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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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BSEE lends expertise in Louisiana oil platform fire investigation

An engineer, an inspector and an investigator in New Orleans with the Bureau of Safety and Environmental Enforcement are lending their expertise to the Jefferson Parrish authorities to assist with...

Petrobras contracts FPSO for Sepia field, in the Santos basin

Petrobras informs that on Oct. 13, 2017 it signed a contract with Modec Group to charter a FPSO platform to be used at the Sepia field development project, derived from the Transfer of Rights Agree...

WoodMac: What's behind the boost in Libya's oil production?

Libya's oil production has increased steeply from August 2016’s low point of below 300,000 bpd to around 850,000 bpd at present, passing the 1-MMbpd barrier in July. But Wood Mackenzie believ...

Eldar Sætre to continue as Statoil’s CEO

Statoil’s board of directors and chief executive Eldar Sætre have agreed that Sætre will continue as CEO after he turns 62 in February 2018. Eldar Sætre will thus not use his contractual right...

Rosneft, Saipem sign strategic cooperation agreement

Rosneft and Saipem SpA signed a strategic cooperation agreement at the X Eurasian Economic Forum in Verona.

Gazprom Neft begins production of its own drilling oils

Gazpromneft-Lubricants, operator of the Gazprom Neft lubricants business, has become the first company in Russia to start producing oils for the production of drilling fluids using its own technology.

BP chairman announces retirment, board launches search for successor

BP has announced that Carl-Henric Svanberg has informed the company’s board of directors of his intention to retire as chairman. Svanberg will chair the annual general meeting to be held in May 2...

NOIA asks members to contact officials over "crippling" environmental proposals

Fearing that Canadian federal officials could upset the relatively healthy Newfoundland and Labrador offshore sector, the Newfoundland and Labrador Oil and Gas Industry Association (NOIA) is callin...

Egypt calls for less LNG in tender as domestic gas boost looms

Egypt is paring down its requests for liquefied natural gas.

America's shale gas pioneer seeks buyers, only to find partners

The billionaire evangelist of U.S. natural gas exports is finding himself having some surprising conversations these days.

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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