TEXAS · WELLS · MIDLAND COUNTY · MARY SCHARBAUER B4 LEASE · API 42-329-41172 · DISTRICT 7B

Mary Scharbauer B4 #1202LH

Y

Midland County · Parks (Consolidated) field · Producing  · Horizontal

Mary Scharbauer B4 #1202LH (API 42-329-41172) is a horizontal well in Midland County operated by Cog Operating LLC, completed May 19, 2017 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued September 8, 2016, permitted to 8,975 ft.

Completion filings report 9 formation tops, including Santa Rosa, Yates, Seven Rivers, Queen.

Its lease has reported 603K barrels of oil and 1.44M mcf of gas since May 2017, last reporting in July 2026.

Operator of record

COG Operating LLC

Based in
Midland, TX
P-5 status
Active – Extension (X)
P-5 last filed
Jun 2, 2026
Permits on file
4,568
Phone
(432) 683-7443

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleCOG Operating LLC
Production reportsCOG Operating LLCthrough Apr 2026
Latest permitCOG Operating LLCSep 8, 2016
8,975
total depth, ft
1
permits on file
Sep 8, 2016
last permit issued
May 19, 2017
completed
603K
cumulative oil, bbl
1.44M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · May 2017 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
May 19, 2017
Shut in
—
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.

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 →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Mary Scharbauer B4 O-10-49006Parks (Consolidated)COG Operating LLC1603K1.44MMay 2017 – Jul 2026

Oil, barrels lease total

Last 12 months 17,686 · prior 12 10,148(+74%)

01K2K3K202420252026

Gas, mcf lease total

Last 12 months 57,806 · prior 12 33,856(+71%)

05K10K15K202420252026

Chain of custody

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

  1. 1COG Operating LLCMay 2017 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
818289-99DrillCOG Operating LLCSep 6, 2016Sep 8, 2016Nov 2, 201612,000

Completions

CompletedLeaseFieldOperatorStatusDepth
May 19, 2017Mary Scharbauer B4 O-10-49006Parks (Consolidated)COG Operating LLCProducing8,975

Formation tops

As filed on W-2/G-1. Subsea from 2,797 ft elevation.Download CSV →

FormationMD ftSubsea
Santa Rosa9171,880
Yates2,7916
Seven Rivers3,136-339
Queen3,950-1,153
Grayburg4,489-1,692
San AndresSAN ANDRES - HIGH FLOWS, H2S, CO4,560-1,763
Glorieta5,021-2,224
Clear ForkCLEARFORK6,961-4,164
Spraberry7,779-4,982
SpraberrySPRABERRY UPPER-DEAN——

Perforations

Perforated and open-hole intervals.

FromToType
9,16818,535Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,20017.5420 S
9.6257,58112.25720 S
5.518,6308.53,120 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
00Dec 7, 2017Jul 31, 2017Yes

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/32941172, documented in the API reference.