Seal Seminar by Multiseals

Multiseals Presentation toMultiseals Presentation to

Aker SolutionsAker Solutions

20 August 201020 August 2010

First in Standard And Quality Seals.

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A)A) Company IntroductionCompany Introduction

B)B) Seal ProfileSeal Profile

C)C) Physical PropertiesPhysical Properties

22

D)D) Sealing CompoundsSealing Compounds

E)E) Design ConsiderationsDesign Considerations

F)F) Failure AnalysisFailure Analysis

G)G) StorageStorage

H)H) Oilfield ApplicationsOilfield Applications


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MultisealsMultiseals

Specialize in Oilfield SealsSpecialize in Oilfield Seals

Manufacturer of Oilfield Seals Manufacturer of Oilfield Seals

Distributor for US seal manufacturers:Distributor for US seal manufacturers:

ParcoParco

CDI SealsCDI Seals


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CDI SealsCDI Seals

SKF SKF PolysealsPolyseals

25 years in oilfield business25 years in oilfield business

50,000 ft50,000 ft22 Warehouse with Aggressive StockingWarehouse with Aggressive Stocking

ISO 9001 since 1998ISO 9001 since 1998

Technical SupportTechnical Support

OO--Rings and Back Rings and Back UpUp

Polypak/ PolysealPolypak/ Polyseal

Wellhead SealsWellhead Seals

High Pressure sealsHigh Pressure seals

Product RangeProduct Range First in Standard And Quality Seals. Multisea s l

Spring Loaded Spring Loaded PTFE SealPTFE Seal

API Ring Joint API Ring Joint Gasket and Spiral Gasket and Spiral Wound gasketWound gasket

55

High Pressure sealsHigh Pressure seals

BOP seals BOP seals

Valve Stem Valve Stem PackingPacking

Hammer union Hammer union sealsseals

Packer ElementPacker Element

Valve Sealant & Valve Sealant & LubricantLubricant

Custom MoldingCustom Molding

Custom Custom MachiningMachining

MaterialsMaterials

ElastomersElastomers

NBRNBR

HNBRHNBR

VitonViton

Engineering Engineering PlasticsPlastics

PUPU

PTFEPTFE

PPSPPS


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MetalsMetals

Low Carbon Low Carbon SteelSteel

Stainless Stainless SteelSteel

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SiliconeSilicone

EPDMEPDM

NeopreneNeoprene

AflasAflas

FFKMFFKM

PPSPPS

PEEKPEEK

Graphite / Graphite / GrafoilGrafoil

SteelSteel

InconelInconel

MonelMonel

HastelloyHastelloy

Production ProcessesProduction Processes

Compression Compression MoldingMolding

Transfer Transfer MoldingMolding

Rubber to NonRubber to Non--Rubber BondingRubber Bonding

CNC Machining of Engineering PlasticCNC Machining of Engineering Plastic

77

Production Lead Time Production Lead Time

New Part with No Tooling: 4 weeksNew Part with No Tooling: 4 weeks

Part with Tooling: 1 Part with Tooling: 1 -- 2 weeks2 weeks

Short Lead Time :Short Lead Time :

Management decision to have standby Management decision to have standby machinery machinery


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machinery machinery

MultiMulti--tasking staff tasking staff

Rubber CompoundsRubber Compounds

Focus on common oilfield compounds NBR, Focus on common oilfield compounds NBR, HNBR, HNBR, VitonViton, , AflasAflas

Various compound formulations with features:Various compound formulations with features:

SulfurSulfur / Peroxide Cured/ Peroxide Cured

High TensileHigh Tensile


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High TensileHigh Tensile

High ModulusHigh Modulus

Low Compression SetLow Compression Set

Low Temp (Low Temp (--555500F)F)

Product PerformanceProduct Performance

High quality and well regarded by oilfield customersHigh quality and well regarded by oilfield customers

Nil case of field failureNil case of field failure

OEMs batch tested with good resultsOEMs batch tested with good results

We also sell to developed economies where high We also sell to developed economies where high quality is required (USA, Canada and Australia)quality is required (USA, Canada and Australia)


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quality is required (USA, Canada and Australia)quality is required (USA, Canada and Australia)

