993 – Jun 2012 |
Oil, barrels lease total
Last 12 months 103,778 · prior 12 123,839(-16%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Exxon Corp.Jan 1993 → Mar 2000
- 2Exxon Mobil CorporationApr 2000 → Dec 2013
- 3XTO Energy Inc.Jan 2014 → Oct 2023
- 4J.P. Oil Company, Inc.Nov 2023 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 251603-99 | Drill | Exxon Corp. | Sep 13, 1984 | Sep 13, 1984 | — | 4,950 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-6-1660 | — | — | — | — |
| — | — O-6-15058 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 352 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Nacatoch | 930 | -578 |
| Blossom | 2,452 | -2,100 |
| Eagle FordEAGLEFORD | 3,090 | -2,738 |
| Eagle Ford | 3,094 | -2,742 |
| Goodland | 4,246 | -3,894 |
| Blossom | — | — |
| Eagle FordEAGLEFORD | — | — |
| Nacatoch | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,254 | 4,260 | Perforated |
| 4,257 | 4,524 | Perforated |
| 4,270 | 4,278 | Perforated |
| 4,290 | 4,300 | Perforated |
| 4,332 | 4,342 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 102 | 24 | 300 S |
| 7 | 4,450 | 9.875 | 1,130 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 | Dec 20, 2018 | Oct 10, 2018 | — |
| 00 | Jun 26, 2012 | Feb 13, 2012 | — |
| 00 | Jan 31, 2012 | Feb 19, 1985 | — |
| 00 | Mar 19, 1985 | Feb 19, 1985 | — |
| 00 | Mar 16, 1985 | — | — |
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 42-449-30430 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-449-30430 → 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/44930430, documented in the API reference.