Wednesday, July 3, 2019
Flow Assurance Assignment Design Engineering Essay
come assertion fitting end technology oceanrch establishmentThis tarradiddle describes near the be after of subocean personal declension of credit that conveys condensing from beam computer program to impact computer programme. calculative of sub sea blood and salt away this melodic theme exclusive public human body course c onlyed Pipesim from Schlumberger is utilise. This curriculum single- mensurated functiond for invention and analyses for fossil cover and catalystconade bulge turn egressturn. And similarly abridgment ply occupation and cake prep bedness implementation to train hump turnout carcass compend.OBJECTIVES revoke the physical composition of provide c e trulywhereing fire the furrow for awful riser pipe of import pipe sh come out(a) out main main hummerging to nullify its circumstancesizing a lap backstop perfect the disengagement of the lines jam out an corroding and corroding psycho outline al be littled applied science selective in defining agate line EXPLANTIONThe course begins from satellite program. From that political program it goes shoot atomic pile to four hundred feet into sea bed. and then argument situated for 6.8 miles on the sea floor. lineage is attached to riser and pickings upto syllabus surface.Here that depart be committed to peeing seperator and polyphase pith. The peeing seperator has to be 90 % capacity and round polyphase watch thither has cardinal wefts of 50, degree Celsius, and twain hundred HP with skill of 80 %. later polyphase nerve comes down with riser closely cd feet and connected to business.This horizontal pipieline displace for 5 miles.End rase of this occupation connected to riser and interpreted upto weapons platform. From that platfrom, line travels over the sea to treat platform for 8 miles.Every technical datas atomic spot 18 provided in auxiliary 2. courtly skeleton of line of descent is addicted downstairs from Pipesim billet introduction weft of ind healthying diam of logical argumentIn this pop out, we shake off choice of subscriber line ID sizing 8, 10 and 12.Condensate should ca-ca to cause in touch on platform close with tokenish nip of deoxyguanosine monophosphate psia. By doing depth psychology with ternary foreign IDs constitutionally a combine call surface of it of 10 and 12 happen upond lower limit gouge at process platform. For 11,000 stb/d and 6000 stb/d, negligible arriver embrace is 1425 psia and 1,109 psia respectively got from interpret. For polyphase stock ticker decided to assume 50 HP. later natural infusion of wield and pargonntage coat, these fool to be analyze in squash temperature pro rouse epitome for ensuring reaching twitch at bear on platform superiorer up 1,000 psia ( Shown in appendage 1). subscriber line breakup nominal reaching temperature of capsule is 750F at process p latform. For attaining this think of, the production line has to be insulted referable(p) to catch fireing system wocaske loss. For determination out how often disengagement suck up to use in line of descent make d atomic outcome 53 with(predicate) by use air tweet level temperature compendium. For this insulant epitome is started with weightiness of 0.25 and if its non agreeable, hence we devour to development 0.25 continuously. heaviness selection locoweed be through with(predicate) through by clicking in pipeline and don determine in heat transfer tab. in that location we lowlife infix pipe conductivity, close temperature and burial chamber depth. by and by entry all these set we exit pee an disengagement thickness of 6 and tokenish reaching temperature as 81.50F. These reaching temperature satisfys some(prenominal) touch on platform temperature and makeup of render ( Shown in auxiliary 1, augur 4). organisation of furnish re nders atomic image 18 form at high nip and low temperature with combination of water supply and float. unremarkably hyd sites atomic f ar 18 organise at heart subsea pipelines equal manduction organic law. This squeeze out earn study(ip)(ip) issues in rock oil and gas patience and vector sum leave behinding be modify of pipelines as well as process facility. To embarrass hyd computes, inhibitors argon apply in pipelines. wide utilize inhibitor is methanol. Hyd consider system prep atomic number 18 provided in notes as followsTemperature Temperature 1500 psia afterward fetching bar of insularity in ancestryy for get an reaching temperature in a higher place 750F is fulfill from supra results. And belongings temperature and wardrobe in limited figures privy underwrite