CN217206333U

CN217206333U - Titanium alloy drill pipe with low erosion drilling filter

Info

Publication number: CN217206333U
Application number: CN202123046599.7U
Authority: CN
Inventors: 高斌强; 赵梅; 程大; 姚挺; 杨慧喆
Original assignee: HILONG GROUP OF Cos; Shanghai Hilong Dirll Pipes Co ltd
Current assignee: HILONG GROUP OF Cos; Shanghai Hilong Dirll Pipes Co ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-08-16
Anticipated expiration: 2031-12-06

Abstract

The utility model relates to a drilling equipment technical field specifically is titanium alloy drilling rod with low erosion well drilling filter, which comprises a sleeve, telescopic one end sliding connection has the preliminary treatment subassembly, and pegs graft in telescopic both sides and have the locating pin, the bottom of preliminary treatment subassembly is provided with the filter main part, the filter main part is the great one end joint of inverted frustum shape and filter main part diameter at telescopic inner wall, the preliminary treatment subassembly includes rivers fan, scraper blade and filter screen, the other end of filter main part is through connecting horizontal pole and telescopic inner wall fixed connection, the both sides of preliminary treatment subassembly are provided with the rectangle slider, and telescopic inner wall corresponds the position and is provided with the rectangle spout of mutually supporting, the utility model discloses simple structure sets up rationally, has the practicality.

Description

Titanium alloy drill pipe with low erosion drilling filter

Technical Field

The utility model relates to a drilling equipment technical field specifically is titanium alloy drilling rod with low erosion well drilling filter.

Background

At present, measurement while drilling instruments LWD, MWD, rotary steering tools, downhole precision tools and the like are frequently used in the drilling process, the drilling fluid has high solid content requirement on the drilling fluid, and the drilling fluid contains larger particles or other larger solid impurities, so that a drill rod filter is required to be used in an wellhead drill rod.

Most of the drill pipe filters widely used at present adopt a mode of spraying from the inside of a sieve pipe to the outside, but serious puncture damage can be caused to the inner wall of a drill pipe in the using process; and a plurality of large-particle substances are mixed in the drilling fluid, so that sieve pores of the sieve tube are blocked and are not easy to clean.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a titanium alloy drilling rod with low erosion well drilling filter to solve the problem that provides among the above-mentioned background art.

For realizing above-mentioned purpose, titanium alloy drilling rod with low erosion well drilling filter, including the sleeve, telescopic one end sliding connection has the preliminary treatment subassembly, and the telescopic both sides are pegged graft and are had the locating pin, the bottom of preliminary treatment subassembly is provided with the filter main part, the filter main part is the great one end joint of inverted frustum shape and filter main part diameter at telescopic inner wall, the preliminary treatment subassembly includes rivers fan, scraper blade and filter screen, the other end of filter main part is through connecting horizontal pole and telescopic inner wall fixed connection.

Preferably, rectangular sliding blocks are arranged on two sides of the pretreatment assembly, and rectangular sliding grooves matched with each other are arranged at corresponding positions on the inner wall of the sleeve.

Preferably, the positioning pin is a conical clamping block, the smaller end of the diameter of the positioning pin is matched with clamping grooves formed in two sides of the pretreatment assembly, and a fastening screw is arranged at one end of the positioning pin.

Preferably, the two ends of the sleeve are provided with cross-connected connecting rods, and one end of each connecting rod is fixedly connected with the inner wall of the sleeve.

Preferably, a connecting column is arranged at one end of the sleeve, one end of the connecting column is fixedly connected with the center of the cross-shaped connecting rod, and the inner wall of the other end of the sleeve is fixedly connected with the outer wall of one end of the filter main body through the cross-shaped connecting rod.

Preferably, a rotating shaft is arranged in the pretreatment component, and two ends of the rotating shaft penetrate through the scraper and the filter screen to be rotatably connected with the pretreatment component.

Preferably, the rivers fan cup joints the central point of pivot put and with pivot fixed connection, and the pivot both ends all set gradually scraper blade and filter screen, the scraper blade cup joint in the pivot and with pivot fixed connection.

Preferably, the end with the larger diameter size of the filter main body is provided with a water through net, the end with the smaller diameter size is not provided with an outlet, and the filter main body is provided with a plurality of seepage channels along the circumferential direction.

