Oil, Gas & Process parts lists
BOMwiki lists 85 products in oil, gas & process, with 914,141 parts counted across their recorded bills of materials. The highest recorded part count is the deepwater drillship at 891,301 parts across 9 top-level items; the lowest is the sucker-rod (beam) pump downhole at 24. Open a product to explore its recorded components and their roles. Counts describe the current BOMs, not a complete inventory of every product variant.
85 products
Amine Gas Sweetening Unit
Absorber-regenerator unit that strips hydrogen sulfide and CO2 from gas: sour gas contacts a circulating amine solution that absorbs the acid gases, then a heated stripper drives them off and regenerates the lean amine for reuse.
3,543 parts · 9 BOM lines
Blowout Preventer Stack
A stack of hydraulically operated annular and ram preventers that seals a drilling well to contain unexpected formation pressure.
204 parts · 7 BOM lines
Caliper Inspection Pig
Unmanned pipeline robot equipped with spring-loaded radial arms and capacitive sensors, traveling inside pressurized pipe to measure internal wall thickness, dents, and ovality.
64 parts · 8 BOM lines
Centrifugal Gas Compressor
A barrel-type multistage centrifugal compressor that raises natural gas pressure for pipeline transmission, reinjection or processing, driven through a flexible coupling by a gas turbine or electric motor.
137 parts · 9 BOM lines
Choke Manifold
A skid of valves, chokes, and high-pressure piping that controls well flow and bleeds off pressure during well-control operations.
179 parts · 7 BOM lines
CO2 Injection Pump
High-pressure pump that injects CO2 into reservoirs for enhanced oil recovery.
463 parts · 10 BOM lines
Coiled Tubing Unit
A truck- or skid-mounted spread that runs a continuous string of small-diameter tubing into a live well for intervention.
190 parts · 8 BOM lines
Condensate Stabilizer Column
Distillation column that removes light ends from gas condensate for storage: feed is heated and fractionated so dissolved methane through butane leave overhead while a stable, low-vapor-pressure liquid drops out the bottom.
2,234 parts · 8 BOM lines
Crude Oil Desalter
Electrostatic vessel that washes salt out of crude before refining.
86 parts · 8 BOM lines
Deepwater Drillship
A seventh-generation dynamically positioned drillship: ~110 welded hull blocks under a dual-activity derrick, 12,000 ft-rated riser and BOP systems, six azimuth thrusters and a 40+ MW power plant.
891,301 parts · 9 BOM lines
Delayed Coker Drum
Vessel where heavy residue is thermally cracked into coke and lighter products.
208 parts · 9 BOM lines
Distillation Column
A refinery atmospheric fractionation column that separates crude into product cuts by boiling point, with reboiler, overhead condenser, reflux and full instrumentation.
189 parts · 9 BOM lines
Downhole Production Packer
Mechanical or hydraulic downhole tool that runs on production tubing and sets against the casing wall to seal the annulus and isolate one or more producing zones in a well. Built as either a retrievable design that can be unseated and pulled, or a permanent design that is set once and milled out on workover.
83 parts · 9 BOM lines
Drilling Mud Degasser
Vacuum vessel that strips entrained gas from drilling mud returning from the wellbore. A liquid-ring vacuum pump lowers the tank to roughly 0.3-0.5 bar absolute while a rotor spreads incoming mud into a thin film across cascade trays, releasing dissolved and entrained gas. Degassed mud is pumped back to the active pit and the liberated gas is vented through a flare line.
154 parts · 9 BOM lines
Drilling Mud Mixing System
Hopper and pump skid that mixes drilling fluid additives into mud. A centrifugal mixing pump draws mud from the active pit, drives it through a venturi jet under the hopper, and the suction created there pulls dry barite, bentonite, and chemicals down into the stream before returning the blended mud to the pit.
135 parts · 7 BOM lines
Drilling Mud Pump
Triplex or centrifugal pump driven by diesel engine that circulates drilling mud down the drill string and back up the borehole at pressures up to 3000 psi.
49 parts · 8 BOM lines
Drilling Top Drive
Rig-floor top drive system: AC drive motor, reduction gearbox, main shaft / quill with wash pipe and gooseneck, bails and elevator, integrated pipe handler, guide dolly, disc brake, VFD drive cabinet and driller control system.
181 parts · 12 BOM lines
Electric Submersible Pump (ESP)
A downhole artificial-lift string combining a multistage centrifugal pump, oil-filled motor and seal section, hung on tubing thousands of meters down a well and powered through an armored cable.
635 parts · 7 BOM lines
Electrostatic Coalescer
Vessel that uses an electric field to merge water droplets out of oil.
80 parts · 8 BOM lines
FCC Catalyst Regenerator
Vessel that burns coke off catalyst in a fluid catalytic cracking unit.
