CN216767299U

CN216767299U - Drill rod joint device capable of assisting in deslagging

Info

Publication number: CN216767299U
Application number: CN202122766928.9U
Authority: CN
Inventors: 徐斌; 李思齐; 王宇翔; 李敏; 焦韶禹
Original assignee: Wuyang Coal Mine Of Shanxi Lu'an Environmental Energy Development Co ltd
Current assignee: Wuyang Coal Mine Of Shanxi Lu'an Environmental Energy Development Co ltd
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-06-17
Anticipated expiration: 2031-11-12

Abstract

The utility model discloses a drill rod joint device capable of assisting in deslagging. The method of the utility model comprises the following steps: a first joint and a second joint are arranged at two ends of the joint main body; the joint main body is provided with a herringbone side hole which comprises a spring plugging hole and a slag discharge hole, and one end of the slag discharge hole is communicated with the spring plugging hole; still include the sediment valve, the sediment valve is including the activity cock body that links to each other in proper order, spring and the fixed body, the sediment valve is established at the spring plugged hole, the activity cock body can slide in the spring plugged hole, the fixed body sets up the outside one end in the spring plugged hole, the spring is when receiving the pressure that is less than pressure limit value down the activity cock body be located between sediment hole one end and the inboard one end in spring plugged hole, the spring is when receiving the pressure that is not less than pressure limit value, the activity cock body moves to between the outside one end in spring plugged hole and sediment hole one end. The utility model can accelerate the slag discharge process, solve the problems of no water return, drill clamping and drill falling in the water drill construction process and improve the hole forming rate of the drill hole.

Description

Drill rod joint device capable of assisting in deslagging

Technical Field

The utility model relates to a drill rod joint, in particular to a drill rod joint device capable of assisting in deslagging.

Background

The drill rod is a steel pipe with threads at the end for connecting the surface equipment of the drilling machine and the drilling and grinding equipment or bottom hole device at the bottom end of the drilled well, and the drill rod must be capable of bearing huge internal and external pressure, distortion, bending and vibration during the operation of the drilling machine.

Drill pipe joints are required to connect drill pipes. However, the common drill rod joint only connects two drill rods without the function of auxiliary slag discharge, so that in the actual drilling process, when the gas content and pressure are high, the situations of drill clamping and drill jacking are easy to occur, and accordingly drill dropping, water returning and slag discharge are slow.

In order to solve the technical problems, the utility model provides a drill rod joint device capable of assisting in slag discharge.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, provides a drill rod joint device capable of assisting in slag discharge, can accelerate the slag discharge process, solves the problems of no water return, no drill clamping and no drill falling in the water drilling construction process, and improves the drilling rate.

In order to achieve the above purpose, the utility model provides the following technical scheme:

a drill rod joint device capable of assisting in deslagging comprises a joint main body, wherein a first joint and a second joint are arranged at two ends of the joint main body, the first joint is an external thread, and the second joint is an internal thread; the method is characterized in that: the connector main body is provided with a herringbone side hole which comprises a spring plugging hole and a slag discharge hole, and one end of the slag discharge hole is communicated with the spring plugging hole;

still include the sediment valve, the sediment valve is including consecutive activity cock body, spring and the fixed body, the sediment valve sets up in the spring plug hole, the activity cock body can slide in the spring plug hole, the fixed body sets up the outside one end in the spring plug hole, the spring is when receiving the pressure that is less than the ultimate pressure value down the activity cock body be located between sediment hole one end and the inboard one end in spring plug hole, the spring is when receiving the pressure that is not less than the ultimate pressure value, the activity cock body moves to between the outside one end in spring plug hole and sediment hole one end.

Preferably, the angle between the central line of the spring plugging hole and the central line of the joint main body is 60-80 degrees.

Preferably, the angle between the central line of the slag discharge hole and the central line of the joint main body is 45-20 degrees.

Preferably, the outer diameter of the movable plug body is larger than the inner diameter of the spring plugging hole, and the movable plug body and the spring plugging hole are in interference fit.

Preferably, the movable plug body is made of rubber or silica gel, and has good elasticity and high friction coefficient.

Preferably, the limit pressure value of the spring is 4-8 Mpa, the interior of the drill bit main body is communicated with the slag discharge hole when the spring is subjected to the pressure of the limit pressure value or more, and after pressure is relieved, the spring automatically restores to a natural state, namely the slag discharge valve is closed.

Preferably, the spring has a limit pressure value of 5 Mpa.

Specifically, a first joint of the device is connected with one drill rod, a second joint is connected with the other drill rod, and the interior of the second joint is communicated with the interior of the second joint;

when the pressure in the drilling hole reaches 5Mpa, the spring is extruded by pressure, so that the spring plugging hole is communicated with the slag discharge hole, and then the moisture in the drilling hole is discharged through the slag discharge hole, thereby accelerating the slag discharge speed, and simultaneously solving the problems of no water return, drill clamping and drill falling in the water drill construction process.

