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Established in 2001, Puyang Zhong Yuan Restar Petroleum Equipment Co.,Ltd, “RSD” for short, is Henan’s high-tech enterprise with intellectual property advantages and independent legal person qualification. With registered capital of RMB 50 million, the Company has two subsidiaries-Henan Restar Separation Equipment Technology Co., Ltd We are mainly specialized in R&D, production and service of various intelligent separation and control systems in oil&gas drilling,engineering environmental protection and mining industries.We always take the lead in Chinese market shares of drilling fluid shale shaker for many years. Our products have been exported more than 20 countries and always extensively praised by customers. We are Class I network supplier of Sinopec,CNPC and CNOOC and registered supplier of ONGC, OIL India,KOC. High quality and international standard products make us gain many Large-scale drilling fluids recycling systems for Saudi Aramco and Gazprom projects.

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DRILL COLLAR SLICK DRILL PIPE - ppeecuador.com
DRILL COLLAR SLICK DRILL PIPE - ppeecuador.com

Operational Limits of ,Drill Pipe, 80 % Inspection Class 3.5 Connection ,NC38, 4.875 ,Pipe, Body ,Pipe, Body OD Tool Joint OD 0.368 S-135 2.563 Tool Joint Specified Minimum 120,000 Yield Strength Wall Thickness ,Pipe, Body Grade Tool Joint ID

API SPEC 5DP Drill Pipe G105 88.9mm 9.35mm NC38 - Landee
API SPEC 5DP Drill Pipe G105 88.9mm 9.35mm NC38 - Landee

Type: ,Drill Pipe,. Material: G105. Size: 88.9. Wall Thickness: 9.35mm. Thread Type: ,NC38,. Standard: API SPEC 5DP.

Drill String Design Calculations | Complete Guide ...
Drill String Design Calculations | Complete Guide ...

The differential pressure acting across the ,drill pipe, wall due to an internal pressure greater than the external pressure is known as the burst load. you will have to check the used ,drill, pipes burst pressure. ... should be specified on all BHA connections ,NC-38, and larger. ... API ,Drill Pipe Specifications,, Thread Types &Tables.

Specification for Rotary Drill Stem Elements
Specification for Rotary Drill Stem Elements

Table 27 — Dimensions of Heavy Weight ,Drill Pipe, 10.1.5 Material inspection requirements 10.1.5.1 Integral HWDP tube, and all tool joints Each bar or tube used to manufacture HWDP tool joints or integral HWDP shall be examined for both surface and internal defects in accordance with Clause 11 of ISO 10424-1/API Spec 7-1. 10.1.5.2 Welded HWDP tube

GPDS and EIS Connections - NOV Inc.
GPDS and EIS Connections - NOV Inc.

Pipe, OD (in.) Nominal weight (lb/ft) Tool joint OD × ID (in.) Maximum MUT (ft-lb) ,NC 38, EIS 3.500 13.30 5 x 2.438 20,500 ,NC 38, EIS 3.500 15.50 5 x 2.438 20,500 NC 40 EIS 4.000 14.00 5.250 × 2.563 25,600 NC 40 EIS 4.000 15.70 5.250 × 2.563 25,600 NC 46 EIS 4.500 16.60 6.000 × 3.000 37,100 NC 46 EIS 4.500 20.00 6.000 × 3.000 37,100 NC 50 EIS

HWDP Specs | Command Tubular
HWDP Specs | Command Tubular

nc 38, (3-1/2 if) 5: 2-7/16: 675,045: 17,575: 10,000: 30 / 27: 31: 4: 2-9/16.719: 7.410: 4-1/2: 4-1/8: 407,550: 27,635: nc 40 (4 fh) 5-1/4: 2-9/16: 711,475: 23,525: 13,3000: 30 / 27: 31: 4-1/2: 2-13/16.875: 9.965: 5: 4-5/8: 548,075: 40,715: nc 46 (4 if) 6-3/8: 2-13/16: 1,024,500: 38,800: 21,800: 30 / 27: 31: 5: 3: 1.000: 12.566: 5-1/2: 5-1/8: 691,185: 56,495: nc 50 (4-1/2 if) 6-5/8: 3: 1,266,000: 51,375: 29,200: 30 / 27: 31: 5-1/2: 3 …

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Road West, North Branch, Jingkai Road, Puyang City