CN204691691U - A kind of drill rod assemblies for filtering drilling fluid - Google Patents
A kind of drill rod assemblies for filtering drilling fluid Download PDFInfo
- Publication number
- CN204691691U CN204691691U CN201520173227.6U CN201520173227U CN204691691U CN 204691691 U CN204691691 U CN 204691691U CN 201520173227 U CN201520173227 U CN 201520173227U CN 204691691 U CN204691691 U CN 204691691U
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- CN
- China
- Prior art keywords
- filter
- protuberance
- drill rod
- rod assemblies
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/06—Arrangements for treating drilling fluids outside the borehole
Abstract
The utility model relates to a kind of drill rod assemblies for filtering drilling fluid, the shell comprising hollow and the filter be arranged in described shell, the upper end of described shell is provided with the first inlet for flowing into drilling fluid, described filter offers multiple filter opening, described filter opening down, be formed with the spatial accommodation for holding the drilling fluid before filtration and the impurity after filtering between the outer wall of described filter and the inwall of described shell, described first inlet is connected with described spatial accommodation.The filter of drill rod assemblies of the present utility model stands upside down and uses, first drilling fluid enters the spatial accommodation of filter periphery, then flow in filter after filtering, impurities left is in the spatial accommodation of filter periphery, expand the volume of impurity, improve the use duration of filter single in drilling rod, greatly reduce the break period changing filter, increase economic efficiency.
Description
Technical field
The utility model relates to oil and gas well drilling equipment technology field, more particularly, relates to a kind of drill rod assemblies for filtering drilling fluid.
Background technology
In the drilling technology of prior art, usually in drilling rod, filter is put into filter out the impurity of drilling fluid, the inlet of drilling fluid is arranged on upper end usually, in use, all be positioned in drilling rod by opening up for filter, drilling fluid can first flow directly into filter inside, and the acrobatics after filtration can remain in filter.The design of above-mentioned prior art, because filter easily drops, therefore its inside can hold the safe handling license amount of impurity is smaller, makes the use duration of filter single in drilling well shorter; And drilling fluid flows in filter, directly can impact filter in front, easily cause filter to drop.
Utility model content
The purpose of this utility model is to provide a kind of drill rod assemblies for filtering drilling fluid, solves the inside of filter in prior art and can hold the problem that the less and filter of the safe handling license amount of impurity easily drops.
The technical scheme that the utility model technical solution problem adopts is: a kind of drill rod assemblies for filtering drilling fluid, the shell comprising hollow and the filter be arranged in described shell, the upper end of described shell is provided with the first inlet for flowing into drilling fluid, described filter offers multiple filter opening, described filter opening down, be formed with the spatial accommodation for holding the drilling fluid before filtration and the impurity after filtering between the outer wall of described filter and the inwall of described shell, described first inlet is connected with described spatial accommodation.
In drill rod assemblies of the present utility model, described filter comprises filter main body, and described filter main body is coniform, and the external diameter of described filter main body upper end is less than the external diameter of described filter main body lower end.
In drill rod assemblies of the present utility model, described filter comprises for making described filter relative to the hard-wired filter connecting portion of described shell, and described filter connecting portion is connected to the lower end of described filter main body.
In drill rod assemblies of the present utility model, described filter connecting portion is arranged with the load-carrying ring for carrying described filter and the lock ring for being fixedly connected with described filter connecting portion by described load-carrying ring successively, and described load-carrying ring is connected with described shell.
In drill rod assemblies of the present utility model, described filter connecting portion is formed with the first protuberance, the second protuberance and the 3rd protuberance vertically successively, described first protuberance is connected with described filter main body, described first protuberance radially protrudes from the periphery of described filter main body and described second protuberance respectively, described load-carrying ring is at least set in described second protuberance periphery, and described load-carrying ring abuts vertically mutually with described first protuberance; Described lock ring is set in the periphery of described 3rd protuberance, and described lock ring and described 3rd protuberance are interconnected by double buckle.
In drill rod assemblies of the present utility model, the external diameter of described load-carrying ring is greater than the external diameter of described first protuberance and the external diameter of described lock ring respectively, described load-carrying ring has the projection radially protruded relative to described first protuberance and described lock ring, described shell comprises the upper casing and lower casing that mutually fasten, and described projection is clamped between described upper casing and lower casing.
In drill rod assemblies of the present utility model, the cylinder being set in described filter periphery is also installed in described shell, described spatial accommodation is between the inwall and the outer wall of described filter of described cylinder, described cylinder offers the second inlet for flowing into drilling fluid, described second inlet is connected with spatial accommodation with described first inlet respectively.
In drill rod assemblies of the present utility model, described second inlet is opened in the upper end of described cylinder, and described second inlet is provided with the anti-lost parts for preventing described filter from dropping, and described filter is hung by suspension rod and is located at below described anti-lost parts.