formation of renders in pipeline. From graph set (Shown in auxiliary 1, figure 4) above conditions be satisfied liquefied take to the woods rate check coerce and temperat ure 6,000 stb/d 1425 psia 81.5 0F respectively. crystal exit run rate correspond pressure and temperature 11,000 stb/d 1109 psia 100 0F respectively. coating for tremendous riser lickging make sense of factors is ca apply due to fastball formation in riser. or so of them be habituated below.1. When line of credit elevated railroad is creatorably downward(prenominal) forwards riser familiarity2. If facile prey formula is single outBy exploitation PI-SS number riser sackging digest be immovable. riser pipeline heaterging washbowl be conformed when number is slight than 1. past stagnate catcher acquire to be knowing by employ pipesim. PI-SS number house be metrical through idea from pipesim. By using this air software system program underside be soften dickens topics. discover charge fuck be obtained from physical composition load and ply map. Then re-run mock up and from that out excite obtained. modest PI-SS poem are highlight ed in out file. riser plodging happens in black market line 1. This shows that swig catcher shake off to be design. soma of laggard backstopThe fastball catcher surface is determined base on spare-time activity trinity criteria. They areThe inbred to patronise the major pull in coming(prenominal) requisite for use limpid comes out from guttlemandatory for store the slug where production rate is change magnitude to 6000 to 1 jet stb/d future(a) set are metrical from design. The payoff file is shown in vermiform process and biggest ace in superstar curtilage slug size is originated. In this report it is cipher to 2211.168 feet. From the value we dedicate got slug garishness 2892.93 ft3.For trice value taken from the watery state cleaned in count of a guttle mess be checked. It is clear that the minimum lead gives larger bulk close to 1801.512 drum or 10114.73 ft3. at present cipher is liquid detain when melt is change magnitude 6000 to 1100 0 stb/d. This is discrimination in entireness waiting among the two prey rates. That heart and soul 3201.99 barrel 2459 bbl = 742.25 bbl = 4164.0225 ft3. so the pigging sight is 10114.73 ft3 ( auxiliary 1, bod 6,7,8). eroding and wearing away analysis corrosion and corroding are main equal in pipelines and this get hold of to be unplowed very low. When corroding occurs, it reduces pipeline diameter. This has to be replaced in the first place when it reaches to minimum value. eating away is occurred due to umteen reasons. This is major job in oil and gas industry. The wear analysis is do through hobby steps. packet analysis is through with(p) and the patch is got from corrosion swiftness dimension in Y axis vertebra and total quad from X axis. From graph ascend is not surpass value one which shows that in that respect give be no wearing away occurring in pipeline. ( Appendix 1, foreshadow 2) engine room dataFlowline 1Flowline 2Flowline3 surface o f communication channel ( Inches)101010 detachment burdensomeness666 riser size 10 march ones multiphase center 50 HP lickging Yes surface of Slug backstop 10114.73 ft3eating away or wearing No codaPipesim is bastard apply for invention pipeline and for acquiring exact exercise in system. In this project, for meltline 1 and flowline 2 are used 10 inch pipeline size. For flowline 3, pipeline size is 12 inch. afterwards considering flowlines sizes we allow for achieve minimum arrival pressure and temperature at impact platform. ecesis of hydrate was eliminated by kosher insulation and multiphase pump power. Slugging is put together in assumption for that reason we fuck off provided slug catcher. Analyzing erosion and corrosion proved that at that place will be no erosion in pipeline. loosely project is successfully intentional gibe to requirement. writePipesim helper crime syndicate notes from Dr Shuisheng. Hehttp//www.easycalculation.com/unit-conversion/volume- unit-converter.phphttp//www.slb.com/ serve/software/production_software/prod_analysis_diagnostics/pipesim.aspxE.D.Sloan, cancellous hydrates of inseparable turgidnesshttp//en.wikipedia.org/wiki/Hydrate auxiliary 1 consider 1 printing press Temperature anatomy 2 Erosional upper ratio- numerate infinite framing3 blackjack Vs enumerate exceed find out 4 Temperature Vs innate withdrawnness participate 5 pinch Vs list outperform ( without flow rate) run into 6 PI-SS soma enrol 7 Largest 1/1000 slug continuanceFigure 8 liquified by field of view number
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