CN101798903A - Large-aperture oil drilling impacter - Google Patents
Large-aperture oil drilling impacter Download PDFInfo
- Publication number
- CN101798903A CN101798903A CN 201010146850 CN201010146850A CN101798903A CN 101798903 A CN101798903 A CN 101798903A CN 201010146850 CN201010146850 CN 201010146850 CN 201010146850 A CN201010146850 A CN 201010146850A CN 101798903 A CN101798903 A CN 101798903A
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- China
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- drill bit
- oil drilling
- press
- anticreep
- non retern
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Abstract
The invention discloses a large-aperture oil drilling impacter which comprises a cylinder body (7), a piston (6), a joint (1), a drill (14), a check valve, a gas distribution seat (4) and a clamping and drilling sleeve (12), wherein one end of an anti-separation sleeve (13) is connected to the clamping and drilling sleeve (12), while the other end is sleeved on the drill (14). The large-aperture oil drilling impacter has convenient salvage operation, high impact speed, less wind consumption, simple and reliable structure, convenient operation, high safety factor and reduced cost when the drill is broken.
Description
Technical field
The present invention relates to the drilling tool that a kind of petroleum drilling and mining industry is carried out, particularly relate to a kind of large-aperture oil drilling impacter that is applied to the large aperture oil drilling.
Background technology
Petroleum drilling and mining is the basic industry of country always, the accent industry of national development, traditional tricone bit drilling well exploitation, speed is low, and the cost height has been wasted great deal of steel, and in the very difficult operation in the relatively poor place of environment, especially harder in the rock stratum, condition of work compares under the rugged environment, and traditional tricone bit can't operate as normal.This is because tricone bit adopts traditional method of compressing into, depended on pressure rotates into tooth, along with the development of industry, compete more and more fierce, requested number not only, and pursuit speed also is current development trend, so traditional method has been difficult to gather way, under this background, large-aperture oil drilling impacter adopts impact principle, improved speed greatly, provided cost savings.
Summary of the invention
Technical problem to be solved by this invention provides and salvages easy to operate large-aperture oil drilling impacter when fracture appears in a kind of drill bit.
In order to solve the problems of the technologies described above, large-aperture oil drilling impacter provided by the invention comprises cylinder body, piston, joint, drill bit, non retern valve, distribution seat and card drill sleeve), the anti-end of press-offing is connected on the described card drill sleeve, and the other end entangles described drill bit.
Be provided with the anticreep external threading at described anti-front end port of press-offing, close on described Ka Qiantaochu and be provided with the anticreep screw thread on described drill bit, described drill bit is in free state with described anti-press-offing after passing described anticreep external threading by the precession of described anticreep screw thread.
Described non retern valve is provided with spring for corresponding roof pressure sealing with described joint on the taper hole non retern valve the is located at described distribution seat between described taper hole non retern valve and described distribution seat, have air vent on described taper hole non retern valve.
Adopt the large-aperture oil drilling impacter of technique scheme, great advantage is anti-press-offing, because the general degree of depth of oil drilling is darker, and characteristics such as the position, hole is fixing, drill bit will influence progress greatly in case fracture occurs, salvage pretty troublesome, therefore increased anti-press-offing, better controlled the trouble brought of drill bit fracture, be provided with the anticreep external threading at anti-front end port of press-offing, proximity card drill sleeve place is provided with the anticreep screw thread on drill bit, drill bit is in free state with anti-press-offing after passing the anticreep external threading by the precession of anticreep screw thread, if the drill bit fracture, drill bit must screw out by the anticreep external threading of anticreep screw thread and anti-front end port of press-offing and pass and could take out, drill bit is in case fracture occurs like this, can together take out with cylinder body during salvaging, easily, drill bit is in free state with anti-press-offing after passing the anticreep external threading by the precession of anticreep screw thread, like this, do not influence the operate as normal of drill bit.In cylinder body, be provided with lining, when piston down to certain altitude, form sealing between the head of piston and the lining, when piston is mentioned certain altitude, the closed area that piston and lining form is removed and is sealed, and has fully phased out the nylon tail pipe, has the following advantages:
1, save the nylon tail pipe of drill bit, reduced part, improved application life, more convenient to operate.
2, adopt piston and outer shell distribution principle, improved the operating efficiency of impactor greatly.
3, optimized gas distribution structure has improved productivity ratio, has reduced the boring cost.
4, increase anti-press-offing, significantly reduced the trouble that the drill bit fracture brings.
Operating rate of the present invention, energy-saving and emission-reduction are all than traditional tricone bit effect that has clear improvement, and have saved cost of production, and also be improved greatly application life, and flexible and convenient operation has improved safety factor especially greatly.
In sum, the present invention is that a kind of drill bit is salvaged easy to operate when fracture occurring and impact speed is fast, and blast consumption is few, and is simple and reliable for structure, easy to operate, safety factor is high, the large-aperture oil drilling impacter that reduces cost.
Description of drawings
Fig. 1 is a structural representation of the present invention.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing and concrete embodiment.
Referring to Fig. 1, joint 1 is housed in cylinder body 7, inner casing 5, piston 6, snap ring 10, sealing ring 9, card drill sleeve 12, drill bit 14 is installed in the cylinder body 7 by snap ring 10, be fixed in the cylinder body 7 by card drill sleeve 12 again, drill bit 14 and card drill sleeve 12 are got in touch by spline, and by the spline carry-over moment, anti-13 the rear end of press-offing is connected on the card drill sleeve 12, anti-press-off 13 and cylinder body 7 between be provided with pad 11, be provided with anticreep external threading 16 at anti-13 the front end port of press-offing, proximity card drill sleeve 12 places are provided with anticreep screw thread 17 on drill bit 14, drill bit 14 passes anticreep external threading 16 back by 17 precessions of anticreep screw thread and 13 is in free state with anti-press-offing, in cylinder body 7, be provided with lining 8, when piston arrives certain altitude 6 times, form sealing between the head of piston 6 and the lining 8, when piston 6 is mentioned certain altitude, piston 6 is removed sealing with the closed area that lining 8 forms, taper hole non retern valve 2 is located on the distribution seat 4 and seals with joint 1 corresponding roof pressure, between taper hole non retern valve 2 and distribution seat 4, be provided with spring 3, on taper hole non retern valve 2, have air vent 15.
Referring to Fig. 1, its operating principle is:
Gas carries out impactor from joint 1 interstitial hole; wash taper hole non retern valve 2 open; shunt by the air vent on the taper hole non retern valve 2 15; a part enters the impactor back cavity; enter in the middle of the impactor by the pore on the distribution seat 4 again; and then enter the impactor ante-chamber by the air drain on the piston 6; because ante-chamber is always sealed by the head of lining 8 and piston 6; therefore; gas does not stop accumulation at ante-chamber; ante-chamber pressure constantly increases; reach with to a certain degree up to ante-chamber pressure; make on the piston 6 and carry; when piston 6 is mentioned certain altitude; the piston 6 of ante-chamber is removed sealing with the closed area that lining 8 forms; ante-chamber gas flows away; the segment distance because inertia piston 6 continues to move up; because this moment, back cavity became a closed area; therefore, back cavity pressure constantly increases, and is last; owing to back cavity pressure effect and piston 6 itself are raised the gravity that forms; piston 6 is laid at a high speed, hit drill bit 14, drill bit 14 is owing to severe impact smashes rock; owing to driving impactor, drilling rod rotates in a circumferential direction simultaneously; so drill bit 14 also rotates in a circumferential direction by the moment of torsion of spline transmission, thereby the sillar of smashing is ground the diagenesis slag, the gases at high pressure by the ante-chamber accumulation blow out the rock slag again; and then this process that circulates; finish boring work, another part gas directly enters the impactor gas circuit by taper hole non retern valve 2, blows slag until the impactor lower curtate.If drill bit 14 fractures, drill bit 14 must screw out by the anticreep external threading 16 of anticreep screw thread 17 and anti-13 the front end port of press-offing and pass and could take out, drill bit 14 is in case fracture occurs like this, can together take out with cylinder body 7 during salvaging, easily, drill bit 14 passes anticreep external threading 16 back by 17 precessions of anticreep screw thread and 13 is in free state with anti-press-offing, and like this, does not influence the operate as normal of drill bit 14.If drill bit 14 in use ruptures, will 13 pull out by anti-press-offing, improved safety factor.
Claims (3)
1. large-aperture oil drilling impacter, comprise cylinder body (7), piston (6), joint (1), drill bit (14), non retern valve, distribution seat (4) and card drill sleeve (12), it is characterized in that: anti-(13) one ends of press-offing are connected on the described card drill sleeve (12), and the other end entangles described drill bit (14).
2. according to the large-aperture oil drilling impacter of claim 1, it is characterized in that: the front end port in described anti-press-off (13) is provided with anticreep external threading (16), close on described card drill sleeve (12) and locate to be provided with anticreep screw thread (17) on described drill bit (14), described drill bit (14) passes described anticreep external threading (16) back by described anticreep screw thread (17) precession and is in free state with described anti-press-off (13).
3. according to the large-aperture oil drilling impacter of claim 1 or 2, it is characterized in that: described non retern valve is that taper hole non retern valve (2) is located at upward corresponding with described joint (1) the roof pressure sealing of described distribution seat (4), between described taper hole non retern valve (2) and described distribution seat (4), be provided with spring (3), on described taper hole non retern valve (2), have air vent (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010146850 CN101798903A (en) | 2010-04-14 | 2010-04-14 | Large-aperture oil drilling impacter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010146850 CN101798903A (en) | 2010-04-14 | 2010-04-14 | Large-aperture oil drilling impacter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101798903A true CN101798903A (en) | 2010-08-11 |
Family
ID=42594730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010146850 Pending CN101798903A (en) | 2010-04-14 | 2010-04-14 | Large-aperture oil drilling impacter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101798903A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030102167A1 (en) * | 2001-12-05 | 2003-06-05 | Numa Tool Company. | Bit retention system |
| US20040084225A1 (en) * | 2002-10-30 | 2004-05-06 | Center Rock, Inc. | Self-retaining downhole-hammer drill bit |
| US20060096787A1 (en) * | 2004-11-08 | 2006-05-11 | Smith International, Inc. | Bit retainer system |
| CN2926472Y (en) * | 2006-07-11 | 2007-07-25 | 新疆石油管理局钻井工艺研究院 | Boring air impacting hammer |
| CN201087695Y (en) * | 2007-10-16 | 2008-07-16 | 长沙黑金刚实业有限公司 | High wind pressure downhole air hammer |
| CN101363305A (en) * | 2008-10-07 | 2009-02-11 | 西南石油大学 | Long-life high performance air hammer |
| CN101392634A (en) * | 2008-11-07 | 2009-03-25 | 长沙黑金刚实业有限公司 | Reverse circulation impactor |
| CN201661242U (en) * | 2010-04-14 | 2010-12-01 | 长沙黑金刚实业有限公司 | Large-aperture petroleum drilling and production impactor |
-
2010
- 2010-04-14 CN CN 201010146850 patent/CN101798903A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030102167A1 (en) * | 2001-12-05 | 2003-06-05 | Numa Tool Company. | Bit retention system |
| US20040084225A1 (en) * | 2002-10-30 | 2004-05-06 | Center Rock, Inc. | Self-retaining downhole-hammer drill bit |
| US20060096787A1 (en) * | 2004-11-08 | 2006-05-11 | Smith International, Inc. | Bit retainer system |
| CN2926472Y (en) * | 2006-07-11 | 2007-07-25 | 新疆石油管理局钻井工艺研究院 | Boring air impacting hammer |
| CN201087695Y (en) * | 2007-10-16 | 2008-07-16 | 长沙黑金刚实业有限公司 | High wind pressure downhole air hammer |
| CN101363305A (en) * | 2008-10-07 | 2009-02-11 | 西南石油大学 | Long-life high performance air hammer |
| CN101392634A (en) * | 2008-11-07 | 2009-03-25 | 长沙黑金刚实业有限公司 | Reverse circulation impactor |
| CN201661242U (en) * | 2010-04-14 | 2010-12-01 | 长沙黑金刚实业有限公司 | Large-aperture petroleum drilling and production impactor |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20100811 |