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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 fill ..

Industry headlines

Petronas invites help on CO2 fields

Malaysian national oil company looking for the keys to unlock high CO2 gas fields off Sarawak

New sand added to Ande Ande Lumut

Plan of development change means stage two commercial tenders and FID to be delayed

Guyana wants to bring Liza gas to shore

Minister says government looking to bring a pipeline from giant offshore field to potential users on land

TechnipFMC wins EPC for Zakum sulfate plant

Facility will be used to treat water to be injected back into giant Abu Dhabi reservoir

BP bags $1.7bn in China downstream sale

UK supermajor sells SECCO Petrochemical Company stake to Sinopec affiliate 

CNOOC Ltd sees production drop

Top Chinese offshore explorer cites mature-field decline for output drop, adds discoveries in Q1

Halliburton in US Gulf subsea tie-up

Services giant teams up with Trendsetter and C-Innovation to offer well intervention packages

Southwestern touts Moorefield Shale

US independent sees promise in emerging shale underlying Fayetteville assets

Crescent Point posts surprise profit

Market had anticipated first-quarter loss of 8 Canadian cents per share

Pemex advances next deep-water farm-out

Move follows successful farm-out last year of Trion find to conglomerate BHP Billiton

Drillers warned: 'Be careful what you wish for' with Trump's tax plan

While President Donald Trump’s plan to cut corporate income taxes could save oil and natural gas explorers $13 billion a year, it jeopardizes tax breaks that may mean even more to U.S. shale dril...

Oil slides to one-month low as Libya restarts Sharara field

Oil declined to a one-month low as Libya reopened its biggest field and as the market weighs increases in U.S. product inventories and crude output.

China's oil giants buoyed by higher prices as output stagnates

Oil’s recovery is helping ease the pain of shrinking output by China’s biggest energy producers.

Saudi Aramco CEO says 'peak oil' demand is a misleading theory

The boss of Saudi Arabia’s state oil company defended petroleum as the mainstay of the global economy, countering theories that demand will peak within years with his own forecast that consumptio...

XACT Downhole Telemetry helps operator transmit real-time downhole data from 31,000 ft

XACT Downhole Telemetry, in conjunction with a major operator in the Gulf of Mexico, recently completed a multi-run completion deployment with real-time data coverage from a record-breaking depth o...

Anadarko to shut down more than 3,000 Colorado wells after nearby home explosion

Anadarko Petroleum Corp. dropped the most since August after the oil and natural gas explorer said it will shut more than 3,000 Colorado wells as part of an investigation into a deadly house explos...

Libya's biggest oil field said to reopen

Libya’s biggest oil field, Sharara, reopened as crude began to move through a pipeline connected to the Zawiya refinery, according to a person with direct knowledge of the matter.

Total to invest $500 million to produce shale gas in Argentina

Total SA will spend $500 million over three to four years to develop a shale-gas field in Argentina as the country’s government lures investors by pledging a minimum price.

World's top two shipyards signal more orders as earnings improve

The world’s two biggest shipbuilders reported profit and issued an improved outlook, indicating South Korea’s shipyards may finally be emerging from two years of restructuring.

Dresser-Rand to supply compressor trains for BP project in the Gulf of Mexico

The Dresser-Rand business, part of Siemens Power and Gas Division, received an order from BP to provide rotating equipment for the Mad Dog 2 project in the deepwater Gulf of Mexico.

Featured of the month

Company ...

FMC Technologies, Incorporated

U.S.-based oil and gas equipment and services technology company. FMC Technologies was incorporated in 2000 when FMC Corporation divested its machinery businesses. FMC has its headquarters in northern Houston, Texas.

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Technology ...

Halliburton's DeepReach™ Coiled Tubing Servic

Halliburton's DeepReach™ Coiled Tubing Servic uses multiple outer diameter coiled tubing sections in a single string with larger OD sections near the top of the string and smaller OD sections near the bottom.

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Article ...

Three phase separator

Produced well fluids typically contain a varied amount of oil, produced water, natural gas and sediment. The first step in processing these fluids is to split them up into individual components.

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Contributor ...

Marc Archibald

Scale Specialist at Clariant Oil Services, Chemist 1 at Nalco Champion, Senior Development Chemist at Clariant Oil Services

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