175 parts · 9 BOM lines
Field Pipe Coating Machine
Portable spray or applicator system applying fusion-bonded epoxy (FBE) or polyethylene (PE) powder coating to steel pipe OD in the field, followed by UV curing or thermal annealing.
27 parts · 8 BOM lines
Fired Process Heater
Direct-fired furnace that heats process streams in a refinery.
438 parts · 8 BOM lines
Flare Knockout Drum
Vessel that removes liquids from relief gas before it reaches the flare.
97 parts · 9 BOM lines
Flare Pilot Ignition System
Spark and pilot package that keeps a refinery flare reliably lit.
149 parts · 8 BOM lines
Floating-Roof Storage Tank
A large welded steel tank whose roof floats directly on the stored crude oil or product, eliminating the vapor space that drives evaporation losses and fire risk.
144 parts · 9 BOM lines
Free Water Knockout Drum
Vessel that drops out bulk water from the crude oil stream.
53 parts · 8 BOM lines
Gas Compressor Station
A gas-turbine-driven centrifugal compressor package for pipeline gas boosting, skid-mounted with process, lube/seal oil, control and safety systems.
570 parts · 9 BOM lines
Gas Engine Driven Compressor
Integral gas-engine compressor that boosts pipeline gas pressure.
217 parts · 8 BOM lines
Gas Flare System
An elevated combustion system that safely burns relief and blowdown gas from a process plant, keeping a continuously lit pilot ready for emergency releases.
89 parts · 8 BOM lines
Gas Lift Mandrel and Valve
A side pocket mandrel run in the tubing string with a wireline-retrievable gas lift valve set in its pocket, used to inject high-pressure gas into the production stream so the lighter fluid column lifts to surface. Injection-pressure-operated (IPO) valves sense casing gas pressure to open, while production-pressure-operated (PPO) valves sense tubing pressure, and a check valve in each prevents back-flow into the casing.
58 parts · 8 BOM lines
Gas Metering Skid
Orifice or ultrasonic skid that measures natural gas flow for custody transfer: a primary metering element, flow conditioning, multivariable transmitters, gas chromatograph and flow computer give fiscal-grade volume and energy accounting.
1,491 parts · 8 BOM lines
Gas Odorizer Skid
Injection skid that adds mercaptan odorant to natural gas.
130 parts · 8 BOM lines
Gas Pressure Regulating Station
Skid that reduces and meters gas pressure entering a distribution grid.
133 parts · 9 BOM lines
Glycol Dehydration Unit
A packaged absorption system that strips water vapor from natural gas by contacting it with triethylene glycol, then regenerates the glycol by boiling the water off.
68 parts · 8 BOM lines
Heater Treater
A fired three-phase vessel that heats produced well fluid to break oil-water emulsions and separates it into sales oil, water, and gas.
44 parts · 7 BOM lines
Hydraulic Fracturing Pump
A skid-mounted high-pressure reciprocating plunger pump that injects fracturing fluid downhole during well stimulation.
145 parts · 8 BOM lines
Hydrocracker Reactor
High-pressure reactor that cracks heavy oil into fuels with hydrogen.
314 parts · 9 BOM lines
Indirect Line Heater
A water-bath heater that warms high-pressure well gas flowing through an immersed coil, preventing hydrate freeze-ups downstream of pressure-reducing chokes.
72 parts · 7 BOM lines
Inline Inspection Pig
Instrumented pig that records wall thickness and defects inside a pipeline.
248 parts · 7 BOM lines
Internal Welding Machine
Automated orbital pipe welding head that fuses butt-joint pipe seams from inside the bore using a rotating consumable electrode and copper backing ring.
36 parts · 8 BOM lines
Iron Roughneck
A hydraulic pipe-handling machine that spins and torques drill-pipe connections on the rig floor, replacing manual tongs.
104 parts · 7 BOM lines
JT Gas Dew Point Skid
Refrigeration skid that drops gas pressure to condense out heavy liquids: a Joule-Thomson valve chills high-pressure gas across a gas-gas exchanger, dropping its hydrocarbon and water dew points before sale.
441 parts · 9 BOM lines
LACT Custody Transfer Unit
Lease automatic custody transfer skid that meters crude oil sales: a positive-displacement or Coriolis meter, sampler, BS&W monitor, air-eliminator and skid-mounted pumping handle measurement-grade transfer from a lease tank into a pipeline.
554 parts · 9 BOM lines
LNG Vaporizer (ORV)
An open rack vaporizer that regasifies liquefied natural gas at -162 °C by running a falling film of seawater over finned aluminum heat-exchange panels.
603 parts · 7 BOM lines
Marine Drilling Riser Joint
Buoyant riser section connecting a floating rig to the subsea wellhead.
