Nexen long lake hydrocracker reactor

Long lake has many one of its kind first commercial gasification unit in canada and the largest liquid fed gasifier in the world at startup largest single train air separation unit in the world. Here are the details nexen is able to share at this time. May 01, 20 hydrocracker process control strategy for the past two decades has focused on installing automatic depressurization systems and multivariable controllers mpc. Nexen responded to an explosion that occurred at our long lake site in the hydrocracker unit on january 15, 2016, and we are deeply saddened that this. According to the companys website, the hydrocracker is where hydrogen is combined with partially upgraded oil to remove sulfur and produce synthetic crude. The explosion of a hydrocracker in the upgrader that killed two nexen employees is among recent challenges for cnooc in canada, which also included a pipeline leak last year at long lake. An explosion occurs at the long lake upgraders hydrocracker, killing 52yearold maintenance worker drew foster and journeyman millwright dave williams. Long lake jobs in alberta with salaries skip to job postings, search close. Jan 18, 2016 nexens long lake upgrader remains shut down after deadly blast. This catalyst accelerates the reactions that remove sulfur and nitrogen from the hydrocarbon and open up and saturate aromatics rings. An aerial view of the spill at the nexen energys long lake oilsands facility south of fort mcmurray. The blast occurred inside a building at nexen s long lake oilsands operation.

Research and development foundation ciirdf and nexen energy ulc. At first feedstock is sent to the 1st hydrocracking reactor where fixedbed catalysts convert sulfur and nitrogen compounds and limited cracking occurs. It was started in order to develop the long lake site using steamassisted gravity drainage and optis orcrude process for onsite upgrading. One dead in explosion at nexen canadian oil sands facility. To find the map for the shortest distance from fort mcmurray to long lake nexen site, please enter the source and destination and then select the shortest option in the mode dropdown. Nexen blames workers for major explosion that killed two. Uops hydroprocessing reactor internals are custom designed and fabricated for each application to ensure maximum performance over the desired range of operating conditions. Nexen workers dave williams and drew foster had been changing valves at a hydrocracker at nexens long lake facility jan. Adds comment from police spokesman by jeffrey hodgson. Jul 06, 2017 alberta energy regulator charges nexen over 2015 pipeline spill open this photo in gallery.

The bitumen is pumped to the surface, where it is treated to remove water, then fed into the upgrader that produces synthetic crude oil. Nexen to cut 400 jobs amid oil industry downturn the star. The long lake oil sands upgrader project is an in situ oil extraction project near anzac, alberta, 40 km southeast of fort mcmurray in the athabasca oil sands region of alberta. Reactor design and number of processing stages play a role in this flexibility. Representatives from the alberta energy regulator survey the oil spill site at long lake in june 2016. There is some literature on the hydrocracking of waste plastics. Bitumen partial upgrading 2018 whitepaper alberta innovates. Long lake is the first oil sands project to integrate sagd bitumen extraction with an onsite upgrader and represents the worlds first commercial application of the proprietary orcrude upgrading technology. Reactor depressurising in case a thermal runaway in the reactor, a safety function is needed to stabilise the conditions. A hydrocracking unit, or hydrocracker, takes gas oil, which is heavier and has a higher boiling range than distillate fuel oil, and cracks the heavy molecules into distillate and gasoline in the presence of hydrogen and a catalyst. Mar 17, 2015 also tuesday, nexen said output in the oilsands has risen by 40 per cent since 2012. Dynamic step tests after the selection of variables is made, dynamic step tests are done to observe the correlation between manipulated and controlled variables. Ledcor in turn awarded the supply, installation and management of all required scaffolding and hoarding in its entirety to link scaffold service inc.

Hydrocracking adds that flexibility and offers the refiner a process that can handle varying feeds and operate under diverse process conditions. Kunzru department of chemical engineering, indian institute of technology, kanpur208 016 india received june 5th, 1990. Nexen workers dave williams and drew foster had been changing valves at a hydrocracker at nexen s long lake facility jan. Nexen energy ulc decision 2014340 time extension to complete construction of the proceeding no. Foster was declared dead at the scene while williams suffered serious burns and later died in hospital. Hydrocracking of nalkanes over different catalysts presently at regional research laboratory, bhutneswar. The emergency shutdown at nexen s long lake project is the latest in a series of setbacks for the company, and for chinas state. Hydrocracking sour medium crudes sweet light crudes. Nexen energy pleads not guilty in oilsands explosion that.

Blast at alberta long lake oil sands project leaves one. Nexen energy ulc is an upstream oil and gas company responsibly developing energy. The keys to profitability in hydrocracker unit operations depend on operational excellence in the areas of safety, energy efficiency, optimal reactor temperature yield control, and consistent and reliable unit operations, every day. Cnooc and sinopec target nexen and talisman assets july 23rd 2012, the chinese cnooc ltd cnooc announced to have signed an arrangement agreement with nexen for the acquisition of the nexen shares listed in toronto and new york stock exchanges. Environmental impact assessment and associated applications pertaining to the proposed nexen opti canada inc. See 4 photos from 33 visitors to nexen energy long lake. This configuration uses recycle for optimization of yield and processing severity. Hydrocracking, processing heavy feedstocks to maximize. Cbc one person is dead and another is in critical condition after an explosion friday afternoon at albertas nexen long lake. She said that the charges are against nexen, and could not immediately specify those who could face jail time. Jacobs is providing engineering and procurement services for nexen s long lake oil sands facility in alberta, canada. Explosion at nexens long lake plant calgary herald.

In a twostage hydrocracker, a mixture of hydrocarbon feed and hydrogen is heated and injected into a reactor vessel containing a hydrotreating catalyst. Today all they do is pull bitumen out of the ground using sagd technology and the long lake upgrader is all but shutdown after the explosion in january. For example, heat integration of a high temperature water gas shift reactor within the. Jan 16, 2016 one person was killed and a second was injured in an explosion at nexen energys long lake oil sands facility south of fort mcmurray, alberta, on friday, the company said. Early in 2009, nexen acquired an additional 15% interest in the long lake project, increasing the companys ownership level to 65%. Sep 01, 2015 nexen shutting down long lake operation as it complies with regulator the canadian press published tuesday, september 1, 2015 6.

Nexen charged in the death of 2 employees at long lake. Nexen apologizes for workers death at canada oil sands. Commercial gasification and hydrocracking technologies were. At nexen long lake, i have built a team based on the key underlying values of. However, long lake was idled in the summer of 2016 after a fire crippled the facility. Utilizing different types of catalysts can modify the product slate produced. This facility uses orcrude technology and is upgraded, after gasification and hydrocracking units, to synthetic premium oil. The move comes after the company confirmed it will not be restarting its long lake upgrader due to a damaged hydrocracker unit. Oilsands plant explosion near fort mcmurray leaves 1 dead. Nexen shutting down long lake operation as it complies with. Its a compression building, that is where the explosion happened, ron bailey, senior vicepresident, canadian operations at nexen, told a conference call today. Its long lake project has had a history of operational problems and prior to the takeover, investors were. Blast at alberta long lake oil sands project leaves one dead. The upgrader uses optis proprietary orcrude technology which converts the liquid asphaltene byproduct of the primary upgrader into hydrogen and fuel.

Hydrocracking unit refinery plant petroleum refining. Ron bailey, senior vp of canadian operations for nexen, tells media that they are deeply saddened on the unnecessary death after an explosion at nexen s long lake facility in. Nexen idles long lake upgrader indefinitely and eliminates 350. The entire output from this reactor is then injected into. Hydrocracker reactor temperature controls for greater safety. Long lake explosion occurred near the hydrocracker unit. During an emergency the slow system is always considered first to minimise damage to process equipment. Integration of fischertropsch and oilsands bitumen production. Toronto, jan 16 reuters nexen energy executives apologized on saturday for an explosion at the companys long lake oil sands facility in alberta that killed one employee, left another. The catalytic cracking uses heat and the feed is cooled as it progresses through the reactor.

