CN206539310U - A kind of drilling well auxiliary rock instrument - Google Patents
A kind of drilling well auxiliary rock instrument Download PDFInfo
- Publication number
- CN206539310U CN206539310U CN201720245780.5U CN201720245780U CN206539310U CN 206539310 U CN206539310 U CN 206539310U CN 201720245780 U CN201720245780 U CN 201720245780U CN 206539310 U CN206539310 U CN 206539310U
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- CN
- China
- Prior art keywords
- striker
- housing
- driver
- flow dis
- drilling well
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- 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.)
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Abstract
The utility model is related 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, and through-flow dis contacts connection with driver.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 in construction, 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 suitable for use in and uses.
Description
Technical field
The utility model is related 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 be met
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, bit freezing and violent twisting vibration occur 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
The purpose of this utility model is：There is provided a kind of simple in construction, highly reliable, applicability is good；It will can be bored during work
The fluid power conversion of well liquid is dither impact energy, and impact energy is passed into drill bit, so as to improve drill bit broken rock
The drilling well auxiliary rock instrument of efficiency.
The technical solution of the utility model is：
A kind of drilling well auxiliary rock instrument, including housing, top connection, lower contact, through-flow dis and striker, its feature exist
In：The threaded one end of housing is provided with top connection, and the other end screw thread of housing is provided with lower end in lower contact, housing and passes through punching
Seat is hit equipped with driver, the housing above driver is provided with through-flow dis, through-flow dis is equipped with screw rotor by screw rod bushing,
Screw rotor is slidably connected with through-flow dis, and through-flow dis contacts connection with driver.
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, to carry out axial limiting 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, the striker of dividing plate fit beneath hole both sides and is symmetrically arranged with
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, which is provided with, to be provided with section on Assembly rail, the driver end face of Assembly rail side and is in
Fan-shaped driver segmentation block.It is flexibly connected between striker and driver by the cooperation of pilot hole and plug connector.
Shock gap is provided between described pilot hole and plug connector.
Described through-flow dis is 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, passes through Assembly rail 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 utility model are：
During the drilling well auxiliary rock tool work, drilling fluid drive screw rotor is moved back and forth in screw rod bushing, so that
The runner that two sectional areas being not communicated with are continually changing is formed in the cavity of screw rod bushing end, while drilling fluid, which is divided into, to be had
Two strands of drilling fluids of hydraulic pressure difference.Corresponding flowing hole enters by driving two strands of drilling fluids with hydraulic pressure difference from through-flow dis respectively
In the cavity that constitute two of device, through-flow dis and housing are not communicated with, and effect is continued traveling downwardly through housing runner and striker runner
To drill bit, 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 to
On the occasion of alternating back and forth change, drive driver reciprocating rotation, due to be provided between assembling and plug connector hit gap.Driving
Plug connector forms circumferential, high frequency reciprocating impact, resulting mechanical shock to striker during device reciprocating rotation
Energy is delivered to drill bit through striker, housing, so as to realize auxiliary rock.The drilling well auxiliary rock tool construction is simple, reliable
Property it is strong, applicability is good；The efficiency of breaking rock and rate of penetration of drill bit are effectively increased, oil drilling is particularly suitable for use in and uses.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the dimensional structure diagram of striker of the present utility model；
Fig. 3 is the cross section structure diagram of striker of the present utility model；
Fig. 4 is the cross section structure diagram of driver of the present utility model；
Fig. 5 is the cross section structure diagram of through-flow dis of the present utility model；
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 present utility model；
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.
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 that 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, which is provided with Assembly rail 12, the end face of driver 6 of the side of Assembly rail 12, to be provided with
Section is in fan-shaped driver segmentation block 13.Lived between driver 6 and striker 5 by the cooperation of plug connector 11 and pilot hole 7
Dynamic connection；Shock gap is provided between pilot hole 7 and plug connector 11.
Through-flow dis 4 is provided with the housing 1 of the top of driver 6, through-flow dis 4 is provided circumferentially about external screw thread, with through-flow dis 4
Internal thread is provided with the corresponding inwall of housing 1, passes through 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, the through-flow dis 4 of assembling blind hole 14 side and is provided with
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
Contacted and connected by the cooperation of Assembly rail 12 and assembling blind hole 14 between flow table 4 and driver 6；Through-flow dis splits block 15 and assembling
Bar 12 be in close contact connection, through-flow dis segmentation block 15 and driver segmentation block 13 between is 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, to carry out axial limiting to striker 5.On
The wall thickness of joint 2 is more than the wall thickness of housing 1, thus forms step 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 between screw rod bushing 18 and housing 1 by flat key 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, worked
During, drilling fluid drive screw rotor 19 does crankmotion in screw rod bushing 18 so that 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 the drilling fluid of difference 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
The cooperation that plug connector 11 is crossed with pilot hole 7 is flexibly connected；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 suitable for use in 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 or 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 inserting
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；Assemble 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 splits 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 |
|---|---|---|---|
| CN201720245780.5U CN206539310U (en) | 2017-03-14 | 2017-03-14 | A kind of drilling well auxiliary rock instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720245780.5U CN206539310U (en) | 2017-03-14 | 2017-03-14 | A kind of drilling well auxiliary rock instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206539310U true CN206539310U (en) | 2017-10-03 |
Family
ID=59942803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720245780.5U Expired - Fee Related CN206539310U (en) | 2017-03-14 | 2017-03-14 | A kind of drilling well auxiliary rock instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206539310U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761386A (en) * | 2017-03-14 | 2017-05-31 | 长江大学 | A kind of drilling well auxiliary rock instrument |
| CN111561284A (en) * | 2020-06-23 | 2020-08-21 | 湖北省息壤科技有限公司 | Mechanical vibration blockage removal and injection increase oil increasing method and mechanical vibration device |
| CN116876980A (en) * | 2023-05-26 | 2023-10-13 | 中国石油天然气集团有限公司 | Pulse composite impact drilling tool |
-
2017
- 2017-03-14 CN CN201720245780.5U patent/CN206539310U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761386A (en) * | 2017-03-14 | 2017-05-31 | 长江大学 | A kind of drilling well auxiliary rock instrument |
| CN106761386B (en) * | 2017-03-14 | 2019-04-02 | 长江大学 | A kind of drilling well auxiliary rock tool |
| CN111561284A (en) * | 2020-06-23 | 2020-08-21 | 湖北省息壤科技有限公司 | Mechanical vibration blockage removal and injection increase oil increasing method and mechanical vibration device |
| CN111561284B (en) * | 2020-06-23 | 2022-02-08 | 湖北省息壤科技有限公司 | Mechanical vibration blockage removal and injection increase oil increasing method and mechanical vibration device |
| CN116876980A (en) * | 2023-05-26 | 2023-10-13 | 中国石油天然气集团有限公司 | Pulse composite impact drilling tool |
| CN116876980B (en) * | 2023-05-26 | 2024-05-24 | 中国石油天然气集团有限公司 | Pulse composite impact drilling tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171003 Termination date: 20200314 |