Geo. H. Speer

Oil & Gas Property in Starr County, TX

Property Summary

Key data points for Geo. H. Speer

CountyStarr County, TX
OperatorKILLAM OIL CO., LTD.
Production DatesOct 2013 - Jan 2026
Total Oil Production207,822 BBLs
Total Gas Production3,319,360 MCF
Recent Oil Production32 BBLs in Dec 2025
Recent Gas Production8,070 MCF in Dec 2025
Wells on Property11

Our Valuation Estimates for Geo. H. Speer

ShaleAssessment

$19,852 *

MarketMultiple

$54,314 **

* Assessment based on future expected revenue
** Based on a 36 month multiple of average monthly estimated revenue

Based on a decimal interest

Geo. H. Speer Production Graph

Aggregated production of all wells and leases associated with this property
Subscribe for Full Access Subscribe now to gain immediate access
to oil and gas production for Geo. H. Speer
from Oct 2013 to Jan 2026

Wells on Geo. H. Speer

API #Well NameOperatorStatusCountyEst. Daily Oil Prod.Est. Daily Gas Prod.Est. Daily Water Prod.LatitudeLongitude
API #Well NameOperatorStatusCountyEst. Daily Oil Prod.Est. Daily Gas Prod.Est. Daily Water Prod.LatitudeLongitude
42-427-34646GEO. H. SPEER - STATE 'B' 30KILLAM OIL CO., LTD.Dry HoleStarr County, TX26.669312-98.512608
42-427-34658GEO. H. SPEER 25KILLAM OIL CO., LTD.ProducingStarr County, TX26.654529-98.498906
42-427-34667GEO. H. SPEER 26KILLAM OIL CO., LTD.Temp AbandonedStarr County, TX26.655099-98.495960
42-427-34673GEO. H. SPEER - STATE B 31KILLAM OIL CO., LTD.ProducingStarr County, TX26.669323-98.512496
42-427-34681GEO. H. SPEER 29KILLAM OIL CO., LTD.Shut InStarr County, TX26.650454-98.494872
42-427-34684GEO. H. SPEER 28KILLAM OIL CO., LTD.ProducingStarr County, TX26.656763-98.498252
42-427-34696GEO. H. SPEER 30KILLAM OIL CO., LTD.Permitted LocationStarr County, TX26.648383-98.496454
42-427-34697GEO. H. SPEER 27KILLAM OIL CO., LTD.Shut InStarr County, TX26.653142-98.497458
42-427-34741GEO. H. SPEER 31KILLAM OIL CO., LTD.Shut InStarr County, TX26.652743-98.494039
42-427-34764GEO. H. SPEER 35KILLAM OIL CO., LTD.ProducingStarr County, TX26.649717-98.502756
42-427-34773GEO. H. SPEER 32KILLAM OIL CO., LTD.ProducingStarr County, TX26.658615-98.492878

Leases included in Geo. H. Speer

Lease #Lease NameOperatorCountyMonthly Oil Prod.Monthly Gas Prod.
04-13794GEO. H. SPEERKILLAM OIL CO., LTD.Starr County, TX
04-13884GEO. H. SPEER - STATE 'B'KILLAM OIL CO., LTD.Starr County, TX
04-13926GEO. H. SPEERKILLAM OIL CO., LTD.Starr County, TX
04-272792GEO. H. SPEER - STATE 'B' 30KILLAM OIL CO., LTD.Starr County, TX
04-277036GEO. H. SPEER 26KILLAM OIL CO., LTD.Starr County, TX
04-277517GEO. H. SPEER - STATE B 31KILLAM OIL CO., LTD.Starr County, TX
04-283840GEO. H. SPEER 35KILLAM OIL CO., LTD.Starr County, TX
04-285918GEO. H. SPEER 32KILLAM OIL CO., LTD.Starr County, TX

Nearby Properties

These are the closest 20 properties to the Geo. H. Speer property.

Property NameLocationOil Prod.Gas Prod.Prod. Period
Amanda McKinneyStarr County, TX225 BBLs1,948 MCFJan 2026
BarreraStarr County, TX189 BBLs9,005 MCFJan 2026
Block E. HeirsStarr County, TX20 BBLs0 MCFJan 2026
C.M. Hall A 2Starr County, TX20 BBLs4,659 MCFJan 2026
De Lopez C.VStarr County, TX0 BBLs0 MCFJan 2024
De Lopez, C. V. AStarr County, TX0 BBLs0 MCFJan 2026
Emma Pena Gas UnitStarr County, TX30 BBLs8,537 MCFJan 2026
Garza-Montalvo Gas UnitStarr County, TX6 BBLs1,055 MCFJan 2026
HallStarr County, TX40 BBLs16,123 MCFJan 2026
Hall J.F. StateStarr County, TX2,046 BBLs20,152 MCFJan 2026
I.V. MontalvoStarr County, TX185 BBLs7,201 MCFJan 2026
Kincaid JStarr County, TX0 BBLs247 MCFJan 2026
LaurelStarr County, TX0 BBLs0 MCFOct 2025
McKinney AStarr County, TX0 BBLs0 MCFApr 2025
MontalvoStarr County, TX445 BBLs698 MCFJan 2026
N.R. MontalvoStarr County, TX0 BBLs0 MCFMay 2020
Olivares AStarr County, TX33 BBLs13,229 MCFJan 2026
PenaStarr County, TX0 BBLs0 MCFApr 2006
Saenz, VIStarr County, TX0 BBLs0 MCFAug 2023
Speer GeoStarr County, TX49 BBLs9,840 MCFJan 2026