In drill rod assemblies of the present utility model, described anti-lost parts are be connected to the straight-bar on inwall corresponding to described second inlet, described suspension rod is screw, described straight-bar offers the first through hole matched with described screw sizes, the upper end of described filter offers second through hole mutually corresponding with described first through hole, described screw is through described second through hole and the first through hole, and described screw is locked with described straight-bar and described filter respectively by nut and is connected.
In drill rod assemblies of the present utility model, the outer wall of described cylinder and the inwall of described shell fit tightly.
Implement the drill rod assemblies for filtering drilling fluid of the present utility model, there is following beneficial effect: the filter of drill rod assemblies of the present utility model stands upside down and uses, first drilling fluid enters the spatial accommodation of filter periphery, flow in filter after filtering, impurities left, in the spatial accommodation of filter periphery, expands the volume of impurity, improves the use duration of filter single in drilling rod, greatly reduce the break period changing filter, increase economic efficiency; Reduce the frontal impact power of drilling liquid flow to filter simultaneously, reduce the possibility that filter drops, and the use filter that stands upside down, the anti-pressure ability of vertebral body structure substitutes resistance to tension, makes structure more firm; Be provided with cylinder between wall and filter in the enclosure, drilling rod inwall can be separated and drilling liquid flow liquidates, prevent high pressure liquid stream directly washing away drilling rod, extend the application life of drilling rod.
Accompanying drawing explanation
Fig. 1 is the structural representation of the drill rod assemblies for filtering drilling fluid of the present utility model.
Detailed description of the invention
Below in conjunction with drawings and Examples, the structure of the drill rod assemblies for filtering drilling fluid of the present utility model is described further:
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " clockwise ", indicating positions such as " counterclockwise " or position relationship are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
As shown in Figure 1, a kind of drill rod assemblies for filtering drilling fluid, the shell 1 comprising hollow and the filter 2 be arranged in shell 1, the upper end of shell 1 is provided with the first inlet 11 for flowing into drilling fluid, the one end open of filter 2 and down, the sidewall and roof of filter 2 all offer multiple filter opening 21, the spatial accommodation 3 for holding the drilling fluid before filtration and the impurity after filtering is formed between the outer wall of filter 2 and the inwall of shell 1, first inlet 11 is connected with spatial accommodation 3, be equivalent to filter handstand is used by designing like this, first drilling fluid enters the spatial accommodation of filter periphery, then flow in filter after filtering, impurities left is in the spatial accommodation of filter periphery, expand the volume of impurity, improve the use duration of filter single in drilling rod, greatly reduce the break period changing filter, increase economic efficiency, reduce the frontal impact power of drilling liquid flow to filter simultaneously, reduce the possibility that filter drops, and the use filter that stands upside down, the anti-pressure ability of vertebral body structure substitutes resistance to tension, makes structure more firm.In other embodiments, in shell 1, the cylinder 4 being set in filter 2 periphery can also be installed, spatial accommodation 3 is between the inwall and the outer wall of filter 2 of cylinder 4, wherein the outer wall of cylinder 4 preferably fits tightly with the inwall of shell 1, avoid wasting space, cylinder 4 offers the second inlet 41 for flowing into drilling fluid, second inlet 41 is connected with spatial accommodation 3 with the first inlet 11 respectively, can flow directly into in cylinder by designing drilling fluid like this, by adding this cylinder, high pressure liquid stream directly washing away drilling rod can be prevented when drilling fluid directly enters in spatial accommodation, extend the application life of drilling rod.
Wherein filter 2 comprises interconnective filter main body 22 and filter connecting portion 23, filter opening 21 is opened in filter main body 22, filter connecting portion 23 is arranged on the openend of filter 2, i.e. the lower end of filter 2, and the entirety of filter 2 is fixedly mounted in shell 1 by filter connecting portion 23.Can be connected by modes such as welding between filter main body 22 and filter connecting portion 23, also can be one-body molded.
Filter main body 22 is in coniform, and the external diameter of filter main body 22 upper end is less than the external diameter of filter main body 22 lower end, and then makes the volume of spatial accommodation 3 larger, and facilitates the inflow of drilling fluid.
Filter connecting portion 23 is arranged with the load-carrying ring 5 for carrying filter and the lock ring 6 for being fixedly connected with filter connecting portion 23 by load-carrying ring 5 successively, and wherein load-carrying ring 5 is connected with shell 1.Below illustrate the structural relation between filter connecting portion 23 and load-carrying ring 5, lock ring 6, but protection domain of the present utility model is not limited thereto, locks with filter 2 connect together as long as load-carrying ring 5 is locked in lock ring 6 by lock ring 6.
