WELL · 42-353-31676 · DISTRICT 7
Cochran J.H. #1
Nolan County · Suggs (Ellenburger) field · Vertical
Cochran J.H. #1 (API 42-353-31676) is a plugged well in Nolan County, plugged April 22, 2003, last operated by Samson Hydrocarbons Company.
The RRC has issued 2 drilling permits between 1984 and 1995, permitted to 6,850 ft.
It was permitted by Robertson Resources, Inc. and has since transferred to Samson Hydrocarbons Company on the wellbore schedule.
Completion filings report 3 formation tops, including Canyon, Caddo, Ellenburger.
Its 3 leases have reported 1.88K barrels of oil and 32.6K mcf of gas since January 1993, last reporting in May 2016. The leases carry 4 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Robertson Resources, Inc.; the EWA schedule now lists a different operator.
Tulsa, OK · P-5 Y, filed Nov 7, 1997 · 28 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Samson Hydrocarbons Company |
| Production reports | Robertson Resources, Inc.through Mar 2002 |
| Latest permit | Robertson Resources, Inc.Nov 22, 1995 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,850
- total depth, ft
- 2
- permits on file
- Nov 22, 1995
- last permit issued
- Nov 6, 1990
- completed
- 1.88K
- cumulative oil, bbl
- 32.6K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH May 2016
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Nov 6, 1990
- Shut in
- —
- Plugged
- Apr 22, 2003
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 3 leases this well is completed on; they carry 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Cochran, J. H. G-8-159547 | Group (Massive) | Robertson Resources, Inc. | 1 | 0 | 15.6K | Aug 1996 – May 2016 |
| Cochran, J. H. O-8-27718 | Group (Massive) | Robertson Resources, Inc. | 2 | 160 | 11K | Nov 1995 – Nov 2001 |
| Cochran, J.H. O-8-21802 | Suggs (Ellenburger) | Samson Hydrocarbons Company | 1 | 1.72K | 5.99K | Jan 1993 – Dec 1995 |
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.
- 1Oryx Energy CompanyJan 1993 → Oct 1994
- 2Samson Resources CompanyNov 1994 → Mar 1995
- 3Samson Hydrocarbons CompanyApr 1995 → Jul 1995
- 4Robertson Resources, Inc.Nov 1995 → Mar 2002
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 442110-99 | Recompletion | Robertson Resources, Inc. | Nov 20, 1995 | Nov 22, 1995 | Nov 26, 1995 | 6,830 |
| 251835-99 | Drill | Sun Expl. & Prod. Co.-Abilene | Sep 17, 1984 | Sep 19, 1984 | Sep 22, 1984 | 6,850 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-8-159547 | — | — | — | — |
| — | — O-8-21802 | — | — | — | — |
| — | — O-8-27718 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,300 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| CanyonCANYON REEF | 5,388 | -3,088 |
| Caddo | 6,424 | -4,124 |
| Ellenburger | 6,614 | -4,314 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,100 | 4,104 | Perforated |
| 6,615 | 6,640 | Perforated |
| 6,615 | 6,686 | Perforated |
| 6,656 | 6,686 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 414 | 12.25 | 300 S |
| 5.5 | 6,830 | 7.875 | 1,550 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 29, 1996 | Sep 6, 1996 | — |
| 00 | Aug 29, 1996 | — | — |
| 00 | Dec 28, 1995 | Nov 14, 1990 | — |
| 00 | Jan 11, 1991 | Nov 14, 1990 | — |
| 00 | Dec 3, 1984 | Nov 14, 1984 | — |
| 00 | Nov 21, 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 42-353-31676 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-353-31676 → 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/35331676, documented in the API reference.