CA2173699A1 - Casing conveyed perforator - Google Patents
Casing conveyed perforatorInfo
- Publication number
- CA2173699A1 CA2173699A1 CA002173699A CA2173699A CA2173699A1 CA 2173699 A1 CA2173699 A1 CA 2173699A1 CA 002173699 A CA002173699 A CA 002173699A CA 2173699 A CA2173699 A CA 2173699A CA 2173699 A1 CA2173699 A1 CA 2173699A1
- Authority
- CA
- Canada
- Prior art keywords
- casing
- explosives
- pistons
- detonator
- housed
- 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.)
- Granted
Links
- 239000002360 explosive Substances 0.000 abstract 4
- 230000015572 biosynthetic process Effects 0.000 abstract 3
- 239000012530 fluid Substances 0.000 abstract 2
- 230000004913 activation Effects 0.000 abstract 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
- 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
- E21B43/26—Methods for stimulating production by forming crevices or fractures
- E21B43/263—Methods for stimulating production by forming crevices or fractures using explosives
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)
- Portable Nailing Machines And Staplers (AREA)
- Earth Drilling (AREA)
Abstract
A wellbore completion system utilizes casing conveyed devices to establish a fluid communication path between a downhole formation and the casing string.
Extendible pistons are mounted in the wall of the casing pipe string and are extended toward contact with the downhole formation after the casing is set. An explosive device is mounted in the pistons and includes a detonator and a shaped charge. The detonator is housed in a plug threaded into one end of the piston. The shaped charge is housed in a canister conveniently inserted into the other end of the piston. The explosives included in the system may thus be conveniently assembled at the well site.
Explosives in the pistons are activated by a separately conveyed activation system which produces a pressure wave to detonate the explosives and establish fluid communication between the casing and formation.
Extendible pistons are mounted in the wall of the casing pipe string and are extended toward contact with the downhole formation after the casing is set. An explosive device is mounted in the pistons and includes a detonator and a shaped charge. The detonator is housed in a plug threaded into one end of the piston. The shaped charge is housed in a canister conveniently inserted into the other end of the piston. The explosives included in the system may thus be conveniently assembled at the well site.
Explosives in the pistons are activated by a separately conveyed activation system which produces a pressure wave to detonate the explosives and establish fluid communication between the casing and formation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002173699A CA2173699C (en) | 1996-04-09 | 1996-04-09 | Casing conveyed perforator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002173699A CA2173699C (en) | 1996-04-09 | 1996-04-09 | Casing conveyed perforator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2173699A1 true CA2173699A1 (en) | 1997-10-10 |
| CA2173699C CA2173699C (en) | 2001-02-27 |
Family
ID=4157935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002173699A Expired - Lifetime CA2173699C (en) | 1996-04-09 | 1996-04-09 | Casing conveyed perforator |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2173699C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6386288B1 (en) | 1999-04-27 | 2002-05-14 | Marathon Oil Company | Casing conveyed perforating process and apparatus |
| US8540027B2 (en) | 2006-08-31 | 2013-09-24 | Geodynamics, Inc. | Method and apparatus for selective down hole fluid communication |
-
1996
- 1996-04-09 CA CA002173699A patent/CA2173699C/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6386288B1 (en) | 1999-04-27 | 2002-05-14 | Marathon Oil Company | Casing conveyed perforating process and apparatus |
| US8540027B2 (en) | 2006-08-31 | 2013-09-24 | Geodynamics, Inc. | Method and apparatus for selective down hole fluid communication |
| US8684084B2 (en) | 2006-08-31 | 2014-04-01 | Geodynamics, Inc. | Method and apparatus for selective down hole fluid communication |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2173699C (en) | 2001-02-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |
Effective date: 20160411 |