NO163609B - PROCEDURE AND PLANT FOR SEPARATION OF A HYDROCARBON-CONTAINING CURRENT SUPPLY IN A MULTIPLE PHASE FROM A PIPE PIPE. - Google Patents
PROCEDURE AND PLANT FOR SEPARATION OF A HYDROCARBON-CONTAINING CURRENT SUPPLY IN A MULTIPLE PHASE FROM A PIPE PIPE. Download PDFInfo
- Publication number
- NO163609B NO163609B NO860086A NO860086A NO163609B NO 163609 B NO163609 B NO 163609B NO 860086 A NO860086 A NO 860086A NO 860086 A NO860086 A NO 860086A NO 163609 B NO163609 B NO 163609B
- Authority
- NO
- Norway
- Prior art keywords
- rock
- separation
- pipe
- plant
- concrete
- Prior art date
Links
- 238000000926 separation method Methods 0.000 title claims description 10
- 238000000034 method Methods 0.000 title claims description 5
- 239000011435 rock Substances 0.000 claims description 25
- 229930195733 hydrocarbon Natural products 0.000 claims description 11
- 150000002430 hydrocarbons Chemical class 0.000 claims description 11
- 238000005253 cladding Methods 0.000 claims description 5
- 239000003673 groundwater Substances 0.000 claims description 5
- 239000004576 sand Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000004215 Carbon black (E152) Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims 1
- 239000007788 liquid Substances 0.000 description 18
- 239000012071 phase Substances 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000035508 accumulation Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000000135 prohibitive effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000005514 two-phase flow Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G5/00—Storing fluids in natural or artificial cavities or chambers in the earth
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Description
Foreliggende oppfinnelse vedrører en fremgangsmåte for separering av eri hydrokarbonholdig strøm tilført i flerfase fra en rørledning, og det særegne ved fremgangsmåten i henhold til oppfinnelsen er at separeringen foretas i et fjellrom, såsom en tunnel, som er påført en indre kledning av metallisk material eller plast og som har tilstrekkelig tetthet til å forhindre utlekking av hydrokarboner i den omkringliggende fjellmasse. The present invention relates to a method for separating a stream containing hydrocarbons supplied in multiphase from a pipeline, and the peculiarity of the method according to the invention is that the separation is carried out in a rock space, such as a tunnel, which has an inner lining of metallic material or plastic applied and which has sufficient density to prevent leakage of hydrocarbons into the surrounding rock mass.
Oppfinnelsen vedrører også et anlegg for separering av en hydrokarbonholdig strøm tilført i flerfase fra en rørledning, og det særegne ved anlegget i henhold til oppfinnelsen er at det omfatter et fjellrom, såsom en tunnel, med en indre kledning av metall eller plast for å forhindre utlekking av hydrokarboner i den omkringliggende fjellmasse,- idet fjellrommet har tilstrekkelig buffervolum til å sikre separering i et eneste trinn, og rørledninger for fraføring av gass, olje og eventuelt vann etter separeringen og eventuelt også rørled-ninger mellom bergveggen og kledningen for drenering av grunnvann, idet fjellrommet på kjent måte er avgrenset med en trykkbestandig betongpropp, idet den indre kledning er understøttet av en betongforing henholdsvis betongproppen hvor betongdelene tjener som formgiver og underlag for kledningen når denne, når anlegget er i drift, presses mot betongdelene på grunn av trykket fra hydrokarbonene. The invention also relates to a plant for separating a hydrocarbon-containing stream supplied in multiphase from a pipeline, and the peculiarity of the plant according to the invention is that it comprises a rock space, such as a tunnel, with an inner lining of metal or plastic to prevent leakage of hydrocarbons in the surrounding rock mass, - as the rock space has sufficient buffer volume to ensure separation in a single step, and pipelines for the discharge of gas, oil and possibly water after the separation and possibly also pipelines between the rock wall and the cladding for drainage of groundwater, as the rock space is delimited in a known manner with a pressure-resistant concrete plug, as the inner lining is supported by a concrete lining or concrete plug where the concrete parts serve as shaper and base for the lining when, when the plant is in operation, it is pressed against the concrete parts due to the pressure from the hydrocarbons .
Fordelaktig er det i fjellrommet anordnet utstyr i form av ledeplater og/eller deflektorer samt sandfang. Advantageously, equipment in the form of guide plates and/or deflectors as well as sand traps is arranged in the rock room.
Disse trekk ved oppfinnelsen fremgår av patentkravene. These features of the invention appear from the patent claims.