Compared with the prior art, the beneficial effects of the utility model are that: the drilling rod filter is connected with the drilling rod assembly, drilling fluid is pretreated by arranging the pretreatment assembly, larger particles are prevented from entering the filter, meanwhile, a water flow fan is arranged in the pretreatment assembly, a scraper blade and a filter screen are matched for use, the water flow fan is driven to rotate through the flowing of the drilling fluid, so that the scraper blade is enabled to clean one end of the filter screen, the filter screen is prevented from being blocked, and the pretreatment assembly is convenient to disassemble by arranging rectangular sliding blocks and rectangular sliding grooves which are matched with corresponding positions of sleeves on two sides of the pretreatment assembly, so that sediments accumulated in the pretreatment assembly are cleaned, and meanwhile, positioning pins are clamped on two sides of the pretreatment assembly, so that the pretreatment assembly is convenient to fix; the sleeve is arranged on the periphery of the filter and is cylindrical, so that the drilling fluid flows to the drill rod at the bottom end from a channel between the sleeve and the filter main body, and the drilling fluid is prevented from being sprayed to the drill rod to erode the drill rod; the utility model discloses simple structure sets up rationally, has the practicality.

Drawings

FIG. 1 is a schematic view of the three-dimensional structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the main structure of the filter of the present invention;

FIG. 4 is a schematic view of the structure of the pretreatment module of the present invention;

FIG. 5 is a schematic view of the three-dimensional structure of the pretreatment unit of the present invention;

fig. 6 is a schematic view of the connection at the bottom of the sleeve of the present invention.

In the figure: 1. a sleeve; 2. a pre-processing assembly; 3. a filter main body; 4. positioning pins; 5. a water supply net; 6. a weeping channel; 21. a water flow fan; 22. a squeegee; 23. and (5) filtering the screen.

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 all belong to the protection scope of the present invention.

Examples

Referring to fig. 1-6, there are shown: this embodiment is a preferred embodiment among this technical scheme, titanium alloy drilling rod with low erosion well drilling filter, including sleeve 1, sleeve 1's one end sliding connection has preprocessing subassembly 2, and it has locating pin 4 to peg graft in sleeve 1's both sides, preprocessing subassembly 2's bottom is provided with filter main part 3, filter main part 3 is the great one end joint of inverted circular truncated cone shape and filter main part 3 diameter at sleeve 1's inner wall, preprocessing subassembly 2 includes rivers fan 21, scraper blade 22 and filter screen 23, filter main part 3's the other end is through the inner wall fixed connection of connecting horizontal pole and sleeve 1.

Rectangular sliding blocks are arranged on two sides of the pretreatment component 2, and rectangular sliding grooves matched with each other are arranged at corresponding positions on the inner wall of the sleeve 1.

The locating pin 4 is a conical clamping block, the smaller end of the diameter of the locating pin 4 is matched with clamping grooves formed in two sides of the pretreatment component 2, and a fastening screw is arranged at one end of the locating pin 4.

The both ends of sleeve 1 all are provided with cross connection's connecting rod, and the one end of every connecting rod all with sleeve 1's inner wall fixed connection.

Sleeve 1 one end is provided with the spliced pole, and the central point of the one end of spliced pole and alternately form the connecting rod puts fixed connection, and sleeve 1's other end inner wall is through the one end outer wall fixed connection of crossing form connecting rod with filter main part 3.

A rotating shaft is arranged in the pretreatment component 2, and both ends of the rotating shaft penetrate through the scraper 22 and the filter screen 23 to be rotatably connected with the pretreatment component 2.

The water flow fan 21 is sleeved at the central position of the rotating shaft and fixedly connected with the rotating shaft, the two ends of the rotating shaft are sequentially provided with the scraper 22 and the filter screen 23, and the scraper 22 is sleeved on the rotating shaft and fixedly connected with the rotating shaft.

The big end of filter main part 3 diameter size is provided with logical water net 5, and the less one end of diameter size is not equipped with the export, and filter main part 3 is provided with a plurality of sepage passageway 6 along the perimeter direction.

