CN106837249A - Producing well - Google Patents
Producing well Download PDFInfo
- Publication number
- CN106837249A CN106837249A CN201510882245.6A CN201510882245A CN106837249A CN 106837249 A CN106837249 A CN 106837249A CN 201510882245 A CN201510882245 A CN 201510882245A CN 106837249 A CN106837249 A CN 106837249A
- Authority
- CN
- China
- Prior art keywords
- temperature
- well
- tube
- producing well
- pump
- 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.)
- Pending
Links
- 239000003921 oil Substances 0.000 claims abstract description 44
- 239000003208 petroleum Substances 0.000 claims abstract description 25
- 239000010779 crude oil Substances 0.000 claims abstract description 17
- 238000010796 Steam-assisted gravity drainage Methods 0.000 claims description 10
- 239000003129 oil well Substances 0.000 abstract description 16
- 238000007689 inspection Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 description 12
- 238000001514 detection method Methods 0.000 description 7
- 210000002445 nipple Anatomy 0.000 description 4
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 238000010793 Steam injection (oil industry) Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Abstract
The invention provides a kind of producing well, including tubing string, tubing string includes the well head from producing well to the sleeve pipe and screen casing extended in well, wherein, sleeve pipe includes from well head that to the vertical section and changeover portion extended in well screen casing is connected to the end away from vertical section side of changeover portion, and producing well also includes：Oil pump, is arranged in sleeve pipe, and oil pump includes the pump housing, and crude oil suction inlet and crude oil outlet are provided with the pump housing；Petroleum pipeline, the first end of petroleum pipeline extends to well head, and the second end of petroleum pipeline connects with crude oil outlet；Guiding tube, the first end of guiding tube is connected on the pump housing, and the second end of guiding tube is extended in screen casing, and through hole is provided with the side wall of guiding tube；Temperature tube, is arranged in tubing string, and temperature element is provided with temperature tube, and the first end of temperature tube extends to well head, and the second end of temperature tube is stretched in guiding tube by through hole.Technical scheme solves the problems, such as that oil well of the prior art needs frequently inspection pump well workover.
Description
Technical field
The present invention relates to petrochemical industry, in particular to a kind of producing well.
Background technology
Xinjiang Oilfield shallow super heavy oil is hidden and develops main using SAGD production practices, and oil field production is main in the prior art uses pipe
Formula pump.But the well poor for high-yield well, wellbore trajectory, tubing pump can not be applicable well.
In order to solve the above problems, oil field of the prior art has using high temperature electric submersible pump hoisting system, electric submersible pump hoisting system energy
Enough solve the Production requirement of high-yield well.But, Xinjiang Oilfield part SAGD wells are poor because of wellbore trajectory, and electricity of the prior art
Only a small number of temperature monitoring point on latent pump, it is impossible to meet test technology and daily production regulation and control.Above-mentioned situation causes operator
Member needs frequently inspection pump well workover, causes stratum heat-energy losses, has a strong impact on daily production.
The content of the invention
It is a primary object of the present invention to provide a kind of producing well, frequently inspection pump well workover is needed to solve oil well of the prior art
Problem.
To achieve these goals, the invention provides a kind of producing well, including tubing string, tubing string include from producing well well head to
The sleeve pipe and screen casing extended in well, wherein, sleeve pipe is included from well head to the vertical section and changeover portion extended in well, and screen casing is connected to
The end away from vertical section side of changeover portion, producing well also includes：Oil pump, is arranged in sleeve pipe, and oil pump includes the pump housing, pump
Crude oil suction inlet and crude oil outlet are provided with body；Petroleum pipeline, the first end of petroleum pipeline extends to well head, the second of petroleum pipeline
End connects with crude oil outlet；Guiding tube, the first end of guiding tube is connected on the pump housing, and the second end of guiding tube extends to screen casing
It is interior, it is provided with through hole on the side wall of guiding tube；Temperature tube, is arranged in tubing string, and temperature element, thermometric are provided with temperature tube
The first end of pipe extends to well head, and the second end of temperature tube is stretched in guiding tube by through hole.
Further, temperature element includes：Signal cable, is located in temperature tube, and the first end of signal cable extends to well head；
Temperature sensor, is connected to the second end of signal cable.
Further, temperature sensor is thermocouple.
Further, signal cable is multiple, and the second end of each signal cable is provided with temperature sensor, and each signal cable
Length it is not all equal.
Further, the second end of part signal cable is extended at the position corresponding with oil pump position.
Further, the second end of temperature tube extends to the second end of guiding tube.
Further, the second end of part signal cable is extended in screen casing.
Further, oil pump, petroleum pipeline, guiding tube and temperature tube are fixedly installed in tubing string.
Further, through hole is located at the first end of guiding tube.
Further, oil pump is electric submersible pump.
Further, producing well is SAGD producing wells.
Apply the technical scheme of the present invention, oil well includes oil pump and the petroleum pipeline being arranged on oil pump, oil pump is sucked by crude oil
Mouth pump oil is simultaneously delivered to well head by petroleum pipeline.Oil well also includes guiding tube, and through hole is provided with guiding tube, is also set up in oil well
There is temperature tube, temperature element is provided with temperature tube, temperature tube first end extends to well head, and the second end is stretched to by through hole draws
In conduit.By adjusting particular location of the temperature element in temperature tube, temperature everywhere, example in tubing string can be flexibly monitored
The temperature of such as temperature near oil pump, or screen casing end.Simultaneously as the second end of temperature tube is located in guiding tube, can make
Temperature tube extends in producing well it is farther, and then increase detection range, and then so that producing well in temperature detection no longer according to
Rely and be limited to the temperature test point carried on oil pump.Therefore technical scheme solves oil well needs of the prior art
Frequently examine the problem of pump well workover.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate, for explaining the present invention, not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 shows the structural representation of the embodiment of producing well of the invention；And
Fig. 2 shows the structural representation in the vertical section of producing well in Fig. 1.
Wherein, above-mentioned accompanying drawing is marked including the following drawings：
10th, tubing string；11st, sleeve pipe；111st, vertical section；112nd, changeover portion；12nd, screen casing；20th, oil pump；21st, the pump housing；22、
Crude oil suction inlet；23rd, crude oil outlet；30th, petroleum pipeline；40th, well head；50th, guiding tube；51st, through hole；60th, thermometric
Pipe.
Specific embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can be mutually combined.
Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As depicted in figs. 1 and 2, the producing well of the present embodiment include tubing string 10, oil pump 20, petroleum pipeline 30, guiding tube 50,
And temperature tube 60.Wherein, tubing string 10 includes the sleeve pipe 11 and screen casing 12 that interconnect, and sleeve pipe 11 includes vertical section 111
With changeover portion 112, screen casing 12 is connected to the end of changeover portion 112.Oil pump 20 is arranged in sleeve pipe 11, and oil pump 20 includes pump
Body 21, is provided with crude oil suction inlet 22 and crude oil outlet 23 on the pump housing.The first end of petroleum pipeline 30 extends to the well head of oil well
40, the second end of petroleum pipeline 30 is connected on the pump housing 21, and petroleum pipeline 30 is connected with crude oil outlet 23.Guiding tube 50, draws
The first end of conduit 50 is connected on the pump housing 21, and the second end of guiding tube 50 is extended in screen casing 12, the side wall of guiding tube 50
On be provided with through hole 51.Temperature tube 60, is arranged in tubing string 10, and temperature element, temperature tube 60 are provided with temperature tube 60
First end extend to the well head 40 of oil well, the second end of temperature tube 60 is stretched in guiding tube 50 by through hole 51.
Using the technical scheme of the present embodiment, oil well includes oil pump 20 and the petroleum pipeline 30 being arranged on oil pump 20, oil pump 20
Well head 40 is delivered to by the pump oil of crude oil suction inlet 22 and by petroleum pipeline 30.Oil well also includes guiding tube 50, guiding tube 50
On be provided with through hole 51, be additionally provided with temperature tube 60 in oil well, is provided with temperature element, temperature tube 60 first in temperature tube 60
End extends to well head, and the second end is stretched in guiding tube 50 by through hole 51.It is located in temperature tube 60 by adjusting temperature element
Particular location, can flexibly monitor temperature everywhere in tubing string 10, such as neighbouring temperature of oil pump 20, or the end of screen casing 12
Temperature.Simultaneously as the second end of temperature tube 60 is located in guiding tube 50, can cause that temperature tube 60 prolongs in producing well
That stretches is farther, and then increases detection range, and then causes that the temperature detection in producing well is eliminated the reliance on and is limited on oil pump 20 certainly
The temperature test point of band.Therefore the technical scheme of the present embodiment solves oil well of the prior art needs asking for frequently inspection pump well workover
Topic.
In the technical side of the present embodiment, temperature detection is carried out using thermocouple.Specifically, temperature element include signal cable and
Temperature sensor.Signal cable is located in temperature tube 60, and the first end of signal cable extends to the well head 40 of oil well, and temperature is passed
Sensor is connected to the second end of signal cable.In the present embodiment, temperature element uses thermocouple, and certainly, temperature element can also
Using other temperature sensors, can specifically be determined according to actual demands of engineering.
In the technical scheme of the present embodiment, signal cable is multiple, and the second end of each signal cable is provided with temperature sensor,
And the length of each signal cable is not all equal.Said structure can cause that the temperature sensor at the second end for being located at signal cable is stretched into
Depth to underground is different, and then can flexibly detect the temperature of producing well underground each point.
In the technical scheme of the present embodiment, in order to monitor the temperature near oil pump pair, the second end of part signal cable and oil pump
20 correspondences, namely thermocouple is located at oil pump outside.Specifically, the second end for having three signal cables in the present embodiment stretches to oil
Pump outside, namely three temperature detecting points are provided with oil pump.
In the technical scheme of the present embodiment, for the temperature under more preferable monitoring well, the second end of temperature tube 60 extends to guiding
Second end of pipe 50, the second end of part signal cable is extended in screen casing 12.Namely thermocouple can extend into screen casing and carry out
Temperature detection, specifically, as shown in figure 1, being provided with two in sleeve pipe and screen casing junction (i.e. A points in figure) in the present embodiment
Individual thermocouple is used as temperature test point.Due in the prior art temperature detection, therefore above-mentioned two cannot be carried out in screen casing position
Temperature test point regulates and controls significant to produced on-site.
The installation method of each part of producing well and the specification of section components is explained below：
Oil pump 20, petroleum pipeline 30 and guiding tube 50 collectively constitute production string structure, and production string structure includes from top to bottom：
3 1/2NU plain end oil well pipes (N80) 19, above-mentioned 19 plain end oil well pipes constitute petroleum pipeline 30；
Oil pump 20 is electric submersible pump, the latent pump assembly of high-temperature electric include pump head, centrifugal pump, gas processer, suction inlet, protector and
Motor, wherein 3 centralizers of units' installation, pump head and gas processer are checked card place external diameter Φ 67mm, and protector is checked card place's external diameter
Φ 89mm, unit is always about 11m, and maximum outside diameter is centralizer external diameter φ 210mm.Petroleum pipeline 30 and the latent pump assembly of high-temperature electric
Logical 3 1/2NU (box) × 3 1/2EU (pin thread) crossover sub connection；
Guiding tube 50 includes successively：The double public perforation pipe nipples of 2 3/8NU, 2 3/8NU (box) × 1.900NU (pin thread) conversions
Joint, 1.900NU plain end oil well pipes (N80) about 10 (box cupling chamfering), 1.900NU (box) through-hole guides head, perforation
Perforation on pipe nipple is above-mentioned through hole 51, and guiding tube 50 and the latent pump assembly of high-temperature electric pass through 2 3/8EU (pin thread) × 2 3/8NU
(box) reducing pipe nipple is connected, and reducing pipe nipple installs centralizer 1, is checked card and is located external diameter Φ 89mm.
Temperature tube uses Φ 9.525mm stainless steel tubes, wall thickness 2mm, built-in five temperature thermocouples.
Wherein, the power cable that power is provided to electric submersible pump is additionally provided with producing well, power cable includes under：Cable
End (upper end socket cable penetration device), small flat cable (about 200 meters, 35mm wide, thick 14mm, with petroleum pipeline 30 and electricity
Latent pump assembly binding), cable bottom (the motor top of grafting electric submersible pump).
Petroleum pipeline 30, electric submersible pump unit, guiding tube 50, temperature tube 60, power cable this helped with oil pipe clamp and electric submersible pump
Positive device binding is integral and is fixedly installed in tubing string 10, constitutes super-viscous oil high temperature electric submersible pump production test integral type tubular column structure,
Realize production regulation and control integration.
In the present embodiment, producing well is SAGD producing wells.The concrete meaning of above-mentioned SAGD is SAGD,
Its four letters are respectively the acronym of Steam Assisted Gravity Drainage.SAGD oil production methods are a kind of steam
Mining type is driven, i.e., is continuously injected into high temperature to steam injection well, high-quality steam develops vapor chamber first, while heated oil reservoir
Certain formation pressure (supplement stratum energy) is kept, crude oil is driven in producing well around, then produced.SAGD oil recovery skills
The specific oil production method and oil production equipment of art are prior art, will not be repeated here.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for those skilled in the art
For, the present invention can have various modifications and variations.All any modifications within the spirit and principles in the present invention, made, etc.
