CN2753866Y - Drilling and milling composite drill bit - Google Patents
Drilling and milling composite drill bit Download PDFInfo
- Publication number
- CN2753866Y CN2753866Y CN 200420058519 CN200420058519U CN2753866Y CN 2753866 Y CN2753866 Y CN 2753866Y CN 200420058519 CN200420058519 CN 200420058519 CN 200420058519 U CN200420058519 U CN 200420058519U CN 2753866 Y CN2753866 Y CN 2753866Y
- Authority
- CN
- China
- Prior art keywords
- drill bit
- bore
- utility
- model
- oil
- 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
- 239000002131 composite material Substances 0.000 title claims description 10
- 238000005553 drilling Methods 0.000 title claims description 4
- 238000003801 milling Methods 0.000 title 1
- 239000011435 rock Substances 0.000 claims abstract description 6
- 239000004568 cement Substances 0.000 claims abstract description 5
- 239000002184 metal Substances 0.000 claims abstract description 4
- 241001074085 Scophthalmus aquosus Species 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 4
- 229910001315 Tool steel Inorganic materials 0.000 claims description 3
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 239000003129 oil well Substances 0.000 abstract description 3
- 239000007787 solid Substances 0.000 abstract description 2
- 150000001875 compounds Chemical class 0.000 abstract 2
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 239000011148 porous material Substances 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model provides a bore and mill compound drill bit, comprises drill bit body 1, preceding sword tool bit 2, side sword tool bit 3, the utility model discloses owing to adopt the bipyramid drill bit of three swords two, can cut the metal when advancing to bore, can drill rock and well cementation cement ring again, can restore in order to bore good punchhole inner arm when moving back to bore. This compound drill bit is that can pass oil well casing solid, well cement ring and rock at the oil reservoir position in the pit, drills out the diameter and is 20-25 mm, goes deep into the oil reservoir and is not less than the special instrument in 2 m's draining pore, the utility model relates to a novelty, simple structure, the dependable performance bores the aperture and is smooth neat. The oil drainage area is greatly improved, and the aperture is large; the distance of penetrating through the oil layer is long; the process technology is advanced, and the construction method is reliable; the cost is low; is very suitable for being popularized and applied on site.
Description
Technical field:
The utility model relates to the downhole tool that uses on a kind of oil well, and particularly a kind of brill mills composite drill bit.
Background technology:
What generally adopt at present is that water conservancy spraying technique brill mills draining hole, down-hole, and drainage area and aperture are little; Pass oil reservoir apart from weak point; Construction is complicated; The expense height; The duct that forms is irregular; Construction pollution is arranged.
Technical scheme
The purpose of this utility model is to provide a kind of brill to mill composite drill bit, uses this special composite drill bit to bore and mills draining hole, down-hole, can get out the hole that diameter is 20-25mm, gos deep into the draining duct that oil reservoir is not less than 2m.Drainage area improves greatly, mainly is that the aperture is big; Pass the oil reservoir distance; Technology advanced person, job practices is reliable; Expense is low; The duct that forms is neat; Cleaning; No construction pollution.
The utility model purpose is to realize like this, it is made up of bit body (1), front edge cutter head (2), side edge cutter head (3), front end at bit body (1) evenly is welded with three lobe front edge cutter heads (2), evenly is welded with three lobe side edge cutter heads (3) on the preceding side edge of bit body (1).
The utility model is owing to adopt the bicone drill bit of three swords, two cuttves, can cutting metal when advancing to bore, again can drilling rock and cementing concrete ring, and move back the eyelet inner arm that can repair when boring to bore.This composite drill bit is meant can be at the oil reservoir position of down-hole, passes that oil well casing is solid, well cement sheath and rock, and getting out diameter is 20-25mm, gos deep into a kind of special instrument that oil reservoir is not less than the draining duct of 2m.The utility model is novel in design, and is simple in structure, dependable performance, and it is smooth neat to bore the aperture.Drainage area improves greatly, mainly is that the aperture is big; Pass the oil reservoir distance; Technology advanced person, job practices is reliable; Expense is low; Be well suited for field popularization application.
Description of drawings
Accompanying drawing is a structural representation of the present utility model.
The utility model is described in further detail below in conjunction with accompanying drawing.
