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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

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Wood Mackenzie reports results of GOM lease sale

The U.S. Gulf of Mexico region wide Lease Sale 249 was held today, Aug. 16, 2017. It attracted 99 bids from 27 participating companies, with high bids totaling $121 million.

ESAI Energy outlook sees global product demand growth decelerating by 2022

In its recent five-year outlook on petroleum products, ESAI Energy projects global product demand growth to decelerate significantly by 2022. In its outlook, ESAI Energy highlights the effects of a...

Hunting announces appointment of new CEO

Hunting is pleased to announce the promotion of Arthur James (Jim) Johnson as CEO with effect from Sept. 1, 2017. Jim will succeed Dennis Proctor, who will retire as CEO and as a director of Huntin...

Trump's push for natural gas exports opposed by manufacturers

President Donald Trump’s effort to boost U.S. energy is facing push back from manufacturers who say exporting more natural gas may undercut his “America First” jobs focus.

COSCO Shipping transports Shell's Appomattox hull

COSCO Shipping Specialized Carriers successfully loaded Shell's 40,335-mt Appomattox hull on board the M/V Xin Guang Hua nearby Geoje Island, South Korea, on Aug. 6, 2017.

Greka Drilling awarded two new contracts from PetroChina CNPC

Greka Drilling Limited, the largest independent and specialized unconventional oil and gas driller in Asia, has announced that it has been awarded two new drilling contracts with PetroChina Huabei...

Whatever happened to Indonesia's mighty oil and gas industry?

Once a cornerstone of the economy, Indonesia’s oil and gas sector is in a slump, even as the country’s appetite for energy soars.

Rockcliff Energy acquires additional Haynesville shale rights

Rockcliff Energy has announced that, in addition to its pending acquisition of Samson's East Texas and North Louisiana properties, it has acquired approximately 60,000 net acres of Haynesville...

Shale will beat OPEC as U.S. oil thrives at $40, Citigroup says

U.S. shale oil will prevail over OPEC as the two rivals compete in an oversupplied world market, Citigroup Inc.’s head of research said.

Ecuador says it will cap output at higher level in deal with OPEC

A month after dealing a blow to OPEC, Ecuador says it will cap output at a more comfortable level than it had initially pledged.

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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