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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

Oil rises on healthy demand

Threat of US potentially reimposing sanctions on Iran also supports prices

Mereenie upgrade contracts awarded

Operator Central Petroleum hands out work to boost capacity of Northern Territory gas plant

Block SK 316 divestment delayed

Asset hosts giant Kasawari gas field

Strata-X secures Botswana acreage

Company adds 1646 square kilometres to its existing coalbed methane project in Africa

Range in Shell contract win

Trinidad-focused company to provide rig for workover operations at onshore well

Players snap up Utah leases

Sale includes acreage near former boundaries of Bears Ears National Monument

Bidding rebounds for US Gulf sale

Count of bids up from last August in second lease sale to include both central and western Gulf areas

Arrow gets nod for Bakken gas plant

Privately held company proposes building $136m NGL facility near Watford City

Dio appointed BP America president

Current president John Minge to retire this month to head carbon capture study

Oil rises to March high on geopolitical concerns

Tensions in Middle East and possibility of further economic woe in Venezuela send crude up

Oil hits three-week high as glut shrinks faster than expected

Crude advanced to a three-week high as the OPEC-led alliance of major oil producers accelerated the timeline for curbing a worldwide supply glut.

Vitol chairman seeking joint ventures with Middle East producers

Ian Taylor, the legendary oil trader who stepped down as CEO of Vitol Group this month to become chairman, is seeking joint ventures and long-term structured deals with some of the Middle East’s...

India seen raising natural gas price to highest in two years

India is poised to lift its domestic natural gas price to the highest in at least two years, boosting earnings of producers like Oil and Natural Gas Corp., according to a survey of analysts and ind...

Abrado performs single spacer direct displacement for GOM operator

Abrado announced today that it has completed its first true single spacer direct displacement for a major shelf operator in the Gulf of Mexico using its VeriClean 200X chemical system.

Ex-Occidental chief in $2.66-billion deal for EnerVest shale

Steve Chazen, who made Occidental Petroleum Corp. a heavyweight of the shale boom, is looking to replicate that success in south Texas with a $2.66-billion deal.

Faroe's hunt for oil deals could see it double in size

Faroe Petroleum Plc is hunting for offshore oil and gas assets in Norway and the UK, with an appetite that could equal the current size of the company itself -- about $550 million.

Add Energy, PT Synergy Engineering secure maintenance build contract for Tangguh LNG expansion

Add Energy, the international energy consultancy provider, in partnership with their Indonesia partner, PT Synergy Engineering, have been awarded a maintenance build contract for work on Tangguh LN...

CNOOC announces start of production at Weizhou 6-13 field, in the South China Sea

CNOOC Limited has announced that Weizhou 6-13 field has commenced production ahead of schedule.

AISUS wins first contract in the Middle East

AISUS, an offshore inspection company, has announced its first major contract win in the Middle East with North Oil Company (NOC). The six-figure agreement marks a significant milestone for the fir...

Hurricane Energy reports delivery of key subsea components for Lancaster EPS

Hurricane Energy plc, the UK based oil and gas company focused on hydrocarbon resources in naturally fractured basement reservoirs, has provided an operational update in relation to the Early Produ...

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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