阅读说明：本技术 一种喷淋式简易油管外壁刮泥装置 (Spraying type simple oil pipe outer wall mud scraping device ) 是由 范远洪 葛嵩 胡振超 王立新 于东 袁辉 于 2020-12-30 设计创作，主要内容包括：本发明涉及采油设备领域,更具体地,涉及一种喷淋式简易油管外壁刮泥装置。该装置包括两个呈半圆环形的刮泥块,两个刮泥块对称设置,其中一圆周端部转动连接,另一圆周端部活动式卡接；圆周端部卡接时,两个刮泥块配合形成闭合圆环,可以对称性打开,装拆十分方便。而且所述刮泥块包括外壳、橡胶层、高压喷头等部件,利用高温热水使油管上的油泥溶解,再利用橡胶层对油管外壁进行刮泥操作,有效清理油泥和矿物垢,解决市场上油管刮泥器只能简单处理油泥且尺寸大小固定等使用受到限制的问题。(The invention relates to the field of oil extraction equipment, in particular to a spraying type simple oil pipe outer wall mud scraping device. The device comprises two semicircular mud scraping blocks, wherein the two mud scraping blocks are symmetrically arranged, one circumferential end part of the two mud scraping blocks is rotationally connected, and the other circumferential end part of the two mud scraping blocks is movably clamped; when the circumferential end parts are clamped, the two mud scraping blocks are matched to form a closed ring, so that the circular ring can be opened symmetrically, and the circular ring is very convenient to assemble and disassemble. And the mud scraping block comprises a shell, a rubber layer, a high-pressure nozzle and other components, the oil sludge on the oil pipe is dissolved by using high-temperature hot water, the rubber layer is recycled to scrape the mud on the outer wall of the oil pipe, the oil sludge and mineral scale are effectively cleaned, and the problem that the oil pipe mud scraper on the market can only simply treat the oil sludge and is limited in size and size during use is solved.)

1. The utility model provides a simple and easy oil pipe outer wall mud scraping device of fountain, its characterized in that: the mud scraper comprises two semicircular mud scraping blocks (1), wherein the two mud scraping blocks (1) are symmetrically arranged, one circumferential end part is rotationally connected, and the other circumferential end part is movably clamped; when the circumferential end parts are clamped, the two mud scraping blocks (1) are matched to form a closed circular ring.

2. The spray type mud scraper for the outer wall of the plain oil pipe as claimed in claim 1, wherein: the circumferential end part of one rotating end of the mud scraping block (1) is rotatably connected through a hinge (2).

3. The spray type mud scraper for the outer wall of the plain oil pipe as claimed in claim 2, wherein: the circumferential end part of one end of the mud scraping block (1) is movably clamped and connected by a bolt structure (3); bolt structure (3) are including round pin axle (31) and both sides bolt hole (32), and both sides bolt hole (32) are fixed respectively at the circumference tip of two mud scraping pieces (1), and during circumference tip joint, round pin axle (31) run through both sides bolt hole (32) simultaneously.

4. The spray type mud scraper for the outer wall of the plain oil pipe as claimed in claim 3, wherein: the mud scraping block (1) comprises a shell (11) and a rubber layer (12), wherein the rubber layer (12) is connected to the inner wall of the shell (11).

5. The spray type scraper device for the outer wall of the plain oil pipe as claimed in claim 4, wherein: the hinge (2) and the bolt structure (3) are both arranged on the shell (11) of the mud scraping block (1).

6. The spray type scraper device for the outer wall of the plain oil pipe as claimed in claim 5, wherein: the mud scraping block (1) further comprises a compression spring (13), one end of the compression spring (13) is connected to the inner wall of the shell (11), and the other end of the compression spring is connected with the rubber layer (12).

7. The spray type scraper device for the outer wall of the plain oil pipe as claimed in claim 6, wherein: the rubber layer (12) comprises two rubber blocks, the central angle of each rubber block is 90 degrees, and the two rubber blocks are connected with the shell (11) through compression springs (13).

