CN205918384U - Circle well efflux suction device - Google Patents

Circle well efflux suction device Download PDF

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Publication number
CN205918384U
CN205918384U CN201620688505.6U CN201620688505U CN205918384U CN 205918384 U CN205918384 U CN 205918384U CN 201620688505 U CN201620688505 U CN 201620688505U CN 205918384 U CN205918384 U CN 205918384U
Authority
CN
China
Prior art keywords
bend pipe
nozzle
center bend
round well
cylinder
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.)
Expired - Fee Related
Application number
CN201620688505.6U
Other languages
Chinese (zh)
Inventor
蒋明
郑岩力
齐俊利
韩国英
夏景刚
王波
王先洲
陈岩
雷昆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CNPC Bohai Drilling Engineering Co Ltd
Original Assignee
CNPC Bohai Drilling Engineering Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CNPC Bohai Drilling Engineering Co Ltd filed Critical CNPC Bohai Drilling Engineering Co Ltd
Priority to CN201620688505.6U priority Critical patent/CN205918384U/en
Application granted granted Critical
Publication of CN205918384U publication Critical patent/CN205918384U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a circle well efflux suction device belongs to the shaft boring machine field, barrel including vertical setting, the lower extreme of barrel is equipped with the inlet, the inlet is established in the circle well, the upper end of barrel connects through discharging to be connected with the overhead groove feed liquor rubber tube of rig, the lower part of barrel is equipped with central return bend, the asymmetric U type structure that the center return bend upwards set up for the opening, the one end of center return bend is established the inside of barrel, the other end are passed through hose assembly and are connected the governing valve, the anti - interface connection that circulates of governing valve and drilling fluid manifold. The utility model discloses simple structure, simple to operate can satisfy big discharge capacity blowdown needs, can clear away a large amount of silt particles and detritus again, prevent to deposit, can realize through flow control that automatic balance circle well internal return goes out and the output proportion moreover, and the blowdown sand removal is effectual, with low costs, intensity of labour is little.

