WELL · 42-055-32871 · DISTRICT 1
Tiller J. R. -C- #SWD 4
Caldwell County · Salt Flat field · Vertical
Tiller J. R. -C- #SWD 4 (API 42-055-32871) is a well in Caldwell County operated by Buonadonna Oil LLC, completed March 1, 1983.
The RRC has issued one drilling permit, issued September 28, 1982, permitted to 2,296 ft.
It was permitted by Cotton Oil CO. and has since transferred to Buonadonna Oil LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Austin Chalk, Buda, Edwards.
Its 2 leases have reported 3.28K barrels of oil and 3.01K mcf of gas since January 1993, last reporting in July 2026. The leases carry 5 wells, so these are lease totals, not this well alone.
It holds an active disposal or injection permit.
Operator of record
Permitted by Cotton Oil Co.; the EWA schedule now lists a different operator.
Luling, TX · P-5 Y, filed Mar 4, 2026 · 1 permits on file · (737) 354-6098
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Buonadonna Oil LLC |
| Production reports | Buonadonna Oil LLCthrough Apr 2026 |
| Latest permit | Cotton Oil Co.Sep 28, 1982 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 2,296
- total depth, ft
- 1
- permits on file
- Sep 28, 1982
- last permit issued
- Mar 1, 1983
- completed
- 3.28K
- cumulative oil, bbl
- 3.01K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Mar 1, 1983
- 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 5 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Tiller, J. R. -C- O-1-1486 | Salt Flat | Buonadonna Oil LLC | 4 | 3.28K | 3.01K | Jan 1993 – Jul 2026 |
| Tiller, J.R. -C- O-1-14731 | Salt Flat | B-3 Oil Co. | 1 | 0 | 0 | Jul 2006 – Jul 2026 |
Oil, barrels lease total
Last 12 months 38 · prior 12 2(+1800%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Base PetroleumJan 1993 → May 1994
- 2Hollub, Lambert Drilling CompanyJun 1994 → Sep 1997
- 3Thomas Oil & Gas CompanyOct 1997 → Jul 1998
- 4Caltex Energy Co.Aug 1998 → Mar 2011
- 5CCR Operating, LLCApr 2011 → Jul 2011
- 6Luling O&G LLCAug 2011 → Dec 2013
- 7Oiltex, LLCMay 2018 → Jun 2019
- 8Ams Energy Solutions LLPSep 2024 → Sep 2024
- 9Buonadonna Oil LLCApr 2026 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 173064-99 | Drill | Cotton Oil Co. | Sep 28, 1982 | Sep 28, 1982 | — | 2,296 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-1486 | — | — | — | — |
| — | — O-1-14731 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Download CSV →
| Formation | MD ft |
|---|---|
| Austin Chalk | 2,150 |
| BudaBUDA LIME | 2,490 |
| EdwardsUPPER EDWARDS | 2,610 |
| EdwardsLOWER EDWARDS | 2,796 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,796 | 2,803 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 733 | 12.25 | 376 S |
| 5.5 | 2,796 | 7.875 | 360 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 | Sep 27, 2006 | Nov 5, 1986 | — |
| 00 | Nov 21, 1986 | Nov 5, 1986 | — |
| 00 | Nov 15, 1986 | — | — |
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 42-055-32871 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-055-32871 → 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
- 1.07M
- bbl, all reported
- Aug 2025
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000049147 | W-14 Disposal | Active | 500 | 200 | 2,796–2,803 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 0 · prior 12 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/05532871, documented in the API reference.