CA2462412C - Perforation a commande hydraulique avec evacuation continue des deblais - Google Patents
Perforation a commande hydraulique avec evacuation continue des deblais Download PDFInfo
- Publication number
- CA2462412C CA2462412C CA002462412A CA2462412A CA2462412C CA 2462412 C CA2462412 C CA 2462412C CA 002462412 A CA002462412 A CA 002462412A CA 2462412 A CA2462412 A CA 2462412A CA 2462412 C CA2462412 C CA 2462412C
- Authority
- CA
- Canada
- Prior art keywords
- injection port
- wellbore
- downhole
- perforating gun
- tubing string
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000012530 fluid Substances 0.000 claims abstract description 68
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 51
- 238000002347 injection Methods 0.000 claims abstract description 46
- 239000007924 injection Substances 0.000 claims abstract description 46
- 230000002706 hydrostatic effect Effects 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims description 36
- 230000008569 process Effects 0.000 claims description 18
- 239000004620 low density foam Substances 0.000 claims description 4
- 238000010304 firing Methods 0.000 abstract description 8
- 238000005755 formation reaction Methods 0.000 description 44
- 238000004519 manufacturing process Methods 0.000 description 19
- 239000004576 sand Substances 0.000 description 9
- 239000006260 foam Substances 0.000 description 7
- 229930195733 hydrocarbon Natural products 0.000 description 5
- 150000002430 hydrocarbons Chemical class 0.000 description 5
- 230000000638 stimulation Effects 0.000 description 5
- 238000005553 drilling Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 description 2
- 229910052683 pyrite Inorganic materials 0.000 description 2
- 239000011028 pyrite Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 235000015076 Shorea robusta Nutrition 0.000 description 1
- 244000166071 Shorea robusta Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
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- 230000001186 cumulative effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000010006 flight Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
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- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
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- 230000000149 penetrating effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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
- E21B37/08—Methods or apparatus for cleaning boreholes or wells cleaning in situ of down-hole filters, screens, e.g. casing perforations, or gravel packs
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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
- E21B43/11—Perforators; Permeators
- E21B43/116—Gun or shaped-charge perforators
- E21B43/1185—Ignition systems
- E21B43/11852—Ignition systems hydraulically actuated
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
Des ouvertures sont créées entre un puits et une formation par mise à feu d'un perforateur attenant à une zone de perforation dans la formation et les débris sont déblayés. Un tube de production s'étendant jusqu'à la formation est pressurisé à une première pression pour activer le perforateur. Une seconde pression plus élevée est appliquée pour activer une chambre d'injection de fond de trou. En grande partie immédiatement après, les fluides sont injectés dans le puits près des ouvertures et circulent jusqu'à la surface pour le déblaiement des débris. Une chambre d'injection facultative pour foration montante peut être utilisée pour régler la charge hydrostatique au-dessus du perforateur avec le retrait ou l'ajout de fluide. Le tube de production s'étend suffisamment au-dessus du puits à la surface pour permettre d'abaisser la chambre d'injection de fond de trou sous les ouvertures pendant la circulation du fluide pour un déblaiement optimisé des débris.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002462412A CA2462412C (fr) | 2004-03-30 | 2004-03-30 | Perforation a commande hydraulique avec evacuation continue des deblais |
| CA002487878A CA2487878C (fr) | 2004-03-30 | 2004-11-18 | Perforation a commande hydraulique avec circulation automatique des fluides pour production du puits et enlevement immediats des debris |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002462412A CA2462412C (fr) | 2004-03-30 | 2004-03-30 | Perforation a commande hydraulique avec evacuation continue des deblais |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2462412A1 CA2462412A1 (fr) | 2005-09-30 |
| CA2462412C true CA2462412C (fr) | 2009-04-28 |
Family
ID=35006223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002462412A Expired - Fee Related CA2462412C (fr) | 2004-03-30 | 2004-03-30 | Perforation a commande hydraulique avec evacuation continue des deblais |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2462412C (fr) |
-
2004
- 2004-03-30 CA CA002462412A patent/CA2462412C/fr not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA2462412A1 (fr) | 2005-09-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20220330 |