Fang zhi said at a press conference on saturday that the explosion, which occurred friday afternoon at nexen s long lake facility in anzac, marked one of. Tutorial on upgrading of oilsands bitumen murray r gray imperial oilnserc industrial research chair in. During normal operation, adding a cold hydrogen quench to sweep away the heat of reaction to the downstream heat exchangers controls temperature. The long lake oil sands upgrader project is an in situ oil extraction project near anzac, alberta. The explosion that killed one person and sent another to hospital on friday occurred near the hydrocracker unit at nexen energy ulcs long lake oilsands facility, a company official said this afternoon. Nexen to cut 350 jobs in canada after oilsands upgrader blast.

Jul 12, 2016 ron bailey, head of canadian operations at nexen, says that after an extensive investigation it found that the explosion at the long lake facility was caused by staff doing work they werent. The explosion occurred at our long lake site near the hydrocracker unit at approximately 3. Fatal nexen explosion puts focus on oilpatch safety. Nexen energys long lake facility is near fort mcmurray, alta. We are an experienced company engaged in manufacturing, supplying and exporting a superior quality range of refinery plants equipments. The hydrocracker upgrades lowquality heavy gas oils from. The long lake project in the athabasca oil sands was initiated in 2001, as a 5050 partnership between nexen and opti canada. A free inside look at nexen intern salary trends based on 4 intern salaries wages for 4 jobs at nexen. Early indications were that the explosion took place in a hydrocracker. Nexen s emergency response plan was activated and response personnel, including first responders from the regional municipality of wood buffalo, arrived on site. Nexen energy has started work on a 26,000bd expansion of its long lake integrated oil sands project in the athabasca region of alberta, 25 miles southeast of fort mcmurray.

Nexens long lake upgrader remains shut down after deadly. Along with my team, i endeavour to deliver nexen s key results safely and responsibly. Nexen charged after oil sands explosion deaths news. The adjacent sagd steamassisted gravity drainage facility remains operational and now produces a heavy diluted bitumen, as is the case for. Dec 27, 2017 nexen charged in the death of 2 employees at long lake facility. Nexen energy ulc reported it will idle the long lake oil sands upgrader in fort mcmurray, alta. For example, a 652 ton reactor was shipped to site using a unique jointed rail car. Fuel processing technology, 29 1991 117 1 elsevier science publishers b. The project is owned and operated by cnooc petroleum north america, formerly known as nexen. The nexen long lake upgrader now owned by cnooc is albertas only upgrader integrated into an insitu facility. Nexen s long lake upgrader remains shut down after deadly blast. Jan 16, 2016 ron bailey, senior vp of canadian operations for nexen, tells media that they are deeply saddened on the unnecessary death after an explosion at nexen s long lake facility in northern alberta, on.

Model predictive controller design of hydrocracker reactors, 3. Start of commercial bitumen production for the long lake facility. Commercial gasification and hydrocracking technologies were employed as well as air. Over the eight years of supporting the onsite operation at long lake, our fabrication facility contributed in the vicinity of 3600 tons of fabricated structural steel, as well as, 40,000 diameter inches of pipe spooling. Intern salaries posted anonymously by nexen employees. The flowscheme is designed to assure that high quality product is. The project used proprietary orcrude technology as well as hydrocracking and. Process configuration hydrocracker units can be operated in the following possible modes. Model predictive controller design of hydrocracker reactors. Hydrocracking processes distillate hydrocracking is a refining process for conversion of heavy gas oils and heavy diesels or similar boilingrange heavy distillates into light distillates naphtha, kerosene, diesel, etc.

No date was given for when the upgrader would be returned to. Long lake project long lake is an integrated sagd and upgrader complex located 40 km south of fort mcmurray. The main advantage of the slurrybased process is that it can process a variety of feedstocks from refinery residue with more than 90% conversion. Ron bailey, senior vice president of canadian operations, said dave. Update 1nexen apologizes for workers death at canada oil. It uses high pressure, high temperature, a catalyst and hydrogen to crack heavier feedstock into lighter, more valuable products. The phoenix industrial fabrication facility also played a key role in the success of these projects. Nexen long lake oil upgrader details parent category. Nexen energy has pleaded not guilty to eight charges stemming from a fatal explosion at the companys oilsands site in northern alberta. Hydrocracker safeguarding with sis the reaction occurs as liquid hydrocarbon contacts a fixed bed of catalyst with excess hydrogen at a high pressure. Photo courtesy of nexen an onsite explosion at nexen energys long lake facility, a subsidiary of chineseowned cnooc ltd. While these have brought important gains, experience now shows this leaves many gaps in excursion control and depressure prevention.