Vendor PerformanceVendor Performance

Multiseals is consistently ranked among the Top Multiseals is consistently ranked among the Top Vendors for the oilfield OEMsVendors for the oilfield OEMs


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Multisea s l ScopeScope

A)A) Company IntroductionCompany Introduction

B)B) Seal ProfileSeal Profile

C)C) Physical PropertiesPhysical Properties

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D)D) Sealing CompoundsSealing Compounds

E)E) Design ConsiderationsDesign Considerations

F)F) Failure AnalysisFailure Analysis

G)G) StorageStorage

H)H) Oilfield ApplicationsOilfield Applications


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Seal ProfileSeal Profile

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Seal Under System PressureSeal Under System Pressure


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Multisea s l Sealing TheorySealing Theory

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1616


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PressurePressure

Pressure Aids Sealing.Pressure Aids Sealing.

But Careful about Extrusion.But Careful about Extrusion.

1717



SealabilitySealability

Poor SealabilityPoor Sealability

1818

Good SealabilityGood Sealability



SealabilitySealability

Profile of Sealing LipProfile of Sealing Lip

1919Low Compressive ForceLow Compressive Force High Compressive ForceHigh Compressive Force



Seal ProfileSeal Profile

2020


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Physical PropertiesPhysical Properties

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Properties Properties Tensile StrengthTensile Strength

-- In psi or MPaIn psi or MPa

-- strength required to break specimen (important for strength required to break specimen (important for

dynamic!)dynamic!)


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-- QC tool for interQC tool for inter--batch consistencybatch consistency

-- Indicates compound deterioration after ageing (proxy Indicates compound deterioration after ageing (proxy

for seal life)for seal life)

Properties Properties -- Ultimate ElongationUltimate Elongation

-- In %In %

-- amount of stretch until breakamount of stretch until break

-- QC Tool, indicates compound deterioration after ageingQC Tool, indicates compound deterioration after ageing



2323

Properties Properties ModulusModulus

-- In psi / MPAIn psi / MPA

-- Strength to elongate 100%Strength to elongate 100%

-- Generally increase with hardnessGenerally increase with hardness

-- Higher modulus => Higher extrusion resistance Higher modulus => Higher extrusion resistance


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-- Higher modulus => Higher extrusion resistance Higher modulus => Higher extrusion resistance

Properties Properties Compression SetCompression Set

In %In %

0% => Full Recovery0% => Full Recovery

100% => NO recovery100% => NO recovery

High compression set => Less High compression set => Less Compressive Force as it ages => Compressive Force as it ages =>


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Compressive Force as it ages => Compressive Force as it ages => BAD for Long Term SealingBAD for Long Term Sealing

Properties Properties -- HardnessHardness

Higher HardnessHigher Hardness

-- less sealabilityless sealability

-- more extrusion resistancemore extrusion resistance

-- less compression setless compression set



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-- less compression setless compression set

-- less frictionless friction

Properties Properties Extrusion ResistanceExtrusion Resistance


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Extrusion = f (Pressure, Modulus, EExtrusion = f (Pressure, Modulus, E--gap)gap)

EE--GapGap

2727

EE--GapGap

Properties Properties Volume ChangeVolume Change

-- In %In %

-- Compound compatible with media => Minimum Compound compatible with media => Minimum Volume Change Volume Change

-- static static -- can tolerate max 25% swellcan tolerate max 25% swell

-- dynamic dynamic -- can tolerate max 10% swellcan tolerate max 10% swell


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-- dynamic dynamic -- can tolerate max 10% swellcan tolerate max 10% swell

Properties Properties -- Explosive DecompressionExplosive Decompression

Applicable only for rubberApplicable only for rubber

High pressure gas forced into micro porosity of sealHigh pressure gas forced into micro porosity of seal

If surrounding pressure drops quickly => entrapped If surrounding pressure drops quickly => entrapped gas cannot escape => internal explosiongas cannot escape => internal explosion


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gas cannot escape => internal explosiongas cannot escape => internal explosion

Low Temp ResistanceLow Temp Resistance

Compound Hardens as Temp dropsCompound Hardens as Temp drops


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Thermal expansion Thermal expansion coefficient of rubber coefficient of rubber is 10X that of steel.is 10X that of steel.

