WELL · 42-157-32585 · DISTRICT 3
Coulter #4D
Fort Bend County · Boling field · Vertical
Coulter #4D (API 42-157-32585) is a plugged well in Fort Bend County, plugged September 30, 2025, last operated by Greco Operating LLC.
The RRC has issued one drilling permit, issued December 10, 2009, permitted to 4,000 ft.
It was permitted by Greco Operating, Inc. and has since transferred to Greco Operating LLC on the wellbore schedule.
Completion filings report 4 formation tops, including Miocene (undifferentiated), Heteroste Gina, Marginulina, Frio.
Its lease has reported 84.1K barrels of oil and 77 mcf of gas since January 1993, last reporting in July 2026. The lease carries 5 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Greco Operating, Inc.; the EWA schedule now lists a different operator.
Graham, TX · P-5 Y, filed Dec 4, 2025 · 2 permits on file · (940) 782-8558
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Greco Operating LLC |
| Production reports | Greco Operating, LLCthrough Jun 2025 |
| Latest permit | Greco Operating, Inc.Dec 10, 2009 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 4,000
- total depth, ft
- 1
- permits on file
- Dec 10, 2009
- last permit issued
- Apr 14, 2010
- completed
- 84.1K
- cumulative oil, bbl
- 77
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 14, 2010
- Shut in
- —
- Plugged
- Sep 30, 2025
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; they carry 5 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Coulter O-3-18198 | Boling | Greco Operating, LLC | 5 | 84.1K | 77 | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 34 · prior 12 99(-66%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Davis, A. L. Production Co.,inc.Jan 1993 → Nov 1999
- 2Greco Operating, Inc.Mar 2000 → Mar 2011
- 3Greco Operating, LLCApr 2011 → Jun 2025
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 687914-99 | Drill | Greco Operating, Inc. | Nov 24, 2009 | Dec 10, 2009 | Feb 25, 2010 | 4,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-3-18198 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 70 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Miocene (undifferentiated)BASE MIOCENE | 3,050 | -2,980 |
| Heteroste Gina | 3,202 | -3,132 |
| Marginulina | 3,295 | -3,225 |
| FrioFRIO A | 3,350 | -3,280 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,360 | 3,375 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 373 | 12.25 | 195 S |
| 5.5 | 3,483 | 7.875 | 438 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 20, 2010 | Jun 18, 2010 | Yes |
| 00 | Sep 23, 2010 | — | — |
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 42-157-32585 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-157-32585 → 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/15732585, documented in the API reference.