TEXAS · WELLS · ROBERTSON COUNTY · MARSHALL, SYBIL UNIT LEASE · API 42-395-31455 · DISTRICT 05
Marshall Sybil Unit #4
Robertson County · Bald Prairie (CV Consolidated) field · Temp Abandoned · Vertical
Marshall Sybil Unit #4 (API 42-395-31455) is a well in Robertson County operated by Diversified Production LLC, completed July 27, 2008 and listed as temp abandoned on the RRC schedule, shut in September 1, 2018.
The RRC has issued one drilling permit, issued May 22, 2008, permitted to 12,820 ft.
It was permitted by Encana Oil & Gas(USA) Inc. and has since transferred to Diversified Production LLC on the wellbore schedule.
Completion filings report 4 formation tops, including Pettit, Knowles Lime, Cotton Valley, Bossier.
Its lease has reported 17 barrels of oil and 1.15M mcf of gas since July 2008, with no volume in the three years through April 2026.
Operator of record
Permitted by Encana Oil & Gas(usa) Inc.; the EWA schedule now lists a different operator.
- Based in
- Keithville, LA
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Mar 25, 2026
- Permits on file
- 11
- Phone
- (318) 751-3917
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Diversified Production LLC |
| Production reports | Diversified Production LLCthrough Mar 2021 |
| Latest permit | Encana Oil & Gas(usa) Inc.May 22, 2008 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,820
- total depth, ft
- 1
- permits on file
- May 22, 2008
- last permit issued
- Jul 27, 2008
- completed
- 17
- cumulative oil, bbl
- 1.15M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · JUL 2008 THROUGH MAR 2021
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jul 27, 2008
- Shut in
- Sep 1, 2018
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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.
Wells nearby
Every well with a location on file around this well, in any state, nearest first.
Texas locations come from drilling permits, so most older Texas wells have none and are not listed.
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 |
|---|---|---|---|---|---|---|
| Marshall, Sybil Unit G-5-241800 | Bald Prairie (CV Consolidated) | Diversified Production LLC | 1 | 17 | 1.15M | Jul 2008 – Mar 2021 |
No volumes reported on these leases in the last three years.
Wells named Marshall Sybil Unit
Diversified Production LLC's other wells filed under this lease name in Robertson County, newest permit first. The RRC gives a gas well its own lease number, so the name is what joins the wells of a unit.
Loading the lease's wellsChain of custody
Every operator that reported production on this well's lease, in order.
- 1Encana Oil & Gas(usa) Inc.Jul 2008 → Oct 2012
- 2Edf Trading Resources, LLCNov 2012 → Jul 2015
- 3Cci Gulf Coast Upstream LLCAug 2015 → May 2020
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 660261-99 | Drill | Encana Oil & Gas(usa) Inc. | Apr 22, 2008 | May 22, 2008 | Jun 5, 2008 | 13,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jul 27, 2008 | Marshall Sybil Unit G-5-241800 | Bald Prairie (CV Consolidated) | Diversified Production LLC | Temp Abandoned · shut in Sep 1, 2018 | 12,820 |
Formation tops
As filed on W-2/G-1. Subsea from 480 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Pettit | 8,355 | -7,875 |
| Knowles Lime | 11,547 | -11,067 |
| Cotton ValleyCOTTON VALLEY SAND | 11,623 | -11,143 |
| BossierBOSSIER SAND | 11,813 | -11,333 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,842 | 11,972 | Perforated |
| 12,514 | 12,340 | Perforated |
| 12,514 | 12,520 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,460 | 12.25 | 594 S |
| 4.5 | 12,819 | 8.75 | 554 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Nov 18, 2008 | Sep 29, 2008 | Yes |
| 00 | Nov 6, 2008 | — | — |
Well logs
1 log loaded from the RRC's log index, the latest received Jul 22, 2011. Resistivity. These are the logs loaded into Petrora from the Railroad Commission's inventories, not necessarily every log run on the well. The RRC holds the files; each opens from its log search for the well. The kind is the RRC's description of the log; the interval is the one filed for it.
Open the RRC's log search for this well ↗| Logas described | Files | Intervalft, as filed | Datereceived | SizeMB |
|---|---|---|---|---|
| RESISTIVITYSpans Pettit, Knowles Lime, Cotton Valley, Bossier | TIFF | 10,465 to 12,731 | Jul 22, 2011run Jul 16, 2008 | 1.88 |
"Spans" is by this well's own filed formation tops: a formation runs from its top to the next deeper top filed, and the deepest runs to the bottom of the log. Depths are measured along the wellbore, so on a horizontal the lateral counts in the formation it was landed in.
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 42-395-31455 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-395-31455 → scanned completion filings
The logs loaded for this well are under Well logs, with the RRC's log search for it.
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/39531455, documented in the API reference.