238 parts · 9 BOM lines
Mud Desander and Desilter
Hydrocyclone bank that removes fine solids from drilling fluid. The unit combines large desander cones for sand-sized particles and a bank of smaller desilter cones for silt, mounting both over a single underliner shaker screen that recovers usable mud. It is a stage in the solids-control train on a drilling rig, working downstream of the shale shaker and upstream of the centrifuge.
236 parts · 9 BOM lines
Mud Logging Unit
Cabin that analyzes drilling mud and cuttings to log a borehole.
69 parts · 7 BOM lines
Mudline Suspension System
Casing hanger system that supports well casing at the seabed.
246 parts · 8 BOM lines
Natural Gas City Gate Station
Station that receives, odorizes and regulates gas into a municipal network.
112 parts · 8 BOM lines
NGL Fractionation Column
Tower that separates natural gas liquids into propane, butane and heavier cuts.
352 parts · 9 BOM lines
Nitrogen Rejection Unit
Cryogenic unit that removes nitrogen to upgrade low-quality natural gas.
87 parts · 8 BOM lines
Oil Pumpjack
A beam pumping unit (sucker-rod pump) that lifts crude from a shallow well.
141 parts · 12 BOM lines
Oil-Gas Separator
A pressure vessel that splits a wellstream into separate oil, gas and water phases by gravity and momentum.
87 parts · 9 BOM lines
Oilwell Cementing Unit
A truck- or skid-mounted high-pressure pump unit that mixes dry cement with water and pumps the resulting slurry down a well to set casing in place. A diesel engine drives one or two triplex plunger pumps through a transmission, a recirculating jet mixer blends the slurry to a controlled density, and a densitometer and flow meter feed a control console that records the job in real time.
902 parts · 9 BOM lines
Oilwell ESP System
Downhole multistage centrifugal pump driven by a submersible electric motor that lifts crude oil from the reservoir to the surface.
376 parts · 7 BOM lines
PCP Artificial Lift System
A surface-driven progressing cavity pump system that lifts heavy and sandy crude from a wellbore by rotating a single-helix steel rotor inside a double-helix elastomer stator. The pump is turned through a rod string by a surface drive head powered by an electric motor and speed-controlled by a variable frequency drive.
781 parts · 7 BOM lines
Perforating Gun
Charged downhole tool that punches holes through casing into the reservoir. A steel carrier holds shaped charges fired in sequence by a detonating cord, creating perforation tunnels that connect the wellbore to the producing formation.
126 parts · 7 BOM lines
Pig Launcher/Receiver
Pressure-rated barrel assembly that launches or receives intelligent pipeline inspection gauges (pigs) via quick-opening closure, with check valves and vent lines for safe insertion and extraction.
33 parts · 8 BOM lines
Pipe Facing Machine
Portable pipe mill that squares and bevels the cut end of pipe using a rotating cutter head, producing clean perpendicular faces and ISO 5817 chamfers for welding assembly.
34 parts · 8 BOM lines
Pipeline Block Valve Station
Valve assembly that isolates a pipeline section for maintenance or emergencies.
62 parts · 7 BOM lines
Pipeline Holiday Detector
High-voltage spark testing device detecting coating defects (holidays) on buried pipelines, passing a brush electrode over the surface to locate pinholes and damaged areas.
27 parts · 8 BOM lines
Pipeline Pig Launcher
A pressure-vessel trap that inserts cleaning and inspection pigs into a live pipeline, using kicker-line flow to push the pig past the trap valve into the main line.
53 parts · 8 BOM lines
Pipeline Pig Receiver
Barrel and valves that capture a cleaning pig at the end of a pipeline run.
38 parts · 7 BOM lines
Plunger Lift System
Cyclic artificial lift method that drops a free piston down the tubing and lets accumulated reservoir pressure carry it back up, sweeping liquid loads off the bore of a gas well. The system has no rods or downhole power, only the plunger, a bottom hole bumper spring, a surface lubricator and catcher, a flowline motor valve, and a controller that times the shut-in and flow periods.
47 parts · 7 BOM lines
Reciprocating Gas Compressor Package
Engine-driven recip compressor skid for field gas gathering and injection.
187 parts · 8 BOM lines
Seismic Vibrator Truck
Vibroseis truck that shakes the ground to generate seismic survey waves.
62 parts · 7 BOM lines
Shale Shaker
Vibrating screen that separates rock cuttings from returning drilling mud. Mud carrying cuttings flows from the wellbore onto inclined screen panels that vibrate at high frequency, so the liquid mud passes through the mesh while solids ride off the discharge end. It is the first stage of the rig solids-control system and protects the mud pumps and downstream equipment.
201 parts · 9 BOM lines
Side-Entry Tank Mixer
Propeller mixer that keeps crude blended and sludge suspended in a storage tank.
