CN105089561A - Constant-displacement pump-passing dosing lifting process - Google Patents
Constant-displacement pump-passing dosing lifting process Download PDFInfo
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- CN105089561A CN105089561A CN201410192474.0A CN201410192474A CN105089561A CN 105089561 A CN105089561 A CN 105089561A CN 201410192474 A CN201410192474 A CN 201410192474A CN 105089561 A CN105089561 A CN 105089561A
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Abstract
The invention discloses a constant-displacement pump-passing dosing lifting process. The constant-displacement pump-passing dosing lifting process is characterized in that a medicament required to be added is injected into a medicament storage tank of a multifunctional medicament adding device, a metering pump is opened, and the dropping displacement is adjusted according to the pre-optimized dropping amount; the medicament is pressurized by the metering pump, is then injected into a tee joint, a single-flow hollow sucker rod, a plunger and a rotational flow mixing device through a high-pressure hose, and finally enters into an oil pipe through a releaser of the rotational flow mixing device; the rotational flow mixing device is driven by the plunger to do up-down motion; a main rotary vane of rotary vanes is impacted by liquid flow to rotate and drive a secondary rotary vane to rotate; the secondary rotary vane stirs well fluid, so that the medicament and the well fluid are fully mixed to form a mixed solution; finally, the mixed solution is drained to the ground by an oil well pump along an annular space formed by a rod and a tube. According to the constant-displacement pump-passing dosing lifting process disclosed by the invention, the functions of automatic constant-displacement addition, active mixing of the medicament and produced fluid, weight increasing after passing pump and the like are realized.
Description
Technical field
The present invention relates to oil well dosing technique, especially a kind of fixed displacement crosses pump dosing lifting technology.
Background technology
Carried out the oil well of Paraffin Removal, scale removal, viscosity reduction etc. at present by dosing, its medicament is generally regularly concentrated by oil jacket annular space and is added.Which also exists medicament and drips discontinuous, uneven, and medicament and production fluid mixed effect be poor, take effect slowly, causes the problems such as pharmacy effect effect instability.For this present situation, invented fixed displacement and crossed the technical research of pump dosing lifting technology, object is by adding medicament in oil pipe under pump and active confection and production fluid, reaching raising pharmacy effect, reduce dosing, alleviate the effect of labor strength.
Summary of the invention
The object of the present invention is to provide a kind of fixed displacement to cross pump dosing lifting technology, achieve the dropping of automation fixed displacement, initiatively confection and production fluid, cross the functions such as pump increases the weight of.
In order to reach above-mentioned purpose, present invention employs following technical scheme, a kind of fixed displacement crosses pump dosing lifting technology, the steps include:
First assemble fixed displacement and cross pump dosing lifting equipment, this equipment comprises the oil pumper being placed in aboveground ground, be placed in the multifunctional adjustable medicament Dropping feeder on aboveground ground, be placed in the oil pipe in down-hole casing, be placed in the oil well pump on oil pipe, described oil pumper is entered below well head by rod string and connects oil well pump, described rod string is hollow rod, described multifunctional adjustable medicament Dropping feeder is mainly medicine storing pot, described medicine storing pot is connected on rod string by feed-line and injection threeway, the pipeline connected between described medicine storing pot and threeway is set up a measuring pump, the medicament needing to add is injected the medicine storing pot of multipurpose agent Dropping feeder, open measuring pump, adjust dripping discharge capacity according to the dripping quantity optimized in advance, after medicament is pressurizeed by measuring pump, through high-pressure hose, inject threeway, single current hollow-rod string, plunger, rotational flow mixing device, finally enter in oil pipe from the release of rotational flow mixing device, rotational flow mixing device moves up and down under the drive of plunger, and the main blade of blade produces by liquid flow impact and rotates, and drive secondary blade to rotate, secondary blade stirs well liquid, makes medicament and well liquid fully be mixed into mixed liquor, last mixed liquor drains into ground via oil well pump along rod tube annular space.
Connect a rotational flow mixing device below described oil well pump, the blade that described rotational flow mixing device comprises eddy flow center pillar and is arranged on eddy flow center pillar, the described eddy flow center pillar with blade realizes moving up and down by the oil well pump of top and the drive of rod string.
On described eddy flow center pillar and the lower position being positioned at blade is provided with release for release medicine.
Described oil well pump is offset hollow oil-well pump, and this oil well pump comprises outside pump barrel and is arranged on the plunger of pump barrel inside, described its upper end connecting with pumping rod post, and lower end connects rotational flow mixing device.
Described rod string is single current hollow-rod string, and on this rod string and the position be positioned at below well head is provided with a single flow device.
