DK200100934A - Kemisk injektion med lukket maske samt overvågningssystem til brug ved drift af oliefelter - Google Patents
Kemisk injektion med lukket maske samt overvågningssystem til brug ved drift af oliefelter Download PDFInfo
- Publication number
- DK200100934A DK200100934A DK200100934A DKPA200100934A DK200100934A DK 200100934 A DK200100934 A DK 200100934A DK 200100934 A DK200100934 A DK 200100934A DK PA200100934 A DKPA200100934 A DK PA200100934A DK 200100934 A DK200100934 A DK 200100934A
- Authority
- DK
- Denmark
- Prior art keywords
- flow rate
- additive
- control unit
- monitoring system
- operating oil
- Prior art date
Links
- 238000012544 monitoring process Methods 0.000 title description 4
- 238000002347 injection Methods 0.000 title 1
- 239000007924 injection Substances 0.000 title 1
- 239000000126 substance Substances 0.000 title 1
- 239000000654 additive Substances 0.000 description 23
- 230000000996 additive effect Effects 0.000 description 20
- 230000015572 biosynthetic process Effects 0.000 description 11
- 239000012530 fluid Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 5
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
- E21B37/06—Methods or apparatus for cleaning boreholes or wells using chemical means for preventing, limiting or eliminating the deposition of paraffins or like substances
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
- E21B41/02—Equipment or details not covered by groups E21B15/00 - E21B40/00 in situ inhibition of corrosion in boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/0318—Processes
- Y10T137/0391—Affecting flow by the addition of material or energy
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7758—Pilot or servo controlled
- Y10T137/7759—Responsive to change in rate of fluid flow
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7758—Pilot or servo controlled
- Y10T137/7761—Electrically actuated valve
Description
Patentkrav 1. System til overvågning og styring af tilledning af et additiv, som tilføres et formationsfluidum, der er opsamlet fra en brøndboring, omfattende: (a) en strømningsstyringsindretning for tilledning af et udvalgt additiv fra en kilde derfor ved brøndlokaliteten til formationsfluidet; (b) en strømningsmåler for tilvejebringelse af et signal, som er repræsentativt for strømningshastigheden af det valgte additiv, der fremføres til formationsfluidet; (c) en første lokal styreenhed, der modtager signalerne fra strømningsmåleren, og på basis heraf bestemmelse af strømningshastigheden, hvor den første lokale styreenhed transmitterer signaler, som er repræsentative for strømningshastigheden til en fjernlokalitet; og (d) en sekundær fjernstyreenhed på fjernlokaliteten, som modtager signaler, der transmitteres af den første styreenhed og som svar derpå transmitterer kommandosignaler til den første styreenhed, som er repræsentative for en ønsket ændring i strømningshastigheden af det valgte additiv; kendetegnet ved, at den første lokale styreenhed foranlediger strømningsstyreenheden til at ændre strømningshastigheden af det valgte additiv som svar på kommandosignalerne. 2. System ifølge krav 1, kendetegnet ved, at den første lokale styreenhed omfatter et display, som viser i det mindste strømningshastigheden for det valgte additiv, der fremføres til formationsfluidet. 3. System ifølge krav 1, kendetegnet ved, at additivet fremføres til en blandt (a) en udvalgt lokalitet i brøndboringen eller (b) en carbonhydridprocesen-hed, som forarbejder formationsfluidet på brøndlokaliteten. 4. System ifølge krav 1, kendetegnet ved, at strømningsmåleren er en strømningsmåler af positivforskydningstypen . 5. System ifølge krav 1, kendetegnet ved yderligere at omfatte et program, som er forbundet med den første lokale styreenhed, hvormed den lokale styreenhed bliver i stand til at udføre en flerhed af funktioner ombord. 6. System ifølge krav 5, kendetegnet ved, at flerheden af funktioner omfatter mindst en blandt (i) bestemmelse af forskellen mellem mængden af tilført additiv og en forud fastlagt, ønsket mængde, (ii) kalibrering af strømningsstyreenheden, og (iii) periodisk polling (sendeinvitation) af strømingsmåleren. 7. System ifølge krav 1, kendetegnet ved, at den første lokale styreenhed er programmerbar (i) på brøndlokaliteten eller (ii) ved den sekundære fjernstyreenhed . 8. System ifølge krav 1, kendetegnet ved yderligere at omfatte et databasehåndteringssystem forbundet med den sekundære fjernstyreenhed. 9. System ifølge krav 8, kendetegnet ved, at den sekundære fjernstyreenhed er indrettet til at kommunikere med en flerhed af computere via et netværk. 10. System ifølge krav 1, kendetegnet ved, at strømningsmåleren er en blandt (i) en elektrisk pumpe eller (ii) en pneumatisk pumpe. 11. System ifølge krav 1, kendetegnet ved yderligere at omfatte mindst en sensor, som tilvejebrin-ger en måling af et karakteristikum af formationsfluidet. 12. System ifølge krav 11, kendetegnet ved, at systemet ændrer tilledningen af det valgte additiv som svar på det målte karakteristikum. 