SANY Rotary Drilling Rig Kelly Bar Manufacturer

SANY Rotary Drilling Rig Kelly Bar

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About Us: http://heavy-construction.com/2-1-rotary-drilling-rig-swdm60.html

We supply drilling rig kelly bars in the following rig models: SR250, SR280R, SR280RII, SR280DIID, SR280LH, SR360RC8, SR360III, SR285RC8, and SR460.

Xuzhou's (HENGQ) brand kelly bars are compatible with SANY drilling rigs, and come as either an interlocking kelly bar or a friction kelly bar. These kelly bars use SANY's design concept, keeping the square head structure, while adding our own patented designs, as listed below.

Patents/Additional Design
1. Double rivet welding hole pressure block patent
2. Kelly bar protecting ring patent
3. Longer square head joint
4. Kelly bar up and down protective moving device patent.

By putting these unique specifications together, our SANY kelly bars have become widely recognized by SANY drilling rig factories and customers both at home and abroad.

SANY Drilling Rig Kelly Bar Selection Parameters

Rig's Model	Kelly Bar Domination	Number of Tubes	Outer Pipe Length (m)	Drilling Depth (m)	Transportation Length (mm)
SR150C	Interlocking	3	10	28	11.5
		4	8	29	9.5
		4	10	36	11.5
		4	11	40	12.5
		4	12	44	13.5
	Friction	4	10	35	11.5
		4	11	40	9.5
		5	11	51	12.5
		5	12	56	13.5
SR200C	Interlocking	3	12	34	13.5
		3	13	37	14.5
		4	9	30	10.5
		4	10	34	11.5
		4	12	42	13.5
		4	12.5	45	14
		4	13	47	14.5
	Friction	4	10	35	11.5
		5	12.5	55	14
		5	13	59	14.5
SR200III	Interlocking	3	12	34	13.5
		3	13	37	14.5
		4	9	30	10.5
		4	10	34	11.5
		4	12	42	13.5
		4	12.5	45	14
	Friction	4	10	35	11.5
		5	12.5	55	14
		6	12.5	69	14
SR220C	Interlocking	3	12	34	13.5
		3	13	37	14.5
		4	9	30	10.5
		4	10	34	11.5
		4	12	42	13.5
		4	12.5	45	14
		4	13	47	14.5
	Friction	4	10	35	11.5
		5	12.5	55	14
		5	13	59	14.5
		5	14	64	15.5