Normal Drill Collars

FOB Price

US$ 1,000 - 2,000 / Metric Ton

10 Metric Tons(Min. Order)

Port Tianjin Shanghai
Payment TermsT/T

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Product Details

Thickness	10, 280	Section Shape	Round
Outer Diameter	79.4 - 279.4 mm	Place of Origin	China
Secondary Or Not	Non-secondary	Application	Other, Drill Collar
Technique	Cold Rolled	Certification	API
Surface Treatment	Copper Coated	Special Pipe	API Pipe
Alloy Or Not	Is Alloy

Packaging Details

bundle or as per as your requirement

Product Description

Specifications

1.Standard: API 7-1
2.AISI 4145H or 4145H modified alloy steel
3.Strict quality assurance system
4.Reasonable price

Drill Collar

Product Explanation:Drill collars are made of AISI 4145H or 4145H modified alloy steel. And it is used between the drill pipe and the bit in the drill stem. The chemical composition should be controlled strictly during the refining and forging process. It is used to put weight on the bit so that the bit can drill.

Product types and specifications:

Drill Collar Number and Connection Label	OD	ID	Length	BD	Referenced bending Strength Ratio
	mm	mm	Length	BD
		+1.59	m	mm
		+1.59	+152.4mm	mm
NC23-31	79.4	31.8	9.14	76.2	2.57:1
NC26-35	88.9	38.1	9.14	82.9	2.42:1
NC31-41	104.8	50.8	9.14 / 9.45	100.4	2.43:1
NC35-47	120.6	50.8	9.14 / 9.45	114.7	2.58:1
NC38-50	127.0	57.2	9.14 / 9.45	121.0	2.38;1
NC44-60	152.4	57.2	9.14 / 9.45	144.5	2.49:1
NC44-60	152.4	71.4	9.14 / 9.45	144.5	2.84:1
NC44-62	158.8	57.2	9.14 / 9.45	149.2	2.91:1
NC46-62	158.8	71.4	9.14 / 9.45	150.0	2.63:1
NC46-65	165.1	57.2	9.14 / 9.45	154.8	2.76:1
NC46-65	165.1	71.4	9.14 / 9.45	154.8	3.05:1
NC46-67	171.4	57.2	9.14 / 9.45	159.5	3.18:1
NC50-70	177.8	57.2	9.14 / 9.45	164.7	2.54:1
NC50-70	177.8	71.4	9.14 / 9.45	164.7	2.73:1
NC50-72	184.2	71.4	9.14 / 9.45	169.5	3.12:1
NC56-77	196.8	71.4	9.14 / 9.45	185.3	2.70:1
NC56-80	203.2	71.4	9.14 / 9.45	190.1	3.02:1
65/8 REG	209.6	71.4	9.14 / 9.45	195.6	2.93:1
NC61-90	228.6	71.4	9.14 / 9.45	212.7	3.17:1
75/8 REG	241.3	76.2	9.14 / 9.45	223.8	2.81:1
NC70-97	247.6	76.2	9.14 / 9.45	232.6	2.57:1
NC70-100	254.0	76.2	9.14 / 9.45	237.3	2.81:1
85/8 REG	279.4	76.2	9.14 / 9.45	266.7	2.84:1

Company Profile

Sinotai Petroleum Equipment Co., Ltd.

As a professional supplier of OCTG, drilling equipment and workover service, Sinotai Petroleum Equipment Co., Ltd. lies in the production base of petroleum equipment and China's second largest oil field --Shengi Oilfield. Our company is a high-tech enterprise in Dongying City with business scope covering the sale, trading, post-sale service and technological development of a wide variety of petroleum equipment. Besides OCTG, we provide our customers with other drilling and oil recovery equipment like fishing tools, cementing tools, workover rigs, pumping units and OCTG accessories. The striving target of our company is "Prestige first, Quality supreme; The shortest delivery time, The lowest price, The best quality". Customers' needs are our first priority and customer satisfaction is the bottom line by which we measure our success.

Contact Us

Sinotai Petroleum Equipment Co., Ltd.: Contact nameHerish Kuo
Chat Now; Phone86-546-8300512; AddressNo. 107, Bldg. 45, Gaoerfu, Wanda, Dongcheng

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Product Categories

Cementing tools	Down hole tools	Drilling Rig Accessories	Drilling Tools
Mud pump system	New Products	OCTG	Petroleum Instrument
Production Equipment	Protective Equipment	solid control system	Well control system
well head tools

Normal Drill Collars

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