Embodiment
As shown in the figure, the utility model is made up of bit body 1, front edge cutter head 2, side edge cutter head 3, evenly is welded with three lobe front edge cutter heads 2 at the front end of bit body 1, evenly is welded with three lobe side edge cutter heads 3 on the preceding side edge of bit body 1.
Front edge cutter head 2 adopts high-speed tool steel (9CrSi) tool steel material of cutting metal, and grinding has a certain degree and is welded on the front edge of bit body.
Side edge cutter head 3 adopts hard alloy steel (YG9) the material grinding of drilling cement and rock to have a certain degree and is welded on the preceding side edge of bit body.
Bit body 1 adopts 45 steel, the method machine-shaping of employing machining.Then that its grinding is good all kinds of cutter heads are welded on the bit body.
Claims (4)
1, a kind of brill mills composite drill bit, it is made up of bit body (1), front edge cutter head (2), side edge cutter head (3), it is characterized in that: the front end at bit body (1) evenly is welded with three lobe front edge cutter heads (2), evenly is welded with three lobe side edge cutter heads (3) on the preceding side edge of bit body (1).
2, a kind of brill according to claim 1 mills composite drill bit, it is characterized in that: front edge cutter head (2) adopts the high-speed tool steel 9CrSi material of cutting metal, becomes angular type.
3, a kind of brill according to claim 1 mills composite drill bit, it is characterized in that: side edge cutter head (3) adopts the hard alloy steel YG9 material of drilling cement and rock, becomes angular type.
4, a kind of brill according to claim 1 mills composite drill bit, it is characterized in that: bit body (1) is made with 45 steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420058519 CN2753866Y (en) | 2004-12-09 | 2004-12-09 | Drilling and milling composite drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420058519 CN2753866Y (en) | 2004-12-09 | 2004-12-09 | Drilling and milling composite drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2753866Y true CN2753866Y (en) | 2006-01-25 |
Family
ID=35925974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420058519 Expired - Lifetime CN2753866Y (en) | 2004-12-09 | 2004-12-09 | Drilling and milling composite drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2753866Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101041190B (en) * | 2006-03-22 | 2010-11-03 | 日本工程株式会社 | Drill, wall protector and drilling method |
-
2004
- 2004-12-09 CN CN 200420058519 patent/CN2753866Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101041190B (en) * | 2006-03-22 | 2010-11-03 | 日本工程株式会社 | Drill, wall protector and drilling method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205895148U (en) | Roll and protect footpath PDC drill bit | |
| CN203081445U (en) | Polycrystalline diamond rotary digging machine cutting pick | |
| CN201162493Y (en) | Bidirectional drill-following reamer blade | |
| CN201794592U (en) | Cutter of shield machine | |
| CN203452651U (en) | Strong cone PDC (Polycrystalline Diamond Compact) vibration reduction acceleration drill bit | |
| CN102022084B (en) | Compound single cone bit | |
| CN204163632U (en) | A kind of guiding drifting instrument | |
| CN2753866Y (en) | Drilling and milling composite drill bit | |
| CN2846717Y (en) | Workover finding and reaming angle top grind shoe | |
| CN202249879U (en) | Double-layer sleeve windowing whipstock | |
| CN210422477U (en) | Diamond compact bit | |
| CN211851674U (en) | Novel cone-PDC composite drill bit | |
| CN202900052U (en) | Double-acting ultrahard strong lateral-cutting window-opening drill bit with composite teeth | |
| CN2777176Y (en) | Anti-seizing drilling machine for underground boring | |
| CN2625559Y (en) | PDC reaming drill | |
| CN2325504Y (en) | Geological cutting drill bit | |
| CN201415276Y (en) | Deep hole expanding drill | |
| CN206600147U (en) | A kind of drilling rod for frozen soil/firm hard formation | |
| CN111088949A (en) | Novel cone-PDC composite drill bit | |
| CN202266220U (en) | Ultra-hard inclined plane special for window cutting of sleeve | |
| CN221119873U (en) | Bidirectional scratching centralizer | |
| CN2744822Y (en) | Safety locking device for hole-enlarging tool for drilling | |
| CN2811549Y (en) | Downhole milling and drilling tools | |
| CN2718210Y (en) | Efficient grinding and milling tool | |
| CN2150322Y (en) | Steel-body PDC drilling-bit with two core |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20141209 Granted publication date: 20060125 |