CN104989350A - Injection-production integrated lifting pipe column - Google Patents
Injection-production integrated lifting pipe column Download PDFInfo
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- CN104989350A CN104989350A CN201510254936.1A CN201510254936A CN104989350A CN 104989350 A CN104989350 A CN 104989350A CN 201510254936 A CN201510254936 A CN 201510254936A CN 104989350 A CN104989350 A CN 104989350A
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- steam injection
- oil
- injection valve
- mover
- extraction pump
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- 238000004519 manufacturing process Methods 0.000 title abstract description 7
- 238000010793 Steam injection (oil industry) Methods 0.000 claims abstract description 114
- 238000000605 extraction Methods 0.000 claims abstract description 43
- 239000003129 oil well Substances 0.000 claims abstract description 16
- 239000003921 oil Substances 0.000 claims description 71
- 239000010779 crude oil Substances 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000011084 recovery Methods 0.000 description 5
- 230000010354 integration Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000010794 Cyclic Steam Stimulation Methods 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses an injection-production integrated lifting pipe column, which comprises: the oil pipe, the electric steam injection valve, the oil extraction pump and the switching device are arranged in the oil well in a penetrating way. The electric steam injection valve is communicated with the oil pipe through an upper joint and comprises an outer barrel with a steam injection port, a motor sleeved in the outer barrel, a sliding sleeve fixedly connected to the motor and a check valve. The motor comprises a stator fixedly connected with the outer barrel, a flow guide channel communicated with the steam injection port is formed in the stator, a first annular space is formed between the stator and the outer barrel, a rotor sleeved on the outer wall of the stator is arranged in the first annular space, and the rotor can slide along the axis direction of the outer barrel. The sliding sleeve can block the steam injection port. The oil extraction pump is communicated with the electric steam injection valve. The switching device is used for switching between the electric steam injection valve and the oil extraction pump so as to enable the electric steam injection valve and the oil extraction pump to alternately operate. The injection-production integrated lifting pipe column can complete injection-production integrated operation without lifting or lowering the sucker rod during steam injection or oil production.
Description
Technical field
The invention belongs to oil recovery machiner technical field, be specifically related to a kind of note and adopt integrated lifting tubing string.
Background technology
From 1985, China successively built up the Liaohe River, Xinjiang, triumph, viscous crude production base, four, Henan.Because viscosity of thickened oil is very responsive to temperature, therefore need to inject in oil well after high-temperature steam makes reducing crude oil viscosity and exploit out again.Cyclic steam injection tech, since nineteen eighty-two Liaohe River Gaosheng oil field success of the test, has become the technical way of thickened oil recovery.
During due to cyclic steam stimulation viscous crude, need regular or irregularly in oil well, to inject high-temperature steam, reduce viscosity of crude, improve the mobility of crude oil.In recent years, China has developed multiple note and has adopted integrated lifting tubing string, improves operating efficiency.Such as, Chinese utility model patent ZL 201220077103.4 note adopts integrated hoisting system, disclose a kind of note and adopt integrated lifting tubing string, it comprises: steam injection valve, steam injection valve comprises: steam injection valve urceolus and the steam injection piston be arranged in steam injection valve urceolus, and steam injection valve also has the steam injection hole of steam injection outside steam injection valve and the oil-through hole of lifting crude oil; Rotary actuation bar, from steam injection valve axially across steam injection piston, steam injection piston bush is located on rotary actuation bar; Rotary actuation bar drives steam injection piston to open or close steam injection hole; Note is adopted integrated hoisting system and is also comprised: sliding-vane pump, and be connected to the below of steam injection valve, sliding-vane pump has rotor; The rotating shaft of rotor is connected with rotary actuation bar; Sliding-vane pump has the intake of Inhaling Crude Oil and discharges the outlet opening of crude oil, and intake is arranged on the bottom of sliding-vane pump, and outlet opening is arranged on the top of sliding-vane pump, and outlet opening is communicated with oil-through hole.
Although this note is adopted integrated lifting tubing string and can be realized steam injection and operate with the integrated of oil recovery, but this note adopts integrated lifting tubing string all to be needed to carry or transfer sucker rod drive its rotary actuation bar action when oil well needs steam injection or turns and take out, time rate variance, operating cost is high.If this tubing string is applied in inclined shaft or directional well, due on put and put sucker rod side-abrasion of rod string can be caused serious, pump detection period is short, affects oil recovery efficiency.
Summary of the invention
In order to overcome the above-mentioned defect of prior art, technical problem to be solved by this invention is to provide a kind of note and adopts integrated lifting tubing string, utilizes note of the present invention to adopt not need when integrated lifting tubing string can inject steam or recover the oil in oil well to carry or transfer sucker rod and can complete note and adopt integration operation.
Above-mentioned purpose of the present invention can adopt following technical proposal to realize:
The invention discloses a kind of note and adopt integrated lifting tubing string, it is characterized in that, it comprises:
Oil pipe, described oil pipe has along its axis direction near the first end of oil well mouth and the second end away from described oil well mouth, and described oil pipe is arranged in oil well.
Electronic steam injection valve, it is connected with described oil pipe by top connection, described electronic steam injection valve comprises the urceolus with steam injection mouth, be set in the motor in described urceolus, be fixedly connected on the sliding sleeve on described motor, and be positioned at described urceolus second end and the ball-and-seat that crude oil flows to first end from the second end can be made; Described motor comprises the stator be fixedly connected with described urceolus, has and run through the flow-guiding channel of its first end to the second end in described stator, and described flow-guiding channel can be connected with described steam injection mouth, forms the first annular space between described stator and described urceolus; In described first annular space, there is the mover being set in described stator outer wall, described sliding sleeve be fixedly connected on described mover the second end and can steam injection mouth described in shutoff.
Described mover can slide along the axis direction of described urceolus; Described mover has at least two operating positions, when described mover is positioned at the first operating position, described mover drives steam injection mouth described in described sliding sleeve shutoff, described flow-guiding channel and described steam injection mouth isolated, when described mover is positioned at the second operating position, described mover drives described sliding sleeve to expose described steam injection mouth, and described flow-guiding channel is connected with described steam injection mouth.
Oil extraction pump, it is connected with the second end of described electronic steam injection valve.
Switching device shifter, it for switching between described electronic steam injection valve and described oil extraction pump, to make described electronic steam injection valve and described oil extraction pump alternate run.
Preferably, described switching device shifter comprises the controller being located at ground, and described controller is electrically connected with described electronic steam injection valve and described oil extraction pump respectively mutually by oil-submersible cable.
Preferably, described note is adopted integrated lifting tubing string and is also comprised downhole electrical motor, and described downhole electrical motor is electrically connected mutually with described oil extraction pump.
Preferably, described downhole electrical motor is connected with described oil extraction pump by linkage.
Preferably, described controller comprises switch board and host computer, and described host computer is connected with described switch board signal, and described switch board is electrically connected with described electronic steam injection valve and described oil extraction pump respectively mutually by oil-submersible cable.
Preferably, described ball-and-seat comprise be fixedly connected on described urceolus second end have runner valve seat and be positioned at described runner can the valve ball of runner described in shutoff, described runner can be connected with described flow-guiding channel.
Preferably, at least one seal is provided with between described stator and described mover.
Preferably, the first end of described stator has the stopper section be fixedly connected with described urceolus, and described stopper section can limit described mover and slide to first end.
Advantage of the present invention is: compared with prior art, and note of the present invention is adopted integrated lifting tubing string and utilized switching device shifter to control electronic steam injection valve and oil extraction pump alternation.When normally recovering the oil, oil extraction pump work, electronic steam injection valve does not work.The sliding sleeve sealing steam injection mouth of electronic steam injection valve, crude oil is delivered to ground through oil extraction pump, electronic steam injection valve and oil pipe.When production declining needs steam injection, oil extraction pump quits work, and electronic steam injection valve starts.The electric mover of electronic steam injection valve drives sliding sleeve to open by the steam injection mouth sealed, and after high-temperature steam enters electronic steam injection valve, ball-and-seat is closed, and steam enters formation in oil jacket annular space from steam injection mouth, and stratum energy discharges, oil well blowing.Utilize note of the present invention to adopt not need to carry or transfer when integrated lifting tubing string in steam injection or can recover the oil sucker rod can complete note and adopt integration operation.The present invention has simple, easy to operate, the safe and reliable feature of structure.
Accompanying drawing explanation
Accompanying drawing described here only for task of explanation, and is not intended to limit scope disclosed by the invention by any way.In addition, the shape of each parts in figure and proportional sizes etc. are only schematic, for helping the understanding of the present invention, are not the shape and the proportional sizes that specifically limit each parts of the present invention.Those skilled in the art under the teachings of the present invention, can select various possible shape and proportional sizes to implement the present invention as the case may be.
Fig. 1 is that the present invention notes the structural representation adopting integrated lifting tubing string;
Fig. 2 is that the electronic steam injection valve of the present invention normally recovers the oil the structural representation of state;
Fig. 3 is the structural representation under the present invention's electronic steam injection valve steam injection state.
