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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

Memorial reaches deal with lenders

Agreement allows US independent to move forward on bankruptcy proceedings

Petrobras delays Libra FPSO tender - again

Brazilian state-controlled player postpones the date to receive bids by two weeks

Gullfaks South leak 'due to umbilicals'

Statoil identifies cause of incident as it eyes reactivation of sidelined gas compression system at field off Norway in Q3

Saudis eye huge renewables project start

Kingdom set to launch project in coming weeks, with investment seen up to $50 billion

Debt breather for Farstad

Struggling Norwegian vessel owner faces bond loan default after collapse of Siem rescue effort

Norway rig owners 'to axe units'

'Five rigs in sights for scrapping' by FOE and Songa as work runs out for veterans: source

UK-listed player shifts strategy

London-quoted company to purchase offshore subsea service vessels as it seeks to focus on a different sector

Robust ROV

Saipem has completed sea trials of its new heavy work class ROV.

Oil prices slip on doubts over output cuts

Slight fall on fears key producers will not restrict production as planned

DOF lands Petrobras job

Oslo-listed marine services player bags work for Skandi Vitoria PLSV

LNG use surging while idled spending may trigger next spike

Liquefied natural gas prices falling to the lowest in a decade last year spurred fresh demand while suppressing investment in new production, potentially leading to shortages and price spikes next...

Lloyds Energy files LNG export application with DOE

Lloyds Energy Group announced that it has submitted a formal application with the Department of Energy (DOE) to export LNG to countries which have a Free Trade Agreement (FTA) with the U.S. from it...

Orbital Gas Systems awarded multiple gas measurement contracts in UK

Orbital Gas Systems has been awarded contracts for integration natural gas analysis and metering infrastructure totaling $1.75 million, by a client operating several large-scale manufacturing plant...

Egyptian gas market sees seasonal surplus, says Wood Mac

Egypt's gas market is poised to undergo profound changes in the next five years, and these could have an impact on the global LNG market, seeing Egypt position itself as a prominent seasonal pl...

Saudi plans for early end to OPEC pact risk leaving job undone

Saudi Arabia says OPEC is on track to wrap up its production curbs by the middle of the year. That would leave its aim of clearing a global oil glut unfinished.

DOF wins Petrobras contract for Skandi Vitoria

Petrobras has awarded the Brazilian built PLSV Skandi Vitoria a contract of 532 days. The contract will commence in January.

ConocoPhillips reports major discovery in Alaska

ConocoPhillips Alaska has made a new oil discovery in the Greater Mooses Tooth (GMT) Unit located in the northeastern portion of the National Petroleum Reserve–Alaska (NPRA).

Bone-chilling winter from Berlin to Davos causes energy scramble

From the rivers criss-crossing eastern Europe to the Mediterranean ports of Greece and France, everyone is hunting for energy supplies.

Saudis see no need to extend OPEC deal beyond six months

OPEC probably won’t need to extend a deal it reached with other crude producers to cut output, given the level of their compliance with the reductions and the outlook for an increase in global de...

As OPEC acts on New Year’s resolution, U.S. shale pumps away

U.S. shale is getting in the way of a New Year’s resolution by OPEC to cut production and boost the market.

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