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Supply of Hexagonal Kelly along with Kelly Bushing
Reference: SDG1088P17/06 5/14/2016, Location: Asia
Category: Drilling Equipment
Scope of Work
The company invites bids for the supply of Qty= 02 Nos., 5.1/4 Inches Hexagonal Kelly.
A. Hexagonal Kelly Conforming To API Spec 7-1 & Bearing the API Monogram Mark, Manufactured from AISI 4145 H API Modified Alloy Steel from Specially Straightened Kelly Bars, Full Length Quenched and Tempered, Brinell Hardness: 285-341, and with the Following Specification:
1) Nominal Size: 5.1/4" (133.35 Mm)
2) Overall Length: 40 Ft. (12.19 M)
3) Length of Drive Section: 37 Ft. (11.28 M)
4) Width across Flats: 5.1/4" (133.4 Mm)
5) Width across Corners: 5.900" Or 5.31/32"
6) Inside Diameter: 2.13/16" (71.44 Mm)
A.1. Upper Upset:
7.3/4" (196.85 Mm) OD X 16" (406.40 Mm) Length with 6.5/8" API Reg. Left Hand Box-Up Connection.
A.2. Lower Upset:
6.3/8" (161.92 Mm) OD X 20" (508.00 Mm) Length with Nc50 (4.1/2" API If) Right Hand Pin Down Connection.
A.3. The Connections shall be with Stress Relief Grooves on Pin End, Bore Back Box And Cold Rolled Phosphatised Threads, Complete with Pressed Steel Protectors on both ends.
B. The Kellys Shall Bear the API Monogram Mark and should be Supplied in 8.5/8" (219.075 Mm) OD Steel Shipping Scabbard and Secured Properly.
II. Kelly Bushing (Drive Bush) for 5-1/4 Inches Hexagonal Kelly with Specification as Under (02 Numbers):-
Square Drive Roller Kelly Bushing Conforming To API Spec 7k & Suitable for 5.1/4" (133.35 Mm) Hexagonal Kelly, Complete with Rollers Wrench and Wiper Assembly. The Kelly is to be Used with 27.1/2" (698.50 Mm) Rotary Table with Square Drive Master Bushing.
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