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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..

Petroleum Engineer - Unconventional Resources

Saudi Arabia Saudi Aramco
Saudi Aramco, long known for its leadership in oil exploration, production, and refining, is seeking experienced professionals to join the growing Unconventional Resources exploration efforts. We have an immediate requirement for experienced Petroleum Engineer with relevant unconventional expert..

Sr Reservoir Engineer

Houston, Texas Occidental Petroleum
OXY is a growing, action-oriented exploration and production company continually working to be one of industry’s best. Our success has and will continue to be dependent upon our talented workforce. We are currently looking for experienced, motivated, creative and entrepreneurial individuals to fil..

Industry headlines

EPA finds 1.9% lower emissions in latest US GHG inventory

US greenhouse gas emissions reached 6,511.3 million tonnes of carbon dioxide equivalent (CDE) in 2016, about 2.4% higher than in 1990 but 126.8 million tonnes CDE, or 1.9%, less than in 2015, the U...

Norway’s liquids production declined in March

Norway’s preliminary production for March averaged 1.9 million b/d of oil, natural gas liquids, and condensate, marking a decrease of 46,000 b/d compared with February. Norwegian officials blamed...

BP, RIL sanction KG D6 gas development

BP PLC and Reliance Industries Ltd. have sanctioned the second of three integrated deepwater gas developments on Block KG D6 off eastern India.
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Moitra named ONGC director (onshore)

Sanjay Kumar Moitra has been named director (onshore) of state-owned Oil &amp; Natural Gas Corp. of India.&nbsp;
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Frontera confirms more oil, gas for Georgia’s Block 12

Frontera Resources Corp. has confirmed the presence of 78.8 m of combined pay interval in three target zones with the Dino-2 well, the second of a three-well campaign, at the company’s Taribani c...

Lukoil, Uzbekneftegaz start up Kandym gas processing complex

Russia’s privately held PJSC Lukoil and Uzbekistan’s National Holding Co. Uzbekneftegaz have commissioned their jointly owned Kandym gas processing complex in southwestern Uzbekistan’s provin...

MARKET WATCH: NYMEX crude oil closes above $68/bbl

US light, sweet crude oil prices for May and June jumped by nearly $2/bbl on the New York market Apr. 18 to settle above $68/bbl while Brent for June delivery gained about the same in London to set...

NZ’s end to offshore licensing will have only local effects

Worldwide oil supply will suffer nothing because the government of New Zealand, a minor producer, is ending offshore oil and gas licensing.
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Grieve field starts EOR flood

Elk Petroleum Ltd. said enhanced oil recovery flooding has started at Grieve field’s carbon dioxide EOR project near Casper, Wyo. Initially water is being produced, which will be followed by oil...

SPE IOR: Carbon dioxide is key option for carbon utilization

Enhanced oil recovery is the best option for putting carbon dioxide to commercial use, Charles D. McConnell, executive director of Rice University's Energy and Environment Initiative, told the...

A first for Panama Canal: Three LNG tankers crossed in a day

Three LNG tankers sailed through the Panama Canal on the same day, marking a first for the newly expanded waterway and highlighting the booming global gas trade.

Eco gives update on 3D seismic processing in Guyana

Eco Atlantic released an update on the processing and interpretation of recently acquired 2,550 sq km of 3D seismic on the company’s Orinduik Block, offshore Guyana.

Frontera reports commercial hydrocarbon shows at Georgian well

Frontera Resources set casing based on commercial hydrocarbon shows at its Dino-2 well in the Republic of Georgia, eastern Europe.

Oil market faces tense wait as Iran sanctions too close to call

Global markets for equities, currencies and metals have all been whipsawed by the uncertainty over what President Donald Trump’s next geopolitical move would be. Oil’s about to have a turn.

U.S. LNG gets a big cheer in one of Russia's small neighbors

One of Russia’s European neighbors is fully embracing U.S. liquefied natural gas.

Rystad forecasts increased U.S. fracing capabilities by end 2018

Rystad said that pumping horsepower and sand supply are both tight in certain regions of the U.S. However, pumping horsepower and sand supply will see significant additions in the second half of 2018.

Oil extends rally before OPEC meeting after U.S. stockpiles fall

Oil rallied above $69/bbl after a surprise drop in U.S. inventories added to signs the market is in balance before a key OPEC meeting.

FairfieldNodal increases its U.S. land multi-client library

FairfieldNodal has acquired Geokinetic's U.S. multi-client data library nearly triples its North American multi-client library coverage.

Libya oil chief says fuel smuggling costing $750 million a year

Fuel smuggling is costing Libya about $750 million a year, the head of the country’s National Oil Corp. said.

Bullish oil signs show Saudi Arabia's $80 goal within reach

While $80 oil seemed in the clouds just a year ago, it now looks primed for capture.

Featured of the month

Company ...

Baker Hughes

Baker Hughes provides the world's oil & gas industry with products and services for drilling, formation evaluation, completion, production and reservoir consulting. Baker Hughes operates in over 90 countries worldwide mainly based in countries with a mature petroleum industry as is the case with most oil & gas service companies.

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Technology ...

Coiled tubing

Coiled tubing is a continuous string of tubing, rolled onto a spool. It is made from rolling strip material into a tubular form and resistance welding along its length. Coiled-Tubing (CT) continues to grow as an enabling technology that provides cost economy and time efficiency for the oil and gas industry. It has gained wider acceptance in all operations involved in oil and gas exploration.

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Article ...

Flow assurance

Flow assurance is essential to the sustained operability of production facilities. Flow assurance failures often result in production shut-down and costly interventions. What operating environments does flow assurance typically pose a challenge? Almost all, but some are worse than others.

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Contributor ...

Dr. Torben Lund Skovhus

Dr. Torben Lund Skovhus is Researcher and Project Manager at VIA University College in the Centre of Applied Research & Development in Building, Energy & Environment (Horsens, Denmark). Torben is currently chair of NACE TEG286X and ISMOS TSC an organization he co-founded in 2006.

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