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 - Nov 2025
Total Oil Production207,632 BBLs
Total Gas Production3,304,659 MCF
Recent Oil Production225 BBLs in Oct 2025
Recent Gas Production9,227 MCF in Oct 2025
Wells on Property11

Our Valuation Estimates for Geo. H. Speer

ShaleAssessment

$20,433 *

MarketMultiple

$56,014 **

* 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 Nov 2025

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, TX198 BBLs1,134 MCFNov 2025
BarreraStarr County, TX29 BBLs6,170 MCFNov 2025
Block E. HeirsStarr County, TX23 BBLs0 MCFNov 2025
C.M. Hall A 2Starr County, TX22 BBLs5,830 MCFNov 2025
De Lopez C.VStarr County, TX0 BBLs0 MCFJan 2024
De Lopez, C. V. AStarr County, TX0 BBLs0 MCFAug 2025
Emma Pena Gas UnitStarr County, TX23 BBLs8,270 MCFNov 2025
HallStarr County, TX31 BBLs12,800 MCFNov 2025
Hall J.F. StateStarr County, TX2,708 BBLs21,397 MCFNov 2025
I.V. MontalvoStarr County, TX184 BBLs6,532 MCFNov 2025
Kincaid JStarr County, TX0 BBLs1,072 MCFNov 2025
LaurelStarr County, TX6 BBLs0 MCFOct 2025
McKinney, Mrs. AStarr County, TX0 BBLs0 MCFSep 1996
MontalvoStarr County, TX623 BBLs2,807 MCFNov 2025
Montalvo B (North) Unit 1Starr County, TX12 BBLs3,271 MCFNov 2025
N.R. MontalvoStarr County, TX0 BBLs0 MCFMay 2020
Olivares AStarr County, TX28 BBLs12,394 MCFNov 2025
PenaStarr County, TX0 BBLs0 MCFJul 2006
Saenz, VIStarr County, TX0 BBLs0 MCFAug 2023
Speer GeoStarr County, TX16 BBLs5,758 MCFNov 2025

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