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OCTG Connections new nomenclatu ISO 11960:2004/API Std !"Pro#ritar$  connections connections

Tu%in& '( Tu%in& )TC*( I+

I+)I+

Casin& STC Casin& )TC,C S,-P"C I.+C

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Casin& Tu%in& connectionsclassication

API s#ec !"API s#ec !"

PremiuPremiu

mm

TenarisTenaris .amil$.amil$

-untin& Intl-untin& Intl

 3ound tread3ound tread "uttress tread"uttress tread '5treme line'5treme line

 Tenaris "lueTenaris "lue

amil$amil$ Antares amil$Antares amil$ *77 amil$*77 amil$

 S'CS'C• Atlas BradfordAtlas Bradford "oss"oss  --S,AS,A)ultiseal/two)ultiseal/two

ste#ste# 

VAM Family

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3ound tread

"uttress tread

'5treme ,ine

'5ternal (#set 'nd

API Connections

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API 83ound Sort Tread + alues

OD ppf Short thread

 J values

4 ½” 9.50 1.125”5” 11.50 0.750”7” 17.00 1.250”

8 5/8” 24.00 0.875”10 ¾” 2.75 1.250”Other la!els 0.500”

Sort round tread + alue

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 Round thread API standard 5B

Tubing: EU !"#5#$ % & !'($)

 *U !"#5#$ % & !'($)

 I+ !",!5$ % ("#-,$)

.asing: /T. & !'($ % (#$)

  0. & !'($ % (#$)

 "r#a$%le sta&p for OD 1'” to20”

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API Round thread

30°F1

Fn

Ft

/mall heli2al 3oids

 bet4een thread 2rests and roots

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API Round 6um7%out failure me2hanism

 (re)ue$t dur#$% *as#$% over+pull (#$al p#$ ,D lo-er tha$ or#%#$al ,D #$ *rests defor&at#o$ o *rests defor&at#o$

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API 3ound treadAdanta&es/7ele%ian:

'as$ to manuacture  ;&udah d#produs#< 'as$ runnin&  ;&udah d#pasa$%<

Acce#ta%le seala%ilit$ res#onse at low #ress ;&a&pu seat/seal u$tu tea$a$ re$dah< =ell >nown ;sudah d#e$al<

?isadanta&es/7elemaan: Poor tension resistance  ;etaha$a$ thd !e!a$ tar# le&ah< Poor seala%ilit$ or medium and i& #ressu

  ;mampuan sekat/seal untuk tekanan tinggi dan tingi lemah)

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Premium .onne2tions % Features

PI*PI*

B89B89

Torue /houlder 

Metal to Metal /eal

Thread Form

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Area ;ritis

F0UI< F08=

F0UI< F08=

API

Premium

• gangguan aliran yang menyebab;an turbulen2e

Turbulence

streamline

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Ty7i2al Premium .onne2tion

T>.

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Premium tread orm Tension/Tari> 

Com#ression/Te>an

"endin&/Te>u> 

Im#roed seal #erormance

)etaltometal seals

Te@on seals

)ulti#le seals

Torue soulders

Torsional stren&t

Positie ma>eu# #osition

Stored torue #reents %ac>oB 

3e#eated ma>eu# witout #erormancede&radation

Possi%le to re#air as man$ as #ossi%leD no need

total re#rocess

Premium connections adanta&es

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Premium 2onne2tions ad3antages

• Relati3ely more e17enses in term of unit 7ri2e

• *eed good su77ort su2h as running assistan2e and 4or; sho7 for

re7air