CN106761386A - A kind of drilling well auxiliary rock instrument - Google Patents
A kind of drilling well auxiliary rock instrument Download PDFInfo
- Publication number
- CN106761386A CN106761386A CN201710150484.1A CN201710150484A CN106761386A CN 106761386 A CN106761386 A CN 106761386A CN 201710150484 A CN201710150484 A CN 201710150484A CN 106761386 A CN106761386 A CN 106761386A
- Authority
- CN
- China
- Prior art keywords
- striker
- housing
- driver
- flow dis
- drilling well
- 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
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/06—Down-hole impacting means, e.g. hammers
- E21B4/14—Fluid operated hammers
Abstract
The present invention relates to a kind of drilling well auxiliary rock instrument, category oil, gas drilling aid technical field.The instrument includes housing, top connection, lower contact, through-flow dis and striker, one end of housing is equipped with top connection, the other end is equipped with lower contact, lower end is equipped with driver by striker in housing, housing above driver is provided with through-flow dis, screw rotor is equipped with by screw rod bushing in through-flow dis, screw rotor is slidably connected with through-flow dis, through-flow dis are connected with driver contact.During work, circumferential, high frequency reciprocating impact is formed to striker by plug connector during driver reciprocating rotation, the impact energy is delivered to drill bit through striker, housing, so as to realize auxiliary rock, with simple structure, highly reliable, the characteristics of applicability is good；The efficiency of breaking rock and rate of penetration of drill bit are effectively increased, oil drilling is particularly well-suited to and is used.
Description
Technical field
The present invention relates to a kind of drilling well auxiliary rock instrument, category oil, gas drilling aid technical field.
Background technology
As the whole world increases the demand of petroleum resources, the oil in place reserves and yield of easy exploiting can not all meet
The demand of oil, oil exploitation must be carried out to the bad ground such as deeper stratum, harder.However, drill bit hard formation with
And soft or hard stratum staggeredly is when carrying out broken rock, there is bit freezing and violent twisting vibration often.Bit freezing and violent twisting vibration
The reduction of efficiency of breaking rock and rate of penetration is not only resulted in, and is a kind of greatly injury to BHA and drill bit.For upper
State problem, it is necessary to develop a kind of drilling well auxiliary rock instrument.
The content of the invention
It is an object of the invention to：A kind of simple structure, highly reliable is provided, applicability is good；Can be by drilling fluid during work
Fluid power conversion be dither impact energy, and impact energy is passed into drill bit, so as to improve drill bit efficiency of breaking rock
Drilling well auxiliary rock instrument.
The technical scheme is that：
A kind of drilling well auxiliary rock instrument, including housing, top connection, lower contact, through-flow dis and striker, it is characterised in that：Shell
The threaded one end of body is provided with top connection, and the other end screw thread of housing is provided with lower contact, and lower end is filled by striker in housing
There is driver, the housing above driver is provided with through-flow dis, screw rotor is equipped with by screw rod bushing in through-flow dis, screw rod turns
Son is slidably connected with through-flow dis, and through-flow dis are connected with driver contact.
Described housing is made up of upper shell and lower house, is threadedly coupled between upper shell and lower house.
Shoulder hole is provided with described lower contact, axial limiting is carried out with to striker.
Described striker is the prism of hexagon, and the middle part of striker is provided with the pilot hole of bow tie,
Inner walls shape corresponding with striker is corresponding with striker contour shape.
The middle part of the pilot hole is provided with dividing plate, is symmetrically arranged with the striker of dividing plate fit beneath hole both sides
Striker runner.
Housing runner, striker runner and housing flow passage are symmetrically arranged with the corresponding housing of described striker.
Described driver is in the form of annular discs, and the lower surface middle part of driver is provided with insert corresponding with assembling hole shape
Fitting, the upper surface middle part of driver is provided with Assembly rail, and being provided with section on the driver end face of Assembly rail side is in
Fan-shaped driver segmentation block.It is flexibly connected by the cooperation of pilot hole and plug connector between striker and driver.
Shock gap is provided between described pilot hole and plug connector.
Described through-flow dis are provided circumferentially about external screw thread, and internal thread is provided with inner walls corresponding with through-flow dis,
It is threadedly coupled between through-flow dis and housing.
Described through-flow dis lower surface middle part is provided with assembling blind hole, and Assembly rail is passed through between through-flow dis and driver
Cooperation with assembling blind hole contacts connection；Section is provided with the through-flow dis of assembling blind hole side in fan-shaped through-flow dis segmentation
Block.
Flowing hole is symmetrically arranged with the through-flow dis of described through-flow dis segmentation block both sides.
The beneficial effects of the present invention are：
During the drilling well auxiliary rock tool work, drilling fluid drive screw rotor is moved back and forth in screw rod bushing, so as in spiral shell
The runner that two sectional areas being not communicated with are continually changing is formed in the cavity of bushing end, while drilling fluid is divided into hydraulic pressure
Two strands of poor drilling fluids.Two strands of drilling fluids with hydraulic pressure difference respectively from through-flow dis corresponding flowing hole enter by driver,
In two cavitys being not communicated with that through-flow dis and housing are constituted, and effect to brill is continued traveling downwardly through housing runner and striker runner
On head, in the cavity that driver, through-flow dis and housing are constituted, the hydraulic pressure difference of the drilling fluid in two cavitys from negative value on the occasion of
Alternating back and forth change, drive driver reciprocating rotation, due to be provided between assembling and plug connector clash into gap.Driver is past
Plug connector forms circumferential, high frequency reciprocating impact, resulting mechanical shock energy to striker during multiple rotation
Drill bit is delivered to through striker, housing, so as to realize auxiliary rock.The drilling well auxiliary rock tool construction is simple, highly reliable,
Applicability is good；The efficiency of breaking rock and rate of penetration of drill bit are effectively increased, oil drilling is particularly well-suited to and is used.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the dimensional structure diagram of striker of the invention；
Fig. 3 is the cross section structure diagram of striker of the invention；
Fig. 4 is the cross section structure diagram of driver of the invention；
Fig. 5 is the cross section structure diagram of through-flow dis of the invention；
Fig. 6 be Fig. 1 in A-A to schematic cross-section；
Fig. 7 be Fig. 1 in B-B to schematic cross-section；
Fig. 8 is the action schematic diagram of screw rotor of the invention；
Fig. 9 be Fig. 1 in C-C to schematic cross-section.
In figure：1st, housing, 2, top connection, 3, lower contact, 4, through-flow dis, 5, striker, 6, driver, 7, pilot hole, 8,
Dividing plate, 9, striker runner, 10, housing runner, 11, plug connector, 12, Assembly rail, 13, driver segmentation block, 14, assemble blind
Hole, 15, through-flow dis segmentation block, 16, flowing hole, 17, chamber, 18, screw rod bushing, 19, screw rotor.
Specific embodiment
The drilling well auxiliary rock instrument includes housing 1, top connection 2, lower contact 3, through-flow dis 4 and striker 5.Housing 1
Threaded one end is provided with top connection 2, and the other end screw thread of housing 1 is provided with lower contact 3.Housing 1 is by upper shell and lower house structure
Into threaded connection between upper shell and lower house, in order to install maintenance.
Lower end is equipped with driver 6 by striker 5 in housing 1.Striker 5 is the prism of hexagon, in striker 5
Between position be provided with the pilot hole 7 of bow tie, the inner wall shape of housing 1 corresponding with striker 5 and the contour shape pair of striker 5
Should, so as to striker 5 be fixed；The middle part of pilot hole 7 is provided with dividing plate 8, the impact of the both sides of 8 fit beneath hole of dividing plate 7
Striker runner 9 is symmetrically arranged with seat 5；Housing runner 10, striker are symmetrically arranged with housing 1 corresponding with striker 5
Runner 9 is connected with housing runner 10.
Driver 6 is in the form of annular discs, and the lower surface middle part of driver 6 is provided with grafting corresponding with the shape of pilot hole 7
Part 11, the upper surface middle part of driver 6 is provided with Assembly rail 12, is provided with the end face of driver 6 of the side of Assembly rail 12
Section is in fan-shaped driver segmentation block 13.Lived with the cooperation of pilot hole 7 by plug connector 11 between driver 6 and striker 5
Dynamic connection；Shock gap is provided between pilot hole 7 and plug connector 11.
Through-flow dis 4 are provided with the housing 1 of the top of driver 6, through-flow dis 4 are provided circumferentially about external screw thread, with through-flow dis 4
Internal thread is provided with the inwall of corresponding housing 1, by external screw thread and the matching thread of internal thread between through-flow dis 4 and housing 4
Connection.The lower surface middle part of through-flow dis 4 is provided with assembling blind hole 14, is provided with the through-flow dis 4 of assembling blind hole 14 side
Section is in fan-shaped through-flow dis segmentation block 15；Flowing hole 16 is symmetrically arranged with the through-flow dis 4 of through-flow dis segmentation block 15 both sides.It is logical
Connection is contacted by the cooperation of Assembly rail 12 and assembling blind hole 14 between flow table 4 and driver 6；Through-flow dis split block 15 with assembling
Bar 12 be in close contact connection, through-flow dis segmentation block 15 and driver segmentation block 13 between be symmetrical set, thus by driver 6 with
The inner chamber of housing 1 between through-flow dis 4 is divided into two relatively independent chambers 17.Two relatively independent chambers 17 respectively with
Housing runner 10 is connected.
Screw rotor 19 is equipped with by screw rod bushing 18 in the housing 1 of the upper surface of through-flow dis 4, screw rotor 19 is in curved bar
Shape, the inner wall shape of screw rod bushing 18 is corresponding with screw rotor 19, is to be slidably connected between screw rotor 19 and through-flow dis 4.
Shoulder hole is provided with the lower contact 3 of the drilling well auxiliary rock instrument, axial limiting is carried out with to striker 5.On
Thus the wall thickness of joint 2 forms step more than the wall thickness of housing 1 in junction, and the step of formation is right under the cooperation of through-flow dis 4
Screw rod bushing 18 carries out axially position, is carried out by flat key between screw rod bushing 18 and housing 1 circumferentially positioned（Referring to accompanying drawing 1-
6）.
During the drilling well auxiliary rock tool work, top connection 2 is used for jointed rod, and lower contact 3 is used to connect drill bit, works
During, drilling fluid drive screw rotor 19 does crankmotion in the screw rod bushing 18, so as to flowing hole 16 is formed by
The alternating of step is covered, and this process causes the area of passage of one of flowing hole 16 progressively to diminish, and the mistake of another flowing hole 16
Flow area progressively becomes big, drill-in fluid is formd two strands of drilling fluids with pressure differential, reciprocal with screw rotor 19
Rotary motion, be formed hydraulic pressure difference from negative value on the occasion of alternating back and forth change（Referring to accompanying drawing 7-8）.Two strands have pressure
After poor drilling fluid is entered in chamber 17 by flowing hole 16, the two sides shape of block 13 is split to the driver on driver 6
Into pressure differential, so as to promote driver 6 reciprocating.During this, due to leading between driver 6 and striker 5
Plug connector 11 is crossed to be flexibly connected with the cooperation of pilot hole 7；And shock gap is provided between pilot hole 7 and plug connector 11.Therefore
During driver 6 is moved back and forth, circumferential, high frequency reciprocal punching can constantly be carried out to pilot hole 7 by plug connector 11
Hit（Referring to accompanying drawing 9）, resulting mechanical shock energy is delivered to drill bit through striker 5, housing 1, so as to realize that auxiliary is broken
Rock, and the generation of the phenomenons such as bit freezing can be prevented.
Completion has promoted the reciprocating drill-in fluid of driver 6, is continued traveling downwardly through housing runner 10 and striker runner 9
On effect to drill bit.The drilling well auxiliary rock tool construction is simple, highly reliable, and applicability is good；Effectively increase the broken of drill bit
Rock efficiency and rate of penetration, are particularly well-suited to oil drilling and use.
Claims (9)
1. a kind of drilling well auxiliary rock instrument, including housing（1）, top connection（2）, lower contact（3）, through-flow dis（4）And striker
（5）, it is characterised in that：Housing（1）Threaded one end top connection is installed（2）, housing（1）Other end screw thread be provided with down and connect
Head（3）, housing（1）Interior lower end passes through striker（5）Equipped with driver（6）, driver（6）The housing of top（1）Inside it is provided with
Through-flow dis（4）, through-flow dis（4）It is upper to pass through screw rod bushing（18）Equipped with screw rotor（19）, screw rotor（19）With through-flow dis（4）
It is slidably connected, through-flow dis（4）With driver（6）Contact connection.
2. a kind of drilling well auxiliary rock instrument according to claim 1, it is characterised in that：Described housing（1）By upper casing
Body and lower house are constituted, and are threadedly coupled between upper shell and lower house；Lower contact（3）On be provided with shoulder hole, with to striker
（5）Carry out axial limiting.
3. a kind of drilling well auxiliary rock instrument according to claim 1 and 2, it is characterised in that：Described striker（5）For
The prism of hexagon, striker（5）Middle part be provided with the pilot hole of bow tie（7）, with striker（5）It is corresponding
Housing（1）Inner wall shape and striker（5）Contour shape correspondence.
4. a kind of drilling well auxiliary rock instrument according to claim 3, it is characterised in that：The pilot hole（7）Centre
Position is provided with dividing plate（8）, dividing plate（8）Fit beneath hole（7）The striker of both sides（5）On be symmetrically arranged with striker runner
（9）.
5. a kind of drilling well auxiliary rock instrument according to claim 4, it is characterised in that：Described striker 5 is corresponding
Housing（1）On be symmetrically arranged with housing runner（10）, striker runner（9）With housing runner（10）Connection.
6. a kind of drilling well auxiliary rock instrument according to claim 1, it is characterised in that：Described driver（6）In circle
Plate-like, driver（6）Lower surface middle part be provided with and pilot hole（7）The corresponding plug connector of shape（11）, driver（6）
Upper surface middle part be provided with Assembly rail（12）, Assembly rail（12）The driver of side（6）Section is provided with end face is in
Fan-shaped driver segmentation block（13）, striker（5）With driver（6）Between pass through pilot hole（7）And plug connector（11）Match somebody with somebody
Close and be flexibly connected.
7. a kind of drilling well auxiliary rock instrument according to claim 6, it is characterised in that：Described pilot hole（7）With insert
Fitting（11）Between be provided with shock gap.
8. a kind of drilling well auxiliary rock instrument according to claim 6, it is characterised in that：Described through-flow dis（4）Circumference
On be provided with external screw thread, with through-flow dis（4）Corresponding housing（1）Internal thread, through-flow dis are provided with inwall（4）With housing（1）
Between be threadedly coupled.
9. a kind of drilling well auxiliary rock instrument according to claim 1, it is characterised in that：Described through-flow dis（4）Lower end
Face middle part is provided with assembling blind hole（14）, through-flow dis（4）And driver（6）Between pass through Assembly rail（12）With assembling blind hole
（14）Cooperation contact connection；Assembling blind hole（14）The through-flow dis of side（4）On be provided with section in fan-shaped through-flow dis segmentation
Block（15）；Through-flow dis split block（15）The through-flow dis of both sides（4）On be symmetrically arranged with flowing hole（16）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710150484.1A CN106761386B (en) | 2017-03-14 | 2017-03-14 | A kind of drilling well auxiliary rock tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710150484.1A CN106761386B (en) | 2017-03-14 | 2017-03-14 | A kind of drilling well auxiliary rock tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106761386A true CN106761386A (en) | 2017-05-31 |
| CN106761386B CN106761386B (en) | 2019-04-02 |
Family
ID=58962631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710150484.1A Expired - Fee Related CN106761386B (en) | 2017-03-14 | 2017-03-14 | A kind of drilling well auxiliary rock tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106761386B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107386961A (en) * | 2017-08-04 | 2017-11-24 | 四川深远石油钻井工具股份有限公司 | A kind of drilling speed device |
| CN107386960A (en) * | 2017-08-04 | 2017-11-24 | 四川深远石油钻井工具股份有限公司 | A kind of drilling speed device with composite drill bit |
| CN113187455A (en) * | 2021-05-28 | 2021-07-30 | 长江大学 | Pulse continuous jet flow hot melting combustible ice mining tool |
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| CN104120971A (en) * | 2014-06-27 | 2014-10-29 | 西南石油大学 | Torsion generator for providing one-way impact |
| CN105134067A (en) * | 2015-09-10 | 2015-12-09 | 西南石油大学 | Continuous hydraulic hammer for well drilling |
| CN105178846A (en) * | 2015-09-28 | 2015-12-23 | 中国石油天然气集团公司 | Shock-absorbing rock breaking tool |
| CN105927147A (en) * | 2016-07-05 | 2016-09-07 | 西南石油大学 | Speed raising tool for percussion drilling and method |
| CN206539310U (en) * | 2017-03-14 | 2017-10-03 | 长江大学 | A kind of drilling well auxiliary rock instrument |
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2017
- 2017-03-14 CN CN201710150484.1A patent/CN106761386B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| RU2109906C1 (en) * | 1996-07-04 | 1998-04-27 | Институт горного дела СО РАН | Immersible percussive machine |
| CN103291214A (en) * | 2013-06-19 | 2013-09-11 | 中国石油大学(华东) | Reciprocating type hydraulic-drive impacter |
| CN104120971A (en) * | 2014-06-27 | 2014-10-29 | 西南石油大学 | Torsion generator for providing one-way impact |
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| CN105178846A (en) * | 2015-09-28 | 2015-12-23 | 中国石油天然气集团公司 | Shock-absorbing rock breaking tool |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107386961A (en) * | 2017-08-04 | 2017-11-24 | 四川深远石油钻井工具股份有限公司 | A kind of drilling speed device |
| CN107386960A (en) * | 2017-08-04 | 2017-11-24 | 四川深远石油钻井工具股份有限公司 | A kind of drilling speed device with composite drill bit |
| CN107386960B (en) * | 2017-08-04 | 2023-07-04 | 四川深远石油钻井工具股份有限公司 | Drilling speed-increasing device with composite drill bit |
| CN107386961B (en) * | 2017-08-04 | 2023-08-11 | 四川深远石油钻井工具股份有限公司 | Drilling speed increasing device |
| CN113187455A (en) * | 2021-05-28 | 2021-07-30 | 长江大学 | Pulse continuous jet flow hot melting combustible ice mining tool |
| CN113187455B (en) * | 2021-05-28 | 2023-03-14 | 长江大学 | Pulse continuous jet flow hot melting combustible ice mining tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106761386B (en) | 2019-04-02 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20190402 |