geological drilling pipes

Detailed Product Description

drill pipes in diameters of 50/60/73/89/114/127 millmeters(API CERTIFICATION)

drilling joints in diameters of 68/78/105/121 millmeters

drill collar in diameters of 121/146/159/178

geological drilling pipes in diameters of 42/50/60/73/89 millmeters

drilling joints in diameters of 57/165/75 millmeters

we are factory specializing in the manufacture and export of drill pipe, drill collars and drilling joints(API and other standard) for more than thirty years.

Complete in specifications, quality and quantity assured, competitively priced!

 

Drill Pipe
Size(inch)	Weight Designation	Calculated Plain-End weight		Outside Diam.		Wall Thickness
		Lb/ft	Kg/m	Inch	mm	Inch	mm
2-3/8	6.65	6.26	9.32	2.375	60.3	0.280	7.11
2-7/8	10.40	9.72	14.48	2.875	73.0	0.362	9.19
3-1/2	9.50	8.81	13.12	3.500	88.9	0.254	6.45
3-1/2	13.30	12.31	18.34	3.500	88.9	0.368	9.35
3-1/2	15.50	14.63	21.79	3.500	88.9	0.449	11.40
4	14.00	12.93	19.26	4.000	101.6	0.330	8.38
4-1/2	13.75	12.24	18.23	4.500	114.3	0.271	6.88
4-1/2	16.60	14.98	22.31	4.500	114.3	0.337	8.56
4-1/2	20.00	18.69	27.84	4.500	114.3	0.430	10.92
4-1/2	16.25	14.87	22.15	4.500	114.3	0.296	7.52
5	19.50	17.93	26.71	5.000	127	0.362	9.19
5	25.60	24.03	35.79	5.000	127	0.500	12.70