165 parts · 10 BOM lines
Sour Water Stripper
Column that strips ammonia and sulfide from refinery wastewater.
273 parts · 9 BOM lines
Subsea Production Tree
Seabed valve and control assembly that regulates flow from a subsea oil or gas well.
198 parts · 9 BOM lines
Subsea Wellhead Tree
A subsea wellhead and vertical christmas tree controlling and routing hydrocarbon flow from a deepwater well to the flowline.
110 parts · 10 BOM lines
Sucker-Rod (Beam) Pump Downhole
The downhole pump of a beam-pumped well: a working barrel and two ball valves that lift crude on each rod stroke.
24 parts · 8 BOM lines
Sulfur Recovery Unit
Claus process unit that converts hydrogen sulfide into elemental sulfur.
206 parts · 9 BOM lines
TEG Gas Dehydration Skid
Glycol contactor skid that removes water vapor from natural gas: gas contacts dry triethylene glycol in an absorber, then the wet glycol is boiled in a reboiler and still to drive off water and is regenerated for reuse.
587 parts · 9 BOM lines
Three-Phase Production Separator
Pressure vessel that splits well fluids into oil, gas and water.
76 parts · 8 BOM lines
Truck Loading Rack
Gantry and metering skid that loads fuel into tanker trucks.
264 parts · 9 BOM lines
Vacuum Distillation Column
Tower that separates heavy crude fractions under reduced pressure.
282 parts · 9 BOM lines
Vapor Combustion Unit
Enclosed burner that destroys hydrocarbon vapors from loading and storage.
287 parts · 9 BOM lines
Vapor Recovery Unit
A skid-mounted compressor package that captures low-pressure hydrocarbon vapors from storage tanks and boosts them into the gas sales line instead of venting or flaring.
110 parts · 8 BOM lines
Water Well Drilling Rig
Truck-mounted rig that bores and casts water supply wells.
88 parts · 8 BOM lines
Well Test Separator Skid
Portable separator that measures oil, gas and water rates from a well.
56 parts · 8 BOM lines
Wellhead Christmas Tree
The surface valve stack on a producing oil or gas well that controls and routes flow from the tubing to the flowline.
93 parts · 10 BOM lines
Wellhead Control Panel
A hydraulic-pneumatic cabinet that holds production wellhead valves open and shuts the well in automatically on abnormal pressure, fire, or operator command.
69 parts · 7 BOM lines
Wellhead Sand Separator
Cyclonic vessel that removes produced sand from the wellstream.
52 parts · 8 BOM lines
Wireline Logging Unit
Truck-mounted unit that lowers logging tools on an armored cable to measure formation properties. The cable carries electrical conductors that power downhole tools and return telemetry to a logging cabin. Depth and tension are measured at surface so the recorded curves can be tied to true depth in the well.
189 parts · 9 BOM lines
Shared component references 12
Components ranked by how many of the 85 recorded product BOMs reference the same page, directly or through a sub-assembly. A shared reference does not establish replacement-part compatibility.
- Pressure Sensor in 72 of 85 productsTransduces fluid or gas pressure into an electrical signal.
- Fastener Set in 70 of 85 productsBolts, nuts, and washers.
- Wire Bundle in 62 of 85 productsGroup of insulated conductors cut to length, terminated, and bound together to carry power and signals between the assemblies of a machine.
- O-Ring Set in 58 of 85 productsSet of elastomer rings seated in grooves to seal static or slow-moving joints against fluid and gas, sized to ISO 3601.
- Microcontroller in 53 of 85 productsSingle-chip microcontroller combining a processor core, flash memory, RAM, and peripherals such as timers, ADCs, and serial ports to run the device's control firmware.
- Bare PCB in 52 of 85 productsUnpopulated printed circuit board: copper traces etched on an FR-4 glass-epoxy laminate that carry current between the components later soldered to it.
- Connector in 51 of 85 productsMating plug-and-socket pair that joins two lengths of wiring or a cable to a board so a circuit can be assembled, serviced, and separated without soldering.
- Relay in 50 of 85 productsElectromechanical switch in which a small coil current closes or opens contacts rated for a much larger load, isolating control circuits from what they switch.
- Ball Bearing in 42 of 85 productsDeep-groove radial ball bearing.
- Power Supply in 39 of 85 productsUnit that converts mains or battery input into the regulated DC voltages a machine's electronics and actuators need.
- Copper Winding in 30 of 85 productsInsulated copper conductor wound into coils that carry the phase current and create the magnetic field in a motor, generator, or transformer.
- Neodymium Magnet in 29 of 85 productsSintered neodymium-iron-boron permanent magnet, the strongest commercial magnet type, used for motor rotors, sensors, latches, and speakers.