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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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Job openings

Research Engineers

Houston, TX ExxonMobil
ExxonMobil Upstream Research Company in Spring, Texas is seeking Research Engineers in the field of oil sands mining and processing to evaluate and develop technologies in the field of heavy oil/bitumen extraction and processing. The position requires a Ph.D. degree in Materials Science and Engineer..

Geoscience Manager

Houston, Texas BP
Supervise geoscience contribution to well design including location and target zones, well path and geo-steering requirements Identify and progress material unconventional well programs that test new reservoirs/field extensions/play extensions so that the identified programs reach Execution Readine..

Industry headlines

McDermott builds on high hopes at Altamira

US fabricator's Mexican facility keeps up the pace as it cuts first steel on one project, loads out another

PODCAST: First Steel and Opec Cuts

This week on The Bit we get an expert's opinion on Opec's shock production cut, plus new floater projects in Brazil and a trip to McDermott's yard in Mexico

BP gives 'Deepwater Horizon' thumbs down

UK oil giant calls film an inaccurate depiction of the offshore disaster

Oil posts second straight monthly gain

But prices end the day mixed following profit-taking

Petrobras to launch fresh floater tenders

Brazilian giant intends to add to already forthcoming vessels for Libra and Sepia developments

US oil demand falls

Surging petrol sales unable to overtake weak demand for distillates in July

US oil rig count sees best quarter since 2014

Drillers add back seven oil rigs this week to bring total to highest since February

Blackbird starts Montney midstream build out

Canadian junior takes steps to move to first large-scale production after getting AER approval

Cheniere to acquire holding company

US liquefaction company looks to buy up remaining stake in stock-for-stock deal

Fourchon weighing deeper-draft extension

US Gulf supply base weighing channel deepening, rig repair potential

Operators add seven oil rigs for fifth week of expansion

Operators in the U.S. added seven oil-directed rigs this week, according to the latest data from Baker Hughes.

Cheniere moves to streamline with $1-billion deal for unit

Cheniere Energy Inc. is offering about $1 billion for the 20% of Cheniere Energy Partners LP Holdings LLC it doesn’t already own in a stock swap as it moves to streamline its corporate structure.

Lamprell delivers jackup rig to be deployed offshore Thailand

Lamprell (LAM), a provider of fabrication, engineering and contracting services to the energy industry, has announced the completion of construction of the Shelf Chaopraya jackup drilling rig, and...

Russia questions OPEC breakthrough, keeps budget bet on $40 oil

Russia is sticking with an assumption that oil will average $40/bbl in the next three years and won’t take a bait by revising its budget outlook after a preliminary agreement by OPEC on its first...

Dresser-Rand delivers equipment for Shell Appomattox deepwater project

The Dresser-Rand business, part of Siemens Power and Gas Division, recently delivered power generation equipment for a combined cycle power plant (CCPP) for the Shell Appomattox deepwater oil and g...

Songa Offshore to temporarily cut 430 workers amid strike

Songa Offshore is to temporarily dismiss hundreds of workers amid a Norwegian labor dispute.

Oil majors’ selloff worries Norway’s biggest opposition party

Norway’s Labor Party, the country’s biggest opposition group, is worried about oil majors, such as Exxon Mobil and Total, selling off assets in the North Sea, potentially reducing competition.

Lundin completes Alta appraisal well in Barents Sea

Lundin Norway has completed the drilling and testing of the re-entry of appraisal well 7220/11-3 A (Alta-3) on the eastern flank of the Alta discovery in PL609. The Alta discovery is estimated to c...

Oil sands cost cutting ‘close to bone’ as crude recovery stalls

Canadian oil-sands producers are running out of tricks to buoy their share prices as crude prices keep bumping up against a $50 ceiling.

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

Scale Specialist at Clariant Oil Services, Chemist 1 at Nalco Champion, Senior Development Chemist at Clariant Oil Services

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