13. System til overvågning og styring af tilledningen af additiver til en flerhed af pumper, kendetegnet ved, at systemet yderligere omfatter: (a) en forsyningslinie og en strømningskontrolindretning forbundet med hver af flerheden af brønde; (b) en strømningsmåler i hver forsyningslinie, som måler en parameter, der er indikativ for strømningshastigheden af et additiv, som fremføres til en tilsvarende brønd, hvor hver strømningsmåler genererer signaler, der er in- dikative for en strømningshastighed for det additiv, der er leveret til dens tilsvarende brønd; og (c) en første lokal styreenhed modtager signaler fra hver af strømningsmålerne og transmitterer signaler, som er repræsentative for strømningshastigheden for hver brønd til en sekundær fjernstyreenhed, der som svar på de af den første, lokale styreenhed transmitterede signaler transmitterer kommandosignaler til den første, lokale styreenhed, hvilke signaler er repræsentative for en ønsket ændring i strømningshastigheden af de additiver, der fremføres til hver brønd. 14. System ifølge krav 13, kendetegnet ved, at additivet injiceres i hver brønd i forud fastlagte dybder. 15. Fremgangsmåde til - på en brøndlokalitet - at overvåge tilledningen af additiver til formationsfluid opsamlet gennem en brøndboring samt styring af tilledningen fra en fjern lokalitet, hvilken fremgangsmåde er k ende-tegnet ved, at omfatte: (a) styring af strømningshastigheden af tilledningen af et valgt additiv fra en kilde derfor ved brøndlokaliteten og til formationsfluidet via en forsyningslinie; (b) måling af en parameter, som er indikativ for strømningshastigheden af det til formationsfluidet leverede additiv og dannelse af et signal, som er indikativt for strømningshastigheden; (c) modtagelse - på brøndlokaliteten - af det signal, som var indikativt for strømningshastigheden, og transmission af et signal, som er repræsentativt for strømningshastigheden til fjernlokaliteten; og (d) modtagelse - ved fjernlokaliteten - af signaler transmitteret fra brøndlokaliteten og som svar herpå transmittering af kommandosignaler til brøndlokaliteten, hvilke kommandosignaler er repræsentative for en ønsket ændring i strømningshastigheden af det tilledte additiv; og (e) styring af strømningshastigheden af additivet som svar på kommandosignalerne. 16. Fremgangsmåde ifølge krav 15, kendetegnet ved yderligere at omfatte visning - på brøndlokaliteten - af strømningshastigheden af det til formationsfluidet tilledte additiv. 17. Fremgangsmåde ifølge krav 16, kendetegnet ved yderligere at omfatte en indretning til manuel omgåelse af styringen af strømningshastigheden af additivtilledningen ved udførelse af en funktion, der udvælges blandt (1) fastlæggelse af en strømningshastighed for additivet, (ii) fastlæggelse af et interval for tilladelige værdier for strømningshastigheden af additivet, og (iii) kombinationer deraf.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US21806798A | 1998-12-21 | 1998-12-21 | |
US15317599P | 1999-09-10 | 1999-09-10 | |
PCT/US1999/030448 WO2000037770A1 (en) | 1998-12-21 | 1999-12-17 | Closed loop chemical injection and monitoring system for oilfield operations |
Publications (1)
Publication Number | Publication Date |
---|---|
DK200100934A true DK200100934A (da) | 2001-08-13 |
Family
ID=26850249
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK200100934A DK200100934A (da) | 1998-12-21 | 2001-06-15 | Kemisk injektion med lukket maske samt overvågningssystem til brug ved drift af oliefelter |
Country Status (9)
Country | Link |
---|---|
US (1) | US6851444B1 (da) |
AU (1) | AU778363B2 (da) |
BR (1) | BR9916388A (da) |
CA (1) | CA2353900C (da) |
DK (1) | DK200100934A (da) |
GB (1) | GB2361730B (da) |
MX (1) | MXPA01006122A (da) |
NO (1) | NO322416B1 (da) |
WO (1) | WO2000037770A1 (da) |
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-
1999
- 1999-12-17 MX MXPA01006122A patent/MXPA01006122A/es active IP Right Grant
- 1999-12-17 GB GB0113475A patent/GB2361730B/en not_active Expired - Lifetime
- 1999-12-17 BR BR9916388A patent/BR9916388A/pt not_active Application Discontinuation
- 1999-12-17 CA CA 2353900 patent/CA2353900C/en not_active Expired - Lifetime
- 1999-12-17 AU AU22018/00A patent/AU778363B2/en not_active Expired
- 1999-12-17 WO PCT/US1999/030448 patent/WO2000037770A1/en active IP Right Grant
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2000
- 2000-09-11 US US09/658,907 patent/US6851444B1/en not_active Expired - Lifetime
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2001
- 2001-06-15 DK DK200100934A patent/DK200100934A/da not_active Application Discontinuation
- 2001-06-19 NO NO20013032A patent/NO322416B1/no not_active IP Right Cessation
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US6851444B1 (en) | 2005-02-08 |
MXPA01006122A (es) | 2002-03-27 |
AU778363B2 (en) | 2004-12-02 |
BR9916388A (pt) | 2001-11-06 |
AU2201800A (en) | 2000-07-12 |
WO2000037770A1 (en) | 2000-06-29 |
GB2361730B (en) | 2003-05-07 |
NO20013032L (no) | 2001-06-19 |
CA2353900C (en) | 2005-03-08 |
GB0113475D0 (en) | 2001-07-25 |
NO322416B1 (no) | 2006-10-02 |
CA2353900A1 (en) | 2000-06-29 |
GB2361730A (en) | 2001-10-31 |
NO20013032D0 (no) | 2001-06-19 |
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AHS | Application shelved for other reasons than non-payment |