I forhold til tidligere teknikk med yæskeproppfanging i væskefangere som utgjøres av store og kompliserte røranlegg, vil man ved oppfinnelsen unngå at styrkebegrensningen i konstruksjonsmaterialene begrenser dimensjonene av rørene eller beholderne i anlegget, idet trykkreftene ved oppfinnelsen overføres til det omkringliggende fjell. In relation to previous technology with ice plug capture in liquid traps which are made up of large and complicated pipe systems, the invention will avoid that the strength limitation in the construction materials limits the dimensions of the pipes or containers in the system, as the pressure forces of the invention are transferred to the surrounding rock.
Ved anordningen av rørledninger mellom bergveggen og kledningen kan baktrykk mot tetingsmembranen forhindres under bygge-perioden, inspeksjon og vedlikehold når anlegget ikke er trykksatt innvendig. By arranging pipelines between the rock wall and the cladding, back pressure against the sealing membrane can be prevented during the construction period, inspection and maintenance when the plant is not internally pressurized.
Fordelaktig er selve rørledningen og/eller utgående rørled-ninger ført gjennom betongproppen. Advantageously, the pipeline itself and/or outgoing pipelines are routed through the concrete plug.
Fordelaktig er det i selve rørledningen og/eller utgående rørledninger anordnet ventiler for trykk- og strømningsregule-ring eventuelt avstengning. Valves are advantageously arranged in the pipeline itself and/or outgoing pipelines for pressure and flow regulation, possibly shut-off.
Fordelaktig er det i beholderen i fjellrommet anordnet vanlig utstyr for strømretning og energidreping i form av ledeplater og/eller deflektorer samt sandfang. Advantageously, the container in the rock space is equipped with usual equipment for current direction and energy killing in the form of baffles and/or deflectors as well as sand traps.
Oppfinnelsen vedrører således separering av olje, vann og gass ved mottak fra rørledninger som befordrer en tofasestrøm (d.v.s. olje- og gasstransport i samme rør) eller hvor strømmen kan anta tofasekarakter. The invention thus relates to the separation of oil, water and gas when receiving from pipelines which carry a two-phase flow (i.e. oil and gas transport in the same pipe) or where the flow can assume a two-phase character.
Ved tofasetransport av hydrokarboner i rørledninger er det kjent at væskeansamlinger som tidvis fyller en vesentlig del av strømningstverrsittet, såkalte væskepropper, forårsaker ustabiliteter og driftsforstyrrelser i en ellers jevn olje-gasstrøm. Størrelsen på væskeproppen som dannes i rørledningen vil variere med sammensetningen av det transporterte medium, transporthastigheter, fysiske faktorer som trykk og temperatur samt rørledningstraséen. På mottagersiden av rørledningen er det behov for innretninger til å motta og separere væske og væskepropper fra gasskomponentene før væskefaser og gassfase sendes hver for seg til prosessering/forbruk. In two-phase transport of hydrocarbons in pipelines, it is known that liquid accumulations that occasionally fill a significant part of the flow cross-section, so-called liquid plugs, cause instabilities and operational disturbances in an otherwise smooth oil-gas flow. The size of the liquid plug that forms in the pipeline will vary with the composition of the transported medium, transport speeds, physical factors such as pressure and temperature as well as the pipeline route. On the receiver side of the pipeline, there is a need for devices to receive and separate liquid and liquid plugs from the gas components before liquid phases and gas phases are sent separately for processing/consumption.
For større transportledninger hvor væskeproppene kan bli meget store, er det idag en kjent teknikk å skille væske fra gass i store væskefangere utformet som lange svakt hellende parallell-koblede rørledninger. Gass og væske innføres i de parallelle rør i oppstrømsenden via en fordelingsmanifold. Gass og væske får strømme med lav hastighet og stor fri kontaktflate i de parallelle rør hvorfra gassen trekkes av fra den øvre del av rørene og væsken fra den nedre del av rørene i nedstrømsenden. Slike anlegg som idag bygges for tofaserørledninger er ofte meget store. Lengder på 200 - 300 m med seks til åtte parallelle rør av 1 m diameter og godstykkelser endog på mer enn 2 cm er ikke uvanlig. Total stålvekt kan overstige 10 00 tonn. Driftstrykk på 100 bar og mer er vanlig. Dimensjone-rende kriterier er nødvendig buffervolum, oppholdstid og penetreringsdybde for gassbobler i væske. Det er av styrkemes-sige årsaker prohibitivt å bygge væskefangere ekvivalent med den i det ovenstående beskrevne væskefanger som en eneste frittstående trykktank bygget i stål. For larger transport lines where the liquid plugs can become very large, it is currently a known technique to separate liquid from gas in large liquid traps designed as long gently sloping parallel-connected pipelines. Gas and liquid are introduced into the parallel pipes at the upstream end via a distribution manifold. Gas and liquid are allowed to flow at low speed and with a large free contact surface in the parallel pipes from which the gas is withdrawn from the upper part of the pipes and the liquid from the lower part of the pipes at the downstream end. Such facilities that are currently being built for two-phase pipelines are often very large. Lengths of 200 - 300 m with six to eight parallel pipes of 1 m diameter and material thicknesses of even more than 2 cm are not unusual. Total steel weight can exceed 10,000 tonnes. Operating pressures of 100 bar and more are common. Dimensioning criteria are the required buffer volume, residence time and penetration depth for gas bubbles in liquid. For reasons of strength, it is prohibitive to build liquid traps equivalent to the liquid trap described above as a single independent pressure tank built in steel.
