TEXAS · WELLS · TITUS COUNTY · BLALOCK LEASE · API 42-449-30476 · DISTRICT 06
Blalock #1
Titus County · Yahweh (Smackover) field · Vertical
Blalock #1 (API 42-449-30476) is a plugged well in Titus County, plugged February 18, 1997, last operated by Marathon Oil Company.
The RRC has issued one drilling permit, issued May 5, 1987, permitted to 10,000 ft.
It was permitted by Txo Production Corp. and has since transferred to Marathon Oil Company on the wellbore schedule.
Completion filings report 6 formation tops, including Austin Chalk, Woodbine, Buda, Paluxy.
Operator of record
Permitted by TXO Production Corp.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Delinquent (D)
- P-5 last filed
- Aug 14, 2025
- Permits on file
- 3,707
- Phone
- (281) 293-1000
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Marathon Oil Company |
| Production reports | Marathon Oil Companythrough Feb 1993 |
| Latest permit | TXO Production Corp.May 5, 1987 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,000
- total depth, ft
- 1
- permits on file
- May 5, 1987
- last permit issued
- Jun 26, 1987
- completed
- 0
- cumulative oil, bbl
- 95.5K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Feb 1998
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jun 26, 1987
- Shut in
- —
- Plugged
- Feb 18, 1997
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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Blalock G-6-124943 | Yahweh (Smackover) | Marathon Oil Company | 1 | 0 | 95.5K | Jan 1993 – Feb 1998 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Marathon Oil CompanyJan 1993 → Feb 1993
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 329620-99 | Drill | TXO Production Corp. | Apr 30, 1987 | May 5, 1987 | May 17, 1987 | 10,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jun 26, 1987 | Blalock G-6-124943 | Yahweh (Smackover) | Marathon Oil Company | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 323 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,894 | 8,916 | Perforated |
| 8,920 | 8,936 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 16 | 40 | 20 | 8 S |
| 9.625 | 2,205 | 12.25 | 820 S |
| 5.5 | 9,088 | 8.75 | 320 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 1, 1987 | Jul 22, 1987 | Yes |
| 00 | Sep 24, 1987 | — | — |
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 42-449-30476 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-449-30476 → 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
- 0
- bbl, last 12 reported months
- 0
- bbl, all reported
- Nov 1995
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000080665 | W-14 Disposal | Plugged Mar 15, 1998 | 1,000 | 1,200 | 3,914–4,080 |
MONTHLY INJECTED, BBL · H-10 · LAST 20 REPORTED MONTHS
Last 12 months 0
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/44930476, documented in the API reference.