Spiral Drill Collars By Beijing Metalwork Petroleum Technology Co;Ltd,
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Spiral Drill Collars

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1 Piece Minimum Order

Pays:

China

N ° de modèle:

MTWK-1

Prix FOB:

Localité:

Delivery Port :tianjinï¼â€ºShanghai

Prix de commande minimale:

-

Commande minimale:

1 Piece

Packaging Detail:

Packing :steel packing

Heure de livraison:

20

Capacité de Fournir:

1000 Piece per Year

Payment Type:

T/T

Groupe de produits :

Contacter maintenant
Membre gratuit

Personne à contacter Caroline

Zhengzhou, Henan

Contacter maintenant

La description

· Brand Name:MTWK

· Place of Origin:China

· Model Number :MTWK*1

· Grade :***5H

· Length :***0 or ***0mm

· Outer Diameter :3 1/8"**4"

· Specification :VARIOUS

· Technique :Seamless

· Usage :well drilling

The spiral drill collars are made of ***5HMOD modified chromium-molybdenum alloy steel according to API Spec 7*1 . All threads can be phosphated,copperised or cold worked. All threads are machined with CNC Lathes-Double-Shouldered and a special thread, the max diameter of spiral drill collar is *4 inch.

Out diamete: 3 7/8"~ *4"(inch)

Depth of cut: 4.0 ~ *1.9 (mm)

Length: ***0***0(mm)

Standard size for drill collar










































































 
Connection # OD ID L mm DF

mm
Bending strength ratio
mm in mm In
NC****1 *9.4 3 1/8 *1.8 1 1/4 ***0 *6.2 2.*7:1
NC****5 *8.9 3 1/2 *8.1 1 1/2 ***0 *2.9 2.*2:1
NC****1 **4.8 4 1/8 *0.8 2 ***0 or ***0 **0.4 2.*3:1
NC****7 **0.7 4 3/4 *0.8 2 ***0 or ***0 **4.7 2.*8:1
NC****0 **7.0 5 *7.2 2 1/4 ***0 or ***0 **1.0 2.*8:1
NC****0 **2.4 6

Pays: China
N ° de modèle: MTWK-1
Prix FOB: Obtenir le dernier prix
Localité: Delivery Port :tianjinï¼â€ºShanghai
Prix de commande minimale: -
Commande minimale: 1 Piece
Packaging Detail: Packing :steel packing
Heure de livraison: 20
Capacité de Fournir: 1000 Piece per Year
Payment Type: T/T
Groupe de produits : drill collar

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To:

Caroline < Beijing Metalwork Petroleum Technology Co;Ltd >

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