CN202467666U - Sapphire inner screw slurry guiding groove pulse type spiral complex drill bit for comprehensive drilling - Google Patents
Sapphire inner screw slurry guiding groove pulse type spiral complex drill bit for comprehensive drilling Download PDFInfo
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- CN202467666U CN202467666U CN2011204181328U CN201120418132U CN202467666U CN 202467666 U CN202467666 U CN 202467666U CN 2011204181328 U CN2011204181328 U CN 2011204181328U CN 201120418132 U CN201120418132 U CN 201120418132U CN 202467666 U CN202467666 U CN 202467666U
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- spiral
- inside spin
- drill bit
- guiding gutter
- complex
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Abstract
The utility model discloses a sapphire inner screw slurry guiding groove pulse type spiral complex drill bit for comprehensive drilling. The upper end of the center part of a drill bit thread joint is respectively provided with a first pulse chamber, and the lower end is provided with a second pulse chamber. The center part of a spiral body is respectively provided with a first cushion chamber, a second cushion chamber, an inner screw guiding groove, a plurality of spiral cutter edge bodies, an outer spiral cutter edge and an outer spiral guiding groove, and is welded with gauge teeth and welding teeth. The convex surface of the spiral cutter edge body is embedded and welded with a composite sheet and a complex body. A crown groove at the bottom of the recessed surface of the spiral cutter edge body is provided with spiral groove slurry outlets including a first inner screw nozzle outlet and a second inner screw nozzle outlet, which are disposed in non-linear arrangement with different amount and different models and specifications. The sapphire inner screw slurry guiding groove pulse type spiral complex drill bit for comprehensive drilling is advantageous in that the drill bit has good stability, impact resistance, wear resistance and toughness, and even force bearing; the insufficient transverse shear of the spiral complex drill bit can be compensated; the wearing of the drill bit due to complex stratum can be effectively resolved by internal and external combination; service lifetime of the drill bit can be prolonged and drilling times can be decreased.
Description
Technical field
The utility model relates to the drill bit that uses in geological prospecting, oil drilling, the construction of tunnel, is specifically related to the comprehensive Drilling bore bit of a kind of sapphire inside spin pulsed spiral complex.
Background technology
After the comprehensive Drilling bore bit of sapphire spiral complex (number of patent application is 201010276122.5) and the helicla flute swivel (201110125869.5) of my research and development come into operation in Shan, sweet, peaceful, illiteracy, Shanxi oil gas field oil drilling technology; Obtain this drill bit technology of digital proof through use and reached the effect of exceeding the time limit; Particularly the very strong Peng Telan lithosphere of abrasiveness there has been very big breakthrough; Rate of penetration and drilling quality have been increased substantially; And in another mouthful deep-well position in 3800 meters creep into, accounting logging shows that the rate of penetration and the mud prop-carrying capacity of drill bit is also very good.Through using, prove that according to the well data of nearly 30 mouthfuls of different depth wells of having grasped this drill bit technology can give current advanced rig supporting under formation condition on an equal basis fully.
But above-mentioned two patents are at the flow velocity of mud in the down-hole; The down-hole prop-carrying capacity, drill bit cooling lubricant effect, high-pressure slurry is to rock stratum moment impact; Broken rock transverse shear particularly uses on deep-well below 3200 meters and the ultradeep well below the 5000m and also has certain defective.
Summary of the invention
The purpose of the utility model provides on the comprehensive Drilling bore bit of the sapphire spiral complex basis of former invention; In conjunction with the existing characteristics of this drill bit, for vast geological prospecting, oil field oil development user provide the comprehensive Drilling bore bit of sapphire inside spin mud guiding gutter pulsed spiral complex that a kind of structure is reasonable more, technology is more comprehensive, easy to install, be useful for various stratum deep-well and ultradeep well.
In order to overcome the deficiency of prior art; The technical scheme of the utility model is to solve like this: the comprehensive Drilling bore bit of a kind of sapphire inside spin mud guiding gutter spiral complex; The first end of the screwed connection of this Drilling bore bit is connected with drilling rod; The other end is connected with the drill bit conveyor screw through the butt welding seam; Said screwed connection head has tool receptacle; The special character of the utility model is that said drill bit conveyor screw centre excavation has inside spin guiding gutter, a plurality of spirals road wing body, external spiral road wing body, external spiral guiding gutter and welds gauge teeth, welding tooth; Said spiral road wing body convex surface is inlayed and is welded with composite sheet, complex, and excavating respectively successively in the crown groove of said spiral road wing body concave bottom has model specification different, and quantity does not wait the helicla flute mud of non-linear arrangement to export the first inside spin jet expansion and the second inside spin jet expansion.
