Oil Spill Recovery Equipment: A Thai Specifier's Guide
Choosing boom, skimmer and storage for four very different Thai operating environments, and the failure you buy when the choice is wrong. For the engineer sizing a Tier 1 kit or drafting a tender.
Equipment Credit
The containment barriers, sweep systems, skimmers, storage tanks and sorbents named on this page are designed and manufactured by Markleen Management, S.L. of San Mateo de Gállego, Zaragoza, Spain: markleen.com
Product names, design characteristics, published specifications and the product photography used here and elsewhere on this site originate with Markleen and remain Markleen’s, as do the ASTM classifications and the MS 30 and Ecosorb figures.
SATU Innovative Co., Ltd. is a Markleen Authorized Distributor in Thailand. SATU specifies, supplies, commissions, trains on and maintains this equipment here. The engineering judgement and Thailand-specific guidance on this page are SATU’s own.
Four Environments, Not One Checklist
Most spill equipment enquiries arrive as a product name. They should arrive as a place. The same barrel of crude behaves in four ways offshore, in the surf below a beach, alongside a working berth, and in a plant’s oily water separator. Each entry gives the governing conditions, the equipment class that answers them, and the failure you buy if you choose wrong. One rule cuts across all four: specify for the worst water state your site sees, not its average, because a monsoon week can push a site into the next water body class.
Environment 01 – Offshore
Open Water: The Gulf and the Andaman
Conditions. Wave height governs everything. Under ASTM F625, the classification Markleen uses to label each boom’s operating environment, open water means waves to two metres and rough open water anything beyond. Add long fetch and a window closing as the slick emulsifies.
What answers it. Cylindrical-float barrier with real internal volume. ASTM F1523 asks an open-water boom for 900 to 2,300 mm or more of overall height, seven-to-one reserve buoyancy to weight, and 45,000 N tensile strength, against 23,000 N in protected water. The Markleen Seamaster is a self-inflatable type on EVATEX fabric: it expands as it pays off the hydraulic reel, with no compressor to start and no valves to open by hand, so one person can start a deployment. For containment and recovery in one pass, the Markleen MOS Sweeper tows several barriers in formation behind one vessel. The MS 30 skimmer takes brush, disc or drum cartridges, covering thin fuels to weathered crude.
Failure mode. Under-specification, invisible at acceptance. A flat foam-float barrier carries little volume and little buoyancy; it rolls under wind and current, cannot lift with a passing wave, and the oil goes over the top. On a calm test day it looks fine.
Best for: Offshore terminals · Exposed anchorages · Single-vessel recovery
Environment 02 – Shoreline
Coast and Beach: Working Against the Tide
Conditions. Two environments at once, water column and shore. Tidal range decides whether oil strands and refloats twice a day. Substrate decides recoverability: sand buries oil, rock holds it, mangrove makes mechanical recovery close to impossible.
What answers it. Medium barrier seaward of the break, plus a beach sealing boom such as the Markleen S Series, made to sit in the intertidal band and seal against the beach profile rather than float free. Recovery moves to MS 20 or MS 30 skimmers. Markleen’s Ecosorb sorbents, made from biodegradable vegetable fibre, with standard sections of 6 m and 12.5 m, handle the polish once free oil is gone. Decanting matters as much as skimming: EasyTank bladders move product from the scene, AutoTank holds it ashore.
Failure mode. Containment offshore with nothing sealing the tide line. Oil passes beneath on the flood, strands, works into the sand, and turns a recovery job into an excavation job. A close second: no decant plan, so the skimmer stops at the first full tank.
Best for: Andaman and Gulf shore frontage · Tourism coastline
Ports and Jetties: Traffic Is the Real Constraint
Conditions. The water is easy, the operation is not. Berths sit in the calm and protected classes, to 0.3 metres and to one metre of wave height, so boom loading is modest. Everything else is difficult: propeller wash from passing traffic, quay walls needing tide compensators, and a requirement that the berth keeps working while you respond.
What answers it. Pre-rigged, permanently moored containment at the berths that carry product, using barrier built for that duty, such as the reel-handled Markleen P Series with rigid external floatation. Recovery scales down to MS 10 and MS 20 skimmers, worked from a quay or a small boat. Skirted sorbent booms hold and absorb at once.
Failure mode. Equipment in a central store hours from the water, so containment arrives after the slick reached the next berth.
