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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

Callon to buy certain Permian basin assets from Cimarex for $570 million

Callon Petroleum, Natchez, Miss., will acquire from Cimarex Energy Co., Denver, certain oil and gas properties principally in Ward County, Tex., for $570 million cash.
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A unified Europe is essential to its energy security, forum told

European governments must resist letting controversial proposed projects such as the Nord Stream 2 natural gas pipeline keep them from developing a unified strategy to prevent Russian energy interv...

New Vietnamese refinery produces first diesel

Nghi Son Refinery &amp; Petrochemical LLC is now producing diesel from its 200,000-b/d refinery and petrochemical complex in Thanh Hoa Province in Vietnam.&nbsp;
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Shell makes sixth discovery in Norphlet deepwater play

Shell Offshore Inc. reported its sixth oil discovery in the Norphlet geologic play in the deepwater US Gulf of Mexico. Drilled to a total vertical depth of 29,000 ft, the Dover well encountered 800...

OGA reports awards for 30th offshore licensing round

The UK Oil &amp; Gas Authority (OGA) has offered for award 123 licenses over 229 blocks or partial blocks to 61 companies in the 30th Offshore Licensing Round. The round was launched on July 25...

Most of RAK on offer in licensing round

Bids are due in November in an oil and gas licensing round covering most of Ras Al Khaimah, the northernmost member of the United Arab Emirates. The government opened data rooms in the emirate and...

US Senate Democrats ask Trump to act on rising gasoline prices

Four US Senate Democrats, including Ranking Minority Member Charles E. Schumer (NY) and Energy and Natural Resources Committee Ranking Minority Member Maria E. Cantwell (Wash.), have asked Presiden...

Thailand’s IRPC lets contract for grassroots MARS complex

IRPC PLC has let a contract to Honeywell UOP LLC to provide a suite of advanced process technologies for IRPC’s maximum aromatics (MARS) project, a naphtha-reforming and aromatics complex to be b...

MARKET WATCH: Brent crude price nears $80/bbl again

Brent crude oil prices gained modestly during the May 23 trading session in London to approach $80/bbl. Traders and analysts awaited news from a meeting of oil ministers in Russia that includes som...

UK gas problems need more steps in the right direction

To call something a step in the right direction is to spray cheery paint on disappointment. Ineos musters no more applause than that for the UK government’s new measures to promote development of...

Oil extends slide as Russia talks of easing OPEC supply curbs

Oil prices slid for a third day in New York after Russia signaled that phasing out historic supply curbs that eliminated a worldwide glut may be on the table.

Peru repeals Tullow Oil laws signed as Kuczynski quit presidency

Peru’s President Martin Vizcarra repealed decrees permitting London-based Tullow Oil Plc to begin exploration at five offshore oil blocks, in a move criticized by the industry as creating uncerta...

Democrats urge Trump to "stand up to OPEC" amid rising oil price

Senate Democrats are urging President Donald Trump to rein in OPEC with pump prices at a three-year high, and even send his energy secretary to the cartel’s June meeting to reinforce the message.

China's CNOOC sees likely start of Uganda oil field in 2021

CNOOC Ltd., the Chinese oil company developing Uganda’s crude finds with Total SA and Tullow Oil Plc, said production at its Kingfisher field will probably start in 2021.

Shell reports large deepwater discovery in U.S. Gulf of Mexico

Shell Offshore, Inc. has announced a large deepwater discovery in the Norphlet geologic play in the U.S. Gulf of Mexico with its Dover well (100% Shell).

Zennor Petroleum offered five blocks in 30th UKCS license round

Zennor Petroleum Limited has announced that its wholly-owned subsidiaries, Zennor Pathway Limited and Zennor North Sea Limited, have been successful in the UK’s 30th offshore license round. Zenno...

United Oil and Gas awarded two blocks in the UK North Sea, including Crown Oil discovery

United Oil and Gas Plc, the London Stock Exchange listed oil and gas exploration and development company, is pleased to announce that it has been provisionally awarded, in the UK Continental Shelf...

Faroe Petroleum awarded Edinburgh prospect in 30th UKCS license round

Faroe Petroleum, the independent oil and gas company focusing principally on exploration, appraisal and production opportunities in Norway and the UK, is pleased to announce that it has been awarde...

Azinor Catalyst awarded two licenses in UK government’s 30th offshore licensing round

Azinor Catalyst Limited, the Seacrest Capital Group-backed EandP Company focused on the UK Continental Shelf, has announced that it has been awarded two licenses in the UK government’s 30th offsh...

Saudi's $80 oil goal eating into Modi's budget before polls

India’s Prime Minister Narendra Modi has an oil problem. And it’s set to worsen with Saudi Arabia rooting for the commodity to push through the $80 barrier.

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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