CN214062893U

CN214062893U - Drift diameter gauge for drill rod column

Info

Publication number: CN214062893U
Application number: CN202022133686.5U
Authority: CN
Inventors: 张东海; 张天然
Original assignee: Zhongman Petroleum And Natural Gas Group Co ltd
Current assignee: Zhongman Petroleum And Natural Gas Group Co ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-08-27
Anticipated expiration: 2030-09-25

Abstract

The utility model relates to a drift diameter gauge for a drill stem stand column, which structurally comprises a main body, a flexible bottom, a rope and a liquid level pipe, wherein the flexible bottom is arranged at the lower end of the main body and is a cambered surface; form the cavity between flexible bottom and the main part, liquid level pipe lower extreme intercommunication cavity top, the liquid level pipe extends to the main part outside in addition, and rope one end is connected and is fixed in the main part upper end, fills water in the cavity and the liquid level pipe. The utility model can conveniently judge whether the inner wall of the drill rod stand column is blocked or not through the liquid level change in the liquid level pipe or the volume change of the air bag, and is convenient, rapid and visual; due to the arrangement of the rubber ring, the scratch and rubbing between the drift diameter gauge and the coating on the inner wall of the drill rod stand column can be reduced, and part of attachments on the inner wall of the drill rod stand column can be removed.

Description

Drift diameter gauge for drill rod column

Technical Field

The utility model relates to an oil drilling technical field, concretely relates to drift diameter gauge for drilling rod stand.

Background

In the drilling operation in-process, impurity such as silt can be stayed to the drilling rod stand inner wall under the general condition, sometimes still can have the tong teeth of hydraulic tong to drop and block in the drilling rod stand, whether block up in the drilling rod stand consequently need be examined to the time of the drilling rod stand, if take place to block up or other foreign matters, then need carry out the drilling rod stand latus rectum.

The conventional method is to tie a rope on an iron block, put the iron block into the drill rod stand column from the upper end of the drill rod stand column, and if the iron block is blocked, the iron block cannot pass through the drill rod stand column, so that the drift diameter is performed.

But the iron plate probably causes destruction to the coating of drilling rod stand inner wall in the drilling rod stand, judges moreover whether to block up and has the degree of difficulty, needs operating personnel to rely on and feels to judge whether the iron plate blocks up by the jam thing.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a drift diameter rule for drilling rod stand is convenient for judge whether the drilling rod stand blocks up, and can not destroy the coating of drilling rod stand inner wall, the technical purpose of the utility model is realized through following technical scheme:

a drift diameter gauge for a drill rod stand column structurally comprises a main body, a flexible bottom, a rope and a liquid level pipe, wherein the flexible bottom is installed at the lower end of the main body and is in a cambered surface shape; form the cavity between flexible bottom and the main part, liquid level pipe lower extreme intercommunication cavity top, the liquid level pipe extends to the main part outside in addition, and rope one end is connected and is fixed in the main part upper end, fills water in the cavity and the liquid level pipe.

Further, the main part includes casing, balancing weight, and the casing lower extreme is equipped with the opening cavity, and the balancing weight is installed in the casing.

Furthermore, the surface of the main body outside the opening cavity is also provided with a circle of arc-shaped groove, and the upper edge of the flexible bottom is wrapped in the arc-shaped groove.

Further, a rubber ring is further installed in the arc-shaped groove, the rubber ring is sleeved on the outer side of the upper edge of the flexible bottom, the rubber ring can reduce the scratch between the drift diameter gauge and a coating on the side wall of the drill rod stand column on one hand, and can enable the flexible bottom and the main body to be connected more tightly on the other hand, and in addition, some attachments on the inner wall of the drill rod stand column can be removed.

Furthermore, the outer sides of the rope and the liquid level pipe are also covered with protective pipes.

Further, the upper end of the liquid level pipe is provided with an air bag, the upper end of the liquid level pipe can be plugged through the air bag, and liquid in the liquid level pipe is prevented from running off.

Furthermore, the other end of the rope is also provided with a falling protector which comprises a round frame, a cross rod is arranged inside the round frame, one end of the rope is fixed on the cross rod, and the falling protector can prevent the drift diameter gauge from falling into the drill rod stand column.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. whether the inner wall of the drill rod stand column is blocked or not is convenient to judge through the liquid level change in the liquid level pipe, and the liquid level in the liquid level pipe changes once the inner wall of the drill rod stand column is blocked.

2. The setting of gasbag can avoid the intraductal liquid loss of liquid level on the one hand, in case the liquid level changes also can change in addition on the one hand gasbag volume, also can judge through gasbag volume change whether to have jam, foreign matter.

3. Due to the arrangement of the rubber ring, the scratch and rubbing between the drift diameter gauge and the coating on the inner wall of the drill rod stand column can be reduced, and part of attachments on the inner wall of the drill rod stand column can be removed.

Drawings

Fig. 1 is a schematic structural diagram of the drift diameter gauge of the present invention.

Fig. 2 is a cross-sectional view of the drift diameter gauge of the present invention.

Fig. 3 is a diagram of the usage state of the drift diameter gauge of the present invention.

Fig. 4 shows another state of use of the drift diameter gauge of the present invention.

Fig. 5 is a schematic structural view of the safety catcher of the present invention.

Fig. 6 is a schematic view of the flexible bottom structure of the present invention.

In the figure, 1, main body; 2. a flexible bottom; 3. a rubber ring; 4. an arc-shaped slot; 5. a rope; 6. a liquid level tube; 7. an air bag; 8. a protective tube; 9. a balancing weight; 10. an open cavity; 11. a drill rod column; 12. a foreign matter; 13. an adherent; 14. a falling protector.

Detailed Description

The technical solution of the present invention is further described below with reference to the following embodiments:

a drift diameter gauge for a drill rod column is shown in figures 1-6 and comprises a main body 1, a flexible bottom 2, a rope 5 and a liquid level pipe 6, wherein the flexible bottom 2 is formed by latex material in a mould pressing mode, has elasticity, is in a hollow spherical shape, and has the thickness of 1mm-1.4 mm; the main body 1 comprises a shell and a balancing weight 9, the shell is in a bell shape, an opening cavity 10 is arranged at the lower end of the shell, an arc-shaped groove 4 is arranged on the periphery of the opening cavity 10, and the flexible bottom 2 is sleeved at the position of the arc-shaped groove 4, so that the flexible bottom 2 and the opening cavity 10 at the lower end of the main body 1 form a cavity; the balancing weight 9 is an iron block and is fixed in the shell; a liquid level pipe 6 penetrates through the shell, the diameter of the liquid level pipe 6 is 2-3mm, the liquid level pipe 6 is required to have certain flexibility and can be bent, the liquid level pipe can be a rubber pipe and can also be a plastic hose such as polyethylene or polypropylene, the lower end of the liquid level pipe 6 is communicated with the upper end of an opening cavity 10, the upper end of the liquid level pipe 6 extends out of the main body 1, an air bag 7 is arranged at the upper end of the liquid level pipe 6, the air bag 7 is a latex product and is shaped like a balloon, and water is injected into the cavity and the liquid level pipe 6; a rope 5 is fixed at the upper end of the main body 1, the rope 5 is a steel wire rope, and the steel wire rope and the liquid level pipe 6 are coated together by a protective pipe.

In order to enable the flexible bottom 2 to be installed more tightly, a rubber ring 3 is installed in the arc-shaped groove 4, the edge of the upper end of the flexible bottom is compressed by the rubber ring 3, and the outer edge of the rubber ring 3 protrudes relatively, so that the scratch and rubbing between the main body 1 and the coating on the inner side of the drill rod upright post 11 are reduced.

In order to prevent the drift diameter gauge from accidentally falling into the drill rod upright post 11, the other end of the rope 5 is also provided with a falling protector 14, the falling protector 14 comprises a circular frame, a cross rod is arranged in the circular frame, the diameter of the circular frame is larger than the inner diameter of the drill rod upright post 11, and one end of the rope 5 is fixed on the cross rod.

During the use, handheld safety hook one end is gradually put down the drift diameter rule in the drilling rod stand 11, transfers the in-process and can suitably swing wire rope, if the liquid level of liquid level pipe upper end changes or gasbag volume increases, then explains that there may be foreign matter 12 or attachment 13 more in the drilling rod stand 11, needs clear up, transfers length according to wire rope and judges foreign matter or attachment place position, lifts this section drilling rod off from the drilling rod stand and clears up.

The present embodiment is only for further explanation of the present invention, and is not a limitation of the present invention, and those skilled in the art can make various inventive modifications to the present embodiment as needed after reading the present specification, but all of them are protected by patent law within the scope of the present invention.

Claims

1. The drift diameter gauge for the drill rod stand column is characterized by structurally comprising a main body, a flexible bottom, a rope and a liquid level pipe, wherein the flexible bottom is arranged at the lower end of the main body and is an arc surface; form the cavity between flexible bottom and the main part, liquid level pipe lower extreme intercommunication cavity top, the liquid level pipe extends to the main part outside in addition, rope one end is connected and is fixed in the main part upper end, fill water in the cavity and the liquid level pipe.

2. The drift diameter gauge for the drill rod column as claimed in claim 1, wherein the main body comprises a housing and a counterweight, the lower end of the housing is provided with an open cavity, and the counterweight is mounted in the housing.

3. The drift diameter gauge for the drill rod stand column as claimed in claim 2, wherein the main body surface outside the open cavity is further provided with a circle of arc-shaped groove, and the upper edge of the flexible bottom is covered in the arc-shaped groove.

4. The drift diameter gauge for the drill rod stand column as claimed in claim 3, wherein a rubber ring is further installed in the arc-shaped groove, and the rubber ring is sleeved outside the upper edge of the flexible bottom.

5. The drift diameter gauge for the drill rod column as claimed in claim 1, wherein the outside of the rope and the liquid level pipe is further coated with a protective pipe.

6. The drift diameter gauge for the drill stem stand as claimed in claim 1, wherein the upper end of the liquid level pipe is provided with an air bag.

7. The drift diameter gauge for the drill pipe column according to any one of claims 1 to 6, wherein the other end of the rope is provided with a falling protector, the falling protector comprises a circular frame, a cross rod is arranged inside the circular frame, and one end of the rope is fixed on the cross rod.