Best for: Permanently boomed berths · Marinas · Water intakes
Environment 04 – Onsite
Inside the Fence: Industrial Premises and Process Water
Conditions. No waves, a steady trickle. Separators, bunded tank farms, wash-down bays and transformer pits produce small routine losses that look trivial one at a time and add up to a significant annual loss. Area classification often rules out electrically driven kit, and Thai heat and humidity shorten the life of sorbent stock in an open store.
What answers it. For a tank or separator carrying a persistent oil layer, a small pneumatically driven skimmer such as the Markleen MS 10 keeps the surface clean without introducing an ignition source. Elsewhere it is industrial sorbents in the right form for the surface, plus short barrier lengths to hold a spill inside a bund.
Failure mode. Filing this under housekeeping. Oil leaving site through a storm drain is an environmental release, judged by where it ended up rather than how little there was.
Best for: Separators and process water · Tank farms · Bund containment
Specification
Turning This Into Tender Language
A specification that names a product model locks you to one supplier and tells the evaluator nothing. One that names duty conditions does the opposite, and the ASTM thresholds above are the cheapest way to stop non-comparable offers reaching the desk. Write five things into the schedule:
- the water body class the barrier must hold, from calm through protected to open;
- minimum height, reserve buoyancy ratio and tensile strength for that class;
- freeboard between a third and a half of overall height: too high catches wind, too low is overtopped;
- skimmer cartridge options, so one unit covers the viscosity spread your site produces;
- total temporary storage, in cubic metres and in units, because a skimmer with nowhere to pump stops.
Then ask for management system certification: Markleen holds ISO 9001, ISO 14001 and ISO 45001, verifiable without technical argument.
Beyond The Hardware
What Happens After the Purchase Order
An order for barrier and a skimmer is not a response capability, and what turns one into the other is not on a datasheet.
- Spares written into the order. Lead time from a European factory is not a response plan. Spares count as much as headline items: connectors, repair materials, cartridges.
- Crews who have handled it before the alarm. Hands-on training in Thai at the client’s own berth: towing in J and U configurations against current; deflection booming; tide compensators at a dock face; cartridge changes when viscosity shifts.
- Kit that passes the audit. UV, heat, salt and humidity age fabric and connectors faster here than in a temperate store. SATU runs scheduled servicing, including air retention checks, seam and connector inspection and pump overhaul, leaving a dated record per serial number.
- Support while it is running. SATU advises the operator’s own responders on configuration for the sea state on the day, and resupplies consumables. SATU supplies, trains and maintains; it is not a clean-up contractor.
Regulatory Context
Where This Sits in Thai Compliance
MARPOL Annex I governs discharge from ships; the IMO OPRC convention shapes preparedness and the tiered model most Thai contingency plans are built around. Thailand’s National Oil Spill Contingency Plan sets coordination, with the Marine Department leading marine incidents, while the Hazardous Substance Act regime reaches oil handled ashore, recovered oil and contaminated sorbent included. That is why water carry-over is commercial as well as technical: every litre of seawater lifted is a litre you pay to treat.
None of these tells you which barrier to buy. They fix the standard it is judged against afterwards. A facility should be able to produce, on request: an inventory mapping every item to the plan clause it satisfies; evidence for the water body class it claims; service records for reels, pumps and skimmers; deployment records with times, photographs and named personnel; a waste chain of custody file. Chemical treatment should not be assumed: whether a dispersant may be applied in Thai waters is the responsible authority’s decision, taken on the day.
Next Step
Ask SATU for a Site-Matched Equipment List
Send SATU your site conditions: wave and current data, tidal range, berth layout and the products you handle. SATU returns a matched equipment schedule, with model references, quantities and storage set out to drop into a tender.
Frequently Asked Questions
A Tier 1 response typically includes oil containment booms, a skimmer, temporary storage, absorbent materials, PPE and a deployment vessel. SATU can supply a complete Tier 1 kit.
Disc skimmers suit refined fuels and thin oils; brush skimmers handle heavy crude and weathered oil; weir skimmers are best for calm water with thick slicks.
It depends on whether the item is already in Thailand or built to order. Ask SATU to mark up your Tier 1 list showing what can be sourced locally and what carries a manufacturing lead time — a distinction worth settling while the plan is written, not during an incident.
Drill equipment is used differently from operational stock: it is deployed, recovered and re-packed repeatedly, so connector wear, reel handling and drying time matter more than peak recovery rate. Tell SATU the exercise scenario and the equipment list can be matched to it.
SATU arranges OPRC OSR Level 2 and Level 3 training in Thailand, delivered at the client’s site by accredited instructors. Level 2 covers the On-Scene Commander role; Level 3 covers the Oil Spill Management Team.