Compared to prior art, the present invention has following beneficial effect:
Ground system is multifunctional adjustable medicament Dropping feeder mainly, also comprises the conventional equipment such as oil pumper, well head; Downhole system comprises the hollow roofbolt of single current, offset hollow oil-well pump, rotational flow mixing device, the tubing string matched and conventional oil well sleeve pipe.Ground system is responsible for medicament storage, metering, fixed displacement dropping; Single current hollow-rod string transmits power to oil well pump and rotational flow mixing device, and provide medicament channel, its inner passage possesses one-way flow ability---and ground medicament can enter down-hole by forward, and in well, production fluid adverse current cannot arrive ground; Offset hollow pump is well liquid lifting equipment, and medicament channel is left in inside, using ball valve side as inlet valve, replaces plain hollow pump annular suction valve structure to improve reliability; Rotational flow mixing device is responsible for medicament release, stirs, increase the weight of under pump can being implemented to roofbolt if desired to alleviate slow under, bending phenomenon.During process implementing, under ground medicament enters pump along hollow roofbolt inside---hollow oil-well pump is inner---rotational flow mixing device in oil pipe, mix with well liquid, after rotational flow mixing device stirs, under oil well pump effect, arrive ground from rod tube annular space together with production fluid in well.
Feature of the present invention: (1) medicament injection rate is adjustable, total, and injection rate can be monitored, and possesses medicament heat insulation function, a whole set of medicament Dropping feeder skid-mounted type design; (2) rotational flow mixing device under innovative design pump, initiatively stirs medicament and well liquid by roofbolt power with straight line and rotary motion form, makes its full and uniform mixing, can improve pharmacy effect effect, reduces dosing.
Accompanying drawing explanation
Fig. 1 is the structure chart that fixed displacement crosses pump dosing lifting device.
In figure: 1, multifunctional adjustable medicament Dropping feeder; 1-1, medicine storing pot; 1-2, measuring pump; 1-3, injection threeway; 1-4, high-pressure hose; 2, single current hollow-rod string; 2-1, hollow rod; 2-2, single flow device; 3, offset hollow oil-well pump; 3-1, pump barrel; 3-2, plunger; 4, rotational flow mixing device; 4-1, blade; 4-2, release; 5, oil pipe; 6, sleeve pipe; 7, oil pumper; 8, well head.
Detailed description of the invention
Detailed description for the present invention and technology contents, coordinate accompanying drawing to be described as follows, but accompanying drawing only provides with reference to the use with explanation, is not used for being limited the present invention.
As shown in Figure 1, a kind of fixed displacement crosses pump dosing lifting device, comprise the oil pumper 7 being placed in aboveground ground, be placed in the oil pipe 5 in down-hole casing, be placed in the oil well pump on oil pipe, described oil pumper is entered below well head by rod string and connects oil well pump, described rod string is hollow rod 2-1, also comprise the multifunctional adjustable medicament Dropping feeder 1 being placed in aboveground ground, described multifunctional adjustable medicament Dropping feeder is mainly medicine storing pot 1-1, described medicine storing pot is connected on rod string by feed-line and injection threeway 1-3, the pipeline connected between described medicine storing pot and threeway is set up a measuring pump 1-2, achieve the adjustable automation of medicament and cross pump dropping.Described feed-line is high-pressure hose 1-4.
A rotational flow mixing device 4 is connected below described oil well pump, described rotational flow mixing device comprises eddy flow center pillar and is arranged on the blade 4-1 on eddy flow center pillar, and the described eddy flow center pillar with blade realizes moving up and down by the oil well pump of top and the drive of rod string.On described eddy flow center pillar and the lower position being positioned at blade is provided with release 4-2 for release medicine.
Described oil well pump is offset hollow oil-well pump 3, and this oil well pump comprises outside pump barrel 3-1 and is arranged on the plunger 3-2 of pump barrel inside, described its upper end connecting with pumping rod post, and lower end connects rotational flow mixing device.Described rod string is single current hollow-rod string 2, and on this rod string and the position be positioned at below well head is provided with a single flow device 2-2.
A kind of fixed displacement crosses pump dosing lifting technology, and its embodiment is: the pump barrel 3-1 of offset hollow oil-well pump 3 is with oil pipe 5 G.I.H precalculated position; Then rotational flow mixing device 4 is connected successively with offset hollow oil-well pump plunger 3-2, single current hollow-rod string 2, G.I.H, and plunger 3-2 enters in pump barrel 3-1 and completes underground equipment installation; Afterwards well head 8, oil pumper 7, multifunctional adjustable medicament Dropping feeder 1 are installed.During day-to-day operation, the medicament needing to add is injected the medicine storing pot 1-1 of multipurpose agent Dropping feeder, open measuring pump 1-2, adjust dripping discharge capacity according to the dripping quantity optimized in advance.After medicament is pressurizeed by measuring pump 1-2, through high-pressure hose 1-4, inject threeway 1-3, single current hollow-rod string 2, plunger 3-2, rotational flow mixing device 4, finally enter in oil pipe from the release 4-2 of rotational flow mixing device.Rotational flow mixing device 4 moves up and down under the drive of plunger 3-2, and the main blade of blade 4-1 produces by liquid flow impact and rotates, and drive secondary blade to rotate, secondary blade stirs well liquid, and medicament is fully mixed with well liquid.Last mixed liquor drains into ground flow via oil well pump 3 along rod tube annular space.
