TEXAS · WELLS · MCMULLEN COUNTY · SBR LEASE · API 42-311-33480 · DISTRICT 01

SBR #171

On schedule

McMullen County · A.W.P. (Olmos) field · Producing  · Vertical

Sbr #171 (API 42-311-33480) is a permitted well in Mcmullen County filed by Swift Energy Company; no completion report is on file yet.

The RRC has issued one drilling permit, issued October 31, 1997, permitted to 10,685 ft.

It was permitted by Swift Energy Company and has since transferred to Varas Energy Operating Company on the wellbore schedule.

Completion filings report 7 formation tops, including Sparta, Queen City, Carrizo, Wilcox.

Its lease has reported 2.71K barrels of oil and 487K mcf of gas since January 1998, last reporting volume in April 2026.

Operator of record

Varas Energy Operating Company

Permitted by Swift Energy Company; the EWA schedule now lists a different operator.

Based in
Houston, TX
P-5 status
Active (A)
P-5 last filed
Dec 9, 2025
Phone
(713) 858-3002

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleVaras Energy Operating Company
Production reportsVaras Energy Operating Company,through Apr 2026
Latest permitSwift Energy CompanyOct 31, 1997

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

10,685
total depth, ft
1
permits on file
Oct 31, 1997
last permit issued
—
completed
2.71K
cumulative oil, bbl
487K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1998 THROUGH Apr 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
—
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.

Wells nearby

Every well with a location on file around this well, in any state, nearest first.

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Texas locations come from drilling permits, so most older Texas wells have none and are not listed.

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
SBR G-1-166835A.W.P. (Olmos)Varas Energy Operating Company,12.71K487KJan 1998 – Apr 2026

Gas, mcf lease total

Last 12 months 2,924 · prior 12 2,675(+9%)

0200400600202420252026

Wells named SBR

Varas Energy Operating Company's other wells filed under this lease name in McMullen County, newest permit first. The RRC gives a gas well its own lease number, so the name is what joins the wells of a unit.

Loading the lease's wells

Chain of custody

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

  1. 1Swift Energy CompanyJan 1998 → Dec 2005
  2. 2Swift Energy Operating, LLCJan 2006 → Jun 2017
  3. 3Silverbow Resources Oper, LLCJul 2017 → Oct 2017
  4. 4El Dorado Gas & Oil, Inc.Jun 2018 → Dec 2024
  5. 5Varas Energy Operating Company,Jan 2025 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
469549-99DrillSwift Energy CompanyOct 31, 1997Oct 31, 1997Dec 27, 199711,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—SBR G-1-166835A.W.P. (Olmos)Varas Energy Operating CompanyProducing10,685

Formation tops

As filed on W-2/G-1. Subsea from 227 ft elevation.Download CSV →

FormationMD ftSubsea
Sparta3,037-2,810
Queen City3,320-3,093
Carrizo4,840-4,613
Wilcox7,002-6,775
Lower Wade7,072-6,845
Navarro9,362-9,135
Olmos10,377-10,150

Perforations

Perforated and open-hole intervals.

FromToType
10,38410,420Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
7.6251,1089.875278 S
3.510,6856.51,270 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →

SuffixRRC record dateW-2 / G-1 dateLogs referenced
00Jun 16, 1999Jun 7, 1999—
00Sep 21, 1998Sep 3, 1998—
00Mar 17, 1998Feb 27, 1998Yes
00Mar 9, 1998——

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 filed since 2004 open from the RRC's log search for this well; none are loaded here for it.

Find logs withinmiles of this well:List →Map →

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

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