The utility model has the beneficial effects that:

this device is through opening chevron shape side opening on adopting the drill bit main part, and the side opening is spring shutoff hole and row's sediment hole respectively, and the sediment valve is placed to spring shutoff downthehole, and sediment valve is in closed condition under the normal condition, and the through-hole of spring shutoff hole and row's sediment hole can be blocked to spring natural length, and when the inside pressure of drilling reached 5Mpa, the spring received the extrusion, and row's sediment hole and drill bit main part intercommunication to go out water, the row's sediment process with higher speed, the phenomenon of not anti-water in the water bores the work progress, press from both sides and bore and fall is solved.

By adopting the scheme, the slag discharging process can be accelerated, the phenomena of no water return, drill clamping and drill falling in the water drill construction process are solved, and the drilling hole forming rate is improved.

Drawings

To more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art description will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic sectional structure diagram of the present embodiment.

In the figure, 1-joint main body, 1-1-first joint, 1-2-second joint, 1-3-spring blocking hole, 1-4-slag discharging hole, 1-5-through hole, 2-slag discharging valve, 2-1-movable plug body, 2-2-spring and 2-3-fixed body.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

As shown in fig. 1, a drill rod joint device capable of assisting in slag removal comprises a joint main body 1, wherein a first joint 1-1 and a second joint 1-2 are arranged at two ends of the joint main body 1, the first joint 1-1 is an external thread, and the second joint 1-2 is an internal thread; the method is characterized in that: the joint main body 1 is provided with a herringbone side hole which comprises a spring plugging hole 1-3 and a slag discharge hole 1-4, and one end of the slag discharge hole 1-4 is communicated with the spring plugging hole 1-3;

still include sediment valve 2, sediment valve 2 includes consecutive activity cock body 2-1, spring 2-2 and the fixed body 2-3, sediment valve 2 sets up in spring shutoff hole 1-3, activity cock body 2-1 can slide in spring shutoff hole 1-3, the fixed body 2-3 sets up the outside one end in spring shutoff hole 1-3, activity cock body 2-1 is located between sediment hole 1-4 one end and the inboard one end in spring shutoff hole 1-3 under the pressure that spring 2-2 received and is less than the extreme pressure value, when spring 2-2 received the pressure that is not less than the extreme pressure value, activity cock body 2-1 moved to between the sediment hole 1-3 outside one end and sediment hole 1-4 one end.

Preferably, the angle between the central line of the spring plugging hole 1-3 and the central line of the joint main body 1 is 60-80 degrees.

Preferably, the angle between the central line of the slag discharge hole 1-4 and the central line of the joint main body 1 is 45-20 degrees.

Preferably, the outer diameter of the movable plug body 2-1 is larger than the inner diameter of the spring plugging hole 1-3, and the two are in interference fit.

Preferably, the movable plug body 2-1 is made of rubber or silica gel, and has good elasticity and high friction coefficient.

Preferably, the limit pressure value of the spring 2-2 is 4-8 Mpa, when the spring 2-2 is subjected to the limit pressure value and above, the interior of the drill bit main body 1 is communicated with the slag discharge hole 1-4, and after pressure is relieved, the spring 2-2 automatically restores to a natural state, namely the slag discharge valve 2 is closed.

Preferably, the spring 2 has a limit pressure value of 5 Mpa.

Specifically, a first joint 1-1 of the device is connected with one drill rod, and a second joint 1-2 is connected with the other drill rod, and the interior of the first joint is communicated with the interior of the second joint;

when the pressure in the drill hole reaches 5Mpa, the spring 2-2 is extruded by the pressure, so that the spring blocking hole 1-3 is communicated with the slag discharging hole 1-4, and the moisture in the drill hole is discharged through the slag discharging hole 1-4, thereby accelerating the slag discharging speed, and simultaneously solving the problems of no water return, drill clamping and drill falling in the water drill construction process.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A drill rod joint device capable of assisting in deslagging comprises a joint main body, wherein a first joint and a second joint are arranged at two ends of the joint main body, the first joint is an external thread, and the second joint is an internal thread; the method is characterized in that: the connector main body is provided with a herringbone side hole which comprises a spring plugging hole and a slag discharge hole, and one end of the slag discharge hole is communicated with the spring plugging hole;

2. The tool joint assembly of claim 1, wherein: the angle between the central line of the spring plugging hole and the central line of the joint main body is 60-80 degrees.

3. The tool joint assembly of claim 1, wherein: the angle between the central line of the slag discharge hole and the central line of the joint main body is 45-20 degrees.

4. The tool joint assembly of claim 1, wherein: the outer diameter of the movable plug body is larger than the inner diameter of the spring plugging hole, and the movable plug body and the spring plugging hole are in interference fit.

5. The tool joint assembly of claim 1, wherein: the movable plug body is made of rubber or silica gel.

6. The tool joint assembly of claim 1, wherein: the limiting pressure value of the spring is 4-8 Mpa.

7. The tool joint assembly of claim 6, wherein: the limiting pressure value of the spring is 5 Mpa.