This technique achieves the adjustable automation of medicament and crosses pump dropping, by active confection and production fluid, solve into the uneven problem of well medicament mixing, improve medicament result of use, and the oil well larger to friction in down stroke increases the weight of function under providing pump, effectively alleviate the slow lower phenomenon of roofbolt.
The foregoing is only preferred embodiment of the present invention, be not used to limit the scope of the claims of the present invention, other use the equivalence of patent spirit of the present invention to change, and all should all belong to the scope of the claims of the present invention.
Claims (5)
1. fixed displacement crosses a pump dosing lifting technology, the steps include:
First assemble fixed displacement and cross pump dosing lifting equipment, this equipment comprises the oil pumper being placed in aboveground ground, be placed in the multifunctional adjustable medicament Dropping feeder on aboveground ground, be placed in the oil pipe in down-hole casing, be placed in the oil well pump on oil pipe, described oil pumper is entered below well head by rod string and connects oil well pump, described rod string is hollow rod, described multifunctional adjustable medicament Dropping feeder is mainly medicine storing pot, described medicine storing pot is connected on rod string by feed-line and injection threeway, the pipeline connected between described medicine storing pot and threeway is set up a measuring pump,
The medicament needing to add is injected the medicine storing pot of multipurpose agent Dropping feeder, open measuring pump, adjust dripping discharge capacity according to the dripping quantity optimized in advance;
After medicament is pressurizeed by measuring pump, through high-pressure hose, inject threeway, single current hollow-rod string, plunger, rotational flow mixing device, finally enter in oil pipe from the release of rotational flow mixing device;
Rotational flow mixing device moves up and down under the drive of plunger, and the main blade of blade produces by liquid flow impact and rotates, and drive secondary blade to rotate, secondary blade stirs well liquid, makes medicament and well liquid fully be mixed into mixed liquor;
Last mixed liquor drains into ground via oil well pump along rod tube annular space.
2. a kind of fixed displacement according to claim 1 crosses pump dosing lifting technology, it is characterized in that, a rotational flow mixing device is connected below described oil well pump, the blade that described rotational flow mixing device comprises eddy flow center pillar and is arranged on eddy flow center pillar, the described eddy flow center pillar with blade realizes moving up and down by the oil well pump of top and the drive of rod string.
3. a kind of fixed displacement according to claim 2 crosses pump dosing lifting technology, it is characterized in that, on described eddy flow center pillar and the lower position being positioned at blade is provided with release for release medicine.
4. a kind of fixed displacement according to claim 2 crosses pump dosing lifting technology, it is characterized in that, described oil well pump is offset hollow oil-well pump, this oil well pump comprises outside pump barrel and is arranged on the plunger of pump barrel inside, described its upper end connecting with pumping rod post, lower end connects rotational flow mixing device.
5. a kind of fixed displacement according to claim 1 crosses pump dosing lifting technology, it is characterized in that, described rod string is single current hollow-rod string, and on this rod string and the position be positioned at below well head is provided with a single flow device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410192474.0A CN105089561A (en) | 2014-05-09 | 2014-05-09 | Constant-displacement pump-passing dosing lifting process |
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| CN201410192474.0A CN105089561A (en) | 2014-05-09 | 2014-05-09 | Constant-displacement pump-passing dosing lifting process |
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| CN105089561A true CN105089561A (en) | 2015-11-25 |
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| CN201410192474.0A Pending CN105089561A (en) | 2014-05-09 | 2014-05-09 | Constant-displacement pump-passing dosing lifting process |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111101899A (en) * | 2018-10-29 | 2020-05-05 | 中国石油化工股份有限公司 | Oil sleeve annulus dosing lifting device and method |
| RU2746916C1 (en) * | 2020-10-16 | 2021-04-22 | федеральное государственное бюджетное образовательное учреждение высшего образования "Пермский национальный исследовательский политехнический университет" | Device for dosing reagent supply into the well |
| CN115163006A (en) * | 2022-06-18 | 2022-10-11 | 濮阳市科特石油工程技术有限公司 | Oil well paraffin removal viscosity reduction remote metering matched equipment and method |
| CN115288643A (en) * | 2022-08-15 | 2022-11-04 | 东营市瑞洲石油科技有限公司 | Oil recovery well casing charge device |
| RU2810356C1 (en) * | 2023-10-05 | 2023-12-27 | Публичное акционерное общество "Татнефть" имени В.Д. Шашина | Deep rod pump for difficult conditions |
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Cited By (7)
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| CN111101899A (en) * | 2018-10-29 | 2020-05-05 | 中国石油化工股份有限公司 | Oil sleeve annulus dosing lifting device and method |
| RU2746916C1 (en) * | 2020-10-16 | 2021-04-22 | федеральное государственное бюджетное образовательное учреждение высшего образования "Пермский национальный исследовательский политехнический университет" | Device for dosing reagent supply into the well |
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| RU2810356C1 (en) * | 2023-10-05 | 2023-12-27 | Публичное акционерное общество "Татнефть" имени В.Д. Шашина | Deep rod pump for difficult conditions |
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