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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

Ramco reels in Oz award

Scottish company wins tubular managment contract in Western Australia from Japanese client

Comet signs up TDC for Mahalo work

Rigs secured for upcoming work programme at onshore Queensland block

Zentech designs jack-up for offshore wind install

Jones Act-compliant vessel to be delievered by fourth quarter of 2018

Penn West hit by charges of accounting fraud

US SEC alleges Canadian company artificially reduced operating costs; former officials charges

Noble taps AFGlobal for MPD systems

Rig owner eyes 'competitive advantage' with addition of managed pressure drilling capability

Linn inks Oklahoma JV with Citizen Energy

Newly formed company Roan Resources to focus on Merge play, plans IPO for early 2018

Exploration ‘starting to wake up’: WoodMac

Explorationists ‘more sure of place in upstream sector’ but NOCs take over high-impact market, survey shows

Korpfjell under safety scrutiny

Watchdog carries out audit of plans for high-profile Barents well off Norway in risk mitigation exercise

NADL debt facility extended

Seadrill increases loan to struggling subsidiary as clock ticks towards refinancing deadline

India unveils first open acreage round

Petroleum Minister Dharmendra Pradhan kicks off new licensing offer and national data centre

EIA: U.S. exports of crude oil, petroleum products double since 2010

U.S. crude oil and petroleum product gross exports have more than doubled over the past six years, increasing from 2.4 MMbpd in 2010 to 5.2 MMbpd in 2016. Exports of distillate, gasoline, propane,...

Libyan crude gushes into tankers as nation's output accelerates

Libyan oil shipments are poised to hit their highest level in at least three years in the latest sign the North African country is managing to sustain a production revival.

Cheniere's getting ready for the "next round" of LNG projects

Sixteen months after finishing a terminal and sending the first cargo of U.S. shale gas overseas, Cheniere Energy Inc. is already preparing for its next round of export projects.

Noble Corp. awards MPD contract to AFGlobal

Noble Corporation plc has awarded AFGlobal a contract for the provision of an integrated deepwater managed pressure drilling (MPD) system.

Well-SENSE Technology’s FLI achieves success in Eagle Ford field trials

Well-SENSE Technology Ltd. has achieved success with its pioneering FibreLine Intervention (FLI) technology for an oil major operating in the Eagle Ford.

Repsol Sinopec delivers first gas from Cayley field, in Montrose Area redevelopment

First gas has been delivered on schedule from Cayley field, the third and final new discovery to be brought on stream during the major redevelopment of the Montrose Area in the Central North Sea op...

Clariant introduces new non-triazine H2S scavenger

Clariant has introduced an alternative to triazine H2S scavenger chemistry with substantial benefits for oil producers. New SCAVINATOR increases overall production with less downtime due to its bes...

Lundin Norway divests 39% working interest in Brynhild field

Lundin Petroleum AB has announced that its wholly-owned subsidiary Lundin Norway AS on June 27, 2017, entered into a sales and purchase agreement with CapeOmega AS to divest a 39% working interest...

Platts proposes removing restrictions on Qatar crude

Oil price agency SandP Global Platts is proposing to remove from next month restrictions it had placed on Qatari crude in its pricing assessment after Saudi Arabia and some other Arab states cut ti...

Brazilian study urges Petrobras to cut Bolivian natural gas purchases

Petróleo Brasileiro SA should cut the maximum amount of natural gas it buys from neighboring Bolivia in half in an effort to encourage domestic importers and distributors to enter the market, acco...

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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