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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 firms up option with Odfjell rig

Norwegian oil giant holding on to semisub for at least another three wells as it hatches second of four options

Llog kicks off Buckskin drilling

First development wells under way at deep-water field project in US Gulf of Mexico

ONGC in $5.8bn India stake purchase

State player to take over government's majority holding in major downstream company

Safety rap on Leiv Eiriksson

Ocean Rig faces non-conformities on semisub after winter audit by Norwegian safety watchdog

Halliburton piles on revenues

US oilfield services giant's top line much improved last year but still stuck in red on tax law change

Iraq, Orion sign oilfield gas deal

US company gets deal to process natural gas extracted from giant Nahr Bin Omar field

SBM gets going on Liza topsides

Dutch floater giant starts steel-cutting at Dyna-Mac yard for ExxonMobil’s giant oil scheme off Guyana

Partners extend In Amenas PSC

Statoil and BP target fresh investments at Algerian gas plant hit by deadly terrorist attack five years ago

Angus taking over at Balcombe find

London-listed player takes stake in UK onshore discovery from Cuadrilla and Lucas Bolney

Oil erases gains even as ministers say output cuts will continue

Brent crude declined even after Saudi Arabia and Russia pledged over the weekend to continue oil supply cuts.

Top Indian oil explorer may raise $5.48 billion to buy HPCL

India’s biggest oil and gas explorer has widened its first debt-raising plan to as much as $5.48 billion to buy state-run refiner Hindustan Petroleum Corp.

Lundin Petroleum announces reserves and contingent resources update

Lundin Petroleum AB has announced that as of Dec. 31, 2017, its proved plus probable net reserves (2P reserves) are 726 MMboe, its proved plus probable plus possible net reserves (3P reserves) are...

Sound Energy divests Italian portfolio through acquisition by Saffron Energy

Sound Energy, the African and European focused upstream gas company, has announced that it has entered into a binding conditional sale and purchase agreement with Saffron Energy Plc under which it...

Otto Energy reports drilling on South Marsh Island Block, in the Gulf of Mexico

Otto Energy Limited has advised that the OCS G-34266 #F-3 well (F3) on South Marsh Island Block 71 (SM 71), was drilled to a depth of 3,539 ft MD on Jan. 15, 2018, where 10 3/4-in. casing was set a...

Libya restarts Wintershall's oil fields to boost national output

Libya’s state energy producer announced the restart of production at Wintershall’s Sara oil fields more than two months after they were closed by protests.

Abu Dhabi gets bids for offshore oil in plan to expand capacity

Abu Dhabi’s government oil producer received bids in the fourth quarter from international energy companies seeking stakes in offshore fields that pump about 25% of the Persian Gulf emirate’s c...

Waters near Florida still being considered for oil drilling

Despite Interior Secretary Ryan Zinke’s Jan. 9 declaration that Florida is "off the table" for offshore oil drilling, that activity is actually still on the table.

OPEC, Russia signal global oil alliance may endure past 2018

OPEC and Russia reaffirmed that they’ll persevere with oil-production cuts until the end of the year to clear a global glut and signaled their readiness to cooperate beyond that.

ExxonMobil acquires exploration, production rights for Ghana's Cape Three Points

ExxonMobil today announced that it has signed a petroleum agreement with the government of Ghana to acquire exploration and production rights for the Deepwater Cape Three Points block.

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 ...

Dr. Torben Lund Skovhus

Dr. Torben Lund Skovhus is Researcher and Project Manager at VIA University College in the Centre of Applied Research & Development in Building, Energy & Environment (Horsens, Denmark). Torben is currently chair of NACE TEG286X and ISMOS TSC an organization he co-founded in 2006.

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