CN214997457U

CN214997457U - Sandstone fast drilling coring equipment

Info

Publication number: CN214997457U
Application number: CN202120786535.1U
Authority: CN
Inventors: 游利军; 游华东; 康毅力; 田键; 王艺钧; 刘涛; 李可明
Original assignee: Southwest Petroleum University
Current assignee: Southwest Petroleum University
Priority date: 2021-04-17
Filing date: 2021-04-17
Publication date: 2021-12-03
Anticipated expiration: 2031-04-17

Abstract

The utility model discloses an equipment of coring is bored fast to sandstone, which comprises a drill bit, the lower fixed surface of drill bit installs the brill tooth, the fixed surface of drill bit installs the linking pipe, the last fixed surface who links up the pipe installs the connector, the mounting hole has been seted up on the surface of drill bit, the inside of mounting hole intercommunication drill bit, the inner wall of mounting hole is provided with the mounting panel, the side fixed mounting of mounting panel has hydraulic telescoping rod, hydraulic telescoping rod's flexible end fixedly connected with presss from both sides tight head. This equipment of coring is bored fast to sandstone is through setting up hydraulic telescoping rod in the drill bit to installation clamping head on hydraulic telescoping rod, before promoting the drill bit, drives through hydraulic telescoping rod and presss from both sides the rock core of clamping head in to the drill bit and pressurize, and the drill bit continuously rotates simultaneously, cuts out a slot on the surface of rock core, and clamping head card is established at the ditch inslot, at the in-process that promotes, can avoid the rock core to drop, has improved the extraction efficiency of rock core.

Description

Sandstone fast drilling coring equipment

Technical Field

The utility model relates to a drilling equipment technical field specifically is a sandstone bores equipment of coring fast.

Background

In the process of developing the oil and gas reservoir, core analysis is a necessary means for knowing geological characteristics of the oil and gas reservoir, is the basis of the technology for protecting the oil and gas reservoir, and is the starting point of the system engineering for protecting the technology of the oil and gas reservoir. In order to analyze the core, firstly, a complete core needs to be drilled, and in the process of drilling the core, the extracted core falls off from a drill pipe in the lifting process because the protection device is not arranged after the core is extracted, so that the detection amount cannot be reached once, and the core needs to be drilled for many times, and the working efficiency is low. When the core is drilled, a drill bit is used for drilling downwards, the core is kept in the drill pipe, and after the core is drilled downwards for a certain distance, the drill bit and the drill pipe need to be lifted out of the drill hole to extract the core in the drill pipe. Because the core in the drill pipe is not provided with a fixing device in the process of lifting the drill bit and the drill pipe, the extracted core is easy to fall off from the drill pipe in the lifting process, and the core is damaged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an equipment of coring is bored fast to sandstone to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an equipment of coring is bored fast to sandstone, includes the drill bit, the lower fixed surface of drill bit installs and bores the tooth, the fixed surface of drill bit installs and links up the pipe, the last fixed surface who links up the pipe installs the connector, the mounting hole has been seted up on the surface of drill bit, the inside of mounting hole intercommunication drill bit, the inner wall of mounting hole is provided with the mounting panel, the side fixed mounting of mounting panel has hydraulic telescoping rod, hydraulic telescoping rod's flexible end fixedly connected with presss from both sides tight head, the last fixed surface of drill bit is connected with control cable.

The number of the drilling teeth is a plurality, and the drilling teeth are arranged on the lower surface of the drill bit in a circumferential array mode.

The surface of linking pipe is through bolt fixedly connected with clamp, the interior anchor ring of clamp and control cable's surface overlap joint, the quantity of clamp is a plurality of, a plurality of the clamp equidistance sets up the surface at the linking pipe.

A plurality of mounting through holes are formed in the surface of the mounting plate, a plurality of connecting bolts are inserted into the inner walls of the mounting through holes, and the mounting plate is fixedly connected with the drill bit through the connecting bolts.

The quantity of mounting panel, mounting hole, hydraulic telescoping rod and clamp head is twelve, and every four mounting holes are a set of, three groups the mounting hole equidistance sets up the surface at the drill bit.

The fixed surface of drill bit installs a plurality of wear-resisting protruding, a plurality of wear-resisting protruding equidistance sets up on the surface of drill bit.

Compared with the prior art, the utility model discloses possess following beneficial effect:

(1) this equipment of coring is bored fast to sandstone is through setting up hydraulic telescoping rod in the drill bit to install the clamping head on hydraulic telescoping rod, before promoting the drill bit, drive the clamping head through hydraulic telescoping rod and pressurize the rock core in the drill bit, the drill bit lasts to rotate simultaneously, can cut out a slot on the surface of rock core, the clamping head card is established at the ditch inslot, at the in-process that promotes, can avoid the rock core to drop, has improved the extraction efficiency of rock core.

