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Gate valve bonnet failures from thermal expansion of fluids at high temperature - In a steam-assisted gravity drainage application, immediately after start-up, a gate valve bonnet failure caused a release of pressure to atmosphere. In thermal applications throughout the oil and gas industry, there have been incidents of valve failures during start-up. Resulting damage can include stretching studs and loss of pressure integrity between the body and bonnet. The main cause is pressure build-up in the gate valve cavity from thermal expansion of fluids, which was completely full and isolated. Such pressure exceeded the rated working pressure of the valve.

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Industry headlines

Beach posts record output but lower revenue

Capital expenditure and production guidance for the current financial year also revealed

Oil recovers slightly in early trade

Prices regain some ground but the outlook remains weak amid oversupply concerns

Indonesian sale needs more time

Cooper Energy's deal to sell onshore stake is still waiting on regulatory approval

Goh steps down at Vallianz

News comes as chairman's other company Swiber begins to wind up

Wildfires hit Suncor's bottom line

Reduced output drags Canadian oil sands producer into the red

Strike negotiates gas supply deal

Australian junior signs indicative commercial term sheet with Adelaide Brighton

Cancelled rig deals boost driller earnings

Ensco and Noble both see strong quarterly revenues as utilisation, adjusted earnings fall

Barakah gets Sarawak scope

Malaysian company to transport and install riser guards at the SKO field

Swiber files 'wind up' application

Singapore-based contractor also applies to begin provisional liquidation

Murphy Oil swings to profit

US independent gets big boost from tax benefits on discontinued operations

Anadarko looks to $60 oil next year as signal to spend more

Anadarko Petroleum Corp. expects higher oil prices next year will allow it to spend more money on oil and natural gas exploration.

Painted Pony swaps Montney acreage, wells with industry partner

Painted Pony Petroleum has entered into an asset exchange agreement, which includes Montney acreage, wells and non-operated facility interests, with a large industry partner on jointly held acreage...

BSEE forms interagency group focused on subsea bolts

In another step to address a critical safety concern involving the failure of subsea bolts offshore, BSEE Director Brian Salerno is forming an interagency group to focus on the subsea bolt issue an...

UK opens up frontier acreage in new licensing round

The Oil and Gas Authority (OGA) has launched the 29th Offshore Licensing Round with more than 1,200 blocks on offer to support the OGA’s objective of maximizing economic recovery (MER) from the U...

Hess slumps as driller cuts production outlook on Gulf woes

Hess Corp. slid to the lowest in more than three months after the oil and gas producer trimmed its output estimate for the year by as much a 10% following disruptions in two Gulf of Mexico fields.

BLM to analyze proposed production well in NPR-A

The Bureau of Land Management (BLM) has announced a Notice of Intent to conduct an environmental review for a proposed oil and gas production well in the 23 million-acre National Petroleum Reserve...

Statoil suffers surprise loss amid collapse in oil prices

Statoil deepened spending cuts after Norway’s biggest oil producer reported an unexpected loss amid lower crude prices and taxes on unprofitable international operations.

Oil falls from three-month low as supplies at U.S. hub swell

Oil fell from the lowest close in three months as industry data showed crude stockpiles at the biggest U.S. storage hub rose, swelling supplies already at a seasonal record.

Claxton awarded Statoil decommissioning contract for Huldra wells

Claxton, an Acteon company, has been awarded a contract with Statoil to provide ‘rigless recovery’ of seven abandoned wells on the Huldra platform on the Norwegian Continental Shelf.

Technip wins subsea contract for Woodside’s Greater Enfield development

Technip has been awarded a large subsea contract by Woodside to support the development of the Greater Enfield Project offshore Western Australia.

Featured of the month

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FMC Technologies, Incorporated

U.S.-based oil and gas equipment and services technology company. FMC Technologies was incorporated in 2000 when FMC Corporation divested its machinery businesses. FMC has its headquarters in northern Houston, Texas.

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Halliburton's DeepReach™ Coiled Tubing Servic

Halliburton's DeepReach™ Coiled Tubing Servic uses multiple outer diameter coiled tubing sections in a single string with larger OD sections near the top of the string and smaller OD sections near the bottom.

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Three phase separator

Produced well fluids typically contain a varied amount of oil, produced water, natural gas and sediment. The first step in processing these fluids is to split them up into individual components.

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Marc Archibald

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