If you’re involved in oilfield operations, you know that equipment placement isn’t just about fitting gear into available space—it’s about safety, efficiency, and equipment longevity. Over 12 years as an oilfield equipment supplier, I’ve worked with drilling operators, well service crews, and pipeline maintenance teams across onshore and offshore sites, and one of the most common questions I get from clients isn’t “what equipment do you have?” it’s “where do I actually put this stuff?” Too many new operators cut corners on installation locations, only to deal with unnecessary downtime, regulatory fines, or even safety hazards down the line. Today, I’m breaking down the standard, industry-vetted installation spots for the most common types of oilfield equipment, straight from the field. Oilfield Equipment
First, let’s start with the big ones: drilling rig equipment, which forms the backbone of any onshore or offshore drilling operation. You can’t just plop a drill floor wherever there’s open ground—location depends entirely on the drilling method and site layout. For onshore land rigs, the drill floor itself sits at the center of the drilling pad, usually positioned far enough from public roads, residential zones, and water sources to meet environmental and safety regulations. OSHA and API (American Petroleum Institute) guidelines require a minimum 500-foot setback from non-operating areas, so the drill floor isn’t right at the edge of the pad. Adjacent to the drill floor, you’ll find the draw works (the hoisting system that lifts and lowers the drill string)—that’s mounted on the same steel substructure as the drill floor, aligned perfectly to keep the drill string straight and avoid unnecessary torque on the bit. For offshore rigs, the drill floor and draw works are integrated into the rig’s superstructure, typically located in the derrick’s lower section, 10 to 15 meters above the main deck to keep critical operations above the waterline and away from potential flooding.
Next up: well completion and production equipment, which is what you use after a well is drilled to extract oil and gas. The two biggest pieces here are wellheads and Christmas trees, and their placement is non-negotiable. Wellheads—those massive, pressure-resistant units that seal the top of the wellbore—are installed directly at the surface where the wellbore meets the ground (for onshore) or the platform deck (for offshore). They have to be centered over the wellbore to ensure proper pressure containment, and set at a height that’s easy for crews to access without excessive climbing. For production Christmas trees— the valve assembly that controls flow from the well—those are mounted directly on top of the wellhead, right adjacent to the well. Onshore, Christmas trees are usually placed on a compact concrete pad right next to the wellhead, separate from storage tanks and processing units to contain any leaks. Offshore, they’re installed on the platform’s production deck, close to well manifolds that route flow to processing systems, to minimize the length of high-pressure pipelines and reduce leak points.
Then there’s pressure control equipment, which is arguably the most critical for safety—think blowout preventers (BOPs), choke manifolds, and kill manifolds. BOPs are mounted at the bottom of the drill string, right above the wellbore, both on land and offshore. For onshore drilling, they sit at the base of the derrick, below the drill floor, so they’re the first line of defense if there’s an unexpected surge of oil or gas from the well. For offshore, BOPs are installed on the seabed, 30 to 100 feet below the water surface, connected to the drill string via a riser pipe—this placement keeps them out of the way of deck operations but close enough to activate quickly in an emergency. Choke and kill manifolds, on the other hand, are portable units, but their installation spot is specific: they’re set up within 100 feet of the BOP stack on a hard-packed concrete or steel pad, near a dedicated power source for emergency activation. I’ve seen operators stick them too far away during a rush job, and that delay led to a 12-hour shutdown when a test surge came through—never again, that’s a rule we hammer into every new client.
Moving to surface processing equipment: separators, heaters, storage tanks, and pumps. These are what you use to separate oil, gas, and water from the wellstream, and their placement is all about function and safety. Onshore, two-phase and three-phase separators are installed on the processing pad, usually 200 to 300 feet from wellheads and Christmas trees, to prevent any leaked gas from reaching the well’s ignition sources. They have to be level, of course, to ensure proper separation of fluids—we always mark installation spots with level stakes so crews don’t have to adjust later. Heater treaters, which warm oil to remove impurities, are placed adjacent to separators, connected via insulated pipelines to keep the wellstream warm during processing. Storage tanks—both oil and produced water tanks—are positioned downhill from processing units, so any fluid leaks flow toward containment dikes instead of spreading across the pad. The dikes themselves are non-negotiable: tanks inside a dike that holds 110% of the largest tank’s volume, to contain spills. Offshore, these processing units are installed on the lower decks of the platform, to keep heavy, heat-generating equipment away from the control room and accommodation decks, and spaced at least 5 feet apart to prevent fire from spreading between units.
