WELL · 42-283-36554 · DISTRICT 1

C N Cooke #7

N

LA Salle County · Wildcat field  · Vertical

C N Cooke #7 (API 42-283-36554) is a well in La Salle County operated by Sandman Exploration L.L.C., completed September 22, 2019.

The RRC has issued 2 drilling permits between 2018 and 2020, permitted to 16,000 ft.

Completion filings report 10 formation tops, including Wilcox, Escondido, Olmos, Austin Chalk.

Its 2 leases have reported 4.23K barrels of oil and 81.3K mcf of gas since September 2019, last reporting in July 2026. The leases carry 2 wells, so these are lease totals, not this well alone.

Operator of record

Sandman Exploration L.L.C.

Georgetown, TX · P-5 Y, filed Jul 4, 2026 · 2 permits on file · (832) 651-7622

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleSandman Exploration L.L.C.
Production reportsSandman Exploration, L.L.C.through Mar 2026
Latest permitSandman Exploration, L.L.C.Jan 27, 2020
16,000
total depth, ft
2
permits on file
Jan 27, 2020
last permit issued
Sep 22, 2019
completed
4.23K
cumulative oil, bbl
81.3K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Sep 2019 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Sep 22, 2019
Shut in
—
Plugged
—

Surface location

28.321825, -99.056069

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in LA Salle County.

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 2 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
C N Cooke O-1-20025Tres Encanto (Escondido)Sandman Exploration, L.L.C.14.23K81.3KSep 2019 – Jul 2026
C N Cooke O-1-19893WildcatSandman Exploration, L.L.C.100Sep 2019 – Apr 2020

Gas, mcf lease total

Last 12 months 9,261 · prior 12 13,741(-33%)

05001K1.5K202420252026

Oil, barrels lease total

Last 12 months 363 · prior 12 426(-15%)

050100150202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1Sandman Exploration, L.L.C.Sep 2019 → Mar 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
861192-99RecompletionSandman Exploration, L.L.C.Jan 22, 2020Jan 27, 2020Aug 21, 20197,242
846556-99DrillAlamo Operating Company, L. C.Nov 6, 2018Nov 7, 2018Nov 28, 201816,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-1-19893————
—— O-1-20025————

Formation tops

As filed on W-2/G-1. Subsea from 354 ft elevation.Download CSV →

FormationMD ftSubsea
WilcoxWILCOX - DISPOSAL4,150-3,796
Escondido6,550-6,196
OlmosOLMOS - DISPOSAL7,690-7,336
Austin Chalk9,150-8,796
Eagle FordEAGLE FORD - H2S10,020-9,666
BudaBUDA - H2S10,180-9,826
EdwardsEDWARDS - H2S10,270-9,916
Queen City——
Sparta——
Yegua——

Perforations

Perforated and open-hole intervals.

FromToType
6,5746,582Perforated
6,6486,658Perforated
13,20413,272Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3753,87117.52,457 S
9.8756,21312.25—
9.62511,79212.252,099 S
5.515,5428.51,334 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00Apr 29, 2020Oct 25, 2019Yes
00Jan 6, 2020Oct 25, 2019Yes

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.

Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). then paste it into their search.

Nearby wells and their tops

NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM

Draw a cross-section

This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

Cooke Ranch42-283-37776

1.7 KM · Verdun Oil & Gas LLC · Section with this well →

Escondido9,772-9,428
Austin Chalk10,249-9,905
Eagle Ford10,371-10,027
Wilcox—
Buda—
Edwards—
Yegua—
Olmos—

10 TOPS · FIRST 8

Cooke Ranch42-283-37777

1.7 KM · Verdun Oil & Gas LLC · Section with this well →

Escondido9,772-9,428
Austin Chalk10,249-9,905
Eagle Ford10,371-10,027
Buda—
Edwards—
Olmos—
Queen City—
Sparta—

10 TOPS · FIRST 8

Cartwright42-283-36138

2.4 KM · Statoil Texas Onshore Prop LLC · Section with this well →

Sparta695
Queen City1,056
Wilcox2,941
Escondido6,485
Olmos7,868
Austin Chalk10,370
Eagle Ford10,457
Yegua—

10 TOPS · FIRST 8

Cartwright42-283-36135

2.4 KM · Statoil Texas Onshore Prop LLC · Section with this well →

Sparta685-330
Queen City1,050-695
Wilcox2,943-2,588
Escondido6,482-6,127
Olmos7,879-7,524
Austin Chalk10,419-10,064
Eagle Ford10,533-10,178
Edwards—

10 TOPS · FIRST 8

Cartwright42-283-36132

2.4 KM · Statoil Texas Onshore Prop LLC · Section with this well →

Sparta700-345
Queen City1,059-704
Wilcox2,947-2,592
Escondido6,495-6,140
Olmos7,874-7,519
Austin Chalk10,438-10,083
Eagle Ford10,544-10,189
Yegua—

10 TOPS · FIRST 8

Cooke Ranch (SL)42-283-33902

3.2 KM · Talisman Energy USA Inc. · Section with this well →

Anacacho9,623-9,251
Austin Chalk10,460-10,088
Eagle Ford10,582-10,210

Cooke Ranch42-283-35492

3.2 KM · Talisman Energy USA Inc. · Section with this well →

Sparta718-370
Queen City1,030-682
Wilcox2,910-2,562
Escondido6,663-6,315
Olmos7,925-7,577
Austin Chalk10,484-10,136
Eagle Ford10,609-10,261
Buda—

10 TOPS · FIRST 8

Cooke Ranch42-283-35494

3.2 KM · Talisman Energy USA Inc. · Section with this well →

Sparta712-364
Queen City1,034-686
Wilcox2,632-2,284
Escondido6,672-6,324
Olmos7,945-7,597
Austin Chalk10,493-10,145
Eagle Ford10,621-10,273
Buda—

10 TOPS · FIRST 8

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/28336554, documented in the API reference.