CN216240520U

CN216240520U - Downhole bailing barrel device

Info

Publication number: CN216240520U
Application number: CN202122259251.XU
Authority: CN
Inventors: 陈燕荣
Original assignee: Shengli Oil Field Hongsheng Petroleum Engineering Co ltd
Current assignee: Shengli Oil Field Hongsheng Petroleum Engineering Co ltd
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2022-04-08
Anticipated expiration: 2031-09-17

Abstract

The utility model relates to the technical field of bailing cylinders, and discloses an underground bailing cylinder device which comprises a cylinder body and a drill rod, wherein the lower part of the cylinder body is of an open structure, the drill rod vertically penetrates through the cylinder body in a sliding manner, the upper part of the drill rod is positioned outside the cylinder body, a drill bit is fixed at the bottom of the drill rod, an annular block is fixed on the outer ring of the drill rod above the drill bit in a surrounding manner, abutting grooves are formed in the upper surfaces of two sides of the annular block, baffle plates are arranged in the abutting grooves on the two sides of the annular block through hinges, the baffle plates are semicircular, the inner sides of the baffle plates abut against the upper parts of the inner parts of the abutting grooves, and the outer diameter of the drill bit is smaller than the inner diameter of the cylinder body. According to the utility model, the drill rod capable of sliding up and down is arranged to penetrate through the interior of the barrel, the drill bit is arranged at the bottom of the drill rod, and the semicircular baffles are arranged on two sides of the ring block above the drill bit, so that more sand stones can be conveniently collected to enter the barrel during drilling down, and the sand stones can be conveniently supported to be arranged in the barrel to be lifted during lifting, so that the sand fishing efficiency is higher.

Description

Downhole bailing barrel device

Technical Field

The utility model relates to the technical field of bailing barrels, in particular to an underground bailing barrel device.

Background

At present, in a drilling project, in order to protect surface water sources in areas around an operation area and prevent pollution accidents of local water sources, a gas drilling mode is adopted to replace a conventional clean water drilling mode, when a well section with the depth of 60 meters is drilled, water flows out of stratum, and after rock debris and the water are mixed, complex conditions such as bit balling, torque increase, well wall sand sticking and diameter reduction, drilling tool lifting jamming, reverse-stroke drilling and the like are easy to occur. If the situation is not considered, the situation is gradually increased along with the increase of the sand setting of the shaft when drilling is forcibly carried out, and the drilling work can only be forced to be stopped due to the frequent occurrence of the situations of drilling blocking and drilling sticking.

Consequently need use a bailing section of thick bamboo to drag for the grit in the pit, however prior art's a bailing section of thick bamboo is in bailing in-process, in order to compromise the grit and get into a section of thick bamboo, need can be less with its purpose of mentioning simultaneously, can have a bailing section of thick bamboo and get into the grit volume, and drop the condition that the grit is many when mentioning, lead to bailing efficiency not high. Therefore, we propose a downhole bailer device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an underground bailing barrel device, wherein a drill rod capable of sliding up and down is arranged to penetrate through the interior of a barrel body, a drill bit is arranged at the bottom of the drill rod, semicircular baffles are arranged on two sides of an annular block above the drill bit, more sand stones can be conveniently collected to enter the barrel body during drilling, and the sand stones can be conveniently supported to be arranged in the barrel body to be lifted during lifting, so that the bailing efficiency is high, and the problems in the background art are solved.

In order to achieve the purpose, the utility model provides the following technical scheme: the underground bailing barrel device comprises a barrel body and a drill rod, wherein an open structure is arranged below the barrel body, the drill rod vertically penetrates through the barrel body in a sliding manner, and the upper part of the drill rod is positioned outside the barrel body;

the drill bit is fixed at the bottom of the drill rod, a ring block is fixed on the outer ring of the drill rod above the drill bit in a surrounding mode, abutting grooves are formed in the surfaces above the two sides of the ring block, baffle plates are mounted in the abutting grooves on the two sides of the ring block through hinges and are semicircular, the inner sides of the baffle plates abut against the upper portion inside the abutting grooves, and the outer diameter of the drill bit is smaller than the inner diameter of the barrel.