The integration of the three main components of the long lake integrated upgrader orcrude primary upgrading, liquids asphaltene gasification, and hydrocracking of the orcrude product as shown in figure 5 are a unique, proprietary and patented advantage that the opti nexen configuration offers over alternative bitumen recovery and. Search 50 long lake jobs now available in alberta on, the worlds largest job site. The first is the catalytic cracking of the heavy long chain hydrocarbons in the lighter shorterchain unsaturated hydrocarbons. Operations at nexen long lake suspended following fatal. Nexen shutdown of long lake project tests resolve in oil. The proposal is for bitumen production capacity of approximately 140,000 barrels per day using steam assisted gravity drainage sagd technology. Mynah technologies, chesterfield, mo abstract the paper presents a case study on development and implementation of the operator training system for a greenfield hydrocracker unit at a large north american refinery. An explosion in the facilitys hydrocracker killed one worker and left another seriously injured. Building in anzac, ab foursquare uses cookies to provide you with an optimal experience, to personalize ads that you may see, and to help advertisers measure the results of their ad campaigns. May 26, 2019 this site uses only session 3rd party cookies. Drew foster was pronounced dead at the scene and david williams later died in hospital. At 2,500 feet below the surface, the long lake deposit is too deep to mine. Hydrocracking is an important source of diesel and jet.

The hydrocracking reactor effluent goes through gasliquid separation and then to the fractionator. To estimate the travel cost, find the trip cost from fort mcmurray to long lake nexen site. Also, as dispersed catalyst is used in the reactor, it is not prone to pluggi ng from coke. The project used proprietary orcrude technology as well as hydrocracking and gasification to produce premiu.

One man died and another was seriously injured after an explosion on friday at nexen energys long lake oil sands facility south of fort mcmurray. Ledcor was responsible for the fabrication and assembly of 102 modules for the nexen long lake sagd central plant facility and 42 modules for the opti long lake upgrader hydrocracker silo. One person was killed and a second was injured in an explosion at nexen energys long lake oil sands facility south of fort mcmurray, alberta, on friday, the company said. Uop equipment specialists oversee the design, fabrication, and installation providing a singlesource responsibility for this critical hydroprocessing technology feature. Hydrocracking, processing heavy feedstocks to maximize high quality distillate fuels. Toronto, jan 15 reuters one person was killed and a second was injured in an explosion at nexen energys long lake oil sands facility. Long lake is an integrated steamassisted gravity drainage site which produced 41,000 barrels per day of bitumen in 2017. Long lake project nexen long lake sagd is a next generation oil sands development operated by partners nexen inc and opti canada inc. Hydrocracking reactors are usually equipped with a slow and a fast depressurising system. Cnooc nexen energy cutbacks at long lake oilsands site cap. Nexen kinosis camp project petroleum service facebook.

Nexen energy executives apologized on saturday for an explosion at the companys long lake oil sands facility in alberta that killed one employee, left another critically injured and shut down the. If you dont change browser settings you agree with it. Nexen charged in the death of 2 employees at long lake facility. Nexen executives said the cause of an explosion at their long lake facility that killed two men was the employees themselves. This configuration uses two reactors and the residual hydrocarbon oil from the bottom of. Again, for single stage hydrocracking, either the feedstock must first be hydrotreated to remove ammonia and hydrogen sulfide or the catalyst used in the single reactor must be capable of both hydrotreating and hydrocracking. The announcement came after two long lake incidents. At a press conference on tuesday morning, nexen announced it will be reducing its head count by another 350 employees sometime this year. Nexen idles long lake upgrader indefinitely and eliminates. Steam assisted gravity drainage sagd is employed to recover bitumen that is too deep to mine. Alberta energy regulator charges nexen over 2015 pipeline. A two reactor design with recycle is commonly used for hydrocracking plants, a simplified schematic diagram for which is shown in fig. Tutorial on upgrading of oilsands bitumen university of alberta. Jul 12, 2016 nexen executives said the cause of an explosion at their long lake facility that killed two men was the employees themselves.