WELL · 42-485-45335 · DISTRICT 9

Martin B #9

N

Wichita County · Cash (Strawn 3820) field  · Vertical

Martin B #9 (API 42-485-45335) is a well in Wichita County operated by Extex Operating Company, completed November 11, 2013.

The RRC has issued one drilling permit (amended once), issued September 17, 2012, permitted to 4,600 ft.

Completion filings report 3 formation tops, including Gunsite Lime, Kma Lime, Caddo.

Its 2 leases have reported 232K barrels of oil and 63 mcf of gas since January 1993, last reporting in July 2026. The leases carry 10 wells, so these are lease totals, not this well alone.

Operator of record

Extex Operating Company

Based in
Houston, TX
P-5 status
Active (A)
P-5 last filed
Jan 7, 2026
Permits on file
117
Phone
(713) 953-0824

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleExtex Operating Company
Production reportsR2Q Operating LLCthrough Feb 2026
Latest permitExtex Operating CompanySep 17, 2012

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

4,600
total depth, ft
2
permits on file
Sep 17, 2012
last permit issued
Nov 11, 2013
completed
232K
cumulative oil, bbl
63
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Nov 11, 2013
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 2 leases this well is completed on; they carry 10 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Martin Properties -B- O-13-15877Cash (Strawn 3820)R2Q Operating LLC9232K63Jan 1993 – Jul 2026
Martin B O-13-32721Cash (Strawn 3820)Extex Operating Company100Nov 2013 – Jan 2014

Oil, barrels lease total

Last 12 months 5,058 · prior 12 4,694(+8%)

0200400600202420252026

Chain of custody

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

  1. 1Bristol Resources CorporationJan 1993 → Aug 1998
  2. 2Falls Production CompanySep 1998 → Dec 2001
  3. 3Falls Oil CompanyJul 1999 → Jun 2000
  4. 4Extex Operating CompanyJan 2002 → Aug 2015
  5. 5Txon Partners, LLCSep 2015 → Jun 2017
  6. 6White Knight Production LLCJul 2017 → May 2021
  7. 7R2Q Operating LLCJun 2021 → Feb 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
747843-98DrillExtex Operating CompanyAug 8, 2013Sep 17, 2012Aug 3, 20134,600
747843-99DrillExtex Operating CompanySep 7, 2012Sep 17, 2012Aug 3, 20134,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-13-15877————
—— O-13-32721————

Formation tops

As filed on W-2/G-1. Subsea from 1,097 ft elevation.Download CSV →

FormationMD ftSubsea
Gunsite Lime1,648-551
Kma Lime3,808-2,711
CaddoCADDO LIME4,060-2,963

Perforations

Perforated and open-hole intervals.

FromToType
3,8243,840Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6258412.2575 S
5.54,5067.875450 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
00Jan 17, 2014——
00Dec 9, 2013Nov 27, 2013Yes

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.

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/48545335, documented in the API reference.