Description

Circle well jet aspirator
Technical field
This utility model belongs to oil-well drilling equipment field, is related to circle well jet aspirator.
Background technology
In petroleum drilling operation, one opens and typically cannot install well head parallel works during operation, the drilling well returned out in circle well Liquid early stage is drained to drilling fluid cesspool by ground excavation blowdown ditch, and the feature of environmental protection is poor, needs manually to carry out justifying in well and groove clearly Sand, high labor intensive, high cost, then extracts drilling fluid by sewage pump again, realizes cyclic suction entrance circulating tank and followed Ring utilizes, and the raising with environmental requirement eliminates ground sewage ditch, and especially Ji east man-made island construction relates to extra large operation environment protection and wants Ask high, state of ground mustn't excavation, take directly to set up sewage pump in round well and be drawn into the overhead guiding gutter of rig being circulated Using because the amount of beginning to rehearse is larger, sewage pump used is more, adds that the drilling fluid returning out in round well contains a large amount of silt particles and rock Bits, sewage pump is difficult suction removing and causes sediment sand setting, needs human attendance's sand removal, clears up high labor intensive, and dirty Water pump damages fast, use cost height, also cannot automatically adjust blowdown flow rate according to returning output.
Utility model content
In view of this, this utility model is directed to a kind of structure simply, the good round well jet aspirator of filth-discharging effect.
For reaching above-mentioned purpose, the technical solution of the utility model is achieved in that round well jet aspirator, including The cylinder being vertically arranged, the lower end of described cylinder is provided with inlet, and described inlet is located in round well, and the upper end of described cylinder leads to Cross discharge joint to be connected with rig elevated trough feed liquor sebific duct, the bottom of described cylinder is provided with center bend pipe, and described center bend pipe is The asymmetric u-shaped structure of opening upwards setting, one end of described center bend pipe is located at the inside of described cylinder, and the other end passes through soft Pipe assembly connects regulating valve, and described regulating valve is connected with the reacting cycle interface of drilling fluid manifold.
Further, described center bend pipe is higher than the height of the other end near one end of hose assembly.
Further, described center bend pipe is provided with nozzle away from one end of hose assembly, and described nozzle is reducing nozzle, institute State the diameter with diameter greater than the other end near described center bend pipe one end for the nozzle.
Further, described nozzle turns dn25 reducing nozzle for dn50.
Further, the upper end of described cylinder is provided with fixing otic placode, and described fixing otic placode is provided with through hole.
Further, described regulating valve is dn50 needle-like hand flow regulating valve.
Further, described center bend pipe is the pressure steel pipe of dn50.
Further, described discharge joint is dn250 agnail pipe.
Compared with prior art, this utility model has the advantages and positive effects that: this utility model is arranged on round well And rig elevated trough feed liquor sebific duct between, using liquid jet principle of negative pressure, well head in circle well is realized by inlet and returns out brill The direct suction of well liquid and silt particle landwaste enters guiding gutter it is achieved that circle well drilling fluid and silt particle landwaste are arranged clearly and recycled, Cost savings are obvious, filth-discharging effect is good, operation labor intensity is little, and structure is simple, easy for installation it is adaptable to situ of drilling well one opens work Ye Yuan well returning fluid discharges, and promotes drilling speed to put forward effect, its structure is simple, easy to use, filth-discharging effect is good, and input cost is low, Be conducive to promoting the use of in situ of drilling well, huge discharge blowdown needs can be met, a large amount of silt particles and landwaste can be removed again, prevent from sinking Form sediment, and enable to return out and output ratio in autobalance circle well by Flow-rate adjustment, blowdown sand removal effect is good, cost Low, labor intensity is little.
Brief description
The accompanying drawing constituting a part of the present utility model is used for providing further understanding to of the present utility model, and this practicality is new The schematic description and description of type is used for explaining this utility model, does not constitute to improper restriction of the present utility model.? In accompanying drawing:
Fig. 1 is the structural representation of this utility model circle well jet aspirator.
Description of reference numerals:
1- discharges joint;2- fixes otic placode;3- cylinder;4- nozzle;5- inlet;6 center bend pipes;7- hose assembly;8- Regulating valve.
Specific embodiment
It should be noted that in the case of not conflicting, the embodiment in this utility model and the feature in embodiment can To be mutually combined.
In description of the present utility model it is to be understood that term " " center ", " longitudinal ", " horizontal ", " on ", D score, The orientation of instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " or position relationship are Based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description, rather than instruction Or the hint device of indication or element must have specific orientation, with specific azimuth configuration and operation, be not therefore understood that It is to restriction of the present utility model.Additionally, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating Or hint relative importance or the implicit quantity indicating indicated technical characteristic.Thus, " first ", " second " etc. are defined Feature can express or implicitly include one or more this feature.In description of the present utility model, unless separately It is described, " multiple " are meant that two or more.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace Dress ", " being connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly Connect;Can be to be mechanically connected or electrically connect;Can be to be joined directly together it is also possible to be indirectly connected to by intermediary, It can be the connection of two element internals.For the ordinary skill in the art, on being understood by concrete condition State concrete meaning in this utility model for the term.
Below in conjunction with the accompanying drawings specific embodiment of the utility model is elaborated.
As shown in figure 1, this utility model is circle well jet aspirator, including the cylinder 3 being vertically arranged, under cylinder 3 End is provided with inlet 5, and inlet 5 is located in round well, and the upper end of cylinder 3 is passed through to discharge joint 1 and rig elevated trough feed liquor sebific duct Connect it is preferable that discharging joint 1 is dn250 agnail pipe, for connecting rig elevated trough feed liquor sebific duct, be connected firmly, stable Property is good;The bottom of cylinder 3 is provided with center bend pipe 6 it is preferable that center bend pipe 6 is the pressure steel pipe of dn50, and center bend pipe 6 is opening The asymmetric u-shaped structure that sets up it is preferable that center bend pipe 6 is near the height that one end of hose assembly 7 is higher than the other end, Advantageously form spray liquid flow;One end of center bend pipe 6 is located at the inside of cylinder 3, and the other end passes through hose assembly 7 and connects regulation Valve 8, regulating valve 8 is connected with the reacting cycle interface of drilling fluid manifold.
Preferably, center bend pipe 6 is provided with nozzle 4 away from one end of hose assembly 7, and nozzle 4 is reducing nozzle 4, and nozzle 4 leans on The diameter with diameter greater than the other end of nearly center bend pipe 6 one end;It is highly preferred that nozzle 4 turns dn25 reducing nozzle 4 for dn50, profit Use hydromechanical principle, form sufficiently large pressure differential, form spray liquid flow, be conducive to driving the drilling fluid returning out in round well And silt landwaste passes through to discharge joint 1 entrance rig elevated trough, realize circle well drilling fluid and collect desanding and recycle.
Preferably, the upper end of cylinder 3 is provided with fixing otic placode 2, and fixing otic placode 2 is provided with through hole, and the thickness of fixing otic placode 2 is 10mm, is welded on cylinder 3, conveniently lifts and fixing.
Preferably, regulating valve 8 is dn50 needle-like hand flow regulating valve 8, for adjusting jet flow it is ensured that aspirating drilling well Liquid measure is with to return output in well Jun Heng;It is highly preferred that hose assembly is made up of the sebific duct of the pressure 15mpa of dn50 and dn50 union, use In connecting regulating valve 8 and central tube 7, resistance to pressure is good, stable performance;It is highly preferred that cylinder is dn180 pipe, as main body Structure is it is ensured that the smooth discharge of drilling fluid and silt landwaste.
During actual use, discharge joint 1, fixing otic placode 2, cylinder 3, nozzle 4, center bend pipe 6, hose assembly 7 and regulating valve 8 combination link together, be arranged between round well and elevated trough use, using front by this device lower end inlet 5 It is placed in round well, is fixed on rig substructure by the fixing otic placode 2 on cylinder 3 top, it is overhead with rig that joint 1 is discharged at top Groove feed liquor sebific duct connects, and hose assembly 7 one end is connected with center bend pipe 6, and the other end is connected with regulating valve 8, regulating valve 8 and drilling well The reacting cycle interface that liquid pipe is converged connects, and opens and set up regulating valve 8, after adjusting to certain flow, drilling fluid manually when enabling Spraying jet through nozzle 4 drives the drilling fluid returning out in circle well and silt landwaste to enter rig elevated trough by outlet, realizes Circle well drilling fluid is collected desanding and is recycled.
Above an embodiment of the present utility model is described in detail, but described content is only of the present utility model Preferred embodiment is it is impossible to be considered for limiting practical range of the present utility model.All made according to this utility model application range Impartial change and improvement etc., all should still belong within patent covering scope of the present utility model.

