CN2115396U - Guiding drilling tool with eccentric stabilizer - Google Patents
Guiding drilling tool with eccentric stabilizer Download PDFInfo
- Publication number
- CN2115396U CN2115396U CN 91210649 CN91210649U CN2115396U CN 2115396 U CN2115396 U CN 2115396U CN 91210649 CN91210649 CN 91210649 CN 91210649 U CN91210649 U CN 91210649U CN 2115396 U CN2115396 U CN 2115396U
- Authority
- CN
- China
- Prior art keywords
- eccentric
- eccentric stabilizer
- stabilizer
- drilling tool
- directional bond
- 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
Images
Abstract
The utility model relates to a guiding drilling tool with eccentric stabilizer used for oilfield or geology well drilling, comprising two part-an upper eccentric stabilizer and a lower eccentric stabilizer that respectively comprise a stabilizer body 1, 10, an eccentric stabilizer slice 2, an upper upright body 7, a lower upright body 3, a directional key sleeve, a directional key 6, a stop key 1, an upper check ring 11 and a lower check ring, and a position screw 5, 13, etc. The tool has strong adaptability, and it not only can be suitable to straight well, but also to the building angle construction, the hold angle construction and the drop angle construction of a directional well and a horizontal well. The rate of build of the tool is high, and the renewal of the upper and lower eccentric stabilizer is convenient. The times of making a trip are substantially reduced by making use of the tool, and the drilling rate is enhanced, and the pronounced economic benefit is gained.
Description
The utility model relates to a kind of eccentric stabilizer guide drilling tool that is used for oil or geological drilling.
At present, the common screw drilling tool that uses in the drilling process itself does not have the deflection characteristic, so do not add deflecting, hold angle and drop angle construction that the deflection annex just can not be used for directional well, horizontal well in addition.Even on existing common screw drilling tool, the bent sub with deflection function has been installed, also only can be used for deflecting and proofread and correct the orientation, can not bore hold angle and drop angle section, thereby need in the construction to pull out of hole to change drill string assembly, make drilling cost increase.
Task of the present utility model is to provide a kind of eccentric stabilizer guide drilling tool, this kind instrument applicability is strong, not only can be used for straight well, also can be used for deflecting, hold angle and the drop angle construction of directional well, horizontal well, can overcome the deficiency of existing drilling tool, obtain good economic benefit.
The utility model is to realize like this.It comprises upper and lower eccentric stabilizer two parts, last eccentric stabilizer by stablize body 1, eccentric stabilizer sheet 2, upper and lower centralizer body 7,3, directional bond cover 4, directional bond 6, dog screw 5 is formed; Following eccentric stabilizer is formed by stablizing body 10, upper and lower back-up ring 11,8, locking key 12, hold-down screw 9,13 and hard alloy blocks 14.Be welded with on the stable body 1 of last eccentric stabilizer that welding-on has hard alloy blocks on 3 spirality eccentric stabilizer sheet 2(eccentric stabilizer sheets), stablize body 1 interior device directional bond cover 4 is arranged, in the directional bond cover 4 directional bond 6 is housed, upper and lower upper and lower centralizer body 7,3 is housed respectively, directional bond 6 is by dog screw 3 location and fastening with stable body 1.Be welded with hard alloy blocks 14 on the stable body 10 eccentric ribs of following eccentric stabilizer, its opening is fastening with 4 staples 13, locking key 12(is housed in the inner hole key slot is divided into 4 sections), it is upper and lower to be equipped with upper and lower back-up ring 11,8 respectively, have 6 hold-down screws 9 fixing, the lower end is connected with helicoid hydraulic motor lower bearing housing.Will the upper and lower eccentric stabilizer two parts of the utility model and the assembling of common screw drilling tool after can in construction, use, sequence (from top to bottom) is: go up eccentric stabilizer, bypass valve, screw rod body, bear box, eccentric stabilizer, bearing mandrel, drill bit down.Should note selecting suitable direction when installing eccentric stabilizer, make the eccentric rib of upper and lower eccentric stabilizer differ 180 °, its angular deviation is controlled between 10-35 °.
The utility model is a kind of guide drilling tool with upper and lower eccentric stabilizer, is applicable to that diameter is the well of 215-444.5mm, is characterized in the build angle rate height, and compliance is strong, and upper and lower eccentric stabilizer is changed convenient.Utilize the special guide drilling tool of this kind to reduce the number of times that makes a trip significantly, improve drilling speed, thereby obtain remarkable economic efficiency than common directed drilling tool.
Fig. 1 is an eccentric stabilizer structural representation on the utility model.
Fig. 2 is the A-A sectional drawing of Fig. 1.
Fig. 3 is an eccentric stabilizer structural representation under the utility model.
Fig. 4 is the A-A sectional drawing of Fig. 3.
Fig. 5 is the another kind of structural representation of eccentric stabilizer under the utility model.
Fig. 6 is the lateral view of Fig. 5.
Below in conjunction with accompanying drawing enforcement of the present utility model is described further.
On the utility model in the eccentric stabilizer, stablize the thick cyclinder that body 1 does not wait for external diameter 178mm, internal diameter, with doing modifier treatment after the 35CrMo forging system, hardness HB260-280, its upper and lower end car respectively has drilling rod yin, yang screw thread, and the directional bond fixing threaded hole is left on top; Eccentric stabilizer sheet 2 twist, dextrorotation, 65 ° of lead angles, circle decentraction in its cylindrical and the stable body 1, eccentric throw 10-30mm, material is 35CrMo, is soldered to stablize on the body groove milling seting welding carbide piece after the shaping; The disc that upper and lower centralizer body 7,3 is with a step has 6 through holes (circulating mud is used) of being with radians on the disk, an end band pin thread is in order to be connected with directional bond cover 4, and material is the 45# steel; Directional bond overlaps 4 middle part band keyways, the negative thread that two ends band and centralizer body match, material 45# steel; Directional bond 6 is " T " font, quenches in material 30CrMo steel processing back; Dog screw 5 head bands fluting, thread head is 45 ° of wedge angles, material 45# steel.In the following eccentric stabilizer, stablizing body 10 is the eccentric sleeve of stablizing rib of band of a side opening, make by the 35CrMo steel, circle decentraction in eccentric rib cylindrical and the stable body 10, eccentric throw 10-30mm, the edge surface welding-on has carbide alloy 14, leaves 3 not equidistant stop keyways on the eccentric stabilizer body inner headed face; Locking key 12 is a strip, and it is trapezoidal that section is, and with processing of 35CrMo steel and quenching, it plays transmission and stablizes body 10 moment of frictions; Upper and lower back-up ring 11,8 materials are the 45# steel, last back-up ring 11 usefulness welding manners are fixed on the screw drilling tool motor bear box, scurry on the stabilizer body 10 preventing, are evenly equipped with 6 ∮ 14 screws on the following back-up ring 8, fastening in order to penetrate hold-down screw 9 with bear box, stop and stablize down play of body 10; Hold-down screw 9,13 materials are the 35CrMo steel.Following eccentric stabilizer also can adopt fixed (Fig. 5) except that adopting above-mentioned adjustable structure (Fig. 3).When adopting fixed down eccentric stabilizer, directly adding 3 surperficial welding-ons of weldering on the motor bearing housing has that the strip of hard alloy blocks is eccentric to be stablized rib and get final product.
Claims (4)
1, a kind of eccentric stabilizer guide drilling tool that is used for oil or geological drilling, comprise upper and lower eccentric stabilizer two parts, last eccentric stabilizer by stablize body 1, eccentric stabilizer sheet 2, upper and lower centralizer body 7,3, directional bond cover 4, directional bond 6, dog screw 5 is formed; Following eccentric stabilizer is formed by stablizing body 10, upper and lower back-up ring 11,8, locking key 12, hold-down screw 9,13 and hard alloy blocks 14; It is characterized in that:
A) upward be welded with the spirality eccentric stabilizer sheet 2 that 3 welding-ons have hard alloy blocks on the stable body 1 of eccentric stabilizer, stablize body 1 interior device directional bond cover 4 is arranged, in the directional bond cover 4 directional bond 6 is housed, upper and lower upper and lower centralizer body 7,3 is housed respectively, directional bond 6 is by dog screw 5 location and fastening with stable body 1;
B) be welded with hard alloy blocks 14 on the stable body 10 eccentric ribs of eccentric stabilizer down, its opening is fastening with 4 hold-down screws 13, locking key 12 (being divided into 4 sections) is housed in the inner hole key slot, and it is upper and lower to be equipped with upper and lower back-up ring 11,8 respectively, fixing with 6 hold-down screws 9.