(2) This equipment of coring is bored fast to sandstone sets up the wear-resisting arch of a plurality of through the surface at the drill bit, when the drill bit rotates, can protect the mounting panel, avoids the inner wall mounting panel of well drilling to cause the extrusion, sets up the clamp through the surface at the connection pipe, can restrict control cable.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the front cross-section structure of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: 1 drill bit, 2 drill teeth, 3 mounting plates, 4 hoops, 5 control cables, 6 connecting pipes, 7 connectors, 8 hydraulic telescopic rods, 9 connecting bolts, 10 clamping heads and 11 wear-resistant bulges.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an equipment of coring is bored fast to sandstone, includes drill bit 1, and the lower fixed surface of drill bit 1 installs and bores tooth 2, and the quantity of boring tooth 2 is a plurality of, and a plurality of bores tooth 2 and is the circumference array setting at the lower surface of drill bit 1, and the fixed surface of drill bit 1 installs linking pipe 6, and the fixed surface of the upper surface of linking pipe 6 installs connector 7.

Mounting hole has been seted up on the surface of drill bit 1, the inside of mounting hole intercommunication drill bit 1, the inner wall of mounting hole is provided with mounting panel 3, the side fixed mounting of mounting panel 3 has hydraulic telescoping rod 8, hydraulic telescoping rod 8's flexible end fixedly connected with presss from both sides tight head 10, a plurality of installation through-hole has been seted up on mounting panel 3's surface, the inner wall of a plurality of installation through-hole is all inserted and is equipped with connecting bolt 9, mounting panel 3 passes through connecting

bolt

9 and 1 fixed connection of drill bit, mounting panel 3, the mounting hole, hydraulic telescoping rod 8 and the quantity of pressing from both sides tight head 10 are twelve, every four mounting holes are a set of, three mounting hole equidistance of group set up on drill bit 1's surface.

Through setting up hydraulic telescoping rod 8 in drill bit 1 to install clamping head 10 on hydraulic telescoping rod 8, before promoting drill bit 1, drive through hydraulic telescoping rod 8 and press from both sides clamping head 10 and pressurize the rock core in drill bit 1, drill bit 1 continuously rotates simultaneously, can cut out a slot on the surface of rock core, and clamping head 10 card is established at the ditch inslot, at the in-process that promotes, can avoid the rock core to drop, has improved the extraction efficiency of rock core.

The last fixed surface of drill bit 1 is connected with control cable 5, and bolt fixedly connected with clamp 4 is passed through on the surface of linking pipe 6, and the inner ring face of clamp 4 and control cable 5's surface overlap joint, and the quantity of clamp 4 is a plurality of, and a plurality of clamp 4 equidistance sets up on the surface of linking pipe 6, and the fixed surface of drill bit 1 installs the wear-resisting arch 11 of a plurality of, and the wear-resisting arch 11 equidistance of a plurality of sets up on the surface of drill bit 1.

Through set up the wear-resisting arch 11 of a plurality of on the surface at drill bit 1, when drill bit 1 rotated, can protect mounting panel 3, the inner wall mounting panel 3 of avoiding drilling caused the extrusion, through set up clamp 4 on the surface of adapter tube 6, can restrict control cable 5.

The working principle is as follows: when using this sandstone to bore equipment of coring fast, after drilling the coring downwards, before need promoting drill bit 1, drive through hydraulic telescoping rod 8 and press from both sides tight head 10 and pressurize the rock core in the drill bit 1, drill bit 1 continuously rotates simultaneously, can cut a slot in the surface of rock core, presss from both sides tight head 10 card and establishes at the ditch inslot, at the in-process that promotes, can avoid the rock core to drop, has improved the extraction efficiency of rock core.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an equipment of sandstone rapid drilling coring, includes drill bit (1), its characterized in that: the utility model discloses a drill bit, including drill bit (1), the lower fixed surface of drill bit (1) installs and bores tooth (2), the fixed surface of drill bit (1) installs linking pipe (6), the last fixed surface who links up pipe (6) installs connector (7), the mounting hole has been seted up on the surface of drill bit (1), the inside of mounting hole intercommunication drill bit (1), the inner wall of mounting hole is provided with mounting panel (3), the side fixed mounting of mounting panel (3) has hydraulic telescoping rod (8), the flexible end fixedly connected with of hydraulic telescoping rod (8) presss from both sides tight head (10), the last fixed surface of drill bit (1) is connected with control cable (5).

2. The sandstone rapid coring apparatus of claim 1, wherein: the number of the drilling teeth (2) is a plurality, and the drilling teeth (2) are arranged on the lower surface of the drill bit (1) in a circumferential array mode.

3. The sandstone rapid coring apparatus of claim 1, wherein: the surface of linking pipe (6) passes through bolt fixedly connected with clamp (4), the interior anchor ring of clamp (4) and the surperficial overlap joint of control cable (5), the quantity of clamp (4) is a plurality of, a plurality of clamp (4) equidistance sets up the surface at linking pipe (6).

4. The sandstone rapid coring apparatus of claim 1, wherein: a plurality of mounting hole, a plurality of have been seted up on the surface of mounting panel (3) mounting hole's inner wall is all inserted and is equipped with connecting bolt (9), mounting panel (3) are through connecting bolt (9) and drill bit (1) fixed connection.

5. The sandstone rapid coring apparatus of claim 1, wherein: the quantity of mounting panel (3), mounting hole, hydraulic telescoping rod (8) and clamp tight head (10) is twelve, and every four mounting holes are a set of, three groups the mounting hole equidistance sets up the surface at drill bit (1).

6. The sandstone rapid coring apparatus of claim 1, wherein: the fixed surface of drill bit (1) installs a plurality of wear-resisting protruding (11), a plurality of wear-resisting protruding (11) equidistance sets up the surface at drill bit (1).