The Reference numeral of above accompanying drawing: 10, note adopts integrated lifting tubing string; 1, oil pipe; 2, electronic steam injection valve; 21, top connection; 11, motor; 22, stator; 221, flow-guiding channel; 222, the first annular space; 223, stopper section; 23, urceolus; 24, mover; 25, seal; 26, sliding sleeve; 27, steam injection mouth; 28, ball-and-seat; 281, runner; 282, valve seat; 283, valve ball; 3, oil extraction pump; 4, switching device shifter; 41, controller; 411, switch board; 412, host computer; 42, oil-submersible cable; 5, downhole electrical motor; 6, linkage.
Detailed description of the invention
By reference to the accompanying drawings with the description of the specific embodiment of the invention, can clearly understand details of the present invention.But the specific embodiment of the present invention described here, only for explaining object of the present invention, and can not to be understood as by any way be limitation of the present invention.Under the teachings of the present invention, technician can conceive based on distortion possible arbitrarily of the present invention, and these all should be regarded as belonging to scope of the present invention.
As Figure 1-3, the invention discloses a kind of note and adopt integrated lifting tubing string 10, it comprises: oil pipe 1, electronic steam injection valve 2, oil extraction pump 3 and switching device shifter 4.Oil pipe 1 has along its axis direction near the first end of oil well mouth and the second end away from oil well mouth, and tubing string 1 is arranged in oil well.Electronic steam injection valve 2 is connected with oil pipe 1 by top connection 21, electronic steam injection valve 2 comprises the urceolus 23 with steam injection mouth 27, be set in the motor 11 in urceolus 23, be fixedly connected on the sliding sleeve 26 on motor 11, and be positioned at urceolus 23 second end and the ball-and-seat 28 that crude oil flows to first end from the second end can be made; Motor 11 comprises the stator 22 be fixedly connected with urceolus 23, have in stator 22 and run through the flow-guiding channel 221 of its first end to the second end, flow-guiding channel 221 can be connected with steam injection mouth 27, the first annular space 222 is formed between stator 22 and urceolus 23, have the mover 24 being set in stator 22 outer wall in first annular space 222, mover 24 can slide along the axis direction of urceolus 23; Sliding sleeve 26 be fixedly connected on mover 24 the second end and can shutoff steam injection mouth 27.Mover 24 has at least two operating positions, and when mover 24 is positioned at the first operating position, flow-guiding channel 221 is isolated with steam injection mouth 27, and when mover 24 is positioned at the second operating position, flow-guiding channel 221 is connected with steam injection mouth 27.Oil extraction pump 3 is connected with the second end of electronic steam injection valve 2.Switching device shifter 4 for switching between electronic steam injection valve 2 and oil extraction pump 3, to make electronic steam injection valve 2 and oil extraction pump 3 alternate run.
Particularly, see accompanying drawing 1 and accompanying drawing 2, oil pipe 1 is a cylindrical pipe of cardinal principle, and well head is led in its one end, and the other end is connected by top connection 21 with electronic steam injection valve 2.
Urceolus 23 sidewall of electronic steam injection valve 2 offers steam injection mouth 27, and this steam injection mouth 27 can inject high-temperature steam in oil jacket annular space.The internal sleeve of urceolus 23 is provided with motor 11, and this motor 11 has stator 22 and mover 24.Wherein, the front end of the stator 22 of this motor 11 is fixedly connected on the inwall of urceolus 23, and between stator 22 and urceolus 23, defining the first annular space 222, the flow-guiding channel 221 of stator 22 inside, when ball-and-seat 28 is opened, can be connected with the runner 281 of ball-and-seat 28.The mover 24 of motor 11 is set in outside its stator 22, and can slide along the axis direction of stator 22.Specifically, be the electromagnetic force that produces of the coiling in motor 11 in mover 24, mover 24 can be slided.Second end of mover 24 is fixedly connected with sliding sleeve 26, and mover 24 is sliding axially in process along stator 22, and sliding sleeve 26 can be driven to seal or open steam injection mouth 27 on urceolus 23 sidewall.Ball-and-seat 28 is positioned at urceolus 23 second end, and it can only make crude oil flow from the second end of ball-and-seat 28 to its first end.
Oil extraction pump 3 is connected with the second end of electronic steam injection valve 2.Switching device shifter 4, for switching signal between electronic steam injection valve 2 and oil extraction pump 3, replaces startup optimization to make electronic steam injection valve 2 with oil extraction pump 3.