2, eccentric stabilizer guide drilling tool according to claim 1, it is characterized in that, stablize 1 thick cyclinder that does not wait for internal diameter on the body, with modifier treatment after the 35CrMo forging system, its upper and lower end car respectively has drilling rod yin, yang screw thread, and the directional bond fixing threaded hole is left on top.
3, eccentric stabilizer guide drilling tool according to claim 1 is characterized in that, eccentric stabilizer sheet 2 twist, 65 ° of dextrorotation, lead angles, circle decentraction in its cylindrical and the stable body 1, eccentric throw 10-30mm, surperficial welding-on has hard alloy blocks.
4, eccentric stabilizer guide drilling tool according to claim 1, it is characterized in that stabilizing device 10 is the sleeve of the eccentric rib of band of a side opening, eccentric throw 10-30mm, the edge surface welding-on has hard alloy blocks, and 3 not equidistant stop keyways are arranged on the inner headed face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91210649 CN2115396U (en) | 1991-05-27 | 1991-05-27 | Guiding drilling tool with eccentric stabilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91210649 CN2115396U (en) | 1991-05-27 | 1991-05-27 | Guiding drilling tool with eccentric stabilizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2115396U true CN2115396U (en) | 1992-09-09 |
Family
ID=4919423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91210649 Granted CN2115396U (en) | 1991-05-27 | 1991-05-27 | Guiding drilling tool with eccentric stabilizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2115396U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104903536A (en) * | 2013-02-06 | 2015-09-09 | 哈里伯顿能源服务公司 | Systems and methods for rotationally orienting a whipstock assembly |
-
1991
- 1991-05-27 CN CN 91210649 patent/CN2115396U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104903536A (en) * | 2013-02-06 | 2015-09-09 | 哈里伯顿能源服务公司 | Systems and methods for rotationally orienting a whipstock assembly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102369336B (en) | Downhole drill assembly | |
| WO2006110461A3 (en) | Drilling with casing | |
| CN101037927B (en) | Rotary pushing type guiding drilling tool | |
| CN103114812A (en) | Diamond compact annular concentric simultaneous casing drilling bit and working method thereof | |
| US7690443B2 (en) | Apparatus, system, and method for casing hole formation in radial drilling operations | |
| CN201053294Y (en) | Rotary pushing type guiding drilling tool | |
| CN209556932U (en) | A kind of rotary digging enters rock hammering drill bit | |
| CN2115396U (en) | Guiding drilling tool with eccentric stabilizer | |
| CN2663641Y (en) | Control device for guiding drilling well | |
| EP0554977A1 (en) | Stabilisation devices for drill motor | |
| US4003442A (en) | Detachable drill bit for impact drilling | |
| CN215213552U (en) | Anchor rod with adjusting function | |
| EP0752046B1 (en) | Stabilisation devices for drill motors | |
| CN200946458Y (en) | Combined slanting-proof quick-drilling utensil | |
| CN209606129U (en) | A kind of drill core paleomagnetism cutting sampling device | |
| CN2718196Y (en) | Whipstock for window cutting side drilling | |
| CN2080987U (en) | Forcedly guiding whipstock | |
| CN216713028U (en) | Auxiliary pile column correcting device for petroleum drilling and piling | |
| CN217602592U (en) | Composite drill rod column | |
| CN2396174Y (en) | Bent anti-inclining joint for drilling well | |
| CN217582037U (en) | High-efficiency tunneling drill bit | |
| CN2615323Y (en) | Recoverable whipstock | |
| CN217666660U (en) | Twist drill | |
| CN214273523U (en) | Drill bit of inner pipe advanced rope coring drill | |
| CN2614257Y (en) | Well drilling guiding device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |