WELL · 42-499-32100 · DISTRICT 6

Sasi Ranch Unit #4ST

N

Wood County  · Directional

Sasi Ranch Unit #4ST (API 42-499-32100) is a permitted well in Wood County filed by Montare Operating, Ltd.; no completion report is on file yet.

The RRC has issued 2 drilling permits (amended twice) between 2010 and 2026, permitted to 12,000 ft.

Completion filings report 2 formation tops, including Sub-Clarksville, Woodbine.

Its 2 leases have reported 1.9M barrels of oil and 1.71M mcf of gas since January 2010, last reporting in July 2026. The leases carry 8 wells, so these are lease totals, not this well alone.

Operator of record

Montare Operating, Ltd.

Flower Mound, TX · P-5 Y, filed Mar 4, 2026 · 21 permits on file · (800) 290-0407

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulenone
Production reportsMontare Operating, Ltd.through Apr 2026
Latest permitMontare Operating, Ltd.Jun 26, 2026
12,000
total depth, ft
4
permits on file
Jun 26, 2026
last permit issued
—
completed
1.9M
cumulative oil, bbl
1.71M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 2010 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
—
Shut in
—
Plugged
—

Surface location

32.679400, -95.379079

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Wood 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 8 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Sasi Ranch Unit O-6-15054Neuhoff (Woodbine)Montare Operating, Ltd.51.36M1.18MDec 2010 – Jul 2026
Sasi Ranch O-6-14945Neuhoff (Woodbine)Energy Production Corporation3532K527KJan 2010 – May 2013

Oil, barrels lease total

Last 12 months 57,643 · prior 12 51,334(+12%)

05K10K202420252026

Gas, mcf lease total

Last 12 months 77,730 · prior 12 42,961(+81%)

05K10K202420252026

Chain of custody

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

  1. 1Energy Production CorporationJan 2010 → Oct 2017
  2. 2Blackwell Exp & Development, LLCNov 2017 → Nov 2023
  3. 3Montare Operating, Ltd.Dec 2023 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
916761-98RecompletionMontare Operating, Ltd.Jun 30, 2026Jun 26, 2026—11,300
916761-99RecompletionMontare Operating, Ltd.Jun 26, 2026Jun 26, 2026—11,300
699847-98DrillEnergy Production CorporationFeb 14, 2011Aug 5, 2010Dec 21, 201012,000
699847-99DrillEnergy Production CorporationJul 28, 2010Aug 5, 2010Dec 21, 201010,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-6-14945————
—— O-6-15054————

Formation tops

As filed on W-2/G-1. Subsea from 323 ft elevation.Download CSV →

FormationMD ftSubsea
Sub-Clarksville1ST SUB CLARKSVILLE9,625-9,302
Sub-Clarksville2ND SUB CLARKSVILLE9,712-9,389
Sub-Clarksville3RD SUB CLARKSVILLE9,821-9,498
Woodbine10,090-9,767

Perforations

Perforated and open-hole intervals.

FromToType
10,09010,102Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,14817.5837 S
7.62510,3569.8751,066 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
00Mar 21, 2013May 24, 2011Yes
00Dec 19, 2011May 24, 2011Yes

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 →

Sasi Ranch Unit42-499-32099

0.0 KM · Montare Operating, Ltd. · Section with this well →

Sub-Clarksville9,352-9,028
Sub-Clarksville9,445-9,121
Sub-Clarksville9,549-9,225
Sub-Clarksville9,553-9,229
Sub-Clarksville9,642-9,318
Sub-Clarksville9,750-9,426
Woodbine9,839-9,515

Sasi Ranch Unit42-499-31785

0.3 KM · Montare Operating, Ltd. · Section with this well →

Sub-Clarksville9,023-8,694
Sub-Clarksville9,109-8,780
Sub-Clarksville9,194-8,865
Sub-Clarksville9,234-8,905
Sub-Clarksville9,342-9,013
Woodbine9,392-9,063
Sub-Clarksville9,456-9,127
Woodbine9,710-9,381

Schneider (Buda) Unit42-499-31712

1.3 KM · Montare Operating, Ltd. · Section with this well →

Sub-Clarksville8,578-8,247
Sub-Clarksville8,645-8,314
Sub-Clarksville8,716-8,385
Buda8,862-8,531
Rodessa—
Woodbine—
Paluxy—
Glen Rose—

10 TOPS · FIRST 8

Taylor Heirs Tpcv42-499-32194

2.7 KM · Blackwell Exp & Development, LLC · Section with this well →

Nacatoch—
Woodbine—
Travis Peak—
Sub-Clarksville—
Smackover—
Rodessa—
Paluxy—
Glen Rose—

10 TOPS · FIRST 8

Puckett 'A'42-499-32212

2.7 KM · Montare Operating, Ltd. · Section with this well →

Sub-Clarksville9,416-9,086
Woodbine9,546-9,216
Buda9,565-9,235
Paluxy—
Rodessa—
Smackover—
Austin Chalk—
Glen Rose—

9 TOPS · FIRST 8

Taylor Heirs Tpcv42-499-32213

2.7 KM · Montare Operating, Ltd. · Section with this well →

Sub-Clarksville9,140-8,810
Woodbine9,495-9,165
Paluxy10,172-9,842
Glen Rose10,300-9,970
Travis Peak11,512-11,182
Cotton Valley12,330-12,000
Austin Chalk—
Smackover—

10 TOPS · FIRST 8

Taylor Heirs CV42-499-31759

2.8 KM · Energy Production Corporation · Section with this well →

Salt1,281-897
Woodbine9,572-9,188
Lower Cret9,608-9,224
Austin Chalk—
Travis Peak—
Sub-Clarksville—
Smackover—
Rodessa—

12 TOPS · FIRST 8

Stewart, Lee42-499-31365

3.4 KM · Southwest Operating, Inc.-Tyler · Section with this well →

Base Salt8,731-8,381
Sub-Clarksville8,978-8,628
Sub-Clarksville8,978-8,628
Woodbine9,344-8,994
Woodbine9,344-8,994
Buda9,478-9,128
Buda9,478-9,128
Cotton Valley9,514-9,164

11 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/49932100, documented in the API reference.