Say further, refer to accompanying drawing 2 and accompanying drawing 3, in normal oil recovery process, switching device shifter 4 makes oil extraction pump 3 open, the mover 24 of electronic steam injection valve 2 is positioned at the first operating position, make flow-guiding channel 221 and steam injection mouth 27 isolated, that is the sliding sleeve 26 shutoff steam injection mouth 27 of mover 24 second end.Oil extraction pump 3 works, and makes crude oil flow to outer wellhead through oil extraction pump 3, oil pipe 1.When crude output decline needs steam injection, switching device shifter 4 switching makes oil extraction pump 3 close, the mover 24 of electronic steam injection valve 2 is positioned at the second operating position, the axis direction driving connected sliding sleeve 26 along stator 22 slides to first end by the mover 24 of electronic steam injection valve 2, now steam injection mouth 27 is opened, and steam enters electronic steam injection valve 2 by the flow-guiding channel 221 of stator 22, and ball-and-seat 28 is closed, steam is flowed in oil jacket annular space by steam injection mouth 27, and formation heats.After steam injection, keep steam injection mouth 27 open mode, stratum energy discharges, oil well blowing.Need to turn when taking out, the mover 24 that switching device shifter 4 controls electronic steam injection valve 2 slides along the axis direction of stator 22 to the second end, and mover 24 will drive sliding sleeve 26 shutoff steam injection mouth 27, and oil extraction pump 3 is opened, and recovers the oil.
Utilize note of the present invention to adopt not need to carry or transfer when integrated lifting tubing string 10 in steam injection or can recover the oil sucker rod can complete note and adopt integration operation.This system can set the steam injection cycle by switching device shifter 4, carries out automatic steam injection and oil producing operation.The present invention adopts Rodless oil extraction technique, can be applied to inclined shaft and directional well, avoid rod and tube partial-wear; Steam injection or turn when taking out and put sucker rod without the need to employing ground installation puts, simple to operate, improve operating efficiency and safety.
In a preferred embodiment, switching device shifter 4 comprises the controller 41 that is located at ground and one end is electrically connected mutually with controller 41, the oil-submersible cable 42 that the other end is electrically connected mutually with electronic steam injection valve 2, oil extraction pump 3 respectively.Controller 41 controls oil-submersible cable 42 and the signal of telecommunication is flowed to electronic steam injection valve 2 and oil extraction pump 3 respectively, controls electronic steam injection valve 2 respectively and oil extraction pump 3 runs.
In addition, note is adopted integrated lifting tubing string 10 and is also comprised downhole electrical motor 5, and downhole electrical motor 5 is electrically connected mutually with oil extraction pump 3, and downhole electrical motor 5 can provide electric power for oil extraction pump 3.Switching device shifter 4 comprises the controller 41 that is located at ground and one end is electrically connected mutually with controller 41, the oil-submersible cable 42 that the other end is electrically connected mutually with electronic steam injection valve 2, downhole electrical motor 5 respectively.That is, controller 41 controls oil-submersible cable 42 and the signal of telecommunication is flowed to electronic steam injection valve 2 and downhole electrical motor 5 respectively, and electricity is delivered to oil extraction pump 3 by downhole electrical motor 5 again.Downhole electrical motor 5 is connected with oil extraction pump 3 by linkage 6.
Another preferred embodiment in, controller 41 comprises switch board 411 and host computer 412, and host computer 412 is connected with switch board 411 signal.Say further, host computer 412 can be utilized to be connected with switch board 411 signal, and host computer 412 can transmit to switch board 411, and control switch board 411 and run, the signal of telecommunication is delivered to electronic steam injection valve 2 and downhole electrical motor 5 by switch board 411 again.
Concretely, switch board 411 sends instruction, command signal can be used the method for analog electric current loop to make current signal be transferred to down-hole by oil-submersible cable 42, control the opening and closing of electronic gas injection valve 2.
In addition, ball-and-seat 28 comprise be fixedly connected on urceolus 13 second end have runner 281 valve seat 282 and be positioned at runner 281 can the valve ball 283 of shutoff runner 281, runner 281 can be connected with flow-guiding channel 221.Be provided with at least one seal 25 between stator 22 and mover 24, the seal 25 is preferably sealing ring.
Wherein, the first end of stator 22 has the stopper section 223 be fixedly connected with described urceolus 23, and described stopper section 223 can limit described mover 24 and slide to first end.
Each embodiment in this manual all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar part mutually see.
Above-described embodiment, only for technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (8)
1. note adopts an integrated lifting tubing string, and it is characterized in that, it comprises:
Oil pipe, described oil pipe has along its axis direction near the first end of oil well mouth and the second end away from described oil well mouth, and described oil pipe is arranged in oil well;
Electronic steam injection valve, it is connected with described oil pipe by top connection, described electronic steam injection valve comprises the urceolus with steam injection mouth, be set in the motor in described urceolus, be fixedly connected on the sliding sleeve on described motor, and be positioned at described urceolus second end and the ball-and-seat that crude oil flows to first end from the second end can be made; Described motor comprises the stator be fixedly connected with described urceolus, has and run through the flow-guiding channel of its first end to the second end in described stator, and described flow-guiding channel can be connected with described steam injection mouth, forms the first annular space between described stator and described urceolus; In described first annular space, there is the mover being set in described stator outer wall, described sliding sleeve be fixedly connected on described mover the second end and can steam injection mouth described in shutoff;
Described mover can slide along the axis direction of described urceolus; Described mover has at least two operating positions, when described mover is positioned at the first operating position, described mover drives steam injection mouth described in described sliding sleeve shutoff, described flow-guiding channel and described steam injection mouth isolated, when described mover is positioned at the second operating position, described mover drives described sliding sleeve to expose described steam injection mouth, and described flow-guiding channel is connected with described steam injection mouth;
Oil extraction pump, it is connected with the second end of described electronic steam injection valve;
Switching device shifter, it for switching between described electronic steam injection valve and described oil extraction pump, to make described electronic steam injection valve and described oil extraction pump alternate run.
2. note according to claim 1 adopts integrated lifting tubing string, it is characterized in that: described switching device shifter comprises the controller being located at ground, and described controller is electrically connected with described electronic steam injection valve and described oil extraction pump respectively mutually by oil-submersible cable.
3. note according to claim 1 adopts integrated lifting tubing string, it is characterized in that: described note is adopted integrated lifting tubing string and also comprised downhole electrical motor, and described downhole electrical motor is electrically connected mutually with described oil extraction pump.
4. note according to claim 3 adopts integrated lifting tubing string, it is characterized in that: described downhole electrical motor is connected with described oil extraction pump by linkage.
5. note according to claim 2 adopts integrated lifting tubing string, it is characterized in that: described controller comprises switch board and host computer, described host computer is connected with described switch board signal, and described switch board is electrically connected with described electronic steam injection valve and described oil extraction pump respectively mutually by oil-submersible cable.
6. note according to claim 1 adopts integrated lifting tubing string, it is characterized in that: described ball-and-seat comprise be fixedly connected on described urceolus second end have runner valve seat and be positioned at described runner can the valve ball of runner described in shutoff, described runner can be connected with described flow-guiding channel.
7. note according to claim 1 adopts integrated lifting tubing string, it is characterized in that: be provided with at least one seal between described stator and described mover.
8. note according to claim 1 adopts integrated lifting tubing string, it is characterized in that: the first end of described stator has the stopper section be fixedly connected with described urceolus, and described stopper section can limit described mover and slide to first end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510254936.1A CN104989350A (en) | 2015-05-19 | 2015-05-19 | Injection-production integrated lifting pipe column |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510254936.1A CN104989350A (en) | 2015-05-19 | 2015-05-19 | Injection-production integrated lifting pipe column |
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| CN104989350A true CN104989350A (en) | 2015-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510254936.1A Pending CN104989350A (en) | 2015-05-19 | 2015-05-19 | Injection-production integrated lifting pipe column |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105756909A (en) * | 2016-04-11 | 2016-07-13 | 中国石油天然气股份有限公司 | Underground oil pump |
| CN108547603A (en) * | 2018-02-28 | 2018-09-18 | 中国石油天然气股份有限公司 | Water injection and oil extraction integrated tubular column and water injection and oil extraction method |
| CN114427382A (en) * | 2020-10-12 | 2022-05-03 | 中国石油化工股份有限公司 | Downhole tubular oil production pump lower tubular column seating device and method |
| CN115614003A (en) * | 2021-07-15 | 2023-01-17 | 中国石油天然气股份有限公司 | Electric submersible vane pump lifting system and petroleum production line |
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| CN108547603A (en) * | 2018-02-28 | 2018-09-18 | 中国石油天然气股份有限公司 | Water injection and oil extraction integrated tubular column and water injection and oil extraction method |
| CN114427382A (en) * | 2020-10-12 | 2022-05-03 | 中国石油化工股份有限公司 | Downhole tubular oil production pump lower tubular column seating device and method |
| CN115614003A (en) * | 2021-07-15 | 2023-01-17 | 中国石油天然气股份有限公司 | Electric submersible vane pump lifting system and petroleum production line |
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Application publication date: 20151021 |