3030

What implications What implications for sealing at low for sealing at low temp?temp?


Low Brittleness TestLow Brittleness Test

Freeze rubber to Freeze rubber to --555500F and hammer itF and hammer it

If Break => FailIf Break => Fail

Brittleness test rather than sealabilty testBrittleness test rather than sealabilty test


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Brittleness test rather than sealabilty testBrittleness test rather than sealabilty test


TRTR--10 Test10 Test

Elongating a sample and freeze it in elongated Elongating a sample and freeze it in elongated positionposition

Warm sample gradually and sample is allowed to Warm sample gradually and sample is allowed to retract freely.retract freely.


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retract freely.retract freely.

TRTR--10 => Temp to retract to 10% of original 10 => Temp to retract to 10% of original length, length, ieie regain rubbery stateregain rubbery state

Fluid AgingFluid Aging Effect of a fluid on compoundEffect of a fluid on compound

ASTMs 4 standard test fluids ASTMs 4 standard test fluids

1)1) ASTM Oil #1 (Low Swell)ASTM Oil #1 (Low Swell)

2)2) IRM 903 (High Swell)IRM 903 (High Swell)


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2)2) IRM 903 (High Swell)IRM 903 (High Swell)

3)3) Fuel A (IsoFuel A (Iso--octane)octane)

4)4) Fuel B (70/30 mix of IsoFuel B (70/30 mix of Iso--octane/tuolene)octane/tuolene)

Fluid AgingFluid Aging

Provide basis for standard comparison; NOT intended Provide basis for standard comparison; NOT intended to give any direct correlation with end useto give any direct correlation with end use

If concerned about end use, then fluid aging must be If concerned about end use, then fluid aging must be


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If concerned about end use, then fluid aging must be If concerned about end use, then fluid aging must be done in the actual mediadone in the actual media

PropertiesPropertiesFirst in Standard And Quality Seals.


OriginalOriginalPropertiesProperties

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Fluid AgingFluid Aging


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Sealing CompoundsSealing Compounds

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Material SelectionMaterial Selection

Media (including solvents and cleaners)Media (including solvents and cleaners)

Temp range Temp range

Static or dynamic?Static or dynamic?



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-- EgEg: NBR has good abrasion resistance: NBR has good abrasion resistance

-- EgEg: Silicone has poor abrasion resistance: Silicone has poor abrasion resistance

Pressure RangePressure Range

-- For higher pressure, use compound with higher For higher pressure, use compound with higher modulusmodulus

Key Seal Materials Used in OilfieldKey Seal Materials Used in Oilfield

ElastomersElastomers NBRNBR

HNBRHNBR

VitonViton


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VitonViton

AflasAflas

Engineered PlasticsEngineered Plastics PTFEPTFE

PEEKPEEK

Overview ComparisonOverview ComparisonFirst in Standard And Quality Seals.


Pressure Temp Vel Surface Media Abrase CostNBR 1,500 psi 120 C 0.5 m/s 32 Oilfield Average LowHNBR 1,500 psi 150 C 0.5 m/s 32 Oilfield Average Mid

3939

HNBR 1,500 psi 150 C 0.5 m/s 32 Oilfield Average MidViton 1,500 psi 200 C 0.5 m/s 32 Oilfield+Harsh Average MidAflas 1,500 psi 240 C 0.5 m/s 32 Oilfield+Harsh Average HighPU 3,000 psi 90 C 1 m/s 16 Hydraulic Oil Excellent LowPTFE 5,000 psi 240 C 5 m/s 16 Universal Excellent High

NBR (NBR (NitrileNitrile or Bunaor Buna--N)N)

Versatile and cheapVersatile and cheap

Use in gasoline, crudes, power steering fluid, hexane, Use in gasoline, crudes, power steering fluid, hexane, toluene, water, water based hydraulic fluidtoluene, water, water based hydraulic fluid

Poor for HPoor for H22S, strong acids, brake fluids, ketones, S, strong acids, brake fluids, ketones, esthers, bromides, steam, ozone, UV lightsesthers, bromides, steam, ozone, UV lights



4040

esthers, bromides, steam, ozone, UV lightsesthers, bromides, steam, ozone, UV lights

Temp Temp --404000C to 135C to 13500CC

Temp Temp --505000C to 120C to 12000C (Low Temp)C (Low Temp)

FKM (FKM (VitonViton))

Used for high temperature, aggressive chemicalsUsed for high temperature, aggressive chemicals

Good for acids, hydraulic fluids, aromatic Good for acids, hydraulic fluids, aromatic hydrocarbons, ozone.hydrocarbons, ozone.