As a preferred embodiment of the utility model, a limiting block is fixed on the outer ring of the drill rod in the cylinder in a surrounding manner, and the upper part of the limiting block abuts against the upper surface in the cylinder.

As a preferred embodiment of the utility model, the top of the drill rod is provided with a connector, and the connector and the upper part of the drill rod are connected into an integral structure.

In a preferred embodiment of the utility model, the drill rod is slidably inserted through the cylinder through a hole in the surface of the cylinder, and the drill rod is inserted through the middle of the cylinder.

In a preferred embodiment of the present invention, the drill bit is connected to the bottom of the drill rod as a unitary structure.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the underground bailing barrel device, the drill rod capable of sliding up and down is arranged to penetrate through the interior of the barrel body, the drill bit is arranged at the bottom of the drill rod, and the semicircular baffles are arranged on two sides of the ring block above the drill bit, so that more sand stones can be conveniently collected to enter the barrel body during drilling down, and the sand stones can be conveniently supported to be arranged in the barrel body to be lifted during lifting, so that the bailing efficiency is high.

2. According to the underground bailing cylinder device, the limiting block is fixed on the outer ring of the drill rod in the cylinder body in a surrounding mode, the upper portion of the limiting block abuts against the upper surface of the inner portion of the cylinder body, and when the drill rod carries the cylinder body to descend together, the limiting block supports the cylinder body, so that the cylinder body can be prevented from sliding down.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of the overall structure of the downhole bailing canister assembly of the present invention;

FIG. 2 is a schematic view of the configuration of the downhole bailing canister device of the present invention during the drilling of sand;

FIG. 3 is a schematic structural view of the downhole bailing cylinder apparatus of the present invention during lifting;

fig. 4 is a detailed structural diagram of the downhole bailing cylinder device at a.

In the figure: 1. a barrel; 2. a drill stem; 3. a connector; 4. a limiting block; 5. a baffle plate; 6. a ring block; 7. a drill bit; 8. a hinge; 9. and abutting against the groove.

Detailed Description

Referring to fig. 1-4, the present invention provides a technical solution: the underground bailing barrel device comprises a barrel body 1 and a drill rod 2, wherein an open structure is arranged below the barrel body 1, the drill rod 2 vertically penetrates through the barrel body 1 in a sliding manner, and the upper part of the drill rod 2 is positioned outside the barrel body 1;

the drill rod is characterized in that a drill bit 7 is fixed at the bottom of the drill rod 2, an annular block 6 is fixed on the outer ring of the drill rod 2 above the drill bit 7 in a surrounding mode, abutting grooves 9 are formed in the surfaces of the upper portions of two sides of the annular block 6, baffle plates 5 are installed in the abutting grooves 9 of the two sides of the annular block 6 through hinges 8, the baffle plates 5 are semicircular, the inner sides of the baffle plates 5 abut against the upper portions of the inner portions of the abutting grooves 9, and the outer diameter of the drill bit 7 is smaller than the inner diameter of the barrel body 1.

In the embodiment (please refer to fig. 1-4), the drill rod 2 capable of sliding up and down is arranged to penetrate through the cylinder 1, the drill bit 7 is arranged at the bottom of the drill rod 2, and the semicircular baffles 5 are arranged on two sides of the ring block 6 above the drill bit 7, so that more sand and stones can be conveniently collected to enter the cylinder 1 during drilling, and the sand and stones can be conveniently supported to be arranged inside the cylinder 1 to be lifted during lifting, so that the sand fishing efficiency is higher.

In this embodiment (please refer to fig. 1), the outer ring of the drill rod 2 inside the barrel 1 surrounds and is fixed with the limiting block 4, and the upper side of the limiting block 4 abuts against the inner upper surface of the barrel 1, and the outer ring of the drill rod 2 inside the barrel 1 surrounds and is fixed with the limiting block 4, and the upper side of the limiting block 4 abuts against the inner upper surface of the barrel 1, so that when the drill rod 2 carries the barrel 1 and descends, the limiting block 4 supports the barrel 1, and the barrel 1 can be prevented from sliding down.

