minerales monclova s.a. de c.v. · minerales monclova s.a. de c.v. the potential of using vam at...

Design, Operation, andDesign, Operation, and IntegrationIntegration

ofof MethaneMethane DrainageDrainage SystemsSystems atat

Minerales Monclova S.A. de C.V.’sMinerales Monclova S.A. de C.V.’s

Underground Coal Mines inUnderground Coal Mines in

Coahuilia, MexicoCoahuilia, Mexico

Minerales Monclova S.A. de C.V.Minerales Monclova S.A. de C.V.

Methane to Markets Ministerial MeetingMethane to Markets Ministerial Meeting

November 15November 15 –– 17, 200417, 2004

Washington, DCWashington, DC

MineralesMinerales MonclovaMonclova OperationsOperations

MineralesMinerales MonclovaMonclova S.A. de C.V.S.A. de C.V.

MineralesMinerales MonclovaMonclova OperationsOperations

MineralesMinerales MonclovaMonclova S.A. de C.V. (MIMOSA):S.A. de C.V. (MIMOSA):

Coal Production:Coal Production: 5 Mt per Year5 Mt per Year

Product:Product: Metallurgical CoalMetallurgical Coal

Mining Method:Mining Method: 4 Underground4 Underground LongwallLongwall MinesMines

Depths:Depths: Less than 220 mLess than 220 m

Coal Seam:Coal Seam: Double Seam (Upper Cretaceous)Double Seam (Upper Cretaceous)

Conditions:Conditions: Gassy (High Permeability, High GC)Gassy (High Permeability, High GC)

CH4 Control Systems:CH4 Control Systems: Ventilation, PreVentilation, Pre--Mining Degasification,Mining Degasification,

and Gob Gas Drainageand Gob Gas Drainage


Main PurposeMain Purpose of CMM Drainage:of CMM Drainage:

Control Through Mine VentilationControl Through Mine Ventilation

Principal Means of Controlling Underground EmissionsPrincipal Means of Controlling Underground Emissions

Exhausting Ventilation Systems at all MinesExhausting Ventilation Systems at all Mines

Dilutes Methane Concentrations to Permissible Limits (< 1% by voDilutes Methane Concentrations to Permissible Limits (< 1% by volume)lume)

Ventilation Systems Liberate more than 80 MmVentilation Systems Liberate more than 80 Mm33 of Methane per Yearof Methane per Year

Average Exhaust Methane Concentration: 0.5% Methane in AirAverage Exhaust Methane Concentration: 0.5% Methane in Air


Methane Drainage ExperienceMethane Drainage Experience

Reservoir Characterization and Numerical Models:Reservoir Characterization and Numerical Models:

Performed in 1989 on Adjacent Property by Resource Enterprises,Performed in 1989 on Adjacent Property by Resource Enterprises, Inc.Inc.

Direct Gas Content Tests Show High GC (>13 mDirect Gas Content Tests Show High GC (>13 m33/t)/t)

Injection Tests Indicate High Permeability (>30md, 180 meters deInjection Tests Indicate High Permeability (>30md, 180 meters depth )pth )

Numerical Modeling Indicates Benefits of InNumerical Modeling Indicates Benefits of In--Seam Boreholes Drilled in Advance of MiningSeam Boreholes Drilled in Advance of Mining

Pressure Test with PEMEX (3.9Pressure Test with PEMEX (3.9 mdmd, 300 meters depth), 300 meters depth)

Modeling Projections: 50% Reduction in InModeling Projections: 50% Reduction in In--Situ Gas Content in 1 Year, real 48%.Situ Gas Content in 1 Year, real 48%.


CoalbedCoalbedButt CleatButt Cleat

Matrix Blocks ContainingMatrix Blocks Containing MicroporesMicropores


Degasification with Long InDegasification with Long In--Seam Boreholes in Advance of Mining:Seam Boreholes in Advance of Mining:

Boreholes Reduce Gas Emissions During Gate Road DevelopmentBoreholes Reduce Gas Emissions During Gate Road Development




Contractor Proves Benefit of Directionally Drilled Boreholes inContractor Proves Benefit of Directionally Drilled Boreholes in Double SeamDouble Seam


45 45 45 45

55

80

80 85

70

0

10

20

30

40

50

60

70

80

90

October November December January February March April May June

Months in 1994

Em

iss

on

/Air

flo

w/A

dv

an

ce

Ra

te

Advance Rate (10's of Meters Per Month)

Methane Emissions (1000's of Cubic Meters Per Day)

Airflow Rate (Cubic Meters Per Second)

500 m Borehole on Production



REI Drilling, Inc. Directionally Drills Over 26,000 m of InREI Drilling, Inc. Directionally Drills Over 26,000 m of In--Seam Boreholes in 4 MinesSeam Boreholes in 4 Mines


Gate Entry ShieldsGate Entry Shields

Mine II: 1992Mine II: 1992--19981998

Lengths: 305Lengths: 305 -- 900m900m

Spacing: 150mSpacing: 150m


Underground Gas Collection:Underground Gas Collection:

Underground Pipelines Installed to Bring Gas to the SurfaceUnderground Pipelines Installed to Bring Gas to the Surface

Liquid Ring Vacuum Pumps Installed on SurfaceLiquid Ring Vacuum Pumps Installed on Surface

Methane is Vented to the AtmosphereMethane is Vented to the Atmosphere



Additional Developments:Additional Developments:

Underground InUnderground In--Seam CrossSeam Cross--Panel Rotary Drilling Program with Acker MidPanel Rotary Drilling Program with Acker Mid--John DrillJohn Drill



Additional Developments:Additional Developments:

Successful Implementation of Vertical Gob WellsSuccessful Implementation of Vertical Gob Wells


Recent DevelopmentsRecent Developments

InIn--House Directional Drilling:House Directional Drilling:

Procured Refurbished Drill from REI Drilling, Inc. in 2004Procured Refurbished Drill from REI Drilling, Inc. in 2004

Minerales Monclova S.A. de C.V.Minerales Monclova S.A. de C.V.Acker Big John Drill, Capacity: 900 mAcker Big John Drill, Capacity: 900 m



REI Drilling, Inc. Provides Training to MIMOSA Engineers and FiREI Drilling, Inc. Provides Training to MIMOSA Engineers and FieldeldPersonnel Under Technology Transfer ProgramPersonnel Under Technology Transfer Program




Wellhead Safety and Control, Drill Site Installation, TrainingWellhead Safety and Control, Drill Site Installation, Training




Drill Operation, Directional Control, and Borehole Surveying, TrDrill Operation, Directional Control, and Borehole Surveying, Trainingaining


Mule Shoe Alignment Slot

Muleshoe Stinger Spacer Bars Lower Centralizer

Steering Tool Feedthru Centralizer Cable Head Assy.

Tool Face Indicator

STEERING COMPASS

Tool Face Alignment Direction and Angle

Bent Housing

Alignment Key In Orienting Sub

(Aligned to Tool Face) Connection to

Accu-Steer Tool (Data to surface

computer via wireline conductor cable)

Connects to non-magnetic rods (shields Accu-Steer from magnetic interference)



Downhole Tool and Drill Maintenance, TrainingDownhole Tool and Drill Maintenance, Training




C. Banda DesarrolloC. Regreso Desarrollo

C. Banda DesarrolloC. Regreso Desarrollo

X° 9

X° 8

X° 7

C. BandaDesarrollo

C. RegresoDesarrollo

C. Regreso Contra-Ataque

C. Banda Cont ra-Ataque

X°6

X° 5

40

X°4

X°3

X° 2

X° 1

C. BandaDesarrollo




X°6

X° 5

X°4

X°3

X° 2

X° 1

X° 8

X°7

C. BandaDesarrollo




X°6

X° 5

X°4

X°3

X° 2

X° 1

Proyecto

Galerias

Mine No. 7X° 1

X° 2

X°3

X°4

X° 5

X°6

C. 1Poniente

2do. Aux.

C. 1 Poniente3e r. Aux.

C. 1Poniente

1e r Aux.C. 1

Poniente

C. 2Poniente

Aux.

C. 2Poniente

X° 7

X° 8

X° 9

X°10

X°11

X°12

Maquina # 4

Maquina # 2

Maquina # 1

X° 13

Maquina # 3


Drilling Plans for Mine 7 Following TrainingDrilling Plans for Mine 7 Following Training


CMM Use:CMM Use:

Volume Drained from Mine Esmeralda, Mine 6, 7, and 8Volume Drained from Mine Esmeralda, Mine 6, 7, and 8


Longwall Panel

Gate

Roads

Underground Gas

Collection System

Vacuum Pump

Mines Drain currently over 5 MmMines Drain currently over 5 Mm33 per year (70,000 TCO2e)per year (70,000 TCO2e)

Average Concentration at Vacuum Pump is 60% Methane in AirAverage Concentration at Vacuum Pump is 60% Methane in Air


CMM Use:CMM Use:

Generation of Heat for Mine Esmeralda Bath HouseGeneration of Heat for Mine Esmeralda Bath House


7.5 kW7.5 kW WellsiteWellsite Compressor Transports Gas to Boiler Via 38 mm PipelineCompressor Transports Gas to Boiler Via 38 mm Pipeline

System Capacity is Approximately 1,440 mSystem Capacity is Approximately 1,440 m33/day of Methane/day of Methane

Vacuum Pump

Gas Collection Well

H2

CO

CMM Power Plant

Heat

electricity grid

Methane Use OptionsMethane Use Options at MIMOSA Minesat MIMOSA Mines

In-Seam Directional Boreholes in Advance of Mining

Use of CMM from InUse of CMM from In--Seam Drainage and Gob Wells for Power Seam Drainage and Gob Wells for Power Generation:Generation:


Courtesy of G.A.S. Energy


0.1

0.1

N/A

0.29

0.26

0.259

0.4

0.3

0.39

0.3

0.38

0.46

0.5

Average Discharge

Concentration (%)