Poor for amines, methanol, superheated steam, Poor for amines, methanol, superheated steam, ketoneketone



4141

ketoneketone

Fair Sour gas service: 0.2% HFair Sour gas service: 0.2% H22SS

With low gas permeability, widely used in With low gas permeability, widely used in semiconductor industry for gas sealing and vacuum semiconductor industry for gas sealing and vacuum sealing.sealing.

FKM (FKM (VitonViton))


Key Suppliers:Key Suppliers: VitonVitonTMTM , Du Pont, Du Pont

DaiDai--elelTMTM, Daikin, Daikin



4242

FluorelFluorelTMTM , 3M, 3M

HNBR or HSN (Hydrogenated NBR)HNBR or HSN (Hydrogenated NBR)

High performance class of NBRHigh performance class of NBR

Retains all oil & fuel resistance of NBR, plus improved Retains all oil & fuel resistance of NBR, plus improved physical & thermal propertiesphysical & thermal properties

Good for sour gas: 10% HGood for sour gas: 10% H22SS



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Poor for acids, brake fluids, Poor for acids, brake fluids, ketonesketones, , esthersesthers, , bromides, superheated steambromides, superheated steam

Replacing many applications where XNBR and FKM Replacing many applications where XNBR and FKM were used in the pastwere used in the past

HNBR or HSN (Hydrogenated NBR)HNBR or HSN (Hydrogenated NBR)


Temp Temp --505000C to 155C to 15500C (Low Temp)C (Low Temp)

Key Suppliers:Key Suppliers: TherbanTherbanTMTM , Lanxess, Lanxess



4444

TherbanTherbanTMTM , Lanxess, Lanxess

ZetpolZetpolTMTM , Zeon, Zeon

TFEP (Aflas)TFEP (Aflas)

Used for high temperature, aggressive chemicalsUsed for high temperature, aggressive chemicals

Good for harsh well service, acids, bases, hydraulic Good for harsh well service, acids, bases, hydraulic fluids, brake fluid, steam, alcohol, ozone.fluids, brake fluid, steam, alcohol, ozone.




4545


Poor for Poor for ketonesketones, , halohydrocarbonhalohydrocarbon, ethers, acetates., ethers, acetates.

Poor compression set, cold weather performancePoor compression set, cold weather performance

Temp 0Temp 000C to 240C to 24000CC

Key Supplier:Key Supplier:

AflasAflasTMTM , Asahi Glass, Asahi Glass

FFKM (Kalrez)FFKM (Kalrez)

Broadest chemical resistance of all compounds; Broadest chemical resistance of all compounds; chemical resistance approaching PTFE.chemical resistance approaching PTFE.

Poor compression setPoor compression set

Very ExpensiveVery Expensive

00 00



4646


Key Supplier:Key Supplier: KalrezKalrezTMTM , DuPont, DuPont

TechnoflonTechnoflonTMTM, Solvay, Solvay

ChemrazChemrazTMTM , Greene Tweed, Greene Tweed

SimrizSimrizTMTM , Simrit, Simrit

Temp RangeTemp Range First in Standard And Quality Seals. Multisea s l

Viton

Aflas

4747

-100 -50 0 50 100 150 200 250 300

NBR

HNBR

Compression Set ComparisonCompression Set Comparison


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4848

15 25

20 30

25 35

NBR/HNBR

Viton

Aflas

Compound Price ComparisonCompound Price ComparisonFirst in Standard And Quality Seals.


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Some QuestionsSome Questions

Why are most elastomer seals BLACK?Why are most elastomer seals BLACK?

How to differentiate NBR, Viton and Aflas?How to differentiate NBR, Viton and Aflas?