Particularly, filter connecting portion 23 is formed with the first protuberance 231 vertically from top to bottom successively, second protuberance 232 and the 3rd protuberance 233, wherein the first protuberance 231 is connected with filter main body 22, first protuberance 231 radially protrudes from periphery and second protuberance 232 of filter main body 22 respectively, in the present embodiment, the structure of load-carrying ring 5 is stepped and match with the first protuberance 231 and the second protuberance 232 simultaneously, load-carrying ring 5 is set in the periphery of the first protuberance 231 and the second protuberance 232 simultaneously, the stepped locations of load-carrying ring 5 abuts vertically mutually with the first protuberance 231, namely abut against with the soffit of the first protuberance 231.In other embodiments, load-carrying ring 5 structure is single ring-type, and is set in the periphery of the second protuberance 232.
Lock ring 6 is set in the periphery of the 3rd protuberance 233, and lock ring 6 and the 3rd protuberance 233 are interconnected by double buckle, and namely lock ring 6 and filter 2 interfix, and then are locked on filter 2 by load-carrying ring 5.
The external diameter of load-carrying ring 5 is greater than the external diameter of the first protuberance 231 and the external diameter of lock ring 6, that is load-carrying ring 5 has the projection 51 radially protruded relative to the first protuberance 231 and lock ring 6, shell 1 comprises the upper casing 12 and lower casing 13 that mutually fasten, and projection 51 is clamped between upper casing 12 and lower casing 13.Upper casing 12 and lower casing 13 realize coupling by interlaced identical protuberance and groove and snap together particularly, and projection 51 puts in the groove of lower casing 13, and the protuberance of upper 12 shells is pressed on projection 51.
In the present embodiment, cylinder 4 is also provided with the anti-lost parts 7 that the filter 2 for preventing drops, filter 2 is hung by suspension rod 8 and is located at below anti-lost parts 7.In the present embodiment, wherein the second inlet 41 is opened in the upper end of cylinder 4, inwall corresponding to second inlet 41 is connected with at least one straight-bar, as anti-lost parts 7, in the present embodiment, inwall corresponding to second inlet 41 is connected with two cross one another straight-bars, suspension rod 8 is screw, the center intersected at two straight-bars offers the first through hole 10 matched with screw sizes, the upper end of filter 2 offers second through hole 20 mutually corresponding with the first through hole 10, screw is successively through the second through hole 20 and the first through hole 10, screw is locked with straight-bar and filter 2 respectively by nut 9 and is connected.Straight-bar also only can have one or three, four in other embodiments, when for arranged in a crossed manner time multiple.In other embodiments, anti-lost parts 7 are not limited to straight-bar, also can be the anti-lost parts of other various shape, as interted into the annulus of screw and the connecting rod etc. that is connected to by annulus on cylindrical wall.In other embodiments, suspension rod 8 can also be bolt, or suspension rod 8 is round bars, is connected between round bar with anti-lost parts 7 by double buckle.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, all these improve or conversion all should belong within the protection domain of the utility model claims.
Claims (10)
1. one kind for filtering the drill rod assemblies of drilling fluid, the shell (1) comprising hollow and the filter (2) be arranged in described shell (1), the upper end of described shell (1) is provided with the first inlet (11) for flowing into drilling fluid, described filter (2) offers multiple filter opening (21), it is characterized in that, described filter (2) opening down, the spatial accommodation (3) for holding the drilling fluid before filtration and the impurity after filtering is formed between the outer wall of described filter (2) and the inwall of described shell (1), described first inlet (11) is connected with described spatial accommodation (3).
2. drill rod assemblies according to claim 1, it is characterized in that, described filter (2) comprises filter main body (22), described filter main body (22) is in coniform, and the external diameter of described filter main body (22) upper end is less than the external diameter of described filter main body (22) lower end.
3. drill rod assemblies according to claim 2, it is characterized in that, described filter (2) comprises for making described filter (2) relative to the hard-wired filter connecting portion (23) of described shell (1), and described filter connecting portion (23) is connected to the lower end of described filter main body (22).
4. drill rod assemblies according to claim 3, it is characterized in that, described filter connecting portion (23) is arranged with the load-carrying ring (5) for carrying described filter (2) and the lock ring (6) for being fixedly connected with described filter connecting portion (23) by described load-carrying ring (5) successively, and described load-carrying ring (5) is connected with described shell (1).
5. drill rod assemblies according to claim 4, it is characterized in that, described filter connecting portion (23) is formed with the first protuberance (231) vertically successively, second protuberance (232) and the 3rd protuberance (233), described first protuberance (231) is connected with described filter main body (22), described first protuberance (231) radially protrudes from periphery and described second protuberance (232) of described filter main body (22) respectively, described load-carrying ring (5) is at least set in described second protuberance (232) periphery, described load-carrying ring (5) abuts vertically mutually with described first protuberance (231), described lock ring (6) is set in the periphery of described 3rd protuberance (233), and described lock ring (6) and described 3rd protuberance (233) are interconnected by double buckle.
6. drill rod assemblies according to claim 5, it is characterized in that, the external diameter of described load-carrying ring (5) is greater than the external diameter of described first protuberance (231) and the external diameter of described lock ring (6) respectively, described load-carrying ring (5) has the projection (51) radially protruded relative to described first protuberance (231) and described lock ring (6), described shell (1) comprises the upper casing (12) and lower casing (13) that mutually fasten, and described projection (51) is clamped between described upper casing (12) and lower casing (13).
7. drill rod assemblies according to claim 1, it is characterized in that, the cylinder (4) being set in described filter (2) periphery is also installed in described shell (1), described spatial accommodation (3) is between the inwall and the outer wall of described filter (2) of described cylinder (4), described cylinder (4) offers the second inlet (41) for flowing into drilling fluid, described second inlet (41) is connected with spatial accommodation (3) with described first inlet (11) respectively.
8. drill rod assemblies according to claim 7, it is characterized in that, described second inlet (41) is opened in the upper end of described cylinder (4), described second inlet (41) is provided with the anti-lost parts (7) for preventing described filter (2) from dropping, and described filter (2) is hung by suspension rod (8) and is located at described anti-lost parts (7) below.
9. drill rod assemblies according to claim 8, it is characterized in that, described anti-lost parts (7) are for being connected to the straight-bar on inwall corresponding to described second inlet (41), described suspension rod (8) is screw, described straight-bar offers the first through hole (10) matched with described screw sizes, the upper end of described filter (2) offers second through hole (20) mutually corresponding with described first through hole (10), described screw is through described second through hole (20) and the first through hole (10), described screw is locked with described straight-bar and described filter (2) respectively by nut (9) and is connected.
10. drill rod assemblies according to claim 7, is characterized in that, the outer wall of described cylinder (4) and the inwall of described shell (1) fit tightly.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520173227.6U CN204691691U (en) | 2015-03-26 | 2015-03-26 | A kind of drill rod assemblies for filtering drilling fluid |
| PCT/CN2015/080590 WO2016150008A1 (en) | 2015-03-26 | 2015-06-02 | Drilling rod assembly for filtering drilling fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520173227.6U CN204691691U (en) | 2015-03-26 | 2015-03-26 | A kind of drill rod assemblies for filtering drilling fluid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204691691U true CN204691691U (en) | 2015-10-07 |
Family
ID=54231994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520173227.6U Active CN204691691U (en) | 2015-03-26 | 2015-03-26 | A kind of drill rod assemblies for filtering drilling fluid |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN204691691U (en) |
| WO (1) | WO2016150008A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110242225A (en) * | 2019-06-04 | 2019-09-17 | 中国石油集团渤海钻探工程有限公司 | One kind can multiple switching plugging while drilling valve drill rod special filter |
| CN114033324A (en) * | 2021-11-08 | 2022-02-11 | 中国石油大学(华东) | Mechanical oil production wellhead bailing device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7303029B2 (en) * | 2004-09-28 | 2007-12-04 | Intelliserv, Inc. | Filter for a drill string |
| CN200996274Y (en) * | 2006-11-28 | 2007-12-26 | 大庆石油管理局 | Current-limiting filter of drilling bit |
| US8028768B2 (en) * | 2009-03-17 | 2011-10-04 | Schlumberger Technology Corporation | Displaceable plug in a tool string filter |
| CN201363100Y (en) * | 2009-03-18 | 2009-12-16 | 中国石化集团胜利石油管理局井下作业公司 | Anti-clogging pup joint for drill rod |
| CN201723187U (en) * | 2010-06-10 | 2011-01-26 | 大庆石油管理局 | Drill bit impurity filter |
| CN203201503U (en) * | 2013-04-19 | 2013-09-18 | 中国海洋石油总公司 | Drilling fluid filter |
| CN203430447U (en) * | 2013-08-21 | 2014-02-12 | 中国石油集团渤海钻探工程有限公司 | Inner side hole type drill pipe filter |
-
2015
- 2015-03-26 CN CN201520173227.6U patent/CN204691691U/en active Active
- 2015-06-02 WO PCT/CN2015/080590 patent/WO2016150008A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110242225A (en) * | 2019-06-04 | 2019-09-17 | 中国石油集团渤海钻探工程有限公司 | One kind can multiple switching plugging while drilling valve drill rod special filter |
| CN114033324A (en) * | 2021-11-08 | 2022-02-11 | 中国石油大学(华东) | Mechanical oil production wellhead bailing device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016150008A1 (en) | 2016-09-29 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |