BOP Stack
AssemblyBlowout preventer stack used while drilling or working over the well. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
BOP Stack parts and their functions
7 top-level parts · 64 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Annular Preventer 4 parts | 1× | Annular preventer sealing any pipe size |
| 2 | Ram Preventer 4 parts | 2× | Pipe and blind/shear ram preventers |
| 3 | Choke Manifold 4 parts | 1× | Controlled bleed-off manifold |
| 4 | Kill Line 3 parts | 1× | High-pressure kill fluid line |
| 5 | Hydraulic Accumulator Unit 4 parts | 1× | Hydraulic closing unit |
| 6 | Ring Joint Gasket (RTJ) | 2× | Soft-iron/SS oval or octagonal metal seal ring for flange faces. |
| 7 | Fastener Set | 1× | Bolts, nuts, and washers. |
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Bill of materials for BOP Stack
7 top-level lines · 40 rows shown · 64 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Annular Preventer 4 parts | geothermal-wellhead-annular-bop | 1× | 1 | 5 | assembly |
| 1.1 | BOP Body | geothermal-wellhead-bop-body | 1× | 1 | · | part |
| 1.2 | Annular Packing Element | geothermal-wellhead-packing-element | 1× | 1 | · | part |
| 1.3 | Closing Piston | geothermal-wellhead-bop-piston | 1× | 1 | · | part |
| 1.4 | O-Ring Set | oring-set | 2× | 2 | · | part |
| 2 | Ram Preventer 4 parts | geothermal-wellhead-ram-bop | 2× | 2 | 7 | assembly |
| 2.1 | BOP Body | geothermal-wellhead-bop-body | 1× | 2 | · | part |
| 2.2 | Ram Block | geothermal-wellhead-ram-block | 2× | 4 | · | part |
| 2.3 | Ram Packer Seal | geothermal-wellhead-ram-seal | 2× | 4 | · | part |
| 2.4 | Closing Piston | geothermal-wellhead-bop-piston | 2× | 4 | · | part |
| 3 | Choke Manifold 4 parts | geothermal-wellhead-choke-manifold | 1× | 1 | 27 | assembly |
| 3.1 | Manifold Spool | geothermal-wellhead-manifold-spool | 1× | 1 | · | part |
| 3.2 | Master Gate Valve 10 parts | geothermal-wellhead-master-valve | 2× | 2 | 12 | assembly |
| 3.2.1 | Gate Valve Body | geothermal-wellhead-valve-body | 1× | 2 | · | part |
| 3.2.2 | Slab Gate | geothermal-wellhead-gate-slab | 1× | 2 | · | part |
| 3.2.3 | Floating Valve Seat | geothermal-wellhead-valve-seat | 2× | 4 | · | part |
| 3.2.4 | Valve Stem | geothermal-wellhead-valve-stem | 1× | 2 | · | part |
| 3.2.5 | Valve Bonnet | geothermal-wellhead-bonnet | 1× | 2 | · | part |
| 3.2.6 | Stem Packing Set | geothermal-wellhead-stem-packing | 1× | 2 | · | part |
| 3.2.7 | Handwheel | geothermal-wellhead-handwheel | 1× | 2 | · | part |
| 3.2.8 | Sealant Injection Fitting | geothermal-wellhead-grease-fitting | 2× | 4 | · | part |
| 3.2.9 | O-Ring Set | oring-set | 1× | 2 | · | part |
| 3.2.10 | Fastener Set | fastener-set | 1× | 2 | · | part |
| 3.3 | Choke Body | geothermal-wellhead-choke-body | 1× | 1 | · | part |
| 3.4 | Pressure Sensor | pressure-sensor | 1× | 1 | · | part |
| 4 | Kill Line 3 parts | geothermal-wellhead-kill-line | 1× | 1 | 7 | assembly |
| 4.1 | Kill Line Pipe | geothermal-wellhead-kill-pipe | 1× | 1 | · | part |
| 4.2 | Swing Check Valve 4 parts | geothermal-wellhead-check-valve | 1× | 1 | 4 | assembly |
| 4.2.1 | Check Valve Body | geothermal-wellhead-check-body | 1× | 1 | · | part |
| 4.2.2 | Check Valve Disc | geothermal-wellhead-check-disc | 1× | 1 | · | part |
| 4.2.3 | Hinge Pin | geothermal-wellhead-check-pin | 1× | 1 | · | part |
| 4.2.4 | O-Ring Set | oring-set | 1× | 1 | · | part |
| 4.3 | Flow Line Flange | geothermal-wellhead-flow-line-flange | 2× | 2 | · | part |
| 5 | Hydraulic Accumulator Unit 4 parts | geothermal-wellhead-accumulator | 1× | 1 | 8 | assembly |
| 5.1 | Accumulator Bottle | geothermal-wellhead-accumulator-bottle | 4× | 4 | · | part |
| 5.2 | Hydraulic Charging Pump | geothermal-wellhead-hydraulic-pump | 1× | 1 | · | part |
| 5.3 | Hydraulic Control Valve Bank | geothermal-wellhead-control-valve-bank | 1× | 1 | · | part |
| 5.4 | Pressure Sensor | pressure-sensor | 2× | 2 | · | part |
| 6 | Ring Joint Gasket (RTJ) | geothermal-wellhead-rtj-gasket | 2× | 2 | · | part |
| 7 | Fastener Set | fastener-set | 1× | 1 | · | part |
Where the BOP stack is used
1 product across 1 domain contain it, directly or inside a sub-assemblyUsed in 1 assembly
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| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
|
🇨🇳Foxconn
foxconn.com ↗
|
Shenzhen, CN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| flex.com ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| dixoninfo.com ↗ | Noida, IN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| bydelectronic.com ↗ | Shenzhen, CN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| venture.com.sg ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |