CN206376862U - Electric pump well production string - Google Patents
Electric pump well production string Download PDFInfo
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- CN206376862U CN206376862U CN201621369097.4U CN201621369097U CN206376862U CN 206376862 U CN206376862 U CN 206376862U CN 201621369097 U CN201621369097 U CN 201621369097U CN 206376862 U CN206376862 U CN 206376862U
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- 238000004519 manufacturing process Methods 0.000 title abstract description 7
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 31
- 238000006243 chemical reaction Methods 0.000 claims abstract description 5
- 210000002445 nipple Anatomy 0.000 claims description 30
- 239000007788 liquid Substances 0.000 claims description 9
- 230000005484 gravity Effects 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 89
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000003129 oil well Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Details Of Reciprocating Pumps (AREA)
Abstract
The application provides an electric pump well production string, includes: the oil pipe hanger is used for hanging the oil pipe and is connected with the double male short sections through screw threads; the oil pipe is sleeved in the sleeve; the conversion joint is provided with a first through hole, a second through hole and a third through hole, the first through hole is connected with the lower end of the oil pipe, the second through hole is connected with the electric pump, and the third through hole is connected with the working barrel; one end of the cable penetrates through the oil pipe hanger to be connected with a ground power supply, the other end of the cable is connected with the electric pump and used for supplying power to the electric pump, formation parameters of an oil layer are obtained through a testing instrument, two paths are divided on a production pipe column of the electric pump well through the conversion joint, one path is used for oil exploitation, and the other path is used for obtaining the formation parameters, so that the purpose of obtaining the formation parameters is achieved.
Description
Technical field
The invention relates to oil drilling technology, more particularly to a kind of electric pump well flow string.
Background technology
In oil extraction process, with the lengthening and the influence of formation heterogeneity of recovery time, oil-well strata condition hair
Changing, oil field comprehensive water cut persistently rises, and has a strong impact on the production efficiency in oil field.
To improve production efficiency of oilfields, it is necessary to the formation parameter of oil-well strata be obtained, according to formation parameter to oil-well strata
Analyzed now, theoretical foundation is provided to oil exploitation according to analysis result.
However, conventional electric pump well flow string does not have TCH test channel, it is impossible to carry out the acquisition of formation parameter.Therefore, such as
What sets a kind of electric pump well flow string, obtains formation parameter by the electric pump well flow string, actually industry is urgently to be resolved hurrily
Problem.
Utility model content
The embodiment of the present application provides a kind of electric pump well flow string, is separated by crossover sub on electric pump well flow string
Two paths, one of path is used for oil exploitation, and another path is obtained for formation parameter, so as to realize acquisition stratum
The purpose of parameter.
In a first aspect, the embodiment of the present application provides a kind of electric pump well flow string, including：Tubing hanger, double male joint, set
Pipe, oil pipe, crossover sub, seating nipple, blanking plug, electric pump and cable, wherein,
The tubing hanger is used to hang oil pipe, and passes through screwed connection with the double male joint；
The oil pipe passes through screwed connection with the tubing hanger；
First through hole, the second through hole and third through-hole, the first through hole and the oil are provided with the crossover sub
The lower end connection of pipe, second through hole is connected with the electric pump, and the third through-hole is connected with the seating nipple；
One end of the cable is connected through the tubing hanger with ground power supply, and the other end is connected with the electric pump, is used for
Powered for the electric pump；
When the blanking plug is placed in the seating nipple, the blanking plug blocks the third through-hole so that oil
The first through hole is flowed into by second through hole in the presence of the electric pump；
When the blanking plug is picked up from the seating nipple, tester passes through the first through hole, the described 3rd
Through hole tripping in is to oil reservoir, and the tester is used for the formation parameter for obtaining the oil reservoir.
In a kind of feasible implementation, above-mentioned electric pump well flow string also includes：
Cable-passing packer, is arranged between the electric pump and the tubing hanger, for by described sleeve pipe and the oil pipe
Between annular space be from top to bottom divided into the first space and second space.
In a kind of feasible implementation, above-mentioned electric pump well flow string also includes：Storm valve and hydraulic control pipe
Line, the storm valve is located in first space with the liquid controling pipe line, and the storm valve is arranged on the oil
Guan Shang, the liquid controling pipe line is connected with the storm valve, for controlling the storm valve.
In a kind of feasible implementation, position-adjustable of the cable-passing packer relative to described sleeve pipe.
In a kind of feasible implementation, the strain relief clamp is on the oil pipe, for the gravity of the electric pump to be divided
It is scattered on the oil pipe；
And/or,
The cable is connected by the crossover sub with the electric pump, so as to the gravity of the electric pump is distributed to described
On crossover sub.
In a kind of feasible implementation, above-mentioned electric pump well flow string also includes：Back-off sub and tail pipe, it is described
Tail pipe is located at the lower section of the seating nipple, and is suspended in the back-off sub, and the back-off sub is used to seal the tail pipe
Annular space between described sleeve pipe.
In a kind of feasible implementation, the back-off sub is adjustable relative to the position of described sleeve pipe.
In a kind of feasible implementation, above-mentioned electric pump well flow string also includes：Screen pack, the screen pack is set
Put in the lower end of the tail pipe, for filtering the impurity in the oil.
In a kind of feasible implementation, the first through hole, second through hole are transversal with the third through-hole
Area is identical or different.
In a kind of feasible implementation, the first through hole and the path and the oil pipe of third through-hole formation
Between angle be 0, the first through hole and second through hole formation path and the oil pipe between angle be less than 90
Degree.
The electric pump well flow string that the embodiment of the present application is provided, including：Tubing hanger, double male joint, sleeve pipe, oil pipe, conversion
Joint, seating nipple, blanking plug, electric pump and cable, wherein, tubing hanger is used to hang oil pipe, and is connected with double male joint by screw thread
Connect；Oil pipe is set in sleeve pipe；First through hole, the second through hole and third through-hole, first through hole and oil are provided with crossover sub
The lower end connection of pipe, the second through hole is connected with electric pump, and third through-hole is connected with seating nipple；One end of cable passes through tubing hanger and ground
Face power supply connection, the other end is connected with electric pump, for being powered for electric pump, when blanking plug is located at seating nipple, is blocked third through-hole, is made
Obtain oil and pass through the second through hole inflow first through hole in the presence of electric pump；When blanking plug is picked up from seating nipple, by tester
Device is obtained the formation parameter of oil reservoir by tester, passes through crossover sub by first through hole, third through-hole tripping in oil reservoir
Two paths are separated on electric pump well flow string, one of path is used for oil exploitation, and another path is joined for stratum
Number is obtained, so as to realize the purpose for obtaining formation parameter.
Brief description of the drawings
Fig. 1 is the structural representation of current electric pump well flow string；
Fig. 2 is the structural representation of the application electric pump well flow string embodiment one；
The schematic diagram for the crossover sub that Fig. 3 is applicable by the application electric pump well flow string；
Fig. 4 is the structural representation of the application electric pump well flow string embodiment two；
Fig. 5 is the structural representation of the application electric pump well flow string embodiment three；
Fig. 6 is the structural representation of the application electric pump well flow string example IV；
Fig. 7 is the structural representation of the application electric pump well flow string embodiment five.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In accompanying drawing, the technical scheme in the embodiment of the present application is clearly and completely described, it is clear that described embodiment is
Some embodiments of the present application, rather than whole embodiments.Based on the embodiment in the application, those skilled in the art are not having
There is the every other embodiment made and obtained under the premise of creative work, belong to the scope of the application protection.Herein below
For with reference to accompanying drawing and preferred embodiment, to embodiment, structure, feature and its effect according to the application specifically
It is bright.
