CN105019872A - Online profile control method for oilfield water injection well - Google Patents
Online profile control method for oilfield water injection well Download PDFInfo
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- CN105019872A CN105019872A CN201410172355.9A CN201410172355A CN105019872A CN 105019872 A CN105019872 A CN 105019872A CN 201410172355 A CN201410172355 A CN 201410172355A CN 105019872 A CN105019872 A CN 105019872A
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- profile control
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Abstract
The invention discloses an online profile control method for an oilfield water injection well. The method comprises the following steps: selecting an appropriate profile control well; selecting an appropriate position in the water injection pipeline extended range of the profile control well for assembling an online profile control dosing and water injection device; preparing a profile control agent according to the design; starting a hydraulic plunger pump and an S valve assembly to complete online injection of the profile control agent; and normally maintaining a pumping system to complete a construction task. The method can thoroughly solve the problem of injection limitation of various profile control agents, reduce the construction cost, reduce the construction labor intensity and fulfill the purpose of large-dosage deep profile control construction.
Description
Technical field
The present invention relates to industrial gas oil water injection well in oil fields profile control technique, specifically the online profile control technique of a kind of water injection well in oil fields.
Background technology
In oilfield development process, along with well water raises gradually, this will have a strong impact on the oil production of oil well.Produce water for oil well and carry out Profile Control in Injection Well technology, and making one of this technology important process measure becoming oilfield stable production gradually.Current training liquid pump injection system mainly contains two kinds: one is movable injection flow process, and another kind is that flow process is injected in skid.Movable flow process of injecting is suitable for the construction of low dose of profile control, and sled stake is injected flow process and is applicable to the construction of heavy dose of profile control.
There is following subject matter in the dosing of current oil field water well profile control, infusion system: 1, existing profile control method dosing, infusion cost are higher; 2, the requirement of existing dosing infusion system to system is higher, and bulky grain, high concentration, complicated blocking agent system cannot complete effective injection, limit profile control construction effect.
Summary of the invention
The object of the present invention is to provide the online profile control technique of a kind of water injection well in oil fields, thoroughly can solve the restricted problem that various profile control agent injects, can construction cost be saved, reduce construction labour intensity, and meet the object of heavy dose of deep profile controlling construction.
In order to reach above-mentioned purpose, present invention employs following technical scheme:
A kind of water injection well in oil fields online profile control dosing method for implanting, its step comprises:
Select the step being applicable to profile control well;
Prolong in journey the position selecting to be applicable at the waterflood-transmission line of profile control well, assemble the step of online profile control dosing injection device;
According to the step of configuration having designed profile control agent;
Start hydraulic planger pump and S valve assembly, complete the step of the online injection of profile control agent;
Conventional maintenance infusion system, realizes the step of construction task.
The step of the described configuration according to having designed profile control agent mainly comprises the dosing method of frozen glue liquid type profile control agent and the collocation method of solid particle class blocking agent.
The dosing method of described frozen glue liquid type profile control agent is by quantitative ingredient device, completes the configuration of variable concentrations liquid, specifically carrys out metering water quantity with measuring pump, carry out metered dry powder consumption with screw pump, make variable concentrations profile control agent.
The collocation method of solid particle class blocking agent directly particulate species blocking agent is put into by mass metrology to stir material pond, and measuring pump metering water quantity, just can complete the preparation of variable concentrations solid particle class blocking agent.
Describedly start hydraulic planger pump and S valve assembly, complete the step of the online injection of profile control agent, be embodied in, stir profile control agent in material pond, self-priming according to deadweight and hydraulic planger pump can make profile control agent enter in S valve assembly, made by the rotary motion of S valve and the reciprocating motion of hydraulic planger pump in two cylinder bodies of blocking agent injection liquid hydraulic plunger pump successively, and infusion is in well original annotation water pipeline, ball-and-seat controls can not be recycled in infusion system in original annotation water pipeline.
