TOBIN SWD #1

API 3510922282 · Oklahoma County, Oklahoma

AC2DNC
API
3510922282
Operator
LARKSPUR OPERATING LLC
County
Oklahoma

Injection

12 monthly filings with Oklahoma, Jan 2025 to Dec 2025.

Oklahoma well-type code
2DNC
Injection zone
WILCOX
Cumulative fluid injected
168,995 bbl
MonthFluid injected (bbl)Max pressure (psi)
Dec 202510,6200
Nov 20258,1000
Oct 20258,3700
Sep 20259,1500
Aug 202511,6250
Jul 202514,2500
Jun 202515,6600
May 202516,7400
Apr 202517,9550
Mar 202519,9500
Feb 202517,2900
Jan 202519,2850

A dash is a month the well filed with no figure in that column.

Completion

Oklahoma files 1 completion report for this well.

Completion 1

STRAIGHT HOLEAC2DNC
Spudded
2008-10-19
Drilling finished
2008-10-29
Completed
2008-12-02
Total depth
7,201 ft
Operator
LARKSPUR OPERATING LLC

Interval

FormationProducedPerforated (ft)
WILCOXDISP5,926–6,126

Casing

StringSize (in)Weight (lb/ft)GradeSet (ft)Cement (sacks)
PRODUCTION7——6,607130
SURFACE8 5/8——510230

Drilling permit

Oklahoma files 1 application to drill this well, naming 3 target formations. A permit records what an operator asked to do, not what it did. A target formation is where the operator aimed, and the hole may have missed it, stopped short of it or never been drilled.

Filed 2008-09-12

WRADRStraight hole
Permit API
35109222820000
Operator
CBL RESOURCES LLC
Well type
2DNC
Approved
2008-09-12
Expires
2009-03-12
Proposed depth
7,200 ft
Surface casing
470 ft

Target formations

FormationExpected top (ft)
PERMIAN1,800
HOOVER2,300
ARBUCKLE6,800

An expected top is the depth the operator predicted before drilling, on the application it filed with Oklahoma. It is not a measurement of where the formation was found.

Location

35.510818, -97.146946

35.51082, -97.14695 · Surface location as filed with Oklahoma

Every well in Oklahoma County, Oklahoma

Oklahoma state record, from OK_wells_rbdms-wells.parquet. Corpus built 2026-09-11.