With replacement, improvement etc., should be included within the scope of the present invention.
Claims (11)
1. a kind of producing well, including tubing string (10), the tubing string (10) including from producing well well head (40) in well extend
Sleeve pipe (11) and screen casing (12), wherein, described sleeve pipe (11) is including perpendicular to what is extended in well from the well head (40)
Straight section (111) and changeover portion (112), the screen casing (12) be connected to the changeover portion (112) away from it is described vertically
The end of section (111) side, it is characterised in that the producing well also includes：
Oil pump (20), is arranged in described sleeve pipe (11), and the oil pump (20) includes the pump housing (21), the pump housing
(21) crude oil suction inlet (22) and crude oil outlet (23) are provided with；
Petroleum pipeline (30), the first end of the petroleum pipeline (30) extends to the well head (40), the petroleum pipeline (30)
The second end connected with the crude oil outlet (23)；
Guiding tube (50), the first end of the guiding tube (50) is connected on the pump housing (21), the guiding tube (50)
The second end extend in the screen casing (12), be provided with through hole (51) on the side wall of the guiding tube (50)；
Temperature tube (60), is arranged in the tubing string (10), is provided with temperature element in the temperature tube (60), institute
The first end for stating temperature tube (60) extends to the well head (40), and the second end of the temperature tube (60) is by described logical
Hole (51) is stretched in the guiding tube (50).
2. producing well according to claim 1, it is characterised in that the temperature element includes：
Signal cable, is located in the temperature tube (60), and the first end of the signal cable extends to the well head (40)；
Temperature sensor, is connected to the second end of the signal cable.
3. producing well according to claim 2, it is characterised in that the temperature sensor is thermocouple.
4. the producing well according to Claims 2 or 3, it is characterised in that the signal cable is multiple, each holding wire
Second end of cable is provided with the temperature sensor, and the length of each signal cable is not all equal.
5. producing well according to claim 4, it is characterised in that the second end of the part signal cable extend to it is described
At the corresponding position in oil pump (20) position.
6. producing well according to claim 4, it is characterised in that the second end of the temperature tube (60) extends to described drawing
Second end of conduit (50).
7. producing well according to claim 6, it is characterised in that the second end of the part signal cable extends to the sieve
In pipe (12).
8. producing well according to claim 1, it is characterised in that the oil pump (20), the petroleum pipeline (30), described
Guiding tube (50) and the temperature tube (60) are fixedly installed in the tubing string (10).
9. producing well according to claim 1, it is characterised in that the through hole (51) is positioned at the guiding tube (50)
First end.
10. producing well according to claim 1, it is characterised in that the oil pump (20) is electric submersible pump.
11. producing wells according to claim 1, it is characterised in that the producing well is SAGD producing wells.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510882245.6A CN106837249A (en) | 2015-12-03 | 2015-12-03 | Producing well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510882245.6A CN106837249A (en) | 2015-12-03 | 2015-12-03 | Producing well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106837249A true CN106837249A (en) | 2017-06-13 |
Family
ID=59149689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510882245.6A Pending CN106837249A (en) | 2015-12-03 | 2015-12-03 | Producing well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106837249A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110644932A (en) * | 2018-06-26 | 2020-01-03 | 中国石油天然气股份有限公司 | Oil pipe structure and method for testing cable to enter well |
| CN112302596A (en) * | 2019-08-02 | 2021-02-02 | 中国石油天然气股份有限公司 | Injection-production control method for SAGD high-temperature electric submersible pump well group |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1063334A (en) * | 1991-01-17 | 1992-08-05 | 湖北省襄樊市机电研究所 | Well-temperature measuring installation of steam-driven observation well |