In order to reach another object above-mentioned, present invention employs following technical scheme:
A kind of water injection well in oil fields online profile control dosing injection device, comprise quantitative ingredient device, S valve assembly, hydraulic planger pump, described quantitative ingredient device arranges discharging opening, S valve assembly arranges charging aperture, connects pumping hole, outpours mouth, the discharging opening of described quantitative ingredient device is connected by connecting leg road with the charging aperture of S valve assembly, what described hydraulic planger pump was connected to S valve assembly connects on pumping hole, and the mouth that outpours of described S valve assembly is connected on well original annotation water pipeline by pipeline again.
Also be provided with between described quantitative ingredient device, S valve assembly and stir material pond, quantitative ingredient device connects the import of stirring material pond by pipeline, and the charging aperture of S valve assembly connects the outlet of stirring material pond.
The pipeline that the outpouring of described S valve assembly is connected between mouth with well original annotation water pipeline is also provided with ball-and-seat.
Compared to prior art, the present invention has following beneficial effect:
The present invention is a kind of device and method that can realize particulate species, frozen glue class, complicated blocking agent online injection, device forms based on material-compound tank, feeder, hydraulic planger pump and S valve, the oil field water well online injection profile control method formed thoroughly can solve the restricted problem that various profile control agent injects, owing to utilizing the water filling flow process of the original waterflood-transmission line of water injection well, this profile control method construction sequence environmental protection, efficient, construction cost is low, can realize the online injection of bulky grain class blocking agent.
Accompanying drawing explanation
Fig. 1 is the structure chart of a kind of water injection well in oil fields of the present invention online profile control dosing injection device.
In figure: 1, quantitative ingredient device; 2, material pond is stirred; 3, well original annotation water pipeline; 4, hydraulic planger pump; 5, S valve assembly; 6, ball-and-seat.
Detailed description of the invention
The online profile control technique of a kind of water injection well in oil fields, its step comprises:
(1) select to be applicable to profile control well;
(2) prolong in journey the position selecting to be applicable at the waterflood-transmission line of profile control well, connect online profile control technology flow process;
(3) according to the configuration having designed profile control agent; Wherein dosing method comprises, 1) the dosing method of frozen glue liquid type profile control agent: by quantitative ingredient device, can complete the configuration of variable concentrations liquid, specifically measuring pump metering water quantity, screw pump pump speed metered dry powder consumption, can prepare variable concentrations profile control agent.2) collocation method of solid particle class blocking agent: directly particulate species blocking agent is put into by mass metrology and stir material pond, measuring pump metering water quantity, just can complete the preparation of variable concentrations solid particle class blocking agent.
(4) start hydraulic planger pump and S valve assembly, complete the online injection of profile control agent; The tubular distributing valve of S, is called for short S valve, and it swings with pipe fitting a kind of form of structure reaching and suck and discharge, and this distributing valve is placed in hopper, and its one end is connected with carrier pipe, and the other end can swing, and its advantage is that terrain clearance reduces.
(5) conventional maintenance infusion system, realizes construction task.
Coordinate accompanying drawing to be described as follows below, but accompanying drawing only provide with reference to the use with explanation, is not used for being limited the present invention.
As shown in Figure 1, a kind of water injection well in oil fields online profile control dosing injection device, comprise quantitative ingredient device 1, S valve assembly 5, hydraulic planger pump 4, described quantitative ingredient device arranges discharging opening, S valve assembly arranges charging aperture, connects pumping hole, outpours mouth, the discharging opening of described quantitative ingredient device is connected by connecting leg road with the charging aperture of S valve assembly, and what described hydraulic planger pump was connected to S valve assembly connects on pumping hole, and the mouth that outpours of described S valve assembly is connected on well original annotation water pipeline 3 by pipeline again.Also be provided with between described quantitative ingredient device, S valve assembly and stir material pond 2, quantitative ingredient device connects the import of stirring material pond by pipeline, and the charging aperture of S valve assembly connects the outlet of stirring material pond.The pipeline that the outpouring of described S valve assembly is connected between mouth with well original annotation water pipeline is also provided with ball-and-seat 6.
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 (8)
1. the online profile control technique of a kind of water injection well in oil fields according to claim 1, its step comprises:
Select the step being applicable to profile control well;
Prolong in journey the position selecting to be applicable at the waterflood-transmission line of profile control well, assemble the step of online profile control dosing injection device;
According to the step of configuration having designed profile control agent;
Start hydraulic planger pump and S valve assembly, complete the step of the online injection of profile control agent;
Conventional maintenance infusion system, realizes the step of construction task.
