A new multipoint gas detection system consists of an 8, 16, or 32-point gas-stream selector offering parallel purging of all unsettled lines for rapid response together with a dead volume of only 7.4 ml. The system gives full control over sample sequencing, alarms, and data logging. On-board programming allows up to four analyzers to be selected with two alarm levels for each analyzer on each zone, air pump flow monitoring, and general system monitoring.
Data logging facilities are also included in the system package in the form of an RS232 printer port for connection to a Centronics printer and a 3.5 in. floppy disk drive that data-logs in comma-separated variable format, time-stamped for direct import to a spread sheet.
Source: Environmental Technology Research Ltd., The Barn, Baynards Green Farm, Baynards Green, Nr Bicester, Oxfordshire OX6 9SG, UK.
Pipe stress analysis software has subsea capability
Caesar II pipe stress analysis software now has subsea capability.
This addition to the software helps suit it for any company involved with subsea piping. Caesar II can take into account the effect of waves and currents on the pipe in its analysis and so help to create better designs, the company points out.
Source: Fern Computer Consultancy Ltd., Fern Court, Derby Rd., Denby, Ripley, Derbyshire DE5 8LG, UK.
Control system for ultradeep water
The EXpress System is an electrohydraulical control system designed to provide emergency shut-in and disconnection of landing strings utilized during subsea completion or well testing operations. Utilizing field-proved components and providing a full emergency response sequence within 15 sec, the system helps eliminate concerns about reliability and speed of shut-down in deepwater well intervention operations.
The system is deployed in conjunction with a subsea test free assembly and is suited for operations from a dynamically positioned vessel. In the event of an emergency during well intervention or testing operations, surface activation causes valves within the test tree to close and provide the primary well control barriers prior to release of the landing string.
Fully adaptable to 3, 5, or 7 in. landing strings, the system provides multifunctionality through hydraulic control to a number of components including the subsea test tree, retainer valve, emergency disconnection latch, and downhole tools. It can also be configured to provide a fully integrated control system incorporating operation of the tubing hanger running tool functions.
Source: Expro North Sea Ltd., Kirkhill Pl., Kirkhill Industrial Estate, Dyce, Aberdeen AB21 OGU, Scotland.
Safety relief valve
A new pilot operated safety relief valve is a seminozzle, soft seat type.
The 7800 Series product line has been designed to meet the current API 526 standard and is specifically aimed at natural gas operations. It has also gained American Society of Mechanical Engineers approval, the firm notes.
Source: Weir Group PLC, 149 Newlands Rd., Cathcart, Glasgow G44 4EX, Scotland.
New ball valves
These new ball valves offer NACE trim and fire-safe certification as standard features in a broad line of API 6D trunnion-mounted styles.
Valves are suited for service in a range of uses. Size ranges are 2-72 in. with rated pressures of ANSI 150-2,500 lb. Side and top-entry versions are available as well as custom designs.
The valves are certified for ISO 9001 and API-Q. Quality and performance tests are routinely conducted on each valve, including any other tests that may be specified by the customer.
Source: PCC Ball Valves SRL, Two Chasewood, Suite 550, 20405. Tomball Parkway, Houston, TX 77070.
Free gate valve catalog
A new catalog, yours free for the request, spotlights a line of ceramic and stainless steel gate valves.
Information discusses OS and Y and HP designs in 150-1,500 lb classes. The catalog includes illustrated parts and a material selection guide. Performance data, flow characteristics, and standards information are also covered.
Source: Mohawk Valve Co., Customer Service, 5786 Ferguson Rd., Bartless, TN 38134
