CN212898343U

CN212898343U - Petroleum underground drill rod

Info

Publication number: CN212898343U
Application number: CN202020863050.3U
Authority: CN
Inventors: 陈健; 涂君
Original assignee: Tianjin Baian Technology Co ltd
Current assignee: Tianjin Baian Technology Co ltd
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2021-04-06
Anticipated expiration: 2030-05-21

Abstract

The utility model discloses an oil drilling rod in pit belongs to drilling rod manufacturing technical field, including connecting rod A, through-hole A's one end is seted up to connecting rod A lateral wall, just through-hole A's the other end extends to the spread groove inside wall, the spread groove inside wall can be dismantled through some screw threads A of seting up and connecting rod B's one end and be connected, through-hole A inside wall is pegged graft and is had bolt A's one end, just bolt A's the other end can be dismantled with some draw-in groove A that connecting rod B lateral wall was seted up and be connected. The utility model discloses an inside the spread groove along screw thread A rotation connecting rod B can dismantle the connection between connecting rod A and the connecting rod B, inside rethread along through-hole A rotation bolt A and extend to draw-in groove A to can further connect between connecting rod A and the connecting rod B, avoid taking place between connecting rod A and the connecting rod B not hard up, device simple structure and practicality are strong, are fit for being extensively promoted and used.

Description

Petroleum underground drill rod

Technical Field

The utility model relates to a drilling rod, in particular to oil drilling rod in pit.

Background

The drill rod is a steel pipe with threads at the tail part and is used for connecting surface equipment of a drilling machine and drilling and grinding equipment or a bottom hole device at the bottom end of a drilled well. The purpose of the drill pipe is to carry drilling mud to the drill bit and, together with the drill bit, raise, lower or rotate the bottom hole assembly. The drill pipe must be able to withstand large internal and external pressures, twists, bends and vibrations. In the process of oil and gas exploitation and extraction, the drill pipe can be used for multiple times. The drill rods are divided into a kelly, a drill rod and a weighted drill rod.

A scrape mud mechanism that patent number CN 201810891360.3 published can scrape mud to the drilling rod outer wall of process and handle for the earth and the drilling rod quickly separating of drilling rod outer wall need not artifical clearance again in later stage

Although the above patent scheme solves the defects of the traditional oil drill rod, the scheme still has some defects 1, and the existing oil drill rod is easy to loosen in the using process due to the adoption of threaded connection, so that the service life of the drill rod is seriously influenced; 2. the drill bit of the existing oil drill rod is mostly connected with the drill rod in a welding mode, so that the drill rod with a certain length needs to be replaced when the drill bit is damaged and needs to be replaced, and the use cost of the drill bit is seriously increased; to this end, we propose an oil well drill pipe to solve the problems mentioned in the background above.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an inside the spread groove along screw thread A rotation connecting rod B can dismantle the connection between connecting rod A and the connecting rod B, inside rethread along through-hole A rotation bolt A and extend to draw-in groove A to can further connect between connecting rod A and the connecting rod B, avoid taking place between connecting rod A and the connecting rod B not hard up, device simple structure and practicality are strong, are fit for being extensively promoted and used.

The utility model provides a specific technical scheme as follows:

the utility model provides a pair of oil drilling rod in pit, including connecting rod A, through-hole A's one end is seted up to connecting rod A lateral wall, just through-hole A's the other end extends to the spread groove inside wall, the spread groove inside wall can be dismantled through some screw threads A of seting up and connecting rod B's one end and be connected, through-hole A inside wall is pegged graft and is had bolt A's one end, just bolt A's the other end and connecting rod B lateral wall are seted up some draw-in groove A and can be dismantled and be connected, connecting rod A bottom surface outer wall can be dismantled through some screw threads B of seting up and some recesses that the drill bit upper.

Optionally, the drill bit outer side wall is provided with a through hole B, one end of a bolt B is inserted into the through hole B inner side wall, and the other end of the bolt B is detachably connected with a clamping groove B formed in the connecting rod B outer side wall.

Optionally, the connecting groove is formed in the upper surface of the connecting rod A, the connecting rod B is the same as the outer surface of the connecting rod A in structure, and the connecting rod A is located in the middle of the connecting rod B and the drill bit.

Optionally, the groove is formed in the upper surface of the drill bit, and the number of the bolts a and the number of the bolts B are multiple.

The utility model has the advantages as follows:

1. the utility model discloses at first through inside the spread groove along screw thread A swivelling joint pole B and can dismantle the connection between connecting rod A and the connecting rod B, inside rethread along through-hole A swivelling joint bolt A and extend to draw-in groove A to can further connect between connecting rod A and the connecting rod B, avoid connecting rod A and connecting rod B to take place not hard up in the use, improve drilling rod life.

2. The utility model discloses a drill collar of connecting rod A and connecting rod B surface can in time transport out drilling with the earth that the drilling process produced, the rethread along recess swivelling joint pole A and can dismantle the connection between connecting rod A and the drill bit, it is inside along through-hole B swivel bolt B and extend to draw-in groove B immediately, thereby can further dismantle the connection between drill bit and the connecting rod A, connect stably and reliably, only need change the drill bit alone when having realized the drill bit damage through the connected mode that adopts the combination formula, the use cost of drill bit has been reduced.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described 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 without creative efforts.

Fig. 1 is a schematic overall structure diagram of an oil well drill pipe according to an embodiment of the present invention;

FIG. 2 is a schematic view of a connection slot of a petroleum downhole drill rod according to an embodiment of the present invention;

fig. 3 is a schematic view of a groove structure of an oil well drill rod according to an embodiment of the present invention.

In the figure: 1. a connecting rod A; 2. drilling a ring; 3. a drill bit; 4. a connecting rod B; 5. connecting grooves; 6. a thread A; 7. a bolt A; 8. a through hole A; 9. a clamping groove A; 10. a groove; 11. a thread B; 12. a through hole B; 13. a bolt B; 14. and a clamping groove B.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, 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 efforts belong to the protection scope of the present invention.

An oil well drill pipe according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 3.

Referring to fig. 1, 2 and 3, an oil well drilling rod provided by an embodiment of the present invention includes a connecting rod a1, wherein an outer side wall of the connecting rod a1 is provided with one end of a through hole A8, and the other end of the through hole A8 extends to an inner side wall of a connecting groove 5, the inner side wall of the connecting groove 5 is detachably connected to one end of a connecting rod B4 through a thread A6 provided, an inner side wall of the through hole A8 is inserted with one end of a bolt A7, and the other end of the bolt A7 is detachably connected to a slot A9 provided on an outer side wall of a connecting rod B4, an outer bottom wall of the connecting rod a1 is detachably connected to a slot 10 provided on an upper surface of a drill bit 3 through a thread B11 provided, an outer surface of the connecting rod B4 is fixedly connected to a drill collar 2, and extends to the inside of the slot A9 by rotating the bolt A7 along the through hole a, the connecting rod A1 and the connecting rod B4 are prevented from loosening in the using process.

Referring to fig. 1 and 3, a through hole B12 is formed in an outer side wall of the drill bit 3, one end of a bolt B13 is inserted into an inner side wall of the through hole B12, the other end of the bolt B13 is detachably connected with a clamping groove B14 formed in an outer side wall of a connecting rod B4, the bolt B13 is rotated along the through hole B12 and extends into the clamping groove B14, so that the drill bit 3 and the connecting rod a1 can be further detachably connected, and the connection is stable and reliable.

Referring to fig. 1 and 2, the connection groove 5 is opened on the upper surface of the connection rod a1, the connection rod B4 has the same structure as the outer surface of the connection rod a1, the connection rod a1 is located at a position intermediate between the connection rod B4 and the drill bit 3, and the connection rod a1 and the connection rod B4 can be detachably connected by rotating the connection rod B4 along the screw thread a6 inside the connection groove 5.

Referring to fig. 1 and 3, the groove 10 is formed on the upper surface of the drill bit 3, and the bolts a7 and B13 are provided in plural numbers, and the connection rod a1 and the drill bit 3 can be detachably connected by rotating the connection rod a1 along the groove 10.

The embodiment of the utility model provides an oil is drilling rod in pit, during the use, at first along recess 10 rotation connecting rod A1, thereby can dismantle the connection between connecting rod A1 and drill bit 3, follow closely along through-hole B12 rotation bolt B13 and extend to draw-in groove B14 inside, thereby can further dismantle the connection between drill bit 3 and connecting rod A1, the connection is stable and reliable, only need to change drill bit 3 alone when having realized drill bit 3 damages through adopting the connected mode of combination formula, subsequently through in connecting groove 5 along screw thread A6 rotation connecting rod B4 so can dismantle the connection between connecting rod A1 and connecting rod B4, again through along through-hole A8 rotation bolt A7 and extend to draw-in groove A9 inside, thereby can further connect between connecting rod A1 and connecting rod B4, avoided connecting rod A1 and connecting rod B4 to take place to become flexible in the use, at the same time, the soil generated during drilling can be timely transported out of the drilled hole through the drill collar 2 on the outer surfaces of the connecting rod A1 and the connecting rod B4.

It should be noted that the utility model relates to an oil drilling rod in pit, including connecting rod A1, collar 2, drill bit 3, connecting rod B4, connecting groove 5, screw A6, bolt A7, through-hole A8, draw-in groove A9, recess 10, screw B11, through-hole B12, bolt B13, draw-in groove B14. The components are standard parts in general or known to those skilled in the art, and their structure and principle are known to those skilled in the art through technical manuals or through routine experimentation.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. An oil well drilling rod, includes connecting rod A (1), its characterized in that: the one end of through-hole A (8) is seted up to connecting rod A (1) lateral wall, just the other end of through-hole A (8) extends to spread groove (5) inside wall, the one end of spread groove (5) inside wall through seting up some screw thread A (6) and connecting rod B (4) can be dismantled and be connected, the one end that has bolt A (7) is pegged graft to through-hole A (8) inside wall, just draw-in groove A (9) that the other end of bolt A (7) and connecting rod B (4) lateral wall were seted up and have can be dismantled the connection, connecting rod A (1) bottom surface outer wall can be dismantled through seting up some screw thread B (11) and some recess (10) of seting up with drill bit (3) upper surface and be connected, connecting rod B (4) outer.

2. An oil well drill rod according to claim 1, characterized in that: through-hole B (12) have been seted up to drill bit (3) lateral wall, the one end that has bolt B (13) is pegged graft to through-hole B (12) inside wall, just draw-in groove B (14) that the other end and the connecting rod B (4) lateral wall of bolt B (13) were seted up can be dismantled and be connected.

3. An oil well drill rod according to claim 1, characterized in that: the connecting groove (5) is formed in the upper surface of the connecting rod A (1), the connecting rod B (4) is identical to the outer surface structure of the connecting rod A (1), and the connecting rod A (1) is located in the middle of the connecting rod B (4) and the drill bit (3).

4. An oil well drill rod according to claim 1, characterized in that: the groove (10) is formed in the upper surface of the drill bit (3), and the number of the bolts A (7) and the number of the bolts B (13) are multiple.