WELL · 42-055-34256 · DISTRICT 1
Tiller D. G. #37E
Caldwell County · Salt Flat field · Vertical
Tiller D. G. #37E (API 42-055-34256) is a plugged well in Caldwell County, plugged December 4, 2018, last operated by Eagle Ford Oil CO. Inc..
The RRC has issued one drilling permit, issued June 3, 1987, permitted to 2,800 ft.
It was permitted by Keck Partners and has since transferred to Eagle Ford Oil CO. Inc. on the wellbore schedule.
Completion filings report one formation top, including Austin Chalk.
Its 2 leases have reported 36.3K barrels of oil and 53.5K mcf of gas since January 1993, last reporting in July 2026. The leases carry 78 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Keck Partners; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed May 29, 2025 · 6 permits on file · (239) 269-7966
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Eagle Ford Oil Co. Inc. |
| Production reports | Eagle Ford Oil Co., Inc.through May 2014 |
| Latest permit | Keck PartnersJun 3, 1987 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 2,800
- total depth, ft
- 1
- permits on file
- Jun 3, 1987
- last permit issued
- Nov 23, 1987
- completed
- 36.3K
- cumulative oil, bbl
- 53.5K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Nov 23, 1987
- Shut in
- —
- Plugged
- Dec 4, 2018
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 78 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Tiller, D. G. O-1-1462 | Salt Flat | Eagle Ford Oil Co., Inc. | 60 | 25.3K | 28.8K | Jan 1993 – Jul 2026 |
| Tiller, D.G. -E- O-1-11844 | Salt Flat | Spiller, J.A. | 18 | 11.1K | 24.7K | Jan 1993 – Jun 1997 |
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.
- 1Coalinga CorporationJan 1993 → Nov 1996
- 2Spiller, J.A.Dec 1996 → Jun 1998
- 3Caltex Energy Co.Jul 1998 → Mar 2011
- 4Eagle Ford Oil Co., Inc.Apr 2011 → May 2014
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 329775-99 | Drill | Keck Partners | May 4, 1987 | Jun 3, 1987 | — | 2,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-1462 | — | — | — | — |
| — | — O-1-11844 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 344 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Austin ChalkAUSTIN CHALK TOP | 2,399 | -2,055 |
| Austin ChalkAUSTIN CHALK UPPER | 2,483 | -2,139 |
| Austin ChalkAUSTIN CHALK MIDDLE | 2,556 | -2,212 |
| Austin ChalkAUSTIN CHALK LOWER | 2,617 | -2,273 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,567 | 2,590 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 5.5 | 2,688 | 7.875 | 442 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 | Mar 31, 1997 | Apr 11, 1988 | Yes |
| 00 | Apr 27, 1988 | Apr 11, 1988 | Yes |
| 00 | Apr 19, 1988 | — | — |
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 42-055-34256 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-055-34256 → 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/05534256, documented in the API reference.