Said inside spin nozzle form is oval and circular two kinds.
The comprehensive Drilling bore bit of a kind of sapphire inside spin mud guiding gutter pulsed spiral complex; The first end of the screwed connection of this Drilling bore bit is connected with drilling rod; The other end is connected with the drill bit conveyor screw through the butt welding seam; Said screwed connection head has tool receptacle; The special character of the utility model be upper end, drill bit screwed connection centre respectively excavation have one-level impulse chamber, lower end excavation that the secondary impulse chamber is arranged; Said drill bit conveyor screw centre has been excavated first cushion chamber, second cushion chamber, inside spin guiding gutter, a plurality of spirals road wing body, external spiral road wing body, external spiral guiding gutter respectively and has been welded gauge teeth, welding tooth; Said spiral road wing body convex surface is inlayed and is welded with composite sheet, complex, and excavating respectively successively in the crown groove of said spiral road wing body concave bottom has model specification different, and quantity does not wait the helicla flute mud of non-linear arrangement to export the first inside spin jet expansion and the second inside spin jet expansion.
Described drill bit conveyor screw is made for the tungsten alloy steel.
Described drill teeth is cylindrical or taper or the non-linear cloth tooth of triangle.
Inlay the compact bit tooth and the gauge teeth of back welding in the described complex and arrange with geometric form, the byroad wing is arranged with non-geometric form.
Nozzle in the said drill bit conveyor screw is the inside spin nozzle of non-linear arrangement.
Said inside spin nozzle form is circular or oval.
The diameter of said inside spin nozzle is isometrical for not.
Said impulse chamber is shaped as annular or taper.
The utility model is compared with existing skill, after this drill bit increases inside spin mud guiding gutter and impulse chamber, cooperates external spiral complex and spiral nozzle to use; Can more effectively improve the rate of penetration of drill bit, the transverse shear in the time of in the exploration and development of deep-well and ultradeep well, playing the injection of raising and stable mud better makes brokenly rock power, takes the enhancing of sand power; Cross section cooling, lubricant effect strengthen; Pulling out of hole, it is little to promote resistance, to hard formation, to the layer of gravel of complicacy with to the very strong Peng Telan lithosphere of abrasiveness the stronger power of passing is arranged in creeping into; Basalt in deep-well and the ultradeep well, malmstone, quartzite there is lasting wear resistence, rising, boring number of times down and reduce to minimum.Further improved rate of penetration; Reduce the bit change-over number of times; The pit shaft of deepening gradually in stable the creeping into overcomes the characteristics that pure external spiral complex drill bit self weares and teares to the loss of mud transverse shear in to the lithosphere working angles, remedy the helicla flute injection stream; Cylinder bump lithosphere moment transverse shear defect of insufficient after mud forms prolongs drilling life of bit.Be widely used on deep-well below 3200 meters and the ultradeep well below the 5000m.
Description of drawings
Fig. 1 is the main TV structure sketch map of the utility model;
Fig. 2 is the leptospira structure sketch map of Fig. 1;
Fig. 3 looks up structural representation for Fig. 2 bizet;
Fig. 4 is the inside spin guiding gutter structural representation of Fig. 1;
Fig. 5 is the main TV structure sketch map of Fig. 4;
Fig. 6 is a conveyor screw structure for amplifying sketch map under the drill bit of Fig. 1;
Fig. 7 is no pulse chamber master's TV structure sketch map of the utility model;
Fig. 8 looks up structural representation for the bizet of Fig. 7.
The specific embodiment
Accompanying drawing is the embodiment of the utility model.
Below in conjunction with attaching summary of the invention is described further:
With reference to Fig. 1～shown in Figure 6; Screwed connection 1 one end of the comprehensive Drilling bore bit of a kind of sapphire inside spin mud guiding gutter pulsed spiral complex are connected with drilling rod; The other end is connected with drill bit conveyor screw 15 through butt welding seam 4; Said screwed connection 1 has tool receptacle 14; A drill bit screwed connection upper end, 1 centre excavation respectively has one-level impulse chamber 2, lower end excavation that secondary impulse chamber 3 is arranged; Said drill bit conveyor screw 15 centres have been excavated first cushion chamber 9, second cushion chamber 11, inside spin guiding gutter 10, a plurality of spirals road wing body 12, external spiral road wing body 6, external spiral guiding gutter 8 respectively and have been welded gauge teeth 5, welding tooth 16; Said spiral road wing body 12 convex surfaces are inlayed and are welded with composite sheet 17, complex 19, and excavating respectively successively in the crown groove 18 of said spiral road wing body 12 concave bottom has model specification different, and quantity does not wait the helicla flute mud of non-linear arrangement to export the first inside spin jet expansion 7 and the second inside spin jet expansion 13.
Described drill bit conveyor screw is made for the tungsten alloy steel.
Described drill teeth is cylindrical or taper or the non-linear cloth tooth of triangle.
Inlay the compact bit tooth and the gauge teeth of back welding in the described complex and arrange with geometric form, the byroad wing is arranged with non-geometric form.
Nozzle in the said drill bit conveyor screw is the inside spin nozzle of non-linear arrangement.
Said inside spin nozzle form is circular or oval.
The diameter of said inside spin nozzle is isometrical for not.
Said impulse chamber is shaped as annular or taper.
Fig. 7, shown in Figure 8; Screwed connection 1 one end of the comprehensive Drilling bore bit of a kind of sapphire inside spin mud guiding gutter spiral complex are connected with drilling rod; The other end is connected with drill bit conveyor screw 15 through butt welding seam 4; Said screwed connection 1 has tool receptacle 14; Said drill bit conveyor screw 15 centres excavation has inside spin guiding gutter 10, a plurality of spirals road wing body 12, external spiral road wing body 6, external spiral guiding gutter 8 and welds gauge teeth 5, welding tooth 16; Said spiral road wing body 12 convex surfaces are inlayed and are welded with composite sheet 17, complex 19, and excavating respectively successively in the crown groove 18 of said spiral road wing body 12 concave bottom has model specification different, and quantity does not wait the helicla flute mud of non-linear arrangement to export the first inside spin jet expansion 7 and the second inside spin jet expansion 13.
Said inside spin nozzle form is oval and circular two kinds.
In sum, a mud mozzle that has the spiral stream guidance groove is arranged on this drill main body centre, and have the impulse chamber that size does not wait, impulse chamber can be divided into single-stage, twin-stage and multistage by different size.Hollow drill in the said rotation provides mud or clear water to drill bit, be used for brokenly rock, take sand, cooling, lubricated.Said drill bit road wing body side surface is inlayed the gauge teeth that is welded with the different model specification successively respectively, is used for protecting bit diameter.It is to be used for the well of installation and removal drill bit that there is a groove said drill main body side.Drill bit has a plurality of spirals road wing body, and spiral road wing body convex surface is inlayed and is welded with composite sheet, and concave bottom has model specification different successively respectively, and quantity does not wait the helicla flute swivel of non-linear arrangement.Drill bit spiral road wing body side surface is inlayed and is welded with gauge teeth, and the gauge teeth of non-linear arrangement is used for protecting bit diameter, to reduce the wearing and tearing of the borehole wall to bit diameter, prolongs drilling life of bit.There is helicla flute mud mozzle in the drill main body centre, on the helicla flute different parts, excavates in respect of extended cavity simultaneously.Have two-stage or multilevel size not to wait, mud can form one or more pulses through this high velocity stream is out-of-date, distributes to each nozzle through mozzle then.
Under the cooperation of sapphire spiral complex and spiral nozzle prior art; Be completed into the solid that an external spiral and inside spin combine, under the condition that does not change the existing machinery rotating speed, can have further improved the broken rock impact capacity of mud; Using in the oil field oil development at home and abroad of the compound solid of spiral is for the first time; It improves the down-hole prop-carrying capacity to strengthening the flow velocity of mud in the down-hole, strengthens drill bit cooling lubricant effect; Improve high-pressure slurry to rock stratum moment impact, strengthen broken rock transverse shear and have very big effect.Inside spin mud guiding gutter uses on drill bit to be looked excavation and drilling depth and decides; Well below 2800; One spiral stream guidance groove of well depth corresponding increase whenever above 150 meters, when being used for increasing mud and spraying moment transverse shear, impulse chamber is used for cooperating the mud guiding gutter to use; Particularly on deep-well below 3200 meters and the ultradeep well below the 5000m, use; Increased mud the broken rock transverse shear of down-hole with take sand, cooling, lubricating ability, the impulse chamber of using in the drill bit is also divided multiple, and single-stage, twin-stage and multistage are arranged; Impulse chamber width size is selected according to excavation and well depth, cooperates spiral mud guiding gutter to use by existing drilling technology and technological impulse chamber and should not surpass seven roads at most.
Claims (10)
1. comprehensive Drilling bore bit of sapphire inside spin mud guiding gutter spiral complex; Screwed connection head (1) one end of this Drilling bore bit is connected with drilling rod; The other end is connected with drill bit conveyor screw (15) through butt welding seam (4); Said screwed connection head (1) has tool receptacle (14); It is characterized in that said drill bit conveyor screw (15) centre excavation has inside spin guiding gutter (10), a plurality of spirals road wing body (12), the external spiral road wing (6), external spiral guiding gutter (8) and welds gauge teeth (5), welding tooth (16); Said spiral road wing body (12) convex surface is inlayed and is welded with composite sheet (17), complex (19); Excavating respectively successively in the crown groove (18) of said spiral road wing body (12) concave bottom has model specification different, and quantity does not wait the helicla flute mud of non-linear arrangement to export the first inside spin jet expansion (7) and the second inside spin jet expansion (13).
2. according to the comprehensive Drilling bore bit of the said sapphire inside spin of claim 1 mud guiding gutter spiral complex, it is characterized in that said inside spin nozzle form is ellipse and two kinds of circles.
3. comprehensive Drilling bore bit of sapphire inside spin mud guiding gutter pulsed spiral complex; Screwed connection head (1) one end of this Drilling bore bit is connected with drilling rod; The other end is connected with drill bit conveyor screw (15) through butt welding seam (4); Said screwed connection head (1) has tool receptacle (14); It is characterized in that drill bit screwed connection head (1) centre upper end respectively excavation have one-level impulse chamber (2), lower end excavation that secondary impulse chamber (3) is arranged; Said drill bit conveyor screw (15) centre has been excavated first cushion chamber (9), second cushion chamber (11), inside spin guiding gutter (10), a plurality of spirals road wing body (12), the external spiral road wing (6), external spiral guiding gutter (8) respectively and has been welded gauge teeth (5), welding tooth (16); Said spiral road wing body (12) convex surface is inlayed and is welded with composite sheet (17), complex (19); Excavating respectively successively in the crown groove (18) of said spiral road wing body (12) concave bottom has model specification different, and quantity does not wait the helicla flute mud of non-linear arrangement to export the first inside spin jet expansion (7) and the second inside spin jet expansion (13).
4. the comprehensive Drilling bore bit of sapphire inside spin mud guiding gutter pulsed spiral complex according to claim 3 is characterized in that described drill bit conveyor screw makes for the tungsten alloy steel.
5. the comprehensive Drilling bore bit of sapphire inside spin mud guiding gutter pulsed spiral complex according to claim 3 is characterized in that described drill teeth is cylindrical or taper or the non-linear cloth tooth of triangle.
6. the comprehensive Drilling bore bit of sapphire inside spin mud guiding gutter pulsed spiral complex according to claim 3; It is characterized in that inlaying in the described complex compact bit tooth and the gauge teeth that weld the back and arrange with geometric form, the byroad wing is arranged with non-geometric form.
7. the comprehensive Drilling bore bit of sapphire inside spin mud guiding gutter pulsed spiral complex according to claim 3 is characterized in that the nozzle in the said drill bit conveyor screw is the inside spin nozzle of non-linear arrangement.
8. according to claim 3 or the comprehensive Drilling bore bit of 7 described sapphire inside spin mud guiding gutter pulsed spiral complexs, it is characterized in that said inside spin nozzle form is for circular or oval.
9. according to claim 3 or the comprehensive Drilling bore bit of 7 described sapphire inside spin mud guiding gutter pulsed spiral complexs, it is characterized in that the diameter of said inside spin nozzle is isometrical for not.
10. the comprehensive Drilling bore bit of sapphire inside spin mud guiding gutter pulsed spiral complex according to claim 3 is characterized in that said impulse chamber is shaped as annular or taper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204181328U CN202467666U (en) | 2011-10-28 | 2011-10-28 | Sapphire inner screw slurry guiding groove pulse type spiral complex drill bit for comprehensive drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204181328U CN202467666U (en) | 2011-10-28 | 2011-10-28 | Sapphire inner screw slurry guiding groove pulse type spiral complex drill bit for comprehensive drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202467666U true CN202467666U (en) | 2012-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204181328U Expired - Fee Related CN202467666U (en) | 2011-10-28 | 2011-10-28 | Sapphire inner screw slurry guiding groove pulse type spiral complex drill bit for comprehensive drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202467666U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102337841A (en) * | 2011-10-28 | 2012-02-01 | 刘展 | Sapphire inner-spiral pulse type spiral-complex comprehensive-drilling bit with mud diversion trench |
-
2011
- 2011-10-28 CN CN2011204181328U patent/CN202467666U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102337841A (en) * | 2011-10-28 | 2012-02-01 | 刘展 | Sapphire inner-spiral pulse type spiral-complex comprehensive-drilling bit with mud diversion trench |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20181028 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |