CN112160721A - Geological guiding drilling structure with detachable near drill bit - Google Patents
Geological guiding drilling structure with detachable near drill bit Download PDFInfo
- Publication number
- CN112160721A CN112160721A CN202011117099.5A CN202011117099A CN112160721A CN 112160721 A CN112160721 A CN 112160721A CN 202011117099 A CN202011117099 A CN 202011117099A CN 112160721 A CN112160721 A CN 112160721A
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- positioning
- box
- column
- block
- 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.)
- Withdrawn
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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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/046—Couplings; joints between rod or the like and bit or between rod and rod or the like with ribs, pins, or jaws, and complementary grooves or the like, e.g. bayonet catches
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- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers
- E21B17/076—Telescoping joints for varying drill string lengths; Shock absorbers between rod or pipe and drill bit
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- 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
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
- E21B41/0021—Safety devices, e.g. for preventing small objects from falling into the borehole
Abstract
The invention discloses a geological guiding drilling structure with a replaceable near drill bit, which comprises a drilling base body and a drill bit, wherein the drilling base body is connected with a first connecting rod, the drill bit is connected with a second connecting rod through a protection mechanism, the first connecting rod and the second connecting rod are detachably connected with a connecting box, and the bottom end of the first connecting rod is provided with a lock catch. According to the invention, a first connecting rod and a second connecting rod are inserted into a connecting box, a lock catch is firstly buckled with a groove, preliminary installation is completed, a pull block is pulled, a pull column moves to drive an upper rack to move, then a gear rotates, the gear is meshed with a lower rack, then the lower rack is driven to move, so that a push rod is driven to move, then a fixing clamping column drives a fixing clamping block to move, and the fixing clamping block fixedly clamps a first fixing groove and a second fixing groove; thereby accomplishing the further fixed mounting of first connecting rod, second connecting rod, can realizing the quick installation of well drilling base member and drill bit.
Description
Technical Field
The invention relates to the technical field of drilling, in particular to a geological guiding drilling structure with a replaceable near drill bit.
Background
Drilling is the process of drilling a formation into a cylindrical borehole having a depth using mechanical equipment. Rock breaking methods and types of tools used can be divided into drilling and rotary drilling; in geological work, a drilling device is utilized to drill a cylindrical round hole with smaller diameter and larger depth into the ground. Also known as drilling. The diameter and depth of the drilled well depend on the drilling application, the buried depth of the mineral products and the like. The diameter of the well drilled for drilling oil, gas and ground water is large. The main functions are as follows: the method includes the following steps that firstly, underground material object data are obtained, namely, rock cores, ore cores, rock debris, liquid samples, gaseous samples and the like are collected from well drilling. And secondly, the device is used as a geophysical logging channel to obtain the data of various geophysical fields of the rock and ore bed. And thirdly, observing the dynamic situation of the groundwater layer hydrogeology as a manual channel. And fourthly, the drilling well is used for the combination of exploration and mining and the development of underground water, oil gas, geothermal heat and the like.
The drill bit used in the existing well drilling can not be disassembled and replaced, and the whole drilling tool needs to be replaced after the drill bit is damaged, so that the well drilling is greatly influenced, and the well drilling efficiency is reduced.
Disclosure of Invention
The invention aims to provide a near-bit detachable geosteering drilling structure to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a geological guiding drilling structure with a replaceable near drill bit comprises a drilling base body and a drill bit, wherein the drilling base body is connected with a first connecting rod, the drill bit is connected with a second connecting rod through a protection mechanism, the first connecting rod and the second connecting rod are detachably connected with a connecting box, a lock catch is arranged at the bottom end of the first connecting rod, a groove is formed in the top end of the second connecting rod, the lock catch is connected with the groove in a buckling mode, a first fixing groove and a second fixing groove are symmetrically formed in the first connecting rod and the second connecting rod respectively, and the first fixing groove and the second fixing groove are fixedly matched through a fixer;
the fixer comprises fixed vertical plates, a first connecting rod and a second connecting rod are arranged between the two fixed vertical plates, a fixed box is arranged between the fixed vertical plates and the inner wall of the connecting box, a pull column is arranged in the fixed box in a drawing mode, one end of the pull column is connected with a pull block, the other end of the pull column is connected with an upper rack, the upper rack and the inner top wall of the fixed box are arranged in a sliding mode, the upper rack is meshed with a gear, and the gear is arranged on the side wall of the fixed box in a;
the gear is meshed with a lower rack, the lower rack is connected with a push rod, the push rod is connected with a fixing clamp column, a fixing clamp block is arranged on the fixing clamp column, a first fixing groove and a second fixing groove are fixedly clamped and arranged by the fixing clamp block, the fixing clamp column is also connected with a stabilizer, the stabilizer is arranged on a fixing vertical plate, a positioning opening is formed in the pull column, and the positioning opening is matched with a positioning mechanism on the connecting box; and the fixed clamping column is also provided with a warning indicator.
Preferably, protection mechanism is including the protection box, and it is equipped with the protection piece to slide in the protection box, and the protection piece passes through protection spring and is connected with roof in the protection box, and the protection piece bottom is connected with the drill bit, and protection box top is connected with the second connecting rod.
Preferably, the number of the protection springs is one.
Preferably, the lower rack is provided with a stabilizing block, the fixing box is provided with a stabilizing groove, and the stabilizing block is arranged in the stabilizing groove in a sliding manner and is connected through a return spring.
Preferably, the stabilizer includes the stabilization sleeve, and it is equipped with the movable block to slide in the stabilization sleeve, and the movable block is connected with the movable column, moves the post and is connected with the fixing clip post.
Preferably, the movable block and the stabilizing sleeve are connected by a stabilizing spring.
Preferably, positioning mechanism includes the position sleeve, and the location is equipped with the locating piece in the sliding of position sleeve, and the locating piece top is equipped with the location and draws the post, and the location draws the post to pass position sleeve and draw the piece to be connected with the location, and the locating piece bottom is equipped with the locator card pole, and the locator card pole passes position sleeve and location mouth joint cooperation setting.
Preferably, the positioning clamp rod is sleeved with a positioning spring, the positioning spring is connected with the positioning pull block, and the bottom end of the positioning spring is connected with the bottom wall of the positioning sleeve.
Preferably, the warning device comprises a warning cover box, a first contact piece is arranged in the warning cover box, a warning column is movably arranged on the warning cover box and is matched with the first connecting rod, the warning column is connected with a second contact piece, the second contact piece is connected with the inner wall of the warning cover box through a warning spring, and a power supply and an alarm are arranged on the outer side of the warning device.
Preferably, the power supply and the alarm are electrically connected with the first contact piece and the second contact piece.
Compared with the prior art, the invention has the beneficial effects that
(1) According to the invention, a first connecting rod and a second connecting rod are inserted into a connecting box, a lock catch is firstly buckled with a groove, preliminary installation is completed, a pull block is pulled, a pull column moves to drive an upper rack to move, then a gear rotates, the gear is meshed with a lower rack, then the lower rack is driven to move, so that a push rod is driven to move, then a fixing clamping column drives a fixing clamping block to move, and the fixing clamping block fixedly clamps a first fixing groove and a second fixing groove; thereby accomplishing the further fixed mounting of first connecting rod, second connecting rod, can realizing the quick installation of well drilling base member and drill bit.
(2) The drill bit downstream drives the protection piece and slides in the protection box, and protection spring compresses to accomplish the effect of buffering, then reduce the impact of impulsive force to the second connecting rod, thereby improve fixed fixture block and with first fixed slot, the fixed joint stability of second fixed slot.
(3) The positioning clamping rod penetrates through the positioning sleeve to be clamped with the positioning opening to fix the pull column, so that the stability of the fixed clamping block in fixed clamping connection with the first fixing groove and the second fixing groove is improved.
(4) The fixed clamping column moves to drive the warning column to move, and then the first contact piece and the second contact piece are contacted, so that the alarm is alarmed; thereby the fixed fixture block of suggestion is fixed with first fixed slot, second fixed slot, has improved the effect of fixed joint.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of FIG. 1 at A;
FIG. 3 is a schematic view of the moving structure of the upper and lower racks according to the present invention;
FIG. 4 is a schematic structural view of the protection mechanism of the present invention;
FIG. 5 is a schematic structural view of a positioning mechanism of the present invention;
fig. 6 is a schematic structural diagram of the warning indicator of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, in an embodiment of the present invention, a replaceable near-bit geosteering drilling structure includes a drilling base 1 and a drill bit 2, the drilling base 1 is connected with a first connecting rod 3, the drill bit 2 is connected with a second connecting rod 5 through a protection mechanism 4, the first connecting rod 3 and the second connecting rod 5 are both detachably connected with a connecting box 6, a lock catch 7 is disposed at a bottom end of the first connecting rod 3, a groove 13 is disposed at a top end of the second connecting rod 5, the lock catch 7 is fastened with the groove 13, a first fixing groove 8 and a second fixing groove 9 are respectively symmetrically disposed on the first connecting rod 3 and the second connecting rod 5, and the first fixing groove 8 and the second fixing groove 9 are fixedly and cooperatively disposed through a fixer 10;
the fixer 10 comprises fixed vertical plates 101, a first connecting rod 3 and a second connecting rod 5 are arranged between the two fixed vertical plates 101, a fixed box 102 is arranged between the fixed vertical plates 101 and the inner wall of a connecting box 6, a pull column 103 is arranged in the fixed box 102 in a drawing mode, one end of the pull column 103 is connected with a pull block 104, the other end of the pull column 103 is connected with an upper rack 105, the upper rack 105 is arranged on the inner top wall of the fixed box 102 in a sliding mode, a gear 106 is meshed with the upper rack 105, and the gear 106 is rotatably arranged on the side wall of the fixed box 102;
the gear 106 is meshed with a lower rack 107, the lower rack 107 is connected with a push rod 108, the push rod 108 is connected with a fixed clamping column 109, a fixed clamping block 1010 is arranged on the fixed clamping column 109, the fixed clamping block 1010 fixedly clamps and clamps the first fixing groove 8 and the second fixing groove 9, the fixed clamping column 109 is further connected with a stabilizer 1014, the stabilizer 1014 is arranged on a fixed vertical plate 101, a positioning opening 1015 is arranged on the pull column 103, and the positioning opening 1015 is matched with a positioning mechanism 11 on the connecting box 6; the fixed clamping column 109 is also provided with an alarm 12.
Inserting the first connecting rod 3 and the second connecting rod 5 into the connecting box 6, buckling the lock catch 7 with the groove 13 to finish primary installation, pulling the pull block 104, moving the pull column 103 to drive the upper rack 105 to move, then rotating the gear 106, meshing the gear 106 with the lower rack 107 to drive the lower rack 107 to move, thereby driving the push rod 108 to move, further driving the fixed clamping block 1010 to move by the fixed clamping column 109, and fixedly clamping and connecting the first fixing groove 8 and the second fixing groove 9 by the fixed clamping block 1010; further fixed installation of the first connecting rod 3 and the second connecting rod 5 is completed, and rapid installation of the drilling base body 1 and the drill bit 2 can be realized;
referring to fig. 4, the protection mechanism 4 of the present embodiment includes a protection box 41, a protection block 42 is slidably disposed in the protection box 41, the protection block 42 is connected to an inner top wall of the protection box 41 through a protection spring 43, a bottom end of the protection block 42 is connected to the drill 2, and a top of the protection box 41 is connected to the second connecting rod 5.
The number of the protection springs 43 in this embodiment is 2.
The drill bit 2 moves downwards to drive the protection block 42 to slide in the protection box 41, the protection spring 43 is compressed, the buffering effect is achieved, impact of impact force on the second connecting rod 5 is reduced, and therefore the fixing clamping stability of the fixing clamping block 1010 for fixing and clamping the first fixing groove 8 and the second fixing groove 9 is improved;
the lower rack 107 of the embodiment is provided with a stabilizing block 1011, the fixing box 102 is provided with a stabilizing slot 1012, and the stabilizing block 1011 is arranged in the stabilizing slot 1012 in a sliding way and is connected through a return spring 1013; the stability of the movement of the fixed latch 1010 can be improved by the cooperation of the stabilizing block 1011, the stabilizing groove 1012 and the return spring 1013.
The stabilizer 1014 of the embodiment comprises a stabilizing sleeve 10141, a moving block 10142 is slidably arranged in the stabilizing sleeve 10141, the moving block 10142 is connected with a moving column 10143, and the moving column 10143 is connected with a fixing clamp column 109;
move through fixing clip post 109 and drive movable block 10142 and remove in stabilizing sleeve 10141, stabilize spring 10144 and stretch, further improvement fixed fixture block 1010 joint effect.
The movable block 10142 and the stabilizing sleeve 10141 of the present embodiment are connected by a stabilizing spring 10144.
Referring to fig. 5, the positioning mechanism 11 of the present embodiment includes a positioning sleeve 111, a positioning block 112 is slidably disposed in the positioning sleeve 111, a positioning pull column 113 is disposed at the top of the positioning block 112, the positioning pull column 113 penetrates through the positioning sleeve 111 to be connected to a positioning pull block 114, a positioning lock rod 115 is disposed at the bottom of the positioning block 112, and the positioning lock rod 115 penetrates through the positioning sleeve 111 to be matched with the positioning opening 1015 in a clamping manner.
The positioning rod 115 of this embodiment is sleeved with a positioning spring 116, the positioning spring 116 is connected to the positioning block 114, and the bottom end of the positioning spring is connected to the bottom wall of the positioning sleeve 111.
The pull column 103 is fixed by the positioning clamping rod 115 penetrating through the positioning sleeve 111 and clamped with the positioning hole 1015, so that the fixing clamping stability of the fixing clamping block 1010, the first fixing groove 8 and the second fixing groove 9 is improved;
referring to fig. 6, the warning device 12 of the present embodiment includes a warning sleeve 121, a first contact 122 is disposed in the warning sleeve 121, a warning post 123 is movably disposed on the warning sleeve 121, the warning post 123 is disposed in cooperation with the first connecting rod 3, the warning post 123 is connected to a second contact 124, the second contact 124 is connected to an inner wall of the warning sleeve 121 through a warning spring 125, and a power source and an alarm 126 are disposed outside the warning device 12.
The power supply and alarm 126 of the present embodiment are electrically connected to the first contact 122 and the second contact 124.
The fixed clamping column 109 moves to drive the warning column 123 to move, and then the first contact piece 122 and the second contact piece 124 are contacted, so that the alarm 126 gives an alarm; thereby suggestion fixed fixture block 1010 is fixed with first fixed slot 8, second fixed slot 9, has improved the effect of fixed joint.
The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A geological guiding drilling structure with a replaceable near drill bit comprises a drilling base body (1) and a drill bit (2), and is characterized in that the drilling base body (1) is connected with a first connecting rod (3), the drill bit (2) is connected with a second connecting rod (5) through a protection mechanism (4), the first connecting rod (3) and the second connecting rod (5) are connected with a connecting box (6) in a detachable mode, a lock catch (7) is arranged at the bottom end of the first connecting rod (3), a slot (13) is arranged at the top end of the second connecting rod (5), the lock catch (7) is buckled with the slot (13), a first fixing groove (8) and a second fixing groove (9) are symmetrically arranged on the first connecting rod (3) and the second connecting rod (5) respectively, and the first fixing groove (8) and the second fixing groove (9) are fixedly matched through a fixer (10);
the fixer (10) comprises fixed vertical plates (101), a first connecting rod (3) and a second connecting rod (5) are arranged between the two fixed vertical plates (101), a fixed box (102) is arranged between the fixed vertical plates (101) and the inner wall of the connecting box (6), a pull column (103) is arranged in the fixed box (102) in a drawing mode, one end of the pull column (103) is connected with a pull block (104), the other end of the pull column is connected with an upper rack (105), the upper rack (105) and the inner top wall of the fixed box (102) are arranged in a sliding mode, a gear (106) is meshed with the upper rack (105), and the gear (106) is rotatably arranged on the side wall of the fixed box (102);
a lower rack (107) is meshed with the gear (106), the lower rack (107) is connected with a push rod (108), the push rod (108) is connected with a fixing clamp column (109), a fixing clamp block (1010) is arranged on the fixing clamp column (109), the fixing clamp block (1010) fixedly clamps a first fixing groove (8) and a second fixing groove (9), the fixing clamp column (109) is further connected with a stabilizer (1014), the stabilizer (1014) is arranged on a fixing vertical plate (101), a positioning opening (1015) is arranged on the pull column (103), and the positioning opening (1015) is matched with a positioning mechanism (11) on the connecting box (6); and the fixed clamping column (109) is also provided with an alarm (12).
2. A detachable near-bit geosteering drilling structure according to claim 1, wherein the protection mechanism (4) comprises a protection box (41), a protection block (42) is slidably arranged in the protection box (41), the protection block (42) is connected with the inner top wall of the protection box (41) through a protection spring (43), the bottom end of the protection block (42) is connected with the drill bit (2), and the top of the protection box (41) is connected with the second connecting rod (5).
3. A collapsible near-bit geosteering drilling structure as claimed in claim 2, wherein the number of said protection springs (43) is 2.
4. A collapsible near-bit geosteering drilling structure as claimed in claim 1, wherein said lower rack (107) is provided with stabilizing blocks (1011), the holding box (102) is provided with stabilizing slots (1012), the stabilizing blocks (1011) are slidably arranged in the stabilizing slots (1012) and are connected by a return spring (1013).
5. A collapsible near-bit geosteering drilling structure as claimed in claim 1, wherein the stabiliser (1014) comprises a stabilising sleeve (10141), a moving block (10142) is slidably arranged in the stabilising sleeve (10141), the moving block (10142) is connected with a moving column (10143), and the moving column (10143) is connected with a fixed clamping column (109).
6. A collapsible near-bit geosteering drilling structure as claimed in claim 5, wherein the dog (10142) and the stabilizing sleeve (10141) are connected by a stabilizing spring (10144).
7. The removable near-bit geosteering drilling structure of claim 1, wherein the positioning mechanism (11) comprises a positioning sleeve (111), a positioning block (112) is slidably arranged in the positioning sleeve (111), a positioning pull column (113) is arranged at the top of the positioning block (112), the positioning pull column (113) penetrates through the positioning sleeve (111) to be connected with a positioning pull block (114), a positioning clamp rod (115) is arranged at the bottom of the positioning block (112), and the positioning clamp rod (115) penetrates through the positioning sleeve (111) to be in clamping fit with the positioning opening (1015).
8. The removable near-bit geosteering drilling structure as claimed in claim 7, wherein said locator bar (115) is sleeved with a locating spring (116), said locating spring (116) is connected with a locating pull block (114), and the bottom end is connected with the bottom wall of the locating sleeve (111).
9. The near-bit detachable geosteering drilling structure as claimed in claim 1, wherein the warning device (12) comprises a warning sleeve box (121), a first contact piece (122) is arranged in the warning sleeve box (121), a warning column (123) is movably arranged on the warning sleeve box (121), the warning column (123) is matched with the first connecting rod (3), the warning column (123) is connected with a second contact piece (124), the second contact piece (124) is connected with the inner wall of the warning sleeve box (121) through a warning spring (125), and a power supply and an alarm (126) are arranged outside the warning device (12).
10. The removable near-bit geosteering drilling structure of claim 9, wherein said power source and alarm (126) are electrically connected to said first contact (122) and said second contact (124).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011117099.5A CN112160721A (en) | 2020-10-19 | 2020-10-19 | Geological guiding drilling structure with detachable near drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011117099.5A CN112160721A (en) | 2020-10-19 | 2020-10-19 | Geological guiding drilling structure with detachable near drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112160721A true CN112160721A (en) | 2021-01-01 |
Family
ID=73867388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011117099.5A Withdrawn CN112160721A (en) | 2020-10-19 | 2020-10-19 | Geological guiding drilling structure with detachable near drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112160721A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112901076A (en) * | 2021-04-09 | 2021-06-04 | 西安科技大学 | Horizontal drilling tool without damaging permeability of tailing sand |
| CN114165169A (en) * | 2021-12-10 | 2022-03-11 | 江苏和信石油机械有限公司 | Interlocking type radial adjustable drill rod for rescue |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112901076A (en) * | 2021-04-09 | 2021-06-04 | 西安科技大学 | Horizontal drilling tool without damaging permeability of tailing sand |
| CN114165169A (en) * | 2021-12-10 | 2022-03-11 | 江苏和信石油机械有限公司 | Interlocking type radial adjustable drill rod for rescue |
| CN114165169B (en) * | 2021-12-10 | 2023-06-27 | 江苏和信石油机械有限公司 | Interlocking type radial adjustable drill rod for rescue |
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Application publication date: 20210101 |