WYOMING · WELLS · NIOBRARA COUNTY · API 49-027-26873

Chester 8-1H

ActiveHorizontal oil wellWOGCC status: Producing Oil Well

Operator of record
Century Oil and Gas LLC
County
Niobrara
Field
Rankin

A horizontal oil well in Niobrara County, Wyoming, operated by Century Oil and Gas LLC. WOGCC status: producing oil well.

Spudded September 17, 2013.

Completed in one field: Rankin.

It has reported 47,230 bbl of oil, 19,006 Mcf of gas, and 82,500 bbl of water since November 2014; its last reported production was September 2023.

0
bbl oil, 12 months through Aug 2026
0
Mcf gas, same 12 months
0
bbl produced water, same 12 months
47,230
bbl oil since Nov 2014 · 19,006 Mcf gas
Status
Approved · WOGCC: Drilling or Drilled Permit
Received
Apr 5, 2013
Approved
May 15, 2013
Wellbore
Horizontal
Proposed formation
Muddy
Target depth
7,732 ft
Proposed bottom hole
43.35145, -104.68079 ↗

Wells nearby

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

Loading the map…

Open the full map →

Reported production

Every month on file for this well on form 2, summed across its fields and the operators that filed it. The newest months can still be amended.

12 months through Aug 2026 0 · prior 12 0

02K4K201520162017201820192020202120222023202420252026

Chester 8-1H: Oil by month.

Completions

ONE PER RESERVOIR THE WELL IS COMPLETED IN

FieldStatusPerforations, ftCompletedProducedOil, bblGas, McfWater, bbl
RankinMuddy—7,840 to 12,281 MDNov 5, 2014Nov 2014 to Sep 202347,23019,00682,500

Formation tops

Download CSV →

6 tops as filed, by depth. A formation filed more than once is listed each time.

FormationDepth
FOX HILLS2,662 ft
TEAPOT3,990 ft
PARKMAN4,324 ft
NIOBRARA6,193 ft
TURNER6,611 ft
MUDDY8,052 ft

Source: Wyoming Oil and Gas Conservation Commission, "Geological Markers Based On Form 3"

Formation tops nearby

Operators of record

OperatorFromTo
Century Oil and Gas LLCNov 30, 2018today
Cheyenne River LLCJan 17, 2014Nov 30, 2018
Cinco Natural Resources CorpJan 1, 2000Jan 17, 2014

Well record

API number
49-027-26873
Location
NE SW 8-39N-65W · 1427 FSL, 1742 FWL
Elevation
4,485 ft
Elevation KB
4,509 ft
Total depth
7,727 ft
Perforations
7,840 to 12,281 ft
Basin, as WOGCC files it
Powder River Basin
APD
Approved May 15, 2013
Proposed formation
Muddy
Target depth
7,732 ft
Spudded
Sep 17, 2013

About this data

Wyoming Oil and Gas Conservation Commission (WOGCC), from its public database extracts. Status and type are in WOGCC's own words. Production and injection are what operators filed on form 2, by well and month; twelve-month figures end in Aug 2026, the last month whose filings are in. Locations are from the well's location plat and are approximate. The Commission's production file names each well's current operator on every month, so an operator's figures are those of the wells it operates today. Nothing is estimated.

Developers: this page as JSON is GET /v1/data/wells/4902726873, documented in the API reference.