Den foreliggende oppfinnelse reduserer plassbehov, kostnader og vedlikehold samt øker sikkerheten for personell, anlegg og sabotasje i forhold til de tilsvarende faktorer ved kjent teknikk. The present invention reduces space requirements, costs and maintenance as well as increases safety for personnel, facilities and sabotage in relation to the corresponding factors of known technology.
Den grunntanke som ligger til grunn for oppfinnelsen er at væskefangeren anordnes i form av og i minst ett foret fjellrom,• gjerne en tunnel, hvor fjellet opptar trykkreftene, en foring i betong tjener for overføring av indre trykkrefter fra en indre tett kledning i form av stål, metall eller egnet polymer-material. For å hindre innfalling av kledningen forårsaket av eventuelt grunnvannstrykk under bygging, inspeksjon og/eller vedlikehold når anlegget er innvendig trykkløst, er det anordnet dreneringsmulighet for grunnvann mellom bergveggen og kledningen. The basic idea underlying the invention is that the liquid trap is arranged in the form of and in at least one lined rock space,• preferably a tunnel, where the rock absorbs the compressive forces, a concrete lining serves to transfer internal compressive forces from an inner tight lining in the form of steel, metal or suitable polymer material. In order to prevent the cladding from falling in caused by potential groundwater pressure during construction, inspection and/or maintenance when the facility is internally depressurised, a drainage facility for groundwater has been arranged between the rock wall and the cladding.
Anlegget er på kjent måte avgrenset mot adkomstdelen av fjellrommet ved hjelp av en trykkbestandig betongpropp. The facility is defined in a known manner towards the access part of the mountain space by means of a pressure-resistant concrete plug.
Et anlegg i samsvar med den foreliggende oppfinnelse kan da omfatte det nevnte fjellrom, en trykkbestandig betongpropp, rørledningstilslutninger for innkommende tofaserør, utgående gass- og væskerør, anslutningsventiler og instrumenteringsinn-retninger og interne vanlige anordninger i form av ledeplater og deflektorer for energidreping, strømretning og effektiv separering av væske og gass, samt vanlige anordninger for sandfang. A facility in accordance with the present invention can then include the aforementioned rock space, a pressure-resistant concrete plug, pipeline connections for incoming two-phase pipes, outgoing gas and liquid pipes, connection valves and instrumentation devices and internal common devices in the form of guide plates and deflectors for energy killing, flow direction and efficient separation of liquid and gas, as well as common devices for sand capture.
Oppfinnelsen skal illustreres nærmere under henvisning til den vedføyde figur som skjematisk viser et anlegg i overensstem-melse med og for utførelse av oppfinnelsen, med minst et fjellrom 1, såsom en tunnel. Tunnellen har en betongforing 2 som tjener for trykkoverføring til den omkringliggende fjellmasse og er sammen med en betongpropp 4 formgiver og underlag for en tett kledning 3. Endeveggen i beholderen utgjøres av betongproppen 4. Anlegget er anordnet med tilkoblinger for inngående rørledning 5, utgående rør 6 for gass, rør 7 for olje og rør 11 for vann og vanlige innretninger for energidreping, strømretning og separering i form av ledeplater og deflektorer samt sandfang antydet ved 8. Dreneringsrør 9 for grunnvanns-trykkavlastning er antydet og likeledes ventilanordninger 10 for regulering av strøm og trykk eventuelt avstengning. The invention shall be illustrated in more detail with reference to the attached figure which schematically shows a facility in accordance with and for carrying out the invention, with at least one rock space 1, such as a tunnel. The tunnel has a concrete lining 2 which serves to transfer pressure to the surrounding rock mass and, together with a concrete plug 4, forms and supports a tight lining 3. The end wall in the container is made up of the concrete plug 4. The facility is arranged with connections for incoming pipeline 5, outgoing pipe 6 for gas, pipe 7 for oil and pipe 11 for water and usual devices for energy killing, flow direction and separation in the form of baffles and deflectors as well as sand traps indicated at 8. Drainage pipe 9 for groundwater pressure relief is indicated and likewise valve devices 10 for regulating current and press shutdown if necessary.