Pumping equipment, including mud pumps (for drilling fluid) and production pumps, deserves a special mention because their placement is often overlooked. Drilling mud pumps (also called slush pumps) are mounted on the drill pad, right next to the mud tanks, which hold the drilling fluid. That’s because mud has to be circulated quickly between the pumps and the drill string—if the pump is too far, the hose or pipeline flexes too much, leading to pressure drops and wear on the equipment. We supply our clients with custom skid-mounted mud pumps pre-aligned for this exact spot, so crews don’t have to spend hours adjusting connections on site. Production pumps, which move extracted oil to storage or pipelines, are installed between the processing separator and the storage tanks, sized to match the flow rate of the separator. On some small onshore wells, they’re even mounted on the same skid as the separator to save space, but only if the manufacturer approves the combined load.
Now, let’s talk about specialized equipment: well service units (fracturing pumps, cementers) and pipeline maintenance gear. Fracturing pumps, used to inject sand and chemicals into shale wells to stimulate production, are mobile, so their installation depends on the well’s location. For multi-well pads, fracturing pumps are parked along the edge of the pad, away from residential areas, and connected to the well via high-pressure hoses that are laid out in straight lines to reduce friction. We always remind clients not to cross hoses over walkways or equipment, because a tripping hazard isn’t just a safety risk—it can damage the hoses and cause a leak. Cementing units, used to seal wellbores after drilling, are similar: they’re positioned within 50 feet of the wellhead, and their mixing tanks are set up to keep the cement slurry at the right consistency for injection. For pipeline equipment, like pig launchers and receivers, those are installed at the start and end of pipeline sections, at pump stations or terminal sites. Pig launchers are placed right before a pump, so the pig can be inserted quickly to clean or inspect the pipeline, and receivers are right after, to catch the pig as it exits. I’ve worked on pipeline projects where a launcher was installed 2 miles away from the pump, and that required extra hoses and pressure fittings—costing the operator an extra $15,000 in materials, so placement matters even for “simple” pipeline gear.
Wait, I should also touch on regulatory and environmental considerations, because that’s a big part of installation location I don’t see enough blogs mention. Most regions require that oilfield equipment is placed to minimize impact on water sources: for onshore sites, separators and tanks have to be at least 100 feet from rivers, lakes, or groundwater wells, to prevent any leaked oil or chemicals from seeping in. For offshore, drilling and processing equipment can’t be placed in sensitive marine habitats, like coral reefs, so operators have to get environmental impact assessments (EIAs) before choosing locations. Also, safety zones: control rooms and accommodation areas have to be at least 300 feet from high-pressure equipment like BOPs and separators, to protect personnel in case of a rupture. We always advise clients to do a site survey with a certified safety officer before placing any equipment, because even the best equipment won’t work if it’s in the wrong spot.
Over the years, I’ve had clients try to cut costs by placing equipment closer together, or skipping the concrete pads for portable units, and more often than not, that ends up costing them more. Last year, a small onshore operator I worked with tried to move their BOP closer to the drill floor to save space, and two weeks later, a pressure surge damaged the BOP’s seal because it wasn’t aligned properly—costing them $80,000 in repairs and a 10-day shutdown. That’s why we don’t just sell equipment to our clients; we walk through installation locations with them, share site-specific guidelines based on their operation, and even provide on-site alignment support if needed. For us at our oilfield equipment supply business, it’s not just about delivering gear—it’s about making sure it’s placed right to keep their operations running smooth and safe.
If you’re planning a new drilling pad, well completion project, or pipeline installation, and you need clarity on where to place your equipment, our team of field experts is ready to help you sort through site requirements, regulatory guidelines, and equipment specifications. We work with operators across onshore, offshore, and unconventional shale sites, and we can provide tailored advice to fit your project’s needs. Reach out to our team to schedule a consultation and go over your installation questions in detail.
Rail Transit Industry References
American Petroleum Institute. (2018). Recommended Practice for Drilling and Well Servicing Operations (API RP 54).
Occupational Safety and Health Administration. (2021). Oil and Gas Well Drilling and Servicing eTool.
International Association of Oil & Gas Producers. (2020). Offshore Installation and Safety Guidelines.
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