CA2204018C - Elargisseur a deux etages - Google Patents
Elargisseur a deux etages Download PDFInfo
- Publication number
- CA2204018C CA2204018C CA002204018A CA2204018A CA2204018C CA 2204018 C CA2204018 C CA 2204018C CA 002204018 A CA002204018 A CA 002204018A CA 2204018 A CA2204018 A CA 2204018A CA 2204018 C CA2204018 C CA 2204018C
- Authority
- CA
- Canada
- Prior art keywords
- blades
- retracted
- underreamer
- piston portion
- tool
- 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 - Lifetime
Links
- 238000003860 storage Methods 0.000 claims abstract description 10
- 239000012530 fluid Substances 0.000 claims description 22
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 239000010432 diamond Substances 0.000 abstract description 22
- 229910003460 diamond Inorganic materials 0.000 abstract description 15
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 abstract description 11
- 229910000831 Steel Inorganic materials 0.000 abstract description 6
- 239000010959 steel Substances 0.000 abstract description 6
- 230000000712 assembly Effects 0.000 abstract description 5
- 238000000429 assembly Methods 0.000 abstract description 5
- 239000011159 matrix material Substances 0.000 abstract description 3
- QXZUUHYBWMWJHK-UHFFFAOYSA-N [Co].[Ni] Chemical compound [Co].[Ni] QXZUUHYBWMWJHK-UHFFFAOYSA-N 0.000 abstract 1
- 239000000463 material Substances 0.000 description 16
- 238000005553 drilling Methods 0.000 description 7
- 230000007704 transition Effects 0.000 description 7
- 238000005520 cutting process Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005219 brazing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- YCOASTWZYJGKEK-UHFFFAOYSA-N [Co].[Ni].[W] Chemical compound [Co].[Ni].[W] YCOASTWZYJGKEK-UHFFFAOYSA-N 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 210000001364 upper extremity Anatomy 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
- E21B10/00—Drill bits
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/56—Button-type inserts
- E21B10/567—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
-
- 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
- E21B10/00—Drill bits
- E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
- E21B10/32—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools
- E21B10/322—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools cutter shifted by fluid pressure
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
-
- 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
- E21B47/00—Survey of boreholes or wells
- E21B47/09—Locating or determining the position of objects in boreholes or wells, e.g. the position of an extending arm; Identifying the free or blocked portions of pipes
- E21B47/095—Locating or determining the position of objects in boreholes or wells, e.g. the position of an extending arm; Identifying the free or blocked portions of pipes by detecting an acoustic anomalies, e.g. using mud-pressure pulses
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Geophysics (AREA)
- Acoustics & Sound (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Earth Drilling (AREA)
Abstract
Cet élargisseur à deux étages, utile dans un puits de forage souterrain, comprend un corps (2) d'un seul tenant pourvu de lames supérieures (5A, 5B) et inférieures (6A, 6B) montées dans des fentes (3, 4) pratiquées perpendiculairement les unes aux autres dans le corps. Des ensembles pistons supérieur et inférieur sont montés afin d'entraîner respectivement les lames (5A, 5B) et (6A, 6B) d'une configuration de repos dans laquelle ces lames sont logées pratiquement complètement dans les fentes (3, 4), à une position d'utilisation telle qu'illustrée sur la figure. De préférence, chaque lame comprend un bras de lame en acier sur lequel on a monté une base de matrice en tungstène, nickel, cobalt, dans laquelle on a encastré des diamants et/ou des éléments en carbure de tungstène. Une indication est donnée à la surface que les lames se trouvent dans la position déployée en chargeant la boue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002534754A CA2534754C (fr) | 1994-10-31 | 1995-10-31 | Outil d'alesage |
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9422022.5 | 1994-10-31 | ||
| GB9422022A GB9422022D0 (en) | 1994-10-31 | 1994-10-31 | Two stage underreamer |
| GBGB9505430.0A GB9505430D0 (en) | 1994-10-31 | 1995-03-17 | 2-stage underreamer |
| GB9505430.0 | 1995-03-17 | ||
| PCT/GB1995/002540 WO1996013648A1 (fr) | 1994-10-31 | 1995-10-31 | Elargisseur a deux etages |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002534754A Division CA2534754C (fr) | 1994-10-31 | 1995-10-31 | Outil d'alesage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2204018A1 CA2204018A1 (fr) | 1996-05-09 |
| CA2204018C true CA2204018C (fr) | 2006-08-01 |
Family
ID=36764282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002204018A Expired - Lifetime CA2204018C (fr) | 1994-10-31 | 1995-10-31 | Elargisseur a deux etages |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2204018C (fr) |
-
1995
- 1995-10-31 CA CA002204018A patent/CA2204018C/fr not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CA2204018A1 (fr) | 1996-05-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |
Effective date: 20151102 |