API 7-1 Spiral drill collar

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API 7-1 Spiral drill collar
Posting date : May 23, 2014
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84-
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FOB Price: US $1,000 - 5,000 / Metric Ton Min.Order Quantity: 25 Metric Ton/Metric Tons Supply Ability: 260 Metric Ton/Metric Tons per Month Port: QINGDAO OR TIANJIN Payment Terms: L/C,T/T Quick Details Place of Origin: Shandong China (Mainland) Brand Name: AUSCHIN Type: Drill Collar Machine Type: Drilling Tool Certification: API Material: Alloy Processing Type: Forging Use: Well Drilling Product: Non-magnetic drill collar Materials: 4145h OD: 3 1/8"-11" Length: 9150/9450mm MOQ: 25mt Package: Steel strapping Delivery time: 30 days Packaging & Delivery Packaging Detail: standard export bundle wrapped with strong steel strip or as customer's requirement Delivery Detail: 20-45 days after receiving the copy of L/C or prepayment Specifications 1. Top supplier of API non-magnetic drill collar 2. non-magnetic or 4145h material 3. realiable quality with good service Product Description Production Specification: 1. Product: Drilling equipment oilfield API non-magnetic drill collar 2. Raw material:AISI 4145H MOD or non magnetic etc. 3. Diameter: 3 1/8"-11" 4. Length: ≤ 9150/9450mm 5. Delivery time: 30 days after receive the deposit. 6. Payment: 30% advance by T\T; Balance pay before the shipment against shipping documents or irrevocable LC at sight Magnetic Properties MPS=(1×105/4π)A/m Average: μr<1.010 Magetic Field Gradient: B≤0.05μT Specification of spiral drill collar Connection OD ID Length mm Bevel Diamater DF mm Bend strength mm in mm in NC23-31 79.4 3 1/8 31.8 1 1/4 9150 76.2 2.57:1 NC26-35(2 3/8IF) 88.9 3 1/2 38.1 1 1/2 9150 82.9 2.42:1 NC31-41(2 7/8IF) 104.8 4 1/8 50.8 2 9150 / 9450 100.4 2.43:1 NC35-47 120.7 4 3/4 50.8 2 9150 / 9450 114.7 2.58:1 NC38-50(3 1/2IF) 127 5 57.2 2 1/4 9150 / 9450 121 2.38:1 NC44-60 152.4 6 57.2 2 1/4 9150 / 9450 144.5 2.49:1 NC44-60 152.4 6 71.4 2 13/16 9150 / 9450 145.5 2.84:1 NC44-62 158.8 6 1/4 57.2 2 1/4 9150 / 9450 149.2 2.91:1 NC46-62(4IF) 158.8 6 1/4 71.4 2 13/16 9150 / 9450 150 2.63:1 NC46-65(4IF) 165.1 6 1/2 57.2 2 1/4 9150 / 9450 154.8 2.76:1 NC46-65(4IF) 165.1 6 1/2 71.4 2 13/16 9150 / 9450 154.8 3.05:1 NC46-67(4IF) 171.4 6 3/4 57.2 2 1/4 9150 / 9450 159.5 3.18:1 NC50-67(4 1/2IF) 171.4 6 3/4 71.4 2 13/16 9150 / 9450 159.5 2.37:1 NC50-70(4 1/2IF) 177.8 7 57.2 2 1/4 9150 / 9450 164.7 2.54:1 NC50-70(4 1/2IF) 177.8 7 71.4 2 13/16 9150 / 9450 164.7 2.73:1 NC50-72(4 1/2IF) 184.2 7 1/4 71.4 2 13/16 9150 / 9450 169.5 3.12:1 NC56-77 196.8 7 3/4 71.4 2 13/16 9150 / 9450 185.3 2.70:1 NC56-80 203.2 8 71.4 2 13/16 9150 / 9450 190.1 3.02:1 6 5/8REG 209.6 8 1/4 71.4 2 13/16 9150 / 9450 195.7 2.93:1 NC61-90 228.6 9 71.4 2 13/16 9150 / 9450 212.7 3.17:1 7 5/8REG 241.3 9 1/2 76.2 3 9150 / 9450 223.8 2.81:1 NC70-97 247.6 9 3/4 76.2 3 9150 / 9450 232.6 2.57:1 NC70-100 254 10 76.2 3 9150 / 9450 237.3 2.81:1 8 5/8REG 279.4 11 76.2 3 9150 / 9450 266.7 2.84:1 Size of Grooves: OD Depth of cut Pitch ±25.4 mm in mm mm 98.4 3.875 4.0±0.79 914 101.6-111.1 4-4 3/8 4.8±0.79 914 114.3-130.2 4 1/2-5 1/8 5.6±0.79 965 133.4-146.1 5 1/4-5 3/4 6.4±0.79 1067 149.2-161.9 5 7/8-6 3/8 7.1±1.59 1067 165.1-177.8 6 1/2-7 7.9±1.59 1168 181.0-200.0 7 1/8-7 7/8 8.7±1.59 1626 203.2-225.4 8-8 7/8 9.5±1.59 1727 228.6-250.8 9-9 7/8 10.3±2.37 1829 254.0-276.2 10-10 7/8 11.1±2.37 1930 279.4 11 11.9±2.37 2037

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