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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

H&P in $100m Motive deal

US rig contractor to expand automated drilling services with acquisition

New Norway indie sprouts up with Blue Water backing

Former Det Norske chairman Sverre Skogen leads start-up financed by investment fund

Teekay flotel contract cancelled in Brazil

Vessel owner says it may seek legal redress as Petrobras backs out of charter, citing 'incidents'

Tunisian oilfields shut in amid protests

Canada's Serinus says Sabria field remains offline as roads blocked by demonstrators

NOV details Saudi Aramco tie-up

US player to supply parts for 50 newbuild onshore rigs to be built under separate Saudi agreement with Nabors

Pacific Radiance inks JV with Allianz Marine

Workboat owners form new venture focused on owning and operating vessels in Middle East

PODCAST: Mic-dropping Shale Knowledge

US onshore expert Noah Brenner takes us on a tour of the Lower 48 as he bids farewell to Upstream

Zinke names new BSEE director

US Interior Secretary appoints Louisiana official to replace Brian Salerno at key bureau

Statoil in Blaamann spud

State-controlled explorer marks return to Barents with first well in fresh campaign in Arctic play off Norway

HSE prepares to probe Brent C leak

Inspectors to arrive at Shell facility this week to investigate hydrocarbon release at UK North Sea facility

Callawonga-14 well is cased and suspended as future oil producer, Cooper Energy says

Cooper Energy has announced that Callawonga-14, an appraisal and development well drilled by the PEL 92 Joint Venture in PPL 220, has been cased and suspended as a future oil producer.

Oil rises to one-month high as Saudis see output curbs into 2018

Oil rose to the highest in a month as Saudi Arabia said all producers participating in output cuts agree on extending the deal through the first quarter of 2018.

Eni starts production from Cape Three Points block, offshore Ghana

Eni has launched production from the Integrated Oil and Gas Development Project, in the Offshore Cape Three Points (OCTP) block, off Ghana’s western coast, in just two and a half years, and three...

China's love for U.S. gas begins as Trump rolls out red carpet

Let the gushing begin. After an executive from U.S. liquefied natural gas exporter Cheniere Energy Inc. spoke to a few hundred people at a conference in Beijing last week, the first question from t...

FrontRow Energy acquires ClearWELL Oilfield Solutions

FrontRow Energy Technology Group Limited has announced the acquisition of ClearWELL Oilfield Solutions, an oil and gas technology company focused on flow assurance and production optimization.

Rouhani win seen speeding Iran's oil push amid Trump threats

Iranian President Hassan Rouhani is in a stronger position after his re-election to push through plans for wooing foreign investors the country needs to boost oil production, according to analysts...

Sound Energy to re-enter Kechoula discovery, onshore Morocco

Sound Energy, the African and European focused upstream gas company, is pleased to announce that the SAIPEM rig has now arrived at the Company's Sidi Moktar asset, onshore Morocco, ahead of the...

Premier Oil JV spuds Zama-1 exploration well, offshore Mexico

Premier is pleased to announce that the Zama-1 exploration well in Block 7 (Premier equity 25%) in the shallow water Sureste basin, offshore Mexico, was spudded on May 21, 2017.

Wood Group secures contract with Sakhalin Energy

Wood Group has secured a services contract with Sakhalin Energy, an operator of Sakhalin-2; one of the world’s largest integrated oil and gas projects.

OPEC's worst cheater will get harder to ignore as curbs falter

OPEC’s second biggest producer is also its biggest cheater. And if past is prologue, that lengthens the odds the group will be able to squeeze too many more price gains out of its output cuts.

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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