TEXAS · WELLS · ROBERTSON COUNTY · BISON LEASE · API 42-395-30559 · DISTRICT 03
Bison #1
Robertson County · Giddings (Austin Chalk-3) field · Horizontal
Bison #1 (API 42-395-30559) is a plugged horizontal well in Robertson County, plugged January 7, 2004, last operated by Anadarko E&P Company LP.
The RRC has issued one drilling permit (amended once), issued February 17, 1998, permitted to 7,000 ft.
It was permitted by Union Pacific Resources Company and has since transferred to Anadarko E&P Company LP on the wellbore schedule.
Completion filings report 3 formation tops, including Austin Chalk, Eagle Ford, Buda.
Its lease has reported 111K barrels of oil and 65.7K mcf of gas since July 1998, last reporting in April 2004.
Operator of record
Permitted by Union Pacific Resources Company; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Inactive (I)
- P-5 last filed
- Sep 27, 2012
- Permits on file
- 2,635
- Phone
- (832) 636-3130
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Anadarko E&P Company LP |
| Production reports | Anadarko E&P Company LPthrough Jan 2004 |
| Latest permit | Union Pacific Resources CompanyFeb 17, 1998 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,000
- total depth, ft
- 2
- permits on file
- Feb 17, 1998
- last permit issued
- Jul 4, 1998
- completed
- 111K
- cumulative oil, bbl
- 65.7K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jul 1998 THROUGH Apr 2004
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jul 4, 1998
- Shut in
- —
- Plugged
- Jan 7, 2004
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 |
|---|---|---|---|---|---|---|
| Bison O-3-23616 | Giddings (Austin Chalk-3) | Anadarko E&P Company LP | 1 | 111K | 65.7K | Jul 1998 – Apr 2004 |
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.
- 1Union Pacific Resources CompanyJul 1998 → Jan 2001
- 2Rme Petroleum CompanyFeb 2001 → Sep 2001
- 3Anadarko E&P Company LPJan 2004 → Jan 2004
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 473398-98 | Drill | Union Pacific Resources Company | Sep 25, 1998 | Feb 17, 1998 | — | 7,000 |
| 473398-99 | Drill | Union Pacific Resources Company | Feb 17, 1998 | Feb 17, 1998 | Apr 20, 1998 | 7,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jul 4, 1998 | Bison O-3-23616 | Giddings (Austin Chalk-3) | Anadarko E&P Company LP | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 260 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Austin ChalkTOP AUSTIN CHALK | 5,841 | -5,581 |
| Eagle FordEAGLEFORD | 6,070 | -5,810 |
| Buda | 6,481 | -6,221 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,566 | 12,119 | Perforated |
| 5,912 | 10,102 | Perforated |
| 5,974 | 9,863 | Perforated |
| 6,072 | 9,469 | Perforated |
| 6,104 | 10,157 | Perforated |
| 6,844 | 10,768 | Perforated |
| 7,939 | 11,132 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 799 | 14.75 | 490 S |
| 7.625 | 6,925 | 9.875 | 510 S |
| 7.625 | — | 9.875 | 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 | Feb 18, 1999 | Sep 24, 1998 | Yes |
| 00 | Feb 1, 1999 | — | — |
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 42-395-30559 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-395-30559 → 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/39530559, documented in the API reference.