| US20060250274A1 (en) * | 2005-04-18 | 2006-11-09 | Core Laboratories Canada Ltd | Systems and methods for acquiring data in thermal recovery oil wells |
| CN101701518A (en) * | 2009-09-15 | 2010-05-05 | 中国海洋石油总公司 | Pipe string used for high-speed test of pressure control and water stabilization of horizontal well |
| CN101855421A (en) * | 2007-07-06 | 2010-10-06 | 哈利伯顿能源服务公司 | Heated fluid injection using multilateral wells |
| CN202832453U (en) * | 2012-08-15 | 2013-03-27 | 中国石油天然气股份有限公司 | Steam assisted gravity drainage (SAGD) producing well single tubing pumping process tubular column |
| CN203285426U (en) * | 2013-01-25 | 2013-11-13 | 中国石油天然气股份有限公司 | Underground ultra-long thermocouple multipoint distribution structure and outer tube protection structure |
| CN205225205U (en) * | 2015-12-03 | 2016-05-11 | 中国石油天然气股份有限公司 | Oil recovery well |
-
2015
- 2015-12-03 CN CN201510882245.6A patent/CN106837249A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1063334A (en) * | 1991-01-17 | 1992-08-05 | 湖北省襄樊市机电研究所 | Well-temperature measuring installation of steam-driven observation well |
| US20060250274A1 (en) * | 2005-04-18 | 2006-11-09 | Core Laboratories Canada Ltd | Systems and methods for acquiring data in thermal recovery oil wells |
| CN101855421A (en) * | 2007-07-06 | 2010-10-06 | 哈利伯顿能源服务公司 | Heated fluid injection using multilateral wells |
| CN101701518A (en) * | 2009-09-15 | 2010-05-05 | 中国海洋石油总公司 | Pipe string used for high-speed test of pressure control and water stabilization of horizontal well |
| CN202832453U (en) * | 2012-08-15 | 2013-03-27 | 中国石油天然气股份有限公司 | Steam assisted gravity drainage (SAGD) producing well single tubing pumping process tubular column |
| CN203285426U (en) * | 2013-01-25 | 2013-11-13 | 中国石油天然气股份有限公司 | Underground ultra-long thermocouple multipoint distribution structure and outer tube protection structure |
| CN205225205U (en) * | 2015-12-03 | 2016-05-11 | 中国石油天然气股份有限公司 | Oil recovery well |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110644932A (en) * | 2018-06-26 | 2020-01-03 | 中国石油天然气股份有限公司 | Oil pipe structure and method for testing cable to enter well |
| CN112302596A (en) * | 2019-08-02 | 2021-02-02 | 中国石油天然气股份有限公司 | Injection-production control method for SAGD high-temperature electric submersible pump well group |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| NO20121124A1 (en) | Position equipment in lateral branches of a well | |
| US20110067399A1 (en) | Geothermal power system | |
| US20130000918A1 (en) | Flow module placement between a subsea tree and a tubing hanger spool | |
| US9564748B2 (en) | Inclined conductor device | |
| CN107725013A (en) | A kind of method that zonal testing and oil production by layer connection is made | |
| CN103615199A (en) | Oil extraction processing device for achieving steam injection, oil extraction and temperature-pressure real-time monitoring in shaft of horizontal well with three tubes | |
| US20150275645A1 (en) | Completion method and apparatus for a well having two or more lateral bores | |
| CN106837249A (en) | Producing well | |
| CN203441440U (en) | Thickened oil recovery system for horizontal well | |
| RU2644366C1 (en) | Multi-channel demountable long-length flexible column | |
| CN205225205U (en) | Oil recovery well | |
| EP3377724B1 (en) | Wired pipe auto-stabbing guide | |
| US20190145245A1 (en) | Removable modular control assembly | |
| RU2348802C2 (en) | Method of geophysical instruments moving-in to boreholes | |
| RU175906U1 (en) | Device for geophysical and hydrodynamic studies of production horizontal wells | |
| BR112018008148B1 (en) | BOTTOM OF THE WELL SYSTEM WITH A TUBULAR WITH SIGNAL CONDUCTOR AND METHOD | |
| WO2020027938A1 (en) | Packer and system | |
| CN105604509A (en) | Electric submersible pump pipe string for optical fiber monitoring of horizontal well | |
| CN106812493A (en) | Multitube thermal recovery well head device | |
| AU2019310985B2 (en) | Distributed fluid injection system for wellbores | |
| CN214091791U (en) | Suspension installation device for protecting casing pipe of pre-pumping ground well to mining well | |
| CN112796680B (en) | Suspension installation method for protecting casing pipe of pre-pumping ground well to mining well | |
| US20210246760A1 (en) | Screen and valve system | |
| RU2798913C1 (en) | Fiber optic device for temperature monitoring in a horizontal well | |
| CA2965300C (en) | A canister apparatus for a multiphase electric submersible pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170613 |