0.5

0.3

0.1

0.3

0.4

0.05

0.7

2.6

2.8

0.07

0.8

7.1

0.2

Annual VAM Emissions Bm3 (2005)

7.0

4.5

2.1

4.7

5.7

0.8

10.5

37.5

39.8

1.0

10.8

101.6

2.2

Equivalent Annual

MMT CO2 (2005)

0.01South Africa

0.07India

0.03UK

0.018Kazakhstan

0.03Poland

0.0468Czech Republic

0.02Australia

0.03Ukraine

0.03EUA

0.065Germany

0.044Russia

0.035China

0.0475Mexico

Average Price of Power

US$/kWh Country


The Potential of Using VAM atThe Potential of Using VAM at MIMOSA’sMIMOSA’s Mines is High:Mines is High:


Use of VAM from Mine Ventilation Systems for Power Generation:Use of VAM from Mine Ventilation Systems for Power Generation:


Reactor Converts Low Quality Methane to HeatReactor Converts Low Quality Methane to Heat

Courtesy of MEGTEC Systems

FutureFuture Capacity CMMCapacity CMM

Phased Project toPhased Project to GenerateGenerate PowerPower forfor Self Use:Self Use:

Phase I:Phase I:

11 –– 1.3 MW Power Plant Fueled by CMM from the Esmeralda Mine1.3 MW Power Plant Fueled by CMM from the Esmeralda Mine

Phase II:Phase II:

Expand Esmeralda Project by 1Expand Esmeralda Project by 1 –– 1.3 MW1.3 MW

4 MW Power4 MW Power PlantPlant Fueled by CMM from Mine 7Fueled by CMM from Mine 7

5 MW Power5 MW Power PlantPlant Fueled by VAM from Mine 7Fueled by VAM from Mine 7

Phase III:Phase III:

5 MW Power5 MW Power PlantPlant Fueled by VAM forFueled by VAM for the Esmeralda Mine, 4 MW Powerthe Esmeralda Mine, 4 MW Power4 MW Power4 MW Power PlantPlant Fueled by CMM from Mine 8Fueled by CMM from Mine 8

ExpandExpand PlantsPlants BasedBased onon SupplySupply


FutureFuture Capacity CMM & VAMCapacity CMM & VAM

33

38

34

43 44

52

42

50

53 53

59

63 63

51 51

9 9 10

15 15

17

14

17 17 17 18 19 19

14 14

24

29

24

28 29

35

27

33

37 37

40

44 44

37 37

27.421

0

10

20

30

40

50

60

70

2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018

MW


Power Generation Potential (CMM and VAM) ofPower Generation Potential (CMM and VAM) of MIMOSA’sMIMOSA’s Mines:Mines:

KeyKey BarrierBarrier to Use of CMM in Mexicoto Use of CMM in Mexico

DrainageDrainage ofof the gas isthe gas is only a technicalonly a technical issue, we areissue, we are

succeeding.succeeding.

In MexicoIn Mexico thethe statestate ownsowns the gas (Arts. 27 & 28)the gas (Arts. 27 & 28)

NeedNeed toto havehave govermentgoverment authorizationauthorization to use theto use the

CMM & VAM.CMM & VAM.

The Use ofThe Use of Coal Mine MethaneCoal Mine Methane LiberatedLiberated fromfrom SafetySafety SystemsSystems Implemented atImplemented at

MIMOSA’s Mines is a Priority for the CompanyMIMOSA’s Mines is a Priority for the Company

AdvancedAdvanced DrillingDrilling TechnologyTechnology andand Developments in CMM and VAM UseDevelopments in CMM and VAM Use

TechnologyTechnology willwill LeadLead toto thethe Successful Use ofSuccessful Use of thisthis Greenhouse GasGreenhouse Gas

MIMOSA, in ConjunctionMIMOSA, in Conjunction withwith Equipment Manufactures, haveEquipment Manufactures, have InvestigatedInvestigated

Methane Use Alternatives (CombustionMethane Use Alternatives (Combustion Engines, Turbines, VAM Reactors,Engines, Turbines, VAM Reactors,

Etc.), SpecificallyEtc.), Specifically PowerPower GenerationGeneration OptionsOptions

MIMOSA’s CMM and VAM Resource has Tremendous Potential forMIMOSA’s CMM and VAM Resource has Tremendous Potential for

Development for Years to ComeDevelopment for Years to Come

MIMOSA can PartnerMIMOSA can Partner with a Domesticwith a Domestic oror InternationalInternational InvestorInvestor to Use thisto Use this LowLow

QualityQuality ResourceResource CurrentlyCurrently VentedVented toto thethe EnvironmentEnvironment

ConclusionsConclusions




Gracias!Gracias!

Mimosa has to have degasification forMimosa has to have degasification for

safety, also to protect the environmentsafety, also to protect the environment

minerales monclova s.a. de c.v. · minerales monclova s.a. de c.v. the potential of using vam at...

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