Why dont we use colored compound for Why dont we use colored compound for


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Why dont we use colored compound for Why dont we use colored compound for identification?identification?

Why is there a white cloudy residue on NBR surface Why is there a white cloudy residue on NBR surface after some time?after some time?

Compound Choices for SealsCompound Choices for Seals

1st Choice : Consider Poly1st Choice : Consider Poly--urethane for Lowest Price.urethane for Lowest Price.

2nd Choice : Consider Rubber for better performance 2nd Choice : Consider Rubber for better performance in Sealability and Chemical.in Sealability and Chemical.

3rd Choice : Consider PTFE for issues on Speed, 3rd Choice : Consider PTFE for issues on Speed,


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3rd Choice : Consider PTFE for issues on Speed, 3rd Choice : Consider PTFE for issues on Speed, Friction, Temp, Chemical, Explosive Decompression.Friction, Temp, Chemical, Explosive Decompression.

Disadvantages of PTFE : Price, SealabilityDisadvantages of PTFE : Price, Sealability

Engineered PlasticsEngineered Plastics

Common Engineered Plastic in Oilfield:Common Engineered Plastic in Oilfield:

PTFEPTFE

PEEKPEEK


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Temp RangeTemp Range First in Standard And Quality Seals. Multisea s l

Aflas

PTFE

PPS

PEEK

5353

-300 -200 -100 0 100 200 300 400

NBR

HNBR

Viton

Aflas

PTFEPTFE

Universal media compatibilityUniversal media compatibility Does not exhibit Explosive DecompressionDoes not exhibit Explosive Decompression

Low friction (< 0.1)Low friction (< 0.1)

--24024000C to 288C to 288

00CC

Add fillers to give hardness and wear resistanceAdd fillers to give hardness and wear resistance


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Common Fillers: Glass, Moly, Graphite, CarbonCommon Fillers: Glass, Moly, Graphite, Carbon Must check media compatibility with fillers!Must check media compatibility with fillers! Key Suppliers:Key Suppliers:

TeflonTeflonTM , Du Pont, Du Pont

AlgoflonAlgoflonTM , Ausimont, Ausimont

FluonFluonTM , ICI, ICI

PolyflonPolyflonTM , Daikin, Daikin

PTFE Compression MoldingPTFE Compression MoldingFirst in Standard And Quality Seals.

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PTFE Base MaterialsPTFE Base Materials

A)A) Powdered PTFEPowdered PTFEBest Physical Properties and Minimum Void ContentBest Physical Properties and Minimum Void Content

B)B) Pellet PTFEPellet PTFESignificant reduction in physical propertiesSignificant reduction in physical properties


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Significant reduction in physical propertiesSignificant reduction in physical properties

C)C) Recycled PTFERecycled PTFEWorst Physical PropertiesWorst Physical Properties

Multiseals Supplies only Top Quality Powdered PTFE.Multiseals Supplies only Top Quality Powdered PTFE.

PEEK (Poly Ether Ether Ketone)PEEK (Poly Ether Ether Ketone)

Excellent high temp performance and chemical Excellent high temp performance and chemical resistance resistance affected only by concentrated acidsaffected only by concentrated acids

Excellent strength and flexibilityExcellent strength and flexibility

Temp Temp --606000C to 290C to 29000C (C (--70F to 550F)70F to 550F)

Hardness = 90 Shore DHardness = 90 Shore D


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Hardness = 90 Shore DHardness = 90 Shore D

Good for backup Good for backup

Key Suppliers:Key Suppliers:

VictrexVictrexTMTM, ICI, ICI

ArylexArylexTMTM , Du Pont, Du Pont


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Seal DesignSeal Design

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Surface FinishSurface Finish

Seal materials must fill voids in surfaceSeal materials must fill voids in surface

PTFE Static SurfacesPTFE Static Surfaces

-- 0.8 m (32in) to seal liquid0.8 m (32in) to seal liquid


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=

0

.

3

=

0

.

3

m

m

5959

-- 0.4 m (16in) to seal gas0.4 m (16in) to seal gas

PTFE Dynamic SurfacesPTFE Dynamic Surfaces

-- 0.1 0.1 0.4 m (4in 0.4 m (4in -- 16in)16in)

For elastomer, can accommodate about twice For elastomer, can accommodate about twice the surface roughness.the surface roughness.

=

0

.

1

=

0

.

1

m

m

TolerancesTolerances First in Standard And Quality Seals. Multisea s l Sealing TheorySealing Theory

0 0 0.40:0.40: +/+/--0.006 0.006

0.40 0.40 0.63:0.63: +/0.008 +/0.008

0.63 0.63 1.00:1.00: +/+/--0.010 0.010

RMA A2 Precision Tolerance StandardRMA A2 Precision Tolerance Standard

6060

1.00 1.00 1.60:1.60: +/+/--0.013 0.013

1.60 1.60 2.50:2.50: +/+/--0.0160.016

2.50 2.50 4.00:4.00: +/+/--0.020 0.020

4.00 4.00 6.30: +/6.30: +/--0.0250.025

6.30 & Above:6.30 & Above: Multiply 0.004 Multiply 0.004

Question: Why rubber tolerance wider than metal Question: Why rubber tolerance wider than metal tolerance?tolerance?

Stretch Stretch

Stretch =Stretch = (Gland Dia) (Gland Dia) -- (Seal ID)(Seal ID)

(Seal ID)(Seal ID)

General Rule: 0General Rule: 0--5% (Static & Dynamic)5% (Static & Dynamic)

Excessive stretch can overExcessive stretch can over--stress seal leading to stress seal leading to



6161

Excessive stretch can overExcessive stretch can over--stress seal leading to stress seal leading to premature failurepremature failure

Gland FillGland Fill

Gland Fill =Gland Fill = (Vol of Seal)(Vol of Seal)

(Vol of Gland)(Vol of Gland)

Need space to allow volume swell and thermal Need space to allow volume swell and thermal expansionexpansion


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expansionexpansion

For OFor O--ring, gland fill about 75%ring, gland fill about 75%

SqueezeSqueeze

Too little causes leakageToo little causes leakage

Too much overToo much over--stresses seal leading to premature stresses seal leading to premature failurefailure

Static: 20 Static: 20 -- 25%25%



6363

Static: 20 Static: 20 -- 25%25%

Dynamic: 10 Dynamic: 10 -- 15%15%


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Failure AnalysisFailure Analysis

6464

ExtrusionExtrusion



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Solution 1: Decrease eSolution 1: Decrease e--gapgap

Solution 2: Use backupSolution 2: Use backup

OverOver--CompressionCompression



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Solution 1: Use OSolution 1: Use O--ring with smaller cross sectionring with smaller cross section

Solution 2: Use compound with better compression setSolution 2: Use compound with better compression set

HeatHeat



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Solution 1: Use compound with better heat resistanceSolution 1: Use compound with better heat resistance

ChemicalChemical



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Spiral (for OSpiral (for O--ring)ring)

Happens when seal grips instead of slides in one Happens when seal grips instead of slides in one spot (common with long, slow strokes). spot (common with long, slow strokes).

Solution: smoother surface, lubricating uniformly, Solution: smoother surface, lubricating uniformly, replace with square ringreplace with square ring


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AbrasionAbrasion



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Caused byCaused by

Squeeze too high for dynamicSqueeze too high for dynamic

Too rough sealing surfacesToo rough sealing surfaces

7070

Contamination in the mediaContamination in the media

Weathering or Ozone CrackingWeathering or Ozone Cracking



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Seals exposed to ozone or UVSeals exposed to ozone or UV

Characterised by small surface cracks perpendicularly. Characterised by small surface cracks perpendicularly. Will appear clearly when flexed.Will appear clearly when flexed.

Store in airStore in air--tight and lighttight and light--proof container.proof container.

7171

Store in airStore in air--tight and lighttight and light--proof container.proof container.

Explosive Decompression (for elastomerExplosive Decompression (for elastomer))

Use ED compoundUse ED compound


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Seal StorageSeal Storage

7373

Storage ConditionsStorage Conditions

FirstFirst--InIn--FirstFirst--OutOut

UnstressedUnstressed

No contaminants like solventsNo contaminants like solvents

No direct sunlight or UVNo direct sunlight or UV


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No direct sunlight or UVNo direct sunlight or UV

Air Tight Storage. Oxygen (OAir Tight Storage. Oxygen (O22) and Ozone (O) and Ozone (O33) may ) may deteriorate elastomer.deteriorate elastomer.