8. The spray type scraper device for the outer wall of the plain oil pipe as claimed in claim 6, wherein: the mud scraping block (1) further comprises a high-pressure spray head (14) used for spray washing, the high-pressure spray head (14) and the rubber layer (12) are arranged adjacently in the axial direction, and the high-pressure spray head (14) faces the direction of the circle center.

9. The spray type scraper device for the outer wall of the plain oil pipe of claim 8, which is characterized in that: and a pull ring (15) is arranged on the circumferential outer wall of the mud scraping block (1).

10. The spray type simple oil pipe outer wall mud scraping device according to any one of claims 1 to 9, characterized in that: the inner circumference radius of the rubber layer (12) is 30-40 mm.

Technical Field

The invention relates to the field of oil extraction equipment, in particular to a spraying type simple oil pipe outer wall mud scraping device.

Background

When the oil pipe finishes collection and is pumped out of a well, oil sludge and other mineral scales are attached to the outer wall of the well, and if the oil pipe is not cleaned thoroughly, the oil sludge and the mineral scales are easy to pollute instruments and equipment of the well mouth, cause blockage of the well mouth, cause the problem that an oil pipe clamp cannot engage the oil pipe in place, and the like. The existing oil pipe mud scraper in the market is usually fixed in the import, can only simply treat thicker oil sludge, can not solve the problem at all, and the size of a dimension is fixed and unchanged, so that the use condition is greatly limited.

Chinese patent publication No. CN2454530Y discloses a wellhead bearing mud scraper in 10/17/2001, which can ensure that the inner ring of the mud scraper can completely wrap the drill rod when the drill rod joint passes through the mud scraper during mud cleaning, so as to completely clean the mud. However, the edge tool hanger can only clean drill rods with fixed specifications, and if sludge is completely solidified, the complete cleaning is difficult. Moreover, the mud scraper is troublesome to disassemble and is not easy to use flexibly.

Disclosure of Invention

The spraying type simple oil pipe outer wall mud scraping device can be symmetrically opened, clamped on the outer wall of an oil pipe and used for scraping mud, is simple in structure and convenient to disassemble, and is suitable for clamping oil pipes of various specifications by elasticity.

In order to solve the technical problems, the invention adopts the technical scheme that:

a spray-type simple oil pipe outer wall mud scraping device comprises two semicircular mud scraping blocks, wherein the two mud scraping blocks are symmetrically arranged, one circumferential end part is rotatably connected, and the other circumferential end part is movably clamped; when the circumferential end parts are clamped, the two mud scraping blocks are matched to form a closed circular ring. When the mud scraping block is opened, the oil pipe is added into the circular ring, and after the mud scraping block is clamped, the two mud scraping blocks form a hollow cylinder integrally, the oil pipe is clamped between the two mud scraping block inner walls, the mud scraping block is pulled or dragged, and the mud scraping operation is performed on the oil pipe outer wall.

In a preferred embodiment, the circumferential end of the rotating end of the mud scraping block is rotatably connected through a hinge. The hinged hinge is adopted at the end where the two mud scraping blocks are connected to rotate.

In one preferable scheme, the circumferential end part of one end of the mud scraping block in movable clamping connection is connected by a bolt structure; the bolt structure includes round pin axle and both sides bolt hole, and the circumference tip at two mud scraping blocks is fixed respectively in both sides bolt hole, and when circumference tip joint, round pin axle runs through both sides bolt hole simultaneously. The plug structure is adopted at one end where the two mud scraping blocks are opened and closed, the plug structure is a common mechanical structure, and after the plug holes on the two sides are coaxially aligned, the pin shaft is inserted into the plug holes and simultaneously penetrates through the plug holes on the two sides.

In a preferred embodiment, the mud scraping block comprises a housing and a rubber layer, and the rubber layer is connected to the inner wall of the housing. The rubber layer is in direct contact with the oil pipe, has certain elasticity, and scrapes mud to the outer wall of the oil pipe when relative movement occurs.