2. the online profile control technique of a kind of water injection well in oil fields according to claim 1, it is characterized in that, the step of the described configuration according to having designed profile control agent mainly comprises the dosing method of frozen glue liquid type profile control agent and the collocation method of solid particle class blocking agent.
3. the online profile control technique of a kind of water injection well in oil fields according to claim 2, it is characterized in that, the dosing method of described frozen glue liquid type profile control agent is by quantitative ingredient device, complete the configuration of variable concentrations liquid, specifically carry out metering water quantity with measuring pump, carry out metered dry powder consumption with screw pump, make variable concentrations profile control agent.
4. the online profile control technique of a kind of water injection well in oil fields according to claim 2, it is characterized in that, the collocation method of solid particle class blocking agent directly particulate species blocking agent is put into by mass metrology to stir material pond, measuring pump metering water quantity, just can complete the preparation of variable concentrations solid particle class blocking agent.
5. the online profile control technique of a kind of water injection well in oil fields according to claim 1, it is characterized in that, describedly start hydraulic planger pump and S valve assembly, complete the step of the online injection of profile control agent, be embodied in, stir profile control agent in material pond, self-priming according to deadweight and hydraulic planger pump can make profile control agent enter in S valve assembly, made in two cylinder bodies of blocking agent injection liquid hydraulic plunger pump successively by the rotary motion of S valve and the reciprocating motion of hydraulic planger pump, and infusion is in well original annotation water pipeline, ball-and-seat controls can not be recycled in infusion system in original annotation water pipeline.
6. a water injection well in oil fields online profile control dosing injection device, it is characterized in that, comprise quantitative ingredient device, S valve assembly, hydraulic planger pump, described quantitative ingredient device arranges discharging opening, S valve assembly arranges charging aperture, connects pumping hole, outpours mouth, the discharging opening of described quantitative ingredient device is connected by connecting leg road with the charging aperture of S valve assembly, and what described hydraulic planger pump was connected to S valve assembly connects on pumping hole, and the mouth that outpours of described S valve assembly is connected on well original annotation water pipeline by pipeline again.
7. a kind of water injection well in oil fields according to claim 6 online profile control dosing injection device, it is characterized in that, also be provided with between described quantitative ingredient device, S valve assembly and stir material pond, quantitative ingredient device connects the import of stirring material pond by pipeline, the charging aperture of S valve assembly connects the outlet of stirring material pond.
8. a kind of water injection well in oil fields according to claim 6 online profile control dosing injection device, is characterized in that, the pipeline that the outpouring of described S valve assembly is connected between mouth with well original annotation water pipeline is also provided with ball-and-seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410172355.9A CN105019872A (en) | 2014-04-28 | 2014-04-28 | Online profile control method for oilfield water injection well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410172355.9A CN105019872A (en) | 2014-04-28 | 2014-04-28 | Online profile control method for oilfield water injection well |
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| Publication Number | Publication Date |
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| CN105019872A true CN105019872A (en) | 2015-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410172355.9A Pending CN105019872A (en) | 2014-04-28 | 2014-04-28 | Online profile control method for oilfield water injection well |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110792420A (en) * | 2019-10-30 | 2020-02-14 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Online preparation and leakage stoppage process for repairing lost circulation gas well |
| CN111963123A (en) * | 2020-08-25 | 2020-11-20 | 中国石油天然气股份有限公司 | One-pump multi-injection profile control device and method for oil field |
-
2014
- 2014-04-28 CN CN201410172355.9A patent/CN105019872A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110792420A (en) * | 2019-10-30 | 2020-02-14 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Online preparation and leakage stoppage process for repairing lost circulation gas well |
| CN110792420B (en) * | 2019-10-30 | 2022-04-01 | 中国石油天然气集团有限公司 | Online preparation and leakage stoppage process for repairing lost circulation gas well |
| CN111963123A (en) * | 2020-08-25 | 2020-11-20 | 中国石油天然气股份有限公司 | One-pump multi-injection profile control device and method for oil field |
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Application publication date: 20151104 |