Claims (8)

1. circle well jet aspirator it is characterised in that: include the cylinder (3) that is vertically arranged, the lower end of described cylinder (3) is provided with Inlet (5), described inlet (5) is located in round well, and the upper end of described cylinder (3) is overhead with rig by discharging joint (1) Groove feed liquor sebific duct connects, and the bottom of described cylinder (3) is provided with center bend pipe (6), and described center bend pipe (6) is arranged for opening upwards Asymmetric u-shaped structure, the one end at described center bend pipe (6) is located at the inside of described cylinder (3), and the other end passes through hose assembly (7) connect regulating valve (8), described regulating valve (8) is connected with the reacting cycle interface of drilling fluid manifold.
2. round well jet aspirator according to claim 1 it is characterised in that: described center bend pipe (6) is near flexible pipe One end of assembly (7) is higher than the height of the other end.
3. round well jet aspirator according to claim 1 it is characterised in that: described center bend pipe (6) is away from flexible pipe One end of assembly (7) is provided with nozzle (4), and described nozzle (4) is reducing nozzle (4), and described nozzle (4) is near described center bend pipe (6) diameter with diameter greater than the other end of one end.
4. round well jet aspirator according to claim 3 it is characterised in that: described nozzle (4) turns dn25 for dn50 Reducing nozzle (4).
5. round well jet aspirator according to claim 1 it is characterised in that: the upper end of described cylinder (3) is provided with solid Determine otic placode (2), described fixing otic placode (2) is provided with through hole.
6. round well jet aspirator according to claim 1 it is characterised in that: described regulating valve (8) be dn50 needle-like Hand flow regulating valve (8).
7. round well jet aspirator according to claim 1 it is characterised in that: described center bend pipe (6) be dn50 resistance to Compressed steel pipe.
8. the round well jet aspirator according to any one of claim 1~7 it is characterised in that: described discharge joint (1) For dn250 agnail pipe.
CN201620688505.6U 2016-07-01 2016-07-01 Circle well efflux suction device Expired - Fee Related CN205918384U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620688505.6U CN205918384U (en) 2016-07-01 2016-07-01 Circle well efflux suction device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620688505.6U CN205918384U (en) 2016-07-01 2016-07-01 Circle well efflux suction device

Publications (1)

Publication Number Publication Date
CN205918384U true CN205918384U (en) 2017-02-01

Family

ID=57874977

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620688505.6U Expired - Fee Related CN205918384U (en) 2016-07-01 2016-07-01 Circle well efflux suction device

Country Status (1)

Country Link
CN (1) CN205918384U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112727390A (en) * 2020-12-31 2021-04-30 西南石油大学 Rock debris collecting device for mechanical rock breaking test and drilling evaluation method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112727390A (en) * 2020-12-31 2021-04-30 西南石油大学 Rock debris collecting device for mechanical rock breaking test and drilling evaluation method

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170201

Termination date: 20190701