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Chemical cleaning is a method to derive surfaces and walls of equipment, pipelines, vessels, kettles and heat exchangers of unwanted contaminants. Chemical cleaning also means the purification, conditioning, treatment or disinfection of water.
Iron sulfide, and apparently many of its variations, can be quickly and efficiently created in a gas pipeline from the chemicals naturally available in many systems. Hydrogen sulfide (H2S) easily reacts with the iron in piping to form iron sulfide as in the formula:
H2S + Fe -> FeS + H2
Mercury (Hg) decontamination process consists of two stages – (i) surface decon and (ii) full decon. The surface decon work and equipment setup can either be performed on a work vessel or onboard a platform; while the full decon work and equipment setup has to be done onshore at a well-equipped subcontractor’s warehouse facility.
NORM / LSA decontamination process consist of two stages – (i) surface decon and (ii) full decon. The surface decon work and equipment setup can either be performed on work vessel at or onboard a platform by a licensed subcontractor; while the full decon work and equipment setup has to be done onshore within a well-equipped subcontractor’s warehouse facility. Fortunately for AP region the NORM / LSA readings are super low, hence only surface Decon is necessary.
Mercury Monitoring is a service we provided to our client Rosen, on behalf of Chevron. Chevron required mercury monitoring for a Rosen tool that had been demobilized from offshore. The monitoring was conducted at the Chevron Warehouse in Singhanakorn. This requirement was intended to obtain approval for safe transportation of the equipment from Thailand (Chevron Warehouse) to Malaysia (Rosen HQ). We ensured the mercury reading was zero using the NIC, and prepared a Mercury Monitoring Report as proof.