Frac'ing activity on Geo. H. Speer

API #Well NameStart DateEnd DateVertical DepthTotal Water Volume
42-427-34646GH Speer-State B #30
42-427-34764George H Speer 35
42-427-34773Geo. H. Speer #32

Owners of Geo. H. Speer

Royalty Ownership data is obtained from public records
YearOwnerProperty NameOperatorPercentageInterest TypeAppraisal ValueLegal Desciption
2025KILLAM OIL COMPANY LTDGEO H SPEER 32, 35KILLAM OIL COMPANY LTD
2025KILLAM OIL COMPANY LTDGEO H SPEER 32, 35KILLAM OIL COMPANY LTD
2025COMMISSIONER GENERAL LAND OFFICEGEO H SPEER 32, 35KILLAM OIL COMPANY LTD
2025COMMISSIONER GENERAL LAND OFFICEGEO H SPEER 32, 35KILLAM OIL COMPANY LTD
2025THOMPSON MARTHA SUEGEO H SPEER 32, 35KILLAM OIL COMPANY LTD
2025THOMPSON MARTHA SUEGEO H SPEER 32, 35KILLAM OIL COMPANY LTD
2025KILLAM OIL COMPANY LTDGEO H SPEER-STATE 'B' W#31KILLAM OIL COMPANY LTD
2025KILLAM OIL COMPANY LTDGEO H SPEER-STATE 'B' W#31KILLAM OIL COMPANY LTD
Displaying 8 of 162 Owners   --   Full Ownership Data Available for Subscribers Only

Oil & Gas Sales on Geo. H. Speer

Lease #Lease NameReporting PeriodProductVolumeValueGross PricePurchaserProducer
Lease #Lease NameReporting PeriodProductOil VolumeOil ValueCalculated Oil PricePurchaserProducer
04-13794GEO. H. SPEERNov 2025GULFMARK ENERGY, INC.KILLAM OIL CO., LTD.
04-13794GEO. H. SPEERNov 2025KOSTARR RESOURCES, LLC
04-283840GEO. H. SPEER 35Nov 2025KOSTARR RESOURCES, LLC
04-277517GEO. H. SPEER - STATE B 31Nov 2025KOSTARR RESOURCES, LLC
04-285918GEO. H. SPEER 32Nov 2025KOSTARR RESOURCES, LLC
04-13794GEO. H. SPEEROct 2025GULFMARK ENERGY, INC.KILLAM OIL CO., LTD.
04-277517GEO. H. SPEER - STATE B 31Oct 2025KOSTARR RESOURCES, LLC
04-285918GEO. H. SPEER 32Oct 2025KOSTARR RESOURCES, LLC
04-13794GEO. H. SPEEROct 2025KOSTARR RESOURCES, LLC
04-283840GEO. H. SPEER 35Oct 2025KOSTARR RESOURCES, LLC
04-283840GEO. H. SPEER 35Oct 2025GULFMARK ENERGY, INC.KILLAM OIL CO., LTD.
04-285918GEO. H. SPEER 32Sep 2025KOSTARR RESOURCES, LLC
04-13794GEO. H. SPEERSep 2025KOSTARR RESOURCES, LLC
04-277517GEO. H. SPEER - STATE B 31Sep 2025KOSTARR RESOURCES, LLC
04-283840GEO. H. SPEER 35Sep 2025KOSTARR RESOURCES, LLC
04-283840GEO. H. SPEER 35Sep 2025GULFMARK ENERGY, INC.KILLAM OIL CO., LTD.
04-13794GEO. H. SPEERAug 2025GULFMARK ENERGY, INC.KILLAM OIL CO., LTD.
04-13794GEO. H. SPEERAug 2025KOSTARR RESOURCES, LLC
04-283840GEO. H. SPEER 35Aug 2025KOSTARR RESOURCES, LLC
04-277517GEO. H. SPEER - STATE B 31Aug 2025KOSTARR RESOURCES, LLC
04-285918GEO. H. SPEER 32Aug 2025KOSTARR RESOURCES, LLC
04-13794GEO. H. SPEERJul 2025KOSTARR RESOURCES, LLC
04-285918GEO. H. SPEER 32Jul 2025KOSTARR RESOURCES, LLC
04-277517GEO. H. SPEER - STATE B 31Jul 2025KOSTARR RESOURCES, LLC
04-283840GEO. H. SPEER 35Jul 2025KOSTARR RESOURCES, LLC