Claims (3)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO860086A NO163609C (en) | 1986-01-13 | 1986-01-13 | PROCEDURE AND PLANT FOR SEPARATION OF A HYDROCARBON-CONTAINING CURRENT SUPPLY IN A MULTIPLE PHASE FROM A PIPE PIPE. |
BR8705378A BR8705378A (en) | 1986-01-13 | 1987-01-12 | PROCESS AND INSTALLATION FOR INTEGRATED COLLECTION OF INTERMITTING PIGS OF OIL AND SEPARATION OF OIL AND GAS IN A COATED ROCK CAVE, INDEPENDENTLY OF THE LEATHER WATER LEVEL |
GB08721115A GB2193908A (en) | 1986-01-13 | 1987-01-12 | A process and installation for integrated catching of liquid slugs/separation of oil and gas in a lined rock cavern, independently of ground water level |
AU68475/87A AU6847587A (en) | 1986-01-13 | 1987-01-12 | A process and installation for integrated catching of liquid slugs/separation of oil and gas in a lined rock cavern, independently of ground water level |
PCT/NO1987/000003 WO1987004138A1 (en) | 1986-01-13 | 1987-01-12 | A process and installation for integrated catching of liquid slugs/separation of oil and gas in a lined rock cavern, independently of ground water level |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO860086A NO163609C (en) | 1986-01-13 | 1986-01-13 | PROCEDURE AND PLANT FOR SEPARATION OF A HYDROCARBON-CONTAINING CURRENT SUPPLY IN A MULTIPLE PHASE FROM A PIPE PIPE. |
Publications (3)
Publication Number | Publication Date |
---|---|
NO860086L NO860086L (en) | 1987-07-14 |
NO163609B true NO163609B (en) | 1990-03-19 |
NO163609C NO163609C (en) | 1990-06-27 |
Family
ID=19888675
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO860086A NO163609C (en) | 1986-01-13 | 1986-01-13 | PROCEDURE AND PLANT FOR SEPARATION OF A HYDROCARBON-CONTAINING CURRENT SUPPLY IN A MULTIPLE PHASE FROM A PIPE PIPE. |
Country Status (5)
Country | Link |
---|---|
AU (1) | AU6847587A (en) |
BR (1) | BR8705378A (en) |
GB (1) | GB2193908A (en) |
NO (1) | NO163609C (en) |
WO (1) | WO1987004138A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19745743C2 (en) * | 1997-07-09 | 2000-05-18 | Thyssen Gas | Security system for a gas storage cavern |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2930197A (en) * | 1954-11-12 | 1960-03-29 | Phillips Petroleum Co | Underground storage of high pressure petroleum gases |
US3184922A (en) * | 1960-07-12 | 1965-05-25 | Suburban Propane Gas Corp | Method of and means for storing liquefied petroleum gases underground |
FR2044634A1 (en) * | 1969-05-05 | 1971-02-26 | Lebon Et Cie | |
SU1009930A1 (en) * | 1981-02-27 | 1983-04-07 | Всесоюзный Научно-Исследовательский Институт Использования Газа В Народном Хозяйстве, Подземного Хранения Нефти, Нефтепродуктов И Сжиженных Газов "Вниипромгаз" | Method of preparing unstable gas condensate to transportation |
-
1986
- 1986-01-13 NO NO860086A patent/NO163609C/en not_active IP Right Cessation
-
1987
- 1987-01-12 GB GB08721115A patent/GB2193908A/en not_active Withdrawn
- 1987-01-12 BR BR8705378A patent/BR8705378A/en unknown
- 1987-01-12 WO PCT/NO1987/000003 patent/WO1987004138A1/en unknown
- 1987-01-12 AU AU68475/87A patent/AU6847587A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
GB2193908A (en) | 1988-02-24 |
NO163609C (en) | 1990-06-27 |
AU6847587A (en) | 1987-07-28 |
NO860086L (en) | 1987-07-14 |
WO1987004138A1 (en) | 1987-07-16 |
BR8705378A (en) | 1988-02-23 |
GB8721115D0 (en) | 1987-10-14 |
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