TEXAS · WELLS · GALVESTON COUNTY · O-3-20398 LEASE · API 42-167-30978 · DISTRICT 03
Gillock Oil Unit #1
Galveston County · Gillock (Coast) field · Vertical
Gillock Oil Unit #1 (API 42-167-30978) is a plugged well in Galveston County, plugged September 7, 1990, last operated by Cico Oil & Gas Company.
The RRC has issued 3 drilling permits (amended once) between 1983 and 1988, permitted to 9,500 ft.
Completion filings report 7 formation tops, including Miocene (undifferentiated), Vicksburg, Frio, Big Gas.
Operator of record
- Based in
- Houston, TX
- P-5 status
- Inactive (I)
- P-5 last filed
- Mar 20, 2019
- Permits on file
- 227
- Phone
- (281) 884-9269
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | none |
| Latest permit | Cico Oil & Gas Co.Jan 13, 1988 |
- 9,500
- total depth, ft
- 4
- permits on file
- Jan 13, 1988
- last permit issued
- Apr 16, 1988
- completed
- 0
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 16, 1988
- Shut in
- —
- Plugged
- Sep 7, 1990
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 |
|---|---|---|---|---|---|---|
| — O-3-20398 | — | — | 0 | 0 | 0 | — |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 339907-98 | Recompletion | Cico Oil & Gas Co. | May 11, 1988 | Jan 13, 1988 | — | 9,020 |
| 339907-99 | Recompletion | Cico Oil & Gas Co. | Dec 9, 1987 | Jan 13, 1988 | — | 9,020 |
| 244579-99 | Drill | Richards Producing Company | May 17, 1984 | Jun 25, 1984 | Oct 6, 1984 | 9,020 |
| 224786-99 | Drill | Richards Producing Company | Dec 16, 1983 | Dec 16, 1983 | — | 9,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Apr 16, 1988 | Gillock Oil Unit O-3-20398 | Gillock (Coast) | Cico Oil & Gas Company | Plugged | — |
| Apr 16, 1988 | Gillock Oil Unit G-3-127394 | Gillock (Coast) | Cico Oil & Gas Company | Plugged | — |
| May 1, 1984 | Gillock Oil Unit O-3-17716 | Gillock (Humble) | Cico Oil & Gas Company | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 35 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Miocene (undifferentiated)MIOCENE | 3,260 | -3,225 |
| VicksburgVICKSBURG SH | 6,302 | -6,267 |
| VicksburgVICKSBURG SH. | 6,302 | -6,267 |
| Frio | 8,240 | -8,205 |
| Big Gas | 8,398 | -8,363 |
| Intermediate | 8,400 | -8,365 |
| Coastal | 8,500 | -8,465 |
| Coastal | 8,508 | -8,473 |
| Humble | 8,806 | -8,771 |
| Humble | 8,835 | -8,800 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,507 | 8,536 | Perforated |
| 8,851 | 8,853 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 2,024 | 12.25 | 798 S |
| 5.5 | 9,015 | 8.75 | 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 | Apr 12, 1989 | Mar 21, 1989 | — |
| 00 | Apr 7, 1989 | — | — |
| 00 | Jun 20, 1988 | Apr 26, 1988 | Yes |
| 00 | Jun 11, 1988 | — | — |
| 00 | Jul 20, 1984 | May 15, 1984 | — |
| 00 | Jul 12, 1984 | May 15, 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 42-167-30978 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-167-30978 → 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/16730978, documented in the API reference.