WELL · 42-317-39359 · DISTRICT 8

Chablis #15

N

Martin County  · Vertical

Chablis #15 (API 42-317-39359) is a permitted well in Martin County filed by W&T Offshore, Inc.; no completion report is on file yet.

The RRC has issued one drilling permit, issued April 30, 2014, permitted to 12,500 ft.

Completion filings report 17 formation tops, including Yates, Seven Rivers, Queen, Grayburg.

Its lease has reported 4.56M barrels of oil and 6.58M mcf of gas since September 2010, last reporting in July 2026. The lease carries 26 wells, so these are lease totals, not this well alone.

Operator of record

W&T Offshore, Inc.

Houston, TX · P-5 Y, filed Dec 4, 2025 · 266 permits on file · (832) 347-3955

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulenone
Production reportsDiamondback E&P LLCthrough Apr 2026
Latest permitW&T Offshore, Inc.Apr 30, 2014
12,500
total depth, ft
1
permits on file
Apr 30, 2014
last permit issued
—
completed
4.56M
cumulative oil, bbl
6.58M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Sep 2010 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
—
Shut in
—
Plugged
—

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

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Chablis O-10-40333Spraberry (Trend Area)Diamondback E&P LLC264.56M6.58MSep 2010 – Jul 2026

Oil, barrels lease total

Last 12 months 407,611 · prior 12 440,576(-7%)

050K100K202420252026

Gas, mcf lease total

Last 12 months 815,143 · prior 12 615,993(+32%)

050K100K150K202420252026

Chain of custody

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

  1. 1Opal Resources Operating Co.,llcNov 2010 → Apr 2011
  2. 2W&T Offshore, Inc.May 2011 → Dec 2014
  3. 3Ajax Resources, LLCJan 2015 → Oct 2018
  4. 4Diamondback E&P LLCNov 2018 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
783162-99DrillW&T Offshore, Inc.Mar 26, 2014Apr 30, 2014May 24, 201412,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-40333————

Formation tops

As filed on W-2/G-1. Subsea from 2,902 ft elevation.Download CSV →

FormationMD ftSubsea
Yates2,658244
Seven Rivers7-RIVERS3,124-222
Queen4,373-1,471
Grayburg4,422-1,520
San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H4,588-1,686
Clear ForkCLEARFORK6,386-3,484
Spraberry8,199-5,297
Dean9,460-6,558
Cisco——
Devonian——
Ellenburger——
Fusselman——
Mississippian——
Pennsylvanian——
Santa Rosa——
Silurian (undifferentiated)SILURIAN——
Strawn——

Perforations

Perforated and open-hole intervals.

FromToType
8,09011,094Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37544917.5400 S
8.6255,49511600 S
5.511,2447.8751,100 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 15, 2021Apr 6, 2021—
00Oct 7, 2014Sep 22, 2014Yes

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) and the University Lands library. 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/31739359, documented in the API reference.