Term " first ", " second ", " the 3rd " in the description and claims of this application and above-mentioned accompanying drawing, "
The (if present)s such as four " are for distinguishing similar object, without for describing specific order or precedence.It should manage
The data that solution is so used can be exchanged in the appropriate case, so as to embodiments herein described herein for example can with except
Order beyond those for illustrating or describing herein is implemented.In addition, term " comprising " and " having " and theirs is any
Deformation, it is intended that covering is non-exclusive to be included, for example, containing the process of series of steps or unit, method, system, production
Product or equipment are not necessarily limited to those steps clearly listed or unit, but may include not list clearly or for this
A little processes, method, product or the intrinsic other steps of equipment or unit.
Fig. 1 is the structural representation of current electric pump well flow string.Fig. 1 is refer to, current electric pump well flow string includes：
Tubing hanger 1, double male joint 2, sleeve pipe 3, oil pipe 4 and electric pump 5.During oil exploitation, by the tripping in of electric pump 5 to oil pipe 4, in reservoir
Oil enter oil pipe 4 under pressure, and then drawn to well head, be pumped out eventually through oil pumping in the presence of electric pump 5.
During being somebody's turn to do, because electric pump 5 is lowered to oil pipe 4, oil pipe 4 is blocked, without TCH test channel so that tester can not be lowered to
Formation parameter acquisition is carried out to storage, it is impossible to carry out the acquisition of formation parameter.Although can be by the way that electric pump 5 be salvaged into tripping in again
The mode of tester obtains formation parameter, however, installation of electric pump 5 etc. needs the larger manpower of consuming and material resources, salvages electricity
Electric pump 5 is reinstalled when pump 5 causes to exploit next time, wastes time and energy and cost is high.
In view of this, the embodiment of the present application provides a kind of electric pump well flow string, is produced by crossover sub 6 in electric pump well
Two paths are separated on tubing string, one of path is used for oil exploitation, and another path is obtained for formation parameter, so that real
Now obtain the purpose of formation parameter.Specifically, reference can be made to Fig. 2, Fig. 2 are the structure of the application electric pump well flow string embodiment one
Schematic diagram.Below, the structure and working principle of the electric pump well flow string described in the embodiment of the present application is carried out with reference to Fig. 2 detailed
Explanation.
First, the structure of electric pump well flow string.
Fig. 2 is refer to, the electric pump well flow string described in the embodiment of the present application includes：Tubing hanger 1, double male joint 2, sleeve pipe
3rd, oil pipe 4, crossover sub 6, seating nipple 7, blanking plug 8, electric pump 5 and cable 9, wherein, the tubing hanger 1 is used to hang oil pipe 4,
And pass through screwed connection with the double male joint 2；The oil pipe 4 passes through screwed connection with the tubing hanger 1；The crossover sub
First through hole, the second through hole and third through-hole are provided with 6, the first through hole is connected with the lower end of the oil pipe 4, described
Two through holes are connected with the electric pump 5, and the third through-hole is connected with the seating nipple 7；One end of the cable 9 passes through the oil
Pipe hanger 1 is connected with ground power supply, and the other end is connected with the electric pump 5, for being powered for the electric pump 5；When the quilt of blanking plug 8
When being placed in the seating nipple 7, the blanking plug 8 blocks the third through-hole so that oil passes through in the presence of the electric pump 5
Second through hole flows into the first through hole；When the blanking plug 8 is picked up from the seating nipple 7, tester leads to
The first through hole, the third through-hole tripping in oil reservoir are crossed, the tester is used for the formation parameter for obtaining the oil reservoir.
Specifically, tubing hanger 1 is arranged on well head, for hanging between oil pipe 4, and the hung oil pipe 4 of sealing and sleeve pipe 3
Annular space, the tubing hanger 1 and double male joint 2 pass through screwed connection by screwed connection, oil pipe 4 with tubing hanger 1, and oil pipe is used
In trandfer fluid passage or TCH test channel.Wherein, oil pipe refers to that multiple oil pipes 4 pass sequentially through the entirety of screwed connection formation.Oil
Pipe 4 is connected by crossover sub 6 with electric pump 5, seating nipple 7, specifically, reference can be made to Fig. 3, Fig. 3 are the application electric pump well production pipe
The schematic diagram for the crossover sub that post is applicable.
It refer in Fig. 3, the embodiment of the present application, crossover sub 6 is a portion for being similar to Y-shaped joint or triple valve
Part, is provided with first through hole 61, the second through hole 62 and third through-hole 63, wherein, first through hole 61 and the lower end of oil pipe 4 connect
Connect, the second through hole 62 is connected with electric pump 5, and third through-hole 63 is connected with seating nipple 7.Consequently, it is possible to oil pipe 4 can be divided into two
Path, the first path is the path that electric pump 5 is set up by the second through hole 62, first through hole 61 with oil pipe 4, and alternate path is work
The path that cylinder 7 is set up by third through-hole 63, first through hole 61 with oil pipe 4.Wherein, the first through hole 61, described second are led to
Hole 62 and the cross-sectional area of the third through-hole 63 are identical or different.Moreover, the first through hole 61 and the third through-hole 63
Angle between the path of formation and the oil pipe 4 is 0, the path of the first through hole 61 and second through hole 62 formation with
Angle between the oil pipe is less than 90 degree.Wherein, the first path is trandfer fluid passage, for fluids such as transfer oils,
Alternate path is TCH test channel, for tripping in tester to obtain formation parameter.
One end of cable 9 for being powered for electric pump 5 is connected through the electric power supply in tubing hanger 1 and ground, and the other end connects with electric pump 5
Connect, so as to be powered for electric pump 5, blanking plug 8 is an independent part, and it can be by delivery tool via the tripping in of oil pipe 4 to work
Make cylinder 7, or by delivery tool salvaged from seating nipple 7 come.
Secondly, the operation principle of electric pump well flow string.
Specifically, during oil exploitation, blanking plug 8 is lowered to seating nipple 7, and rotation is set, so that seal operation
Cylinder 7, that is, disconnect the alternate path set up between seating nipple 7 and oil pipe 4 by third through-hole 63, first through hole 61.Now, electric pump
5 start, and the oil in reservoir passes through the second through hole 62, first through hole in the presence of electric pump 5 by the first path, i.e. electric pump 5
61 paths set up with oil pipe 4 flow into oil pipe 4, because seating nipple 7 is in sealed condition, therefore, the stone flowed into oil pipe 4
Oil will not be under gravity by seating nipple 7 again downstream to oil drum.
When needing to obtain the formation parameter of reservoir, blanking plug 8 is operated by delivery tool etc. so that the rotation solution of blanking plug 8
Envelope, then salvages away blanking plug 8.Now, electric pump 5 is closed, and is disconnected between electric pump 5 and oil pipe 4 by the second through hole 62, the
The first path that one through hole 61 is set up, passes through the tripping in tester such as delivery tool, such as bottom hole pressure bomb so that tester
Target reservoir is reached, and obtains the formation parameter of target reservoir.
The electric pump well flow string that the embodiment of the present application is provided, including：Tubing hanger, double male joint, sleeve pipe, oil pipe, conversion
Joint, seating nipple, blanking plug, electric pump and cable, wherein, tubing hanger is used to hang oil pipe, and is connected with double male joint by screw thread
Connect；Oil pipe is set in sleeve pipe；First through hole, the second through hole and third through-hole, first through hole and oil are provided with crossover sub
The lower end connection of pipe, the second through hole is connected with electric pump, and third through-hole is connected with seating nipple；One end of cable passes through tubing hanger and ground
Face power supply connection, the other end is connected with electric pump, for being powered for electric pump, when blanking plug is located at seating nipple, is blocked third through-hole, is made
Obtain oil and pass through the second through hole inflow first through hole in the presence of electric pump；When blanking plug is picked up from seating nipple, by tester
Device is obtained the formation parameter of oil reservoir by tester, passes through crossover sub by first through hole, third through-hole tripping in oil reservoir
Two paths are separated on electric pump well flow string, one of path is used for oil exploitation, and another path is joined for stratum
Number is obtained, so as to realize the purpose for obtaining formation parameter.
Optionally, in an embodiment is applied for, above-mentioned electric pump well flow string also includes：Cable-passing packer 10.Tool
Body, reference can be made to Fig. 4, Fig. 4 are the structural representation of the application electric pump well flow string embodiment two.
Fig. 4 is refer to, cable-passing packer 10 is arranged between the electric pump 5 and the tubing hanger 1, for by the set
Annular space between pipe 3 and the oil pipe 4 is from top to bottom divided into the first space and second space.Further, this is excessively electric
Position-adjustable of the cable packer 10 equivalent to sleeve pipe 3.
Optionally, in an embodiment is applied for, above-mentioned electric pump well flow string also includes：Storm valve 11 and hydraulic control
Pipeline 12, specifically, reference can be made to Fig. 5, Fig. 5 are the structural representation of the application electric pump well flow string embodiment three.
Fig. 5 is refer to, the storm valve 11 is located in first space with the liquid controling pipe line 12, the underground
Safety valve 11 is arranged on the oil pipe 4, and the liquid controling pipe line 12 is connected with the storm valve 11, for controlling the well
Lower safety valve 11.
Specifically, liquid controling pipe line 12 is connected with ground hydraulic-control cabinet, ground hydraulic-control cabinet detection liquid controling pipe line 12, when passing through hydraulic control
When pipeline 12 detects that liquid exceedes predeterminated position, storm valve 11 is opened, so that pressure release.
Optionally, in an embodiment is applied for, the cable 9 is stuck on the oil pipe 4, for by the weight of the electric pump 5
Power is distributed on the oil pipe 4；And/or, the cable 9 is connected by the crossover sub 6 with the electric pump 5, so that by institute
The gravity for stating electric pump 5 is distributed on the crossover sub 6.
Specifically, by making a series of clamps on oil pipe 4, tied up cable 9 on oil pipe 4 by those clamps, or,
Cable 9 connects electric pump 5 by crossover sub 6, and crossover sub 6 is connected with the lower end of oil pipe 4, so that the weight of electric pump 5 be divided
It is scattered on oil pipe 4, it is to avoid electric pump 5 is individually supported by cable 9, influences the use service life of cable 9.
Optionally, in an embodiment is applied for, above-mentioned electric pump well flow string also includes back-off sub 13 and tail pipe 14.
Specifically, reference can be made to Fig. 6, Fig. 6 are the structural representation of the application electric pump well flow string example IV.
Fig. 6 is refer to, the tail pipe 14 is located at the lower section of the seating nipple 7, and is suspended in the back-off sub 13, institute
Stating back-off sub 13 is used to seal the annular space between the tail pipe 14 and described sleeve pipe 3.Wherein, back-off sub 13 can also
For packer, it is concordant with the upper end of tail pipe 14, the annular space between sealing tail pipe 14 and sleeve pipe 3 so that the stone in reservoir
Oil only can reach second space by tail pipe 14.
Optionally, in an embodiment is applied for, above-mentioned electric pump well flow string also includes：Screen pack 15.Specifically, can
Referring to Fig. 7, Fig. 7 is the structural representation of the application electric pump well flow string embodiment five.
Fig. 7 is refer to, the screen pack 15 is arranged on the lower end of the tail pipe 14, miscellaneous in the oil for filtering
Matter.By setting screen pack 15, to the impurity in oil, such as gravel is filtered so that the oil quality produced is pure.
