Products

Contact Person : Mr. Niu Eric
Company Name : Shijiazhuang Longway Petroleum Drill Tools Co., Ltd.
Tel : 86-311-84386567
Fax : 86-311-84386567
Address : Hebei,jinzhou of shijiazhuang,Jinzhou City of Hebei Province town and village in the North Camp
Country/Region : China
Zip : 052260

Drill Stem Accessories----Drilling joints

Product Detailed

--Oil drill pipe of API 5DP --API standerd (alloy steel E.X.G.S) --OD :2-3/8,2-7/8,3-1/2,4,4-1/2,5(inch) --Upset:IU,EU,IEU

Drill joints play a connecting role in oil and gas drilling and geological work, it is one of the main tools to connect the upper and lower part of the drill hole.

Drill pipe joint specifications: ø68, 78,105,121

Produces drill pipe joints with different specifications. Can provide various kinds of joint blanks, polished and finished products according to customers needs. Joints are made of quality alloy steel through special heat treatment. Have the features of strong strength, good toughness, and long usage life. Surface of screw is copper-plated or phosphated. Good adhension-prevention. Mechanical feature meets the requirements in SY/T5290 and in API Spec7.

Steel Grade	DZ40, DZ50, R780, G105
Diameter pipe( mm)	60	50	73	89	102	114	127
Joint diameter(mm)	75	65	105	127	133.4	158.8	168
Wall thickness(mm)	7.1	6.5	9.19	9.5	8.38	8.56	9.19
Length of drill pipe(mm)	1000-4500	1000-4500	1500-9500	1500-9500	3000-9500	1500-9500	5000-9600
Upset style	IU, EU, IEU

Drill Stem Accessories----Drilling joints