Inspection (After Storage)Inspection (After Storage)

SurfaceSurface crackingcracking

ChangesChanges inin condition,condition, suchsuch asas hardening,hardening, softeningsoftening orortackinesstackiness

DamageDamage oror DistortionsDistortions


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DamageDamage oror DistortionsDistortions

PackagingPackaging

PackPack inin BlackBlack PEPE bagsbags

Packaging such that there is no safety hazard to Packaging such that there is no safety hazard to customers. Eg: all sharp edges must have protective customers. Eg: all sharp edges must have protective layer.layer.


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layer.layer.


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Oilfield ApplicationsOilfield Applications

7777

Oilfield SealingOilfield Sealing

Characteristics:Characteristics:

Aggressive media Aggressive media drilling mud, acids, Hdrilling mud, acids, H22SS

Wide Pressure 0 to 30,000 psiWide Pressure 0 to 30,000 psi


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Wide Temp Wide Temp --505000F (F (--464600C) to 500C) to 50000F (260F (26000C)C)

Equipment failure can cause tremendous harm to Equipment failure can cause tremendous harm to environment and human livesenvironment and human lives


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Oilfield StandardsOilfield Standards

API 6A Appendix F, Verifications TestsAPI 6A Appendix F, Verifications Tests

-- WellheadWellhead

-- ChokesChokes

7979

-- ValvesValves

-- ActuatorsActuators


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Oilfield EquipmentOilfield Equipment

DrillingDrilling

BOP, ChokeBOP, Choke

Pipe Handling SystemPipe Handling System

Control UnitsControl Units

8080


Mud SystemMud System

Downhole ToolsDownhole Tools

ConnectorsConnectors


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Oilfield EquipmentOilfield Equipment

ProductionProduction

WellheadsWellheads


Completion ToolsCompletion Tools

8181

Completion ToolsCompletion Tools

Gas Treating FacilitiesGas Treating Facilities

Artificial LiftArtificial Lift

Valves & ActuatorsValves & Actuators

OO--RingRing

Parco OParco O--RingRing

-- AS568 Standard SizesAS568 Standard Sizes

-- Widely used and specified Widely used and specified approved by Oilfield OEM approved by Oilfield OEM


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approved by Oilfield OEM approved by Oilfield OEM

Multiseals OMultiseals O--RingRing

-- Special SizesSpecial Sizes

-- Special Compound Grades: Special Compound Grades: NBR, HNBR, Viton, AflasNBR, HNBR, Viton, Aflas


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BOP SealBOP Seal

Multiseals Custom Molded: NBR, HNBR, Viton, AflasMultiseals Custom Molded: NBR, HNBR, Viton, Aflas

8383

BOP Inner SealBOP Inner Seal

BOP Outer SealBOP Outer Seal

Packer and PackingPacker and PackingFirst in Standard And Quality Seals.

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May be homogeneous rubber, or incorporate May be homogeneous rubber, or incorporate reinforcement like rubberised fabric and metal meshreinforcement like rubberised fabric and metal mesh

8484

Packer and PackingPacker and PackingFirst in Standard And Quality Seals.

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During ProductionDuring ProductionDuring StimulationDuring Stimulation

8585

Wellhead (or Xmas Tree)Wellhead (or Xmas Tree)


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Drilling & Well CompletionDrilling & Well Completion

8686

Wellhead SealsWellhead SealsFirst in Standard And Quality Seals.

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Metal Metal Cap SealCap Seal

Tie Tie Down Down Screw Screw PackingPacking

SS--SealSeal

Compression Compression PackingPacking

OO--RingRing

Casing & Casing & Tubing Tubing PackingPacking

8787

API API FastenerFastener

FS SealFS Seal

Ring Ring Joint Joint GasketGasket

Spiral Spiral Wound Wound GasketGasket


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8888

SS--SealSeal


Multisea s l Wellhead SealsWellhead Seals

8989

FSFS--SealSeal

API API FastenerFastener


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Ring Joint Ring Joint GasketGasket

9090

Spiral Wound Spiral Wound GasketGasket


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TT--SealSeal


Accommodate rough surface finishAccommodate rough surface finish Capable of Dynamic applicationCapable of Dynamic application Popular in downhole toolsPopular in downhole tools

9191

PP--SealSeal Accommodate rough surface finishAccommodate rough surface finish Energised by injectable packingEnergised by injectable packing Homogeneous rubber or rubberised Homogeneous rubber or rubberised fabricfabric

Static application; use in casing and Static application; use in casing and tubingtubing


Multisea s l

SS--SealSeal Accommodate large eAccommodate large e--gapgap Accommodate rough surface finishAccommodate rough surface finish 1 piece construction1 piece construction Only static application as spring Only static application as spring may score casingmay score casing


9292

may score casingmay score casing

FFSS--SealSeal

Accommodate large eAccommodate large e--gapgap Accommodate rough surface finishAccommodate rough surface finish 1 piece construction1 piece construction Only static application as spring Only static application as spring may score casingmay score casing

Replacement for PReplacement for P--Seal, use in Seal, use in casing and tubingcasing and tubing


Multisea s l

Ring Ring Joint Joint GasketGasket


Profiles of R, RX and BXProfiles of R, RX and BX Soft Iron, Low Carbon Steel, Soft Iron, Low Carbon Steel, Stainless Steel, and Alloy SteelStainless Steel, and Alloy Steel

9393

Valve Stem PackingValve Stem PackingFirst in Standard And Quality Seals.

Multisea s l

9494

Valve Stem PackingValve Stem PackingFirst in Standard And Quality Seals.

Multisea s l

Good for:Good for:

Wide Temp RangeWide Temp Range

High pressure (can be designed for up to High pressure (can be designed for up to 30,000 psi)30,000 psi)

9595

Large extrusion gapLarge extrusion gap

Potential misalignmentPotential misalignment

Rough surface finishRough surface finish

(1.6um or 64uin)(1.6um or 64uin)

Variations of Valve Stem PackingsVariations of Valve Stem PackingsFirst in Standard And Quality Seals.

Multisea s l

High TempHigh Temp

--Geothermal & fire safeGeothermal & fire safe

--Made from grafoil (675Made from grafoil (67500C)C)

Composite Stem PackingComposite Stem Packing

9696

Rough Surface FinishRough Surface Finish

--One or more vee rings made of One or more vee rings made of homogeneous elastomerhomogeneous elastomer

Composite Stem PackingComposite Stem Packing

--PTFE shell may be combined PTFE shell may be combined with elastomer corewith elastomer core

NonNon--PTFE PackingsPTFE Packings

Valve stem packing for Lower Pressure and Lower TempValve stem packing for Lower Pressure and Lower Temp


Multisea s l

Hytrel Type B PolysealHytrel Type B Polyseal

Rubberised Fabric Vee Ring PackingRubberised Fabric Vee Ring Packing

9797

Rubberised Fabric Vee Ring PackingRubberised Fabric Vee Ring Packing

Compression PackingCompression Packing

Injectable PackingInjectable Packing


Multisea s l

Summary of Oilfield SealsSummary of Oilfield Seals

ActuatorsActuators

Wiper, Piston Seal, Wear Guide, OWiper, Piston Seal, Wear Guide, O--ringring

PumpPump

Rotary Seal, MultiRotary Seal, Multi--lip Seal, Piston Seal, Wiper, Olip Seal, Piston Seal, Wiper, O--

9898

Rotary Seal, MultiRotary Seal, Multi--lip Seal, Piston Seal, Wiper, Olip Seal, Piston Seal, Wiper, O--ringring

Downhole ToolDownhole Tool

OO--ring, Backup, Tring, Backup, T--Seal, PolysealSeal, Polyseal

ValvesValves

Valve Seat, Stem Packing, Flange Seal, Sealant, Valve Seat, Stem Packing, Flange Seal, Sealant, LubricantLubricant


Multisea s l

9999

Thank You!Thank You!


Seal Seminar by Multiseals

Documents

Transcript of Seal Seminar by Multiseals