Finally it should be noted that：Various embodiments above is only to the technical scheme for illustrating the application, rather than its limitations；To the greatest extent
The application is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from each embodiment technology of the application
The scope of scheme.
Claims (10)
1. a kind of electric pump well flow string, it is characterised in that including：Tubing hanger, double male joint, sleeve pipe, oil pipe, crossover sub,
Seating nipple, blanking plug, electric pump and cable, wherein,
The tubing hanger is used to hang oil pipe, and passes through screwed connection with the double male joint；
The oil pipe passes through screwed connection with the tubing hanger；
First through hole, the second through hole and third through-hole, the first through hole and the oil pipe are provided with the crossover sub
Lower end is connected, and second through hole is connected with the electric pump, and the third through-hole is connected with the seating nipple；
One end of the cable is connected through the tubing hanger with ground power supply, and the other end is connected with the electric pump, for for institute
Electric pump is stated to power；
When the blanking plug is placed in the seating nipple, the blanking plug blocks the third through-hole so that oil is in institute
State in the presence of electric pump and the first through hole is flowed into by second through hole；
When the blanking plug is picked up from the seating nipple, tester passes through the first through hole, the third through-hole
Tripping in is to oil reservoir, and the tester is used for the formation parameter for obtaining the oil reservoir.
2. electric pump well flow string according to claim 1, it is characterised in that also include：
Cable-passing packer, is arranged between the electric pump and the tubing hanger, for by between described sleeve pipe and the oil pipe
Annular space be from top to bottom divided into the first space and second space.
3. electric pump well flow string according to claim 2, it is characterised in that also include：Storm valve and hydraulic control pipe
Line, the storm valve is located in first space with the liquid controling pipe line, and the storm valve is arranged on the oil
Guan Shang, the liquid controling pipe line is connected with the storm valve, for controlling the storm valve.
4. electric pump well flow string according to claim 2, it is characterised in that the cable-passing packer is relative to described
The position-adjustable of sleeve pipe.
5. the electric pump well flow string according to any one of Claims 1 to 4, it is characterised in that
The strain relief clamp is on the oil pipe, for the gravity of the electric pump to be distributed into the oil pipe；
And/or,
The cable is connected by the crossover sub with the electric pump, so that the gravity of the electric pump is distributed into the conversion
On joint.
6. the electric pump well flow string according to any one of Claims 1 to 4, it is characterised in that also include：Back-off sub and
Tail pipe, the tail pipe is located at the lower section of the seating nipple, and is suspended in the back-off sub, and the back-off sub is used to seal
Annular space between the tail pipe and described sleeve pipe.
7. electric pump well flow string according to claim 6, it is characterised in that the back-off sub is relative to described sleeve pipe
Position it is adjustable.
8. electric pump well flow string according to claim 6, it is characterised in that also include：Screen pack, the screen pack is set
Put in the lower end of the tail pipe, for filtering the impurity in the oil.
9. the electric pump well flow string according to any one of Claims 1 to 4, it is characterised in that the first through hole, described
The cross-sectional area of second through hole and the third through-hole is identical or different.
10. the electric pump well flow string according to any one of Claims 1 to 4, it is characterised in that the first through hole and institute
The angle stated between the path and the oil pipe of third through-hole formation is 0, the first through hole and second through hole formation
Angle between path and the oil pipe is less than 90 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621369097.4U CN206376862U (en) | 2016-12-14 | 2016-12-14 | Electric pump well production string |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621369097.4U CN206376862U (en) | 2016-12-14 | 2016-12-14 | Electric pump well production string |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206376862U true CN206376862U (en) | 2017-08-04 |
Family
ID=59405666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621369097.4U Active CN206376862U (en) | 2016-12-14 | 2016-12-14 | Electric pump well production string |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206376862U (en) |
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2016
- 2016-12-14 CN CN201621369097.4U patent/CN206376862U/en active Active
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