Safety is of primary concern in Oil & Gas Industries as many of the of the liquids and gasses extracted and refined are volatile, hazardous and stored under pressure. Overpressure protection of well casings, drilling tools and equipment is essential to provide safe operating conditions for plant personnel as well as preventive maintenance for drilling rigs and equipment. Over-pressurization of oil and gas containment vessels, as well as fluid transfer piping is a potential condition that can result in catastrophic results to the process, the environment, and plant personnel.
Elva and Zook recognizes that upstream applications have a significant degree of complexity. Our engineering experts have solved many customer applications by designing the right solution. In drilling applications, Elva offers rupture disk devices for both pressure activation and pressure relief including:
Transportation
When intermodal tanks are used Zook’s ICP series rupture disks are the ideal solution. For this application, Zook’s TD rupture disk is recommended to protect the tank trailer. Other transportation methods might include barge or rail.
Storage
Rupture disks are another common component found in midstream operations.
Compressor / Pump Stations
Rupture disks are required near the pump to prevent an over-pressure in the event of a blockage in the line. They can also be utilized to drastically reduce fugitive emissions from the compressor/pump.
The final stage in the production process is downstream, where the oil and natural gas are processed and refined into usable products. Elva offers a complete solution for all downstream production processes. In refineries and petrochemical plants, a variety of pressure relief devices are required including:
Pressure Relief Valve Isolation
The primary reasons for applying rupture disks downstream of pressure relief valves are:
Arama tarama firmaları, ham petrol ve doğal gazın aranması, çıkarılması ve yeryüzünden rafineriye taşınması için uluslararası petrol ve gaz endüstrisinin ihtiyaç duyduğu altyapı, ekipman ve hizmetleri sağlar.
Bu alanlarda patlama disklerinin gerekli olduğu yerlere birkaç örnek:
Rupture disks are required in many areas:
Installing a rupture disc upstream of a pressure relief valve (PRV) protects the valve from corrosion and plugging, reduces costs by eliminating the need for expensive special alloys, prevents the effects of variable superimposed back pressure, and stops the valve from leaking or generating fugitive emissions.
In upstream processes, rupture discs are used for overpressure relief on casings, drill strings, downhole equipment, mud pumps, liquid/gas separators, wellhead protection, and drill string testing. For perforating guns and hydraulic fracturing operations, however, a separate product category — pressure activation solutions — is used instead of rupture discs.
CWA discs, custom-manufactured using TIG and laser welding technology with flexible material and pressure ratings, are preferred in oil and gas applications with unique requirements such as drilling, downhole operations, hydraulic fracturing, perforating, and cementing.
In midstream processes, ZOOK ICP series and TD-type rupture discs are used to protect trailers in intermodal tank transportation. Rupture discs are also used at compressor and pump stations to prevent line blockages and reduce fugitive emissions.
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