WELL · 42-293-31091 · DISTRICT 5
Gilliam B #4
Limestone County · Pine Oak Creek N. (Bossier) field · Vertical
Gilliam B #4 (API 42-293-31091) is a well in Limestone County operated by Marathon Oil Company, completed February 17, 1995.
The RRC has issued one drilling permit, issued December 14, 1994, permitted to 12,300 ft.
Completion filings report 8 formation tops, including Austin Chalk, Buda, Glen Rose, Base Mass Anhyd.
No lease production has been reported under this well’s leases.
Operator of record
Houston, TX · P-5 Y, filed Apr 4, 2026 · 3,707 permits on file · (800) 332-9449
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Marathon Oil Company |
| Production reports | Hilcorp Energy Companythrough Apr 2026 |
| Latest permit | Marathon Oil CompanyDec 14, 1994 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,300
- total depth, ft
- 1
- permits on file
- Dec 14, 1994
- last permit issued
- Feb 17, 1995
- completed
- 0
- cumulative oil, bbl
- 1.38M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 1995 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Feb 17, 1995
- 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 |
|---|---|---|---|---|---|---|
| Gilliam "B" No. 1 Gas Unit G-5-154747 | Oaks (Travis Peak 8550) | Hilcorp Energy Company | 1 | 0 | 1.11M | Feb 1995 – Jul 2026 |
| Gilliam "B" G-5-154807 | Pine Oak Creek, N. (Bossier) | Marathon Oil Company | 1 | 0 | 268K | Feb 1995 – May 1996 |
Gas, mcf lease total
Last 12 months 28,783 · prior 12 828(+3376%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Marathon Oil CompanyApr 1995 → Apr 2002
- 2XTO Energy Inc.May 2002 → Dec 2023
- 3Hilcorp Energy CompanyJan 2024 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 430983-99 | Drill | Marathon Oil Company | Dec 14, 1994 | Dec 14, 1994 | Jan 4, 1995 | 12,300 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-5-154747 | — | — | — | — |
| — | — G-5-154807 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 387 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Austin ChalkBASE AUSTIN CHALK | 4,030 | -3,643 |
| Buda | 4,830 | -4,443 |
| Glen Rose | 6,114 | -5,727 |
| Base Mass Anhyd | 7,212 | -6,825 |
| Base Mass. Anhyd | 7,212 | -6,825 |
| Pettit | 7,877 | -7,490 |
| Travis Peak | 8,163 | -7,776 |
| Bossier | 10,940 | -10,553 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,238 | 8,246 | Perforated |
| 8,238 | 8,292 | Perforated |
| 8,280 | 8,292 | Perforated |
| 10,345 | 10,560 | Perforated |
| 10,395 | 10,425 | Perforated |
| 10,535 | 10,560 | Perforated |
| 11,050 | 11,100 | Perforated |
| 11,050 | 11,560 | Perforated |
| 11,450 | 11,560 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,527 | 12.25 | 590 S |
| 4.5 | 11,850 | 7.875 | 1,615 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 | Apr 15, 1996 | Jan 29, 1996 | — |
| 00 | Oct 12, 1995 | May 9, 1995 | Yes |
| 00 | Aug 25, 1995 | May 9, 1995 | Yes |
| 00 | Aug 2, 1995 | — | — |
| 00 | Jul 27, 1995 | — | — |
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 42-293-31091 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-293-31091 → 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/29331091, documented in the API reference.