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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

Statoil ahead of emissions curve

Major Norwegian operator achieves CO2 target two years early in push for low-carbon production

Total teams up with Chevron in US Gulf

Agreement covers 16 blocks containing seven deep-water prospects in two plays

Polarcus wins survey

Oslo-listed contractor to carry out 3D shoot in Asia-Pacific

Lamprell forecasts weaker revenues

Middle East yard sees tougher 18 months ahead but holding out for pick-up in market conditions

Oil steady ahead of Opec meeting

Prices change little as market waits to see if producer cartel extends output cuts

Strike renegotiates gas deal

Orica International also withdraws claim for return of prepayment for gas made under previous agreement

Jones drops western Anadarko rigs

Meanwhile, US independent ramps up in emerging Merge play of Oklahoma

Hyperdynamics revived at Fatala but Sapetro quits

US player seeks appraisal period following new well data but Nigerian partner gives up on PSC off Guinea

Oil prices slip ahead of key Opec meeting

Crude gives up recent gains before major oil producers are set to get together on Friday

PNG government 'to sell stake in Oil Search'

Port Moresby administration aims at oil player stake sale as it looks to pay off nearly $1 billion in debt

IPAA responds to dismissal of hydraulic fracturing rule case

Independent Petroleum Association of America (IPAA) President and CEO Barry Russell issued a statement in response to a U.S. appeals court's dismissal of a hydraulic fracturing rule case.

ExxonMobil's coastal facilities ramp up to normal operations

ExxonMobil said today that its Baytown and Beaumont refineries have begun producing fuels at reduced rates and that crude oil and refined product pipelines in the Gulf and other regions of Texas ha...

Mohawk Energy to release new domestic distribution system

Mohawk Energy, a developer of expandable tubular technology, has announced the release of its OnePatch system for domestic distribution on the RigUp Oilfield Marketplace.

Oil near $50 as traders gauge OPEC's mixed signals

Oil hovered close to $50 a barrel amid conflicting signals from OPEC ministers about whether an extension of supply limits is on the table for the cartel’s meeting on Friday.

OPEC keeps oil market guessing over further production cuts

Ministers from OPEC and its allies look set to keep everyone waiting longer for confirmation of further action to rebalance the oil market, sending conflicting signals on whether they’ll discuss...

BSEE director charts path for robust offshore U.S. energy production

Bureau of Safety and Environmental Enforcement Director Scott Angelle is moving the Outer Continental Shelf energy program toward energy dominance for America. Angelle discussed the work underway a...

API lauds effort to strengthen U.S. energy infrastructure, create jobs

API has welcomed the introduction of bipartisan legislation that would increase certainty, transparency, and efficiency in the permitting process for natural gas pipelines at the Federal Energy Reg...

DNV GL-led collaboration leads to first guidance on inspection, evaluation of non-metallic seals

DNV GL is now launching the first industry guidance, DNVGL-RP-B301, on inspecting, testing and evaluating non-metallic seals in operation.

Anasuria FPSO reaches safety milestone, awarded Order of Distinction

The Anasuria FPSO has been recognized by the Royal Society for the Prevention of Accidents (RoSPA) once again.

Trump orders sanctions on companies dealing with North Korea

President Donald Trump Thursday ordered new sanctions on individuals, companies and banks doing business with North Korea as the U.S. increases pressure on Pyongyang for its weapons programs.

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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