Skip to content
Royalty Clerk

Texas oil lease

Producing

CALVERLEY 37-36

Calverley 37-36 is an oil lease in Glasscock County, Texas, operated by Cog Operating LLC in the Spraberry (Trend Area) field.

16 wells

153,391bbl oil, last 12 months−16% vs prior year
RRC lease
08-49857

Is your check right?

Check my statement

Where it sits

This county

Glasscock CountyGlasscockMitchellMartinSterlingMidlandHowardGlasscock County
Glasscock County
Gas, last 12 months
3,029,461 mcf
Oil in Jul 2026
11,109 bbl

Production by month

Oil output fell 16% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 16% over the last 12 monthsMonthly oil production and gas for CALVERLEY 37-36, Aug 2023 to Jul 2026. Oil output fell 16% over the last 12 months. 153,391 bbl in the 12 months through Jul 2026, against 182,225 bbl in the 12 months before.Last 12 months: 153,391 bblbbl per monthmcf per month0010k100k20k200k30k300k40k400kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 16% over the last 12 monthsMonthly oil production and gas for CALVERLEY 37-36, Aug 2023 to Jul 2026. Oil output fell 16% over the last 12 months. 153,391 bbl in the 12 months through Jul 2026, against 182,225 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month0010k100k20k200k30k300k40k400kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

All of the gas went to a processing plant in the last 12 months

Flaring peaked at 7.5% of the gas in Mar 2024.

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
All of the gas went to a processing plant in the last 12 monthsShare of CALVERLEY 37-36 gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to a processing plant in the last 12 months. Flaring peaked at 7.5% of the gas in Mar 2024.Share of the lease’s gas by disposition code, per month0%50%100%Flared 7.5%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
All of the gas went to a processing plant in the last 12 monthsShare of CALVERLEY 37-36 gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to a processing plant in the last 12 months. Flaring peaked at 7.5% of the gas in Mar 2024.Share of gas by disposition code0%50%100%Flared 7.5%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

16 wells on this lease

Wells on CALVERLEY 37-36
API numberWell no.Status
42-173-375941HActive
42-173-375952HActive
42-173-377243HActive
42-173-377254HActive
42-173-377265HActive
42-173-377276HActive
42-173-377287HActive
42-173-377298HActive
42-173-381719AHActive
42-173-3817210BHActive
42-173-3817311AHActive
42-173-3817412BHActive
42-173-38175105LHActive
42-173-38176106LHActive
42-173-3831817AHActive
42-173-38319109LHActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Shell Trading (Us) CompanyOilGathers100May 1, 2022–
Targa Pl Mid-Cont Westtex LLCCasinghead gasBuys100Dec 17, 2017–
Targa Pl Mid-Cont Westtex LLCCasinghead gasGathers100Dec 17, 2017–
Lion Oil Trading & Trans, LLCOilGathers100Dec 17, 2017May 1, 2022

SourceRailroad Commission Form P-4 file, Sep 24, 2026 (source).

1,293.17 acres on the newest permit

  • Good to know

    16 wells are listed on this lease

    Each well can have its own unit. The decimal for one well does not have to equal the decimal for another.

Check your decimal on this lease
Permits for Calverley 37-36
API numberWell no.Acreson the permit
42-173-3831817AH1,293.17
42-173-38319109LH1,293.17
42-173-3817210BH1,293.17
42-173-381719AH1,293.17
42-173-3817311AH1,293.17
42-173-3817412BH1,293.17
42-173-38175105LH1,293.17
42-173-38176106LH1,293.17
42-173-377287H1,293.17
42-173-377298H1,293.17
42-173-377243H1,293.17
42-173-377254H1,293.17

SourceRailroad Commission drilling permits, Oct 3, 2026 (source 1, source 2).

What ConocoPhillips told investors it received

Cog Operating LLC is linked to ConocoPhillips (COP).
Realized prices reported by ConocoPhillips
QuarterOil$ per bblFiling
Q2 2026$99.40SEC filing
Q1 2026$73.47SEC filing
Q3 2025$66.13SEC filing
Q2 2025$64.23SEC filing
Q1 2025$71.65SEC filing
Q3 2024$76.77SEC filing

SourceConocoPhillips quarterly reports, SEC EDGAR, company-wide averages before hedging.

Estimate your royalty

36 months, newest first

Ledger for CALVERLEY 37-36
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 202611,10911,170241,365241,3650$80.46$2.89
Jun 202611,36211,297238,831238,8310$84.81$3.15
May 202613,02313,093239,566239,5660$102.13$2.94
Apr 202611,04410,894234,244234,2440$100.32$2.77
Mar 202611,26411,359275,930275,9300$91.38$3.04
Feb 202610,33110,570216,103216,1030$64.51$3.62
Jan 202612,79012,576246,788246,7880$60.04$7.72
Dec 202514,08414,377269,121269,1210$57.97$4.26
Nov 202514,09213,779270,489270,4890$60.06$3.79
Oct 202514,79315,755271,369271,3690$60.89$3.19
Sep 202514,94214,114258,058258,0580$63.96$2.97
Aug 202514,55714,352267,597267,5970$64.86$2.91
Jul 202514,60814,564258,527257,827700$68.39$3.20
Jun 202514,82215,106256,783256,7830$68.17$3.02
May 202515,40115,428267,552267,5520$62.17$3.12
Apr 202514,91014,688261,455261,4550$63.54$3.42
Mar 202515,82815,996260,715260,7150$68.24$4.12
Feb 202512,80112,609231,216231,2160$71.53$4.19
Jan 202516,83217,152271,822271,8220$75.74$4.13
Dec 202416,99016,946274,247271,0693,178$70.12$3.01
Nov 202415,21115,203262,050262,0500$69.95$2.12
Oct 202414,02813,783256,769256,7690$71.99$2.20
Sep 202413,97514,228246,102245,0651,037$70.24$2.28
Aug 202416,81917,108262,433262,4330$76.68$1.99
Jul 202418,12817,804269,730264,8794,851$81.80$2.07
Jun 202418,63018,686261,350261,3500$79.77$2.54
May 202419,01818,802000$80.02$2.12
Apr 202413,06113,111174,904174,9040$85.35$1.60
Mar 202425,98025,941244,764226,32718,437$81.28$1.49
Feb 202421,45021,508218,349218,3490$77.25$1.72
Jan 202413,03113,262206,845200,1890$74.15$3.18
Dec 202325,42225,191326,724302,4318,421$71.90$2.52
Nov 202326,73127,101324,692309,3320$77.69$2.71
Oct 202318,24417,905266,171261,0510$85.64$2.98
Sep 20232323000$89.43$2.64
Aug 20236,9036,814121,786113,7031,939$81.39$2.58

Flared above 3%

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Oct 2, 2026.

How to check your stub against this lease Checks stopped on this lease? See the likely reasons

Do your checks match this lease?

Nearby

Cog Operating LLC in Glasscock County

All Cog Operating LLC leases →

Spraberry (Trend Area) field

All leases in this field →

Leases within 10 km

Drilling permits within 10 km