Masts of drilling rig

Place of Origin:China Beijing

Company Info

Company Published: 2007
Online Postings: Products , Selling Leads
Country/Territory: China
Business Type: Manufacturer, Trading Company
Number of Employees: 51 - 100 People

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Terms of Payment: L/C,T/T

Detailed Product Description

The shape of mast section is K-open face type.
Mast is rigged up at ground level and raised integrally.
Full bearing connections between sections and double pins connections ensure connections integrity.
Mast stem uses beam type structure. It is easy to assemble/disassemble and transport.
Major stressed load parts, such as the legs and gin pole are made of H beam.
Mast leveling points are designed into the structures to allow efficient operation. The masts conform to API spec.4F, and API monogram can be used.

Specifications of Masts

Model		JJ135/31.5-K	JJ225/43-K	JJ225/43-K	JJ315/44.5-K	JJ315/45-K	JJ450/45-K	JJ450/45-K
Mast static load rating KN		1350	2250	2250	3150	3150	4500	4500
Working height m		31.5	43	43	44.5	45	45	45
Top span (Front X side) m		1.7X1.7	2X2	2X2	2.1X2.05	2.1X2.05	2.1X2.05	2.2X2.2
Bottom span m		6	8	8	9	8	9	9
Height of monkey board m		17.5	26.5	26.5	26.5	26.5	26.5	26.5
		16.5	25.5	25.5	25.5	25.5	25.5	25.8


Capacity of monke board m		2000	4000	4000	5000	5000	7000	7280
Wind loading	Under non-workig conditions (no set back,no hook load) km/h	172	172	172	172	172	172	172
	Under non-workig conditions (stand,nohook load) km/h	130	130	130	130	130	130	130
	Rising & lowering mast km/h	30	30	30	30	30	30	30
Weight kg		25410	40600	53500	54200	62194	75580	76218