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China, Chinese API 7-1 Oilfield Drillig Tool Standard Spiral Drill Collar1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Drilling ToolsDrill RodToolOil Drilling
TIANHE OIL GROUP HUIFENG PETROLEUM EQUIPMENT CO., LTD.
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Product Description Product DescriptionAbout Drill CollarDrill Collar is the basic component in the BHA which provides weight on the bit for drilling and keeps the drill string in tension.TIANHE Drill Collar is manufactured from AISI 4145H modified quenched and tempered steel and is heat treated along its entire length for uniform toughness and durability. Strict metallurgical tests are performed per specifications to ensure that the heat treatment produces consistent and maximum hardness through the depth of the bar. Features and BenefitsA hardness range of 285 to 341 BHN and a Charpy impact value of 40 ft-lbs are guaranteed for evenly distributed 16 points in any cross sections at room temperature;Specifications - Drill CollarConnections are phosphate coated after machining to protect the threads from corrosive elements and to prevent galling upon initial make-up;Thread roots are cold rolled on API and H-90 connections;Pressed steel thread protectors are supplied for all drill collar that are equipped with standard connectionsWhen ordering please specify:Drill collar OD and ID;Overall length;Connections required (size and type);Special features desired, for example: Slick or Spiral;Stress Relief Features;Slip and/or Elevator Recess;Hardbanding;Specifications - Drill CollarNumber And Connection TableProductCodeOutside DiameterInside DiameterLength mmBevel Diameter mmBending Strength Ratio mm inmm in NC23-31Z01/Z02-0100079.43 1/831.81 1/4915076.22.57:1NC26-35(2 3/8 IF)Z01/Z02-0200088.93 1/238.11 1/2915084.52.42:1NC31-41(2 7/8 IF)Z01/Z02-04000104.84 1/850.829150 or 9450101.62.43:1NC35-47Z01/Z02-06000120.64 3/450.829150 or 9450114.72.58:1NC38-50(3 1/2 IF)Z01/Z02-07000127557.22 1/49150 or 94501212.38:1NC44-60Z01/Z02-23000152.4657.22 1/49150 or 9450144.52.49:1NC44-60Z01/Z02-23100152.4671.42 13/169150 or 9450144.52.84:1NC44-62Z01/Z02-08000158.86 1/457.22 1/49150 or 9450149.22.91:1NC46-62(4 IF)Z01/Z02-08100158.86 1/471.42 13/169150 or 94501502.63:1NC46-65(4 IF)Z01/Z02-09000165.16 1/257.22 1/49150 or 9450154.82.76:1NC46-65(4 IF)Z01/Z02-09100165.16 1/271.42 13/169150 or 9450154.83.05:1NC46-67(4 IF)Z01/Z02-11000171.46 3/457.22 1/49150 or 9450159.53.18:1NC50-67(4 1/2 IF)Z01/Z02-11100171.46 3/471.42 13/169150 or 9450159.52.37:1NC50-70(4 1/2 IF)Z01/Z02-12000177.8757.22 1/49150 or 9450164.72.54:1NC50-70(4 1/2 IF)Z01/Z02-12100177.8771.42 13/169150 or 9450164.72.73:1NC50-72(4 1/2 IF)Z01/Z02-24000184.27 1/471.42 13/169150 or 9450169.53.12:1NC56-77Z01/Z02-13000196.87 3/471.42 13/169150 or 9450185.32.70:1NC56-80Z01/Z02-14000203.2871.42 13/169150 or 9450190.13.02:16 5/8 REGZ01/Z02-15000209.68 1/471.42 13/169150 or 9450195.72.93:1NC61-90Z01/Z02-16000228.6971.42 13/169150 or 9450212.73.17:17 5/8 REGZ01/Z02-17000241.39 1/276.239150 or 9450223.82.81:1NC70-97Z01/Z02-25000247.69 3/476.239150 or 9450232.62.57:1NC70-100Z01/Z02-180002541076.239150 or 9450237.32.81:18 5/8 REGZ01/Z02-19000279.41176.239150 or 9450266.72.84:1Slips and elevator grooves can be produced upon customers' request. Detail Photoes- Drill Collar Packaging & ShippingCompany ProfileTianhe Oil Group is an integrated corporation engaged in petroleum equipment design, manufacture, sale, rental, and maintenance, oil engineering services and oilfield exploration and development.Tianhe Oil Group has 5 business scopes throughout 50 countries and regions as follows:Drilling Tools Scope :The first scope supports the design, manufacture, sale, rental and maintenance of drilling tools such as drill pipe, heavy weight drill pipe, drill collar, kelly, stabilizers, downhole motors, jars, absorbers, fishing tools, milling tools and valves etc. 2.Rigs and Offshore Services Scope : This division supports the design, manufacture, sale, rental, maintenance and other engineering services for skid-mounted rigs, mobile drilling rigs, workover rigs, offshore drilling platforms and platform cranes etc. 3.Oilfield Engineering Services Scope: This division provides an integrated oilfield engineering support for drilling engineering services, downhole operation services, logging services, directional drilling services, cooperative cementing services and cooperative well completion services etc. 4.Oilfield Exploration and Development Scope : This scope sources, acquires and manages oilfield exploration and development projects, via wholly owned, joint ventures or profit sharing company. 5.Processing Trade with Provided Materials Scope:Taking advantage of the geographical logistics of Shanghai Free Trade Zone and Yangshan Port, Shanghai Tianhe undertakes processing on giving materials or samples, seeking the common development of diversified forms such as cooperation or joint venture, both domestically and internationally.Over the years, Tianhe Oil Group, regarding "people-oriented, technology first, continuous improvement, casting brand" as our management guidance, continuously strives to innovate and improve our products and expand business related to oilfield. Meanwhile, The company also increases investment in technology research and development, always takes providing the global customers with the best technical products and services as our company's mission.Tianhe Oil Group strongly believes and promotes Total Quality Management, implement the ISO quality management system and HSE management system and API Standard, which has been deeply implanted into every person's thought and carried out into every aspect of work.Our manufacturing facilities are well equipped with four automated induction heat treatment lines and dozens of other types of heat treatment ovens and well furnaces to ensure full coverage of heat treatment requirements by different products to achieve the required mechanical properties.In order to ensure the quality consistency and interchangeability of high precision components, Tianhe has introduced WFL 5-axis Linkage Turning & Milling Machining Center from Austria, Mazak's turn milling machining center from Japan and the Haas vertical machining center from USA. These processes are facilitated with precise quality inspection equipment such as the Brunker OES Metal Analyzers from Germany, Ultrasonic and Magnetic Powder Flaw Detector and high precision Hexagon Three Coordinate Measuring Machine and Farco Portable Three Coordinate Measuring Machine.So far, Tianhe Oil Group has established strong business relationships with over 200 international oil & gas companies in supporting the top 50 oil producing countries. FAQ1.Q:Are you a factory or trading company?We are a factory and the Top 3 of oildrilling equipment manufacturer.2.Q:Where is your factory located? We locate in Heilongjiang Province, China.3. Q:What do your factory do regarding quality control?From material to products, we inspect each process to keep good quality.And SGS inspection can be accepted.4.Q:How about MOQ ?We have stock of common sizes at hand, so even few ton is accepted.5.Q:How about payment ?Both T/T and L/C can be accepted.6.Q: How long does your warranty?We can assured the quality within 90 days after receiving the cargoes.
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