The drilling rod filter is connected between the drilling rods, the drilling fluid is pretreated by arranging the pretreatment component 2, larger particles are prevented from entering the filter, meanwhile, the water flow fan 21 is arranged in the pretreatment component 2, the scraper 22 and the filter screen 23 are matched for use, the water flow fan 21 is driven to rotate through the flowing of the drilling fluid, so that the scraper 22 is driven to clean one end of the filter screen 23, the filter screen 23 is prevented from being blocked, and the pretreatment component 2 is convenient to disassemble by arranging rectangular sliding blocks on two sides of the pretreatment component 2 and rectangular sliding grooves at corresponding positions of the sleeve 1, so that deposited sediments in the pretreatment component 2 are cleaned, and meanwhile, the positioning pins 4 are clamped on two sides of the pretreatment component 2, so that the pretreatment component 2 is convenient to fix; by arranging the sleeve 1 at the periphery of the filter and arranging the sleeve 1 in a cylindrical shape, drilling fluid flows to a drill rod at the bottom end from a channel between the sleeve 1 and the filter main body 3, so that the drilling fluid is prevented from being sprayed to the drill rod to erode the drill rod; the utility model discloses simple structure sets up rationally, has the practicality.

The utility model discloses a work flow does: connect drill rod filter both ends in the drilling rod respectively, peg graft the sleeve 1 with pretreatment module 2 on and fixed through 4 joints of locating pin, the drilling fluid flows in by sleeve 1 one end, the infiltration hole through 2 one end filter screens 23 of pretreatment module carries out the preliminary treatment process in flowing into pretreatment module 2, the drilling fluid flows out by 2 other end filter screens 23 of pretreatment module, flow into the filter by the water network 5 of 3 one ends of filter main part, the drilling fluid that gets into in the filter flows out by sepage passageway 6 and dashes to the inner wall of sleeve 1, and along the drilling rod of the passageway flow direction bottom between sleeve 1 and the filter main part 3.

The above description is provided for further details of the present invention, and it should not be assumed that the present invention is limited to these descriptions, and it will be appreciated by those skilled in the art that various modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. Titanium alloy drill pipe with low erosion drilling filter, including sleeve (1), its characterized in that: the one end sliding connection of sleeve (1) has preprocessing subassembly (2), and pegs graft in the both sides of sleeve (1) and have locating pin (4), the bottom of preprocessing subassembly (2) is provided with filter main part (3), filter main part (3) are the great one end joint in the inner wall of sleeve (1) of inverted circular truncated cone shape and filter main part (3) diameter, preprocessing subassembly (2) are including rivers fan (21), scraper blade (22) and filter screen (23), the other end of filter main part (3) is through the inner wall fixed connection who connects horizontal pole and sleeve (1).

2. The titanium alloy drill pipe with low washout drilling filter of claim 1, wherein: rectangular sliding blocks are arranged on two sides of the pretreatment component (2), and rectangular sliding grooves which are matched with each other are arranged at corresponding positions of the inner wall of the sleeve (1).

3. The titanium alloy drill pipe with low erosion drilling filter of claim 1, wherein: the positioning pin (4) is a conical clamping block, the smaller end of the diameter of the positioning pin (4) is matched with clamping grooves formed in two sides of the pretreatment assembly (2), and a fastening screw is arranged at one end of the positioning pin (4).

4. The titanium alloy drill pipe with low washout drilling filter of claim 1, wherein: the two ends of the sleeve (1) are provided with cross-connected connecting rods, and one end of each connecting rod is fixedly connected with the inner wall of the sleeve (1).

5. The titanium alloy drill pipe with low washout drilling filter of claim 1, wherein: sleeve (1) one end is provided with the spliced pole, and the one end of connecting rod puts fixed connection with the central point of alternately form connecting rod, and the other end inner wall of sleeve (1) is through the one end outer wall fixed connection of cross form connecting rod and filter main part (3).

6. The titanium alloy drill pipe with low erosion drilling filter of claim 1, wherein: the pretreatment component (2) is internally provided with a rotating shaft, and two ends of the rotating shaft penetrate through the scraper (22) and the filter screen (23) to be rotatably connected with the pretreatment component (2).

7. The titanium alloy drill pipe with low washout drilling filter of claim 1, wherein: rivers fan (21) cup joint in the central point of pivot put and with pivot fixed connection, and the pivot both ends all set gradually scraper blade (22) and filter screen (23), scraper blade (22) cup joint in the pivot and with pivot fixed connection.

8. The titanium alloy drill pipe with low washout drilling filter of claim 1, wherein: the filter is characterized in that a water passing net (5) is arranged at one end, with the diameter being larger, of the filter main body (3), an outlet is not arranged at one end, with the diameter being smaller, of the filter main body (3), and a plurality of liquid seepage channels (6) are arranged in the filter main body (3) along the circumferential direction.