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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

Husky sees opportunity for acquisitions

Canadian giant reports smaller quarterly loss thanks to higher prices, production

Paragon still negotiating rig leaseback

High-spec Prospector rigs remain property of SinoEnergy, as talks continue following bankruptcy

Oil dives on Opec output forecast

Higher supply from Saudi Arabia, the UAE and Nigeria expected to drive this month's gains

US drops two rigs

Losses booked in Texas and Oklahoma but Louisiana and California gain rigs

Schlumberger hooks Leviathan contract

Oilfield services giant also notes awards in Russia, Middle East and Vietnam

Encana profit beats estimates

Company also raises core asset production growth forecast to as much as 30%

Greenpeace launches Barents Sea protest

Activist group challenges Statoil operations as oil giant continues exploration with semisub Songa Enabler 

Schlumberger narrows quarterly loss

Oilfield services giant sees revenues boost amid ‘robust’ North America shale activity

UK oil spill clean-up to continue into weekend

Work ongoing to remove tar balls from 15-kilometre stretch of coast near Blackpool after release from Eni facilities

Norway’s PSA seeks meeting with Total over Martin Linge

Safety body wants talks with French operator over safety review

Wavefront issued 15-well stimulations campaign in Kuwait

Wavefront Technology Solutions Inc., a global supplier of fluid injection technology for oil and gas well stimulation and Improved/Enhanced oil (IOR/EOR) recovery has announced that the Company, th...

Schlumberger buy a test of Russia-U.S. ties

U.S. oilfield services giant Schlumberger NV has agreed to buy a 51% in Russian peer Eurasia Drilling Co. (EDC) in a deal likely to test Russia-U.S. ties.

Husky Energy sees potential for acquisitions on smaller second-quarter loss

Canadian oil and gas producer Husky Energy Inc. sees an increased opportunity for asset purchases, but will have a "high bar" for determining whether to buy, company CEO Rob Peabody said...

Subsea 7 awarded contract extensions offshore Brazil

Subsea 7 S.A. has announced the award of contract extensions for three Pipelay Support Vessels (PLSVs) currently on long-term day-rate contracts offshore Brazil.

Maersk Oil completes Culzean jacket installation

The Maersk Oil operated high pressure, high temperature (HPHT) Culzean development in the UK North Sea has reached a key milestone with the safe installation of all three of the project’s jackets...

After biggest gas leak in U.S. history, Aliso Canyon field set to reopen

Almost two years after the biggest gas leak in U.S. history sprung from a Sempra Energy natural gas storage field in Southern California, the state is ready for the complex to reopen.

Exxon to challenge U.S. Treasury's fine for violation of Russia sanctions

Exxon Mobil Corp. says it is legally challenging a $2-million fine assessed against it by the U.S. Treasury Department for “egregious” violations of sanctions against Russia when now-Secretary...

GE takes tumble as earnings favor bottom of forecast

General Electric Co. said it’s trending toward the bottom end of its profit forecast this year as the manufacturer faces ongoing challenges in the oil and gas market.

UAE energy minister hopes global oil markets begin to tighten in second half of 2017

The United Arab Emirates Energy Minister Suhail bin Mohammed al-Mazroui said on Friday he hopes that global supplies will start tightening in the second half of the year when demand picks up.

Encana exceeds profit estimates, expects strong 2018

Canadian oil and gas producer Encana Corp. on Friday posted a quarterly profit that handily beat estimates and the company said it was expecting a strong 2018, even with current commodity prices.

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 ...

Subsea manifold

Subsea manifold is a flow-routing subsea hardware (subsea flow router) that connects between subsea trees and flowlines. It is used to optimize the subsea layout arrangement and reduce the quantity of risers connected to the platform.

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