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Forging Process Drill Collar Spray Painted Surface Drilling Collar API 7-1

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Forging Process Drill Collar Spray Painted Surface Drilling Collar API 7-1

Model Number : Drill Collar

Material : Alloy Steel

MOQ : 1 pcs

Delivery Time : in stock

Brand Name : XI'AN RIG

Manufacturing Process : Forging

Place of Origin : China

Operation Pressure : Atmospheric Pressure

Type : Drill Collar

Standard : API 7-1

Payment Terms : L/C, T/T

Packaging Details : Iron Frame Packaging

Certification : API 7-1

Surface Treatment : Spray-Paint

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API 7-1 Oilfield Drill Collar High-Performance Drill Collar

Drill Collar

The drill collar is mainly used to provide the weight of the drill bit, so that the drill rod is in a tension state, and the drill bit is used to straighten the drill bit to maintain the borehole trajectory. The drill collar implements the API Spec7-1 specification, the material is 4145H, the overall heat treatment, and the phosphating treatment after the thread is hardened, the anti-sticking performance is good. It can also be customized according to customer requirements.

Non-magnetic drill collar

The non-magnetic drill collar is made of alloy steel with very low permeability. Its chemical composition is strictly controlled and forged. The material has been tested to ensure that its hardness, toughness, impact value and corrosion resistance meet the standards. Good low permeability and good machining performance. Non-magnetic drill collars implement AP17-1 and API 7-2 standards.

Drill collar thread OD D ID d
Length L
mm

Ledge Chamfer DIA.

Df mm

Bending Strength

Ratio
mm in mm in
NC31-41(27/8IF) 104.8 4 1/8 50.8 2 9150 100.4 2.43:1
NC35-47 120.7 4 3/4 50.8 2 9150 114.7 2.58:1
NC38-50(31/2IF) 127.0 5 57.2 2 1/4 9150 121.0 2.38:1
NC44-60 152.4 6 57.2 2 1/4 9150or9450 144.5 2.49:1
NC44-60 152.4 6 71.4 2 13/16 9150or9450 144.5 2.84:1
NC44-62 158.8 61/4 57.2 2 1/4 9150or9450 149.2 2.91:1
NC46-62(4IF) 158.8 61/4 71.4 2 13/16 9150or9450 150.0 2.63:1
NC46-65(4IF) 165.1 61/2 57.2 2 1/4 9150or9450 154.8 2.76:1
NC46-65(4IF) 165.1 61/2 71.4 2 13/16 9150or9450 154.8 3.05:1
NC46-67(4IF) 171.4 63/4 57.2 2 1/4 9150or9450 159.5 3.18:1
NC50-67(41/2IF) 171.4 63/4 71.4 2 13/16 9150or9450 159.5 2.37:1
NC50-70(41/2IF) 177.8 7 57.2 2 1/4 9150or9450 164.7 2.54:1
NC50-70(41/2IF) 177.8 7 71.4 2 13/16 9150or9450 164.7 2.73:1
NC50-72(41/2IF) 184.2 71/4 71.4 2 13/16 9150or9450 169.5 3.12:1
NC56-77 196.8 73/4 71.4 2 13/16 9150or9450 185.3 2.70:1
NC56-80 203.2 8 71.4 2 13/16 9150or9450 190.1 3.02:1
65/xREG 209.6 81/4 71.4 2 13/16 9150or9450 195.7 2.93:1
NC61-90 228.6 9 71.4 2 13/16 9150or9450 212.7 3.17:1

Product Tags:

Forging Process Drill Collar

      

Spray Painted Surface Drill Collar

      

Spray Painted Surface Drilling Collar

      
Quality Forging Process Drill Collar Spray Painted Surface Drilling Collar API 7-1 for sale

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