API spiral oilfield drill collar with hot rolling technique

drill collar, 1.OD:4"-11", 2.Material:AISI4145H, 3.Length:30ft,31ft, 4.MOQ: 25 Tons - details see: https://www.machineto.com/api-spiral-oilfield-drill-collar-with-hot-rolling-technique-10317645
Place of Origin:Shaanxi China (Mainland)Brand Name:Chang GongModel Number:4"-11"Type:Drill Collar
Machine Type:Drilling ToolCertification:APIMaterial:Carbon SteelProcessing Type:Forging
Use:Well Drilling   
API spiral oilfield drill collar with hot rolling technique
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Drill collar

1.OD:4"-11"
2.Material:AISI4145H
3.Length:30ft,31ft
4.MOQ: 25 Tons

We are "Petrochina" subcompany !

1.We are a professional supplier of new and used (rebuilt) drill bits used for oil field ,

water well . Including tricone bits , PDC bits and drill bits.

2.

IADC

147,437,447,517,527,537,547 (HJ or HA)

KN/mm

0.5~1.20

R/min

100~50

Applicable Formations/layer

Low compressive strength, soft , medium soft , hard, medium hard , very hard formation

Payment terms

T/T

Bearing sealed

metal sealed (HJ),rubber sealed(HA), not sealed(W)

Circulation system

Mud pump

API spiral oilfield drill collar with hot rolling technique
Packaging Detail:IN bundle,All connections shall be equipped with pressed steel or plastic steel thread protectors.
Delivery Detail:According to the order

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