In this embodiment (see fig. 1), a connector 3 is disposed on the top of the drill rod 2, the connector 3 is connected to the upper portion of the drill rod 2 to form an integral structure, and the purpose of connecting the drill rod 2 to a drilling machine can be achieved through the connector 3.

In the present embodiment (see fig. 1), the drill rod 2 slidably penetrates through the cylinder 1 through the hole on the surface of the cylinder 1, and the drill rod 2 penetrates through the middle of the cylinder 1, and the drill rod 2 penetrates through the hole on the surface of the cylinder 1.

In this embodiment (see fig. 1), the drill bit 7 is connected to the bottom of the drill rod 2 as an integral structure, and the drill bit 7 is connected to the drill rod 2 stably enough by the integral connection.

It should be noted that the utility model is a downhole bailing cylinder device, which comprises a cylinder body 1, a drill rod 2, a connector 3, a limit block 4, a baffle 5, a ring block 6, a drill bit 7, a hinge 8 and a resisting groove 9, wherein the components are all universal standard components or components known by a person skilled in the art, the structure and principle of the downhole bailing cylinder device can be known by technical manuals or conventional experimental methods, when the downhole bailing device works, the drill rod 2 is connected and installed with a drilling machine through the connector 3 at the upper end of the drill rod, the drilling machine drives the drill rod 2 and the cylinder body 1 to descend to the position needing bailing (the descending process is shown in figure 1), then the drilling machine is started to drive the drill rod 2 to rotate, so that the drill bit 7 drills downhole gravel, the baffle 5 is propped to drill upwards in the process of drilling, and further the gravel can enter the cylinder body 1 above the baffle 5 (the process of drilling is shown in figure 2), after getting into sufficient amount grit to barrel 1 inside, stop to drive drilling rod 2 and rotate, and lift drilling rod 2, baffle 5 in the drilling rod 2 outside collects the action of supporting of grit at the top and uses down, make baffle 5 be in and expand the rotation, its inboard below supports in supporting groove 9, the outside of baffle 5 supports in barrel 1 below, and then can upwards drive barrel 1 rise height in step, and leave the grit of collecting inside barrel 1, carry the grit upwards (the lift-up process is like figure 3), later make drilling rod 2 at the inside decline height of barrel 1, can be with its inside collection be the grit discharge.

Claims

1. The utility model provides a bailing barrel device in pit, includes barrel (1) and drilling rod (2), its characterized in that: the lower part of the cylinder body (1) is of an open structure, the drill rod (2) vertically penetrates through the cylinder body (1) in a sliding manner, and the upper part of the drill rod (2) is positioned outside the cylinder body (1);

the drill rod structure is characterized in that a drill bit (7) is fixed to the bottom of the drill rod (2), an annular block (6) is fixed to the outer ring of the drill rod (2) above the drill bit (7) in a surrounding mode, abutting grooves (9) are formed in the surfaces of the upper portions of the two sides of the annular block (6), baffle plates (5) are installed in the abutting grooves (9) on the two sides of the annular block (6) through hinges (8), the baffle plates (5) are semi-circular, the inner sides of the baffle plates (5) abut against the upper portions of the inner portions of the abutting grooves (9), and the outer diameter of the drill bit (7) is smaller than the inner diameter of the barrel body (1).

2. A downhole bailer device according to claim 1, wherein: the drill rod (2) outer ring in the cylinder body (1) is fixedly provided with a limiting block (4) in a surrounding mode, and the upper portion of the limiting block (4) abuts against the surface of the upper portion in the cylinder body (1).

3. A downhole bailer device according to claim 1, wherein: the top of drilling rod (2) is provided with connector (3), and connector (3) are connected into overall structure with drilling rod (2) top.

4. A downhole bailer device according to claim 1, wherein: the drill rod (2) can penetrate through the cylinder body (1) through the hole on the surface of the cylinder body (1) in a sliding mode, and the drill rod (2) penetrates through the middle of the cylinder body (1).

5. A downhole bailer device according to claim 1, wherein: the drill bit (7) is connected with the bottom of the drill rod (2) to form an integral structure.