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Discussion History

Derrick

Assembly

Bolted lattice tower ~65 m above the drill floor with two load paths (main and auxiliary) rated around 1,250 short tons each; tens of thousands of high-strength bolts hold it together. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Derrick parts and their functions

4 top-level parts · 97,413 parts in total · full bill of materials below
Derrick parts diagram: 1 derrick lattice member, 2 derrick bolt set, 3 crown block, 4 ball bearing. 97,413 parts in 4 top-level items.
Derrick parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Derrick Lattice Member 2400× Lattice legs, girts and braces
2 Derrick Bolt Set 95000× High-strength structural bolt sets, bolted construction lets the derrick ship in sections
3 Crown Block 1× Fixed sheave cluster at the derrick top over which the drill line reeves to the traveling block.
4 Ball Bearing 12× Crown sheave bearings

3D model

No 3D model yet. Have a CAD file of this? Add a 3D model. STL renders right on this page; STEP, FreeCAD, and OpenSCAD sources are welcome too (openly licensed, like all 3D models on BOMwiki).

Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour
product / assembly shared across products atomic part related product

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Bill of materials for Derrick

4 top-level lines · 4 rows shown · 97,413 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Derrick Lattice Member drillship-derrick-member 2400× 2,400 · part
2 Derrick Bolt Set drillship-derrick-bolts 95000× 95,000 · part
3 Crown Block drillship-crown-block 1× 1 · part
4 Ball Bearing ball-bearing 12× 12 · part

Where the derrick is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Used in 1 assembly

Drilling Package

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$100. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳Foxconn
foxconn.com ↗ 		Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
🇸🇬Flex (Singapore)
flex.com ↗ 		Singapore Electronics contract mfg 1,000 pcs 6–10 wks
🇮🇳Dixon Technologies
dixoninfo.com ↗ 		Noida, IN Electronics contract mfg 1,000 pcs 6–10 wks
🇨🇳BYD Electronics
bydelectronic.com ↗ 		Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
🇸🇬Venture Corp
venture.com.sg ↗ 		Singapore Electronics contract mfg 1,000 pcs 6–10 wks