In one preferred scheme, the hinge and the bolt structure are both arranged on the shell of the mud scraping block. In the whole view, the outer layer of the mud scraping device is a shell, the inner layer of the mud scraping device is a rubber layer, the rubber layer clamps the oil pipe, and the hinge and the bolt structure on the shell are flexibly assembled and disassembled.

According to one preferable scheme, the mud scraping block further comprises a compression spring, one end of the compression spring is connected to the inner wall of the shell, and the other end of the compression spring is connected with the rubber layer. The compression spring is mainly used for tightly propping the rubber layer so as to clamp oil pipes of various specifications.

In one preferred scheme, the rubber layer comprises two rubber blocks, the central angle of each rubber block is 90 degrees, and the two rubber blocks are connected with the shell through compression springs. The two rubber blocks are combined to form a semi-circular rubber layer, and the rubber blocks are mainly adopted to be convenient for flexible replacement and maintenance, so that the sufficient elastic performance is kept.

According to one preferable scheme, the mud scraping block further comprises a high-pressure spray head for spray washing, the high-pressure spray head and the rubber layer are arranged adjacently in the axial direction, and the high-pressure spray head faces the direction of the circle center. The high-pressure spray head is connected with high-temperature hot water, and is usually located at the advanced position in the mud scraping direction, so that oil sludge on an oil pipe is dissolved by the high-temperature hot water, and then mud scraping operation is performed by the rubber layer.

In one preferable scheme, the circumferential outer wall of the mud scraping block is provided with a pull ring. The pull ring is mainly used for pulling the mud scraping blocks on the two sides to move so as to scrape mud, and can also be used for carrying and transferring in general.

In a preferred embodiment, the inner circumference of the rubber layer has a radius of 30 to 40 mm. The most preferable combination of the size of the common oil pipe is that the outer diameter is 2-7/8, the outer diameter is 3-1/2, the outer diameter is 4-1/2, and the radius of the inner circumference of the rubber layer is 35 mm.

Compared with the prior art, the invention has the beneficial effects that: the invention discloses a spraying type simple oil pipe outer wall mud scraping device which can be opened symmetrically and is very convenient to assemble and disassemble, through a rubber layer and a high-pressure spray head, the fluidity of crude oil is enhanced by high-temperature hot water, oil sludge and mineral scale are effectively cleaned, and the problem that the oil pipe mud scraper in the market can only simply treat the oil sludge and is limited in use due to fixed size and the like is solved.

Drawings

FIG. 1 is a schematic top view of the overall structure of example 1 of the present invention.

FIG. 2 is a schematic sectional view of example 1 of the present invention.

Fig. 3 is a schematic view of the plug structure according to embodiment 1 of the present invention.

FIG. 4 is a schematic view of a high pressure showerhead of example 1 of the present invention.

Wherein, 1 scrape mud piece, 2 loose-leaf hinges, 3 bolt structures, 11 shells, 12 rubber layers, 13 compression springs, 14 high pressure nozzles, 15 pull rings, 31 round pin axles, 32 bolt holes.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

Example 1

As shown in fig. 1-2, the present embodiment provides a spray-type simple mud scraper for an outer wall of an oil pipe, which includes two semicircular mud scraping blocks 1, where the two mud scraping blocks 1 are symmetrically arranged about a circular central axis. Wherein, two 1 circumference tip of scraping mud piece rotate to be connected, the movable joint of another circumference tip, and when circumference tip joint, two 1 cooperations of scraping mud piece form closed ring.

Specifically, as shown in fig. 3, the circumferential end of the rotating end of the mud scraping block 1 is rotatably connected through a hinge 2, and the circumferential end of the movably clamped end of the mud scraping block 1 is connected by a bolt structure 3. In this embodiment, the bolt structure 3 includes round pin axle 31 and both sides bolt hole 32, and both sides bolt hole 32 is fixed respectively at the circumference tip of two mud scraping pieces 1, and when circumference tip joint, round pin axle 31 runs through both sides bolt hole 32 simultaneously, and the whole material of bolt structure 3 is chromium-plated stainless steel material. After the bolt structure 3 is used for locking, the outer wall of the circumference of the mud scraping block 1 can be bound by using iron wires or hemp ropes, so that the mud scraping block is prevented from bursting during relative movement.

Specifically, the mud scraping block 1 comprises a shell 11, a rubber layer 12, a compression spring 13 and a high-pressure nozzle 14, wherein the rubber layer 12 is connected to the inner wall of the shell 11, the average thickness of the shell is 3mm, and the circumferential outer wall of the mud scraping block 1 is provided with a pull ring 15. In a whole view, the outer layer of the mud scraping device is a shell 11, the inner layer of the mud scraping device is a rubber layer 12, the hinge 2 and the bolt structure 3 are both arranged on the shell 11 of the mud scraping block 1, flexible assembly and disassembly are carried out through the hinge 2 and the bolt structure 3 on the shell 11, and meanwhile, oil pipes are clamped through the rubber layer 12.

In this embodiment, the rubber layer 12 includes two rubber blocks, the central angle of the rubber blocks is 90 °, the two rubber blocks are both connected with the housing 11 through the compression spring 13, and the two rubber blocks are combined to form the semi-circular rubber layer 12.

As shown in figure 1, the radial surface of the rubber block is combined with the sizes of common oil pipes, namely the outer diameter is 2-7/8, the outer diameter is 3-1/2 and the outer diameter is 4-1/2, the radius of the inner circumference of the rubber block is set to be 35mm, the radius of the outer circumference is set to be 100mm, the size range of the acting oil pipe is 70 mm-140 mm, and the oil pipe can meet the operation requirements of oil pipes of 2-7/8, 3-1/2 and the like. As shown in figure 2, the rubber block is an isosceles trapezoid with an upper edge of 110mm, a lower edge of 150mm and a height of 65mm, and the whole material of the rubber block is anti-vulcanized rubber.

Meanwhile, one end of the compression spring 13 is connected to the inner wall of the housing 11, and the other end is connected to each rubber block. In particular, the compression spring 13 has a model Φ 4 x 80 x 10, i.e. wire diameter 4 mm/outer diameter 80 mm/free length 80 mm/total turns 5. The rubber block radially displaces within the stroke range of the compression spring 13, thereby satisfying the size of the oil pipe.

In addition, the high-pressure spray head 14 is used for carrying out high-pressure washing on the oil pipe, the high-pressure spray head 14 and the rubber layer 12 are arranged adjacently in the axial direction, and the high-pressure spray head 14 faces the direction of the circle center. Connecting hot seawater pipeline to high pressure nozzle 14 from outside, adjusting spraying state, and ensuring 360-degree flushing of original well production pipe column

In this embodiment, the high pressure nozzle 14 includes a nozzle portion and a joint portion, the joint portion is externally connected with high temperature seawater, and the high pressure seawater is pressurized and then used for performing a spray washing operation on the outer wall of the oil pipe. This embodiment uses a spray head of 50mm length/8 mm diameter and a quick coupling of 40mm length/20 mm diameter as shown in FIG. 4.

This embodiment can only simply handle thicker fatlute to current oil pipe mud scraper in the market, and the size of a dimension is fixed unchangeable, service conditions receives very big restriction, dismouting difficulty scheduling problem, combine on-the-spot former well production string size of a dimension, make full use of high temperature hot water can reduce the crude oil freezing point, when using, two scrape mud piece 1 symmetries and open, drive rubber layer 12 compaction oil pipe outer wall sludge dirt, scrape mud piece 1 symmetry joint back, two scrape mud piece 1 and form hollow cylinder, oil pipe clamp is in two and scrape mud piece 1 inner walls, the high pressure nozzle 14 of axially adjacent setting passes through quick-operation joint external connection heating sea water, spray the oil pipe outer wall under highly compressed effect, make crude oil or fatlute dissolve, stimulate oil pipe or drag and scrape mud piece 1, scrape the mud operation to the oil pipe outer wall, make fatlute retrieve the pit shaft.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.