CN105672966A - System for offshore oil field online profile control and displacement - Google Patents
System for offshore oil field online profile control and displacement Download PDFInfo
- Publication number
- CN105672966A CN105672966A CN201610019506.6A CN201610019506A CN105672966A CN 105672966 A CN105672966 A CN 105672966A CN 201610019506 A CN201610019506 A CN 201610019506A CN 105672966 A CN105672966 A CN 105672966A
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- CN
- China
- Prior art keywords
- transfer drive
- displacement
- profile control
- pipeline
- emulsion breaker
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- 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.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
Abstract
The invention discloses a system for offshore oil field online profile control and displacement. The system comprises a water injection pipeline and a profile control and displacement pipeline with the tail end connected with a well shaft. An emulsion breaker with the inlet end connected with the water injection pipeline and the outlet end connected with the profile control and displacement pipeline is arranged between the water injection pipeline and the profile control and displacement pipeline, wherein the emulsion breaker is used for forming a profile control and displacement system. The emulsion breaker is connected with a static mixer arranged on the profile control and displacement system and close to a well mouth. The front side and the rear side of the emulsion breaker are each connected with an injection system through an opening, wherein the injection systems are used for containing agents and pumping the agents into the emulsion breaker. The problems that a large profile control and displacement device is large in occupied area and other simultaneous work is influenced are solved; the offshore platform heterogeneous online profile control and displacement construction process is achieved, and the continuous real-time profile control and displacement construction requirements are met.
Description
Technical field
The present invention relates to offshore oilfield transfer drive, particularly to a kind of system for the online transfer drive of offshore oilfield.
Background technology
At present, transfer drive DP technology technology is effective technical measures of crude oil high and stable yields, and the meaning of its work is also particularly significant, its objective is to control the output of oil field water, keeps stratum energy, reaches to improve oil recovery factor. For the Technology of offshore oilfield transfer drive, the common transfer drive flow process of domestic main employing, it is adaptable to large-scale profile control or transfer drive equipment. But owing to offshore oilfield platform space is narrow and small, large-scale transfer drive occupation area of equipment is big, carries out while affecting other operation.
Summary of the invention
It is an object of the invention to overcome deficiency of the prior art, it is provided that a kind of platform floor space is little, can realize the system for the online transfer drive of offshore oilfield of real-time online transfer drive.
In order to solve above-mentioned technical problem, the present invention provides a kind of system for the online transfer drive of offshore oilfield, including waterflood-transmission line, with the transfer drive pipeline that end connects pit shaft, being provided with the emulsion breaker that entrance point is connected with waterflood-transmission line, the port of export is connected for forming transfer drive system with transfer drive pipeline between described waterflood-transmission line and transfer drive pipeline, described emulsion breaker is connected to and is arranged on transfer drive pipeline and the static mixer of nearly pithead position; The both sides, front and back of described emulsion breaker are connected to for holding medicament and medicament pumping into the injection sled of described emulsion breaker by opening.
Described injection sled includes prying body, and described prying body upper end is provided with suspension ring, is provided with the Multifunction tank that manifold is connected, plunger type metering pump and electric appliance control box in described prying body; Described Multifunction tank outer cladding one layer of heat preservation layer.
Described Multifunction tank includes tank body, is arranged on the dosing mouth on tank body top and is arranged on the medicine outlet of tank base side, and described dosing mouth and medicine outlet are provided with drainage screen; Being provided with the agitator comprising stirring vane in described tank body, described tank body is externally connected with the correction cylinder for correcting medicament in tank body.
Described medicament is the one of which composition of emulsion polymer, cross-linking agent/PPG.
Described transfer drive pipeline is connected with in turn effusion meter between static mixer and pit shaft, regulates valve and probe tube.
The invention has the beneficial effects as follows: be capable of the heterogeneous online displacement construction technique of offshore platform, it is achieved continuously in real time displacement construction requirement, meet the requirement that platform space is narrow and small, and implement while not affecting other operation of platform.
Accompanying drawing explanation
Fig. 1: present system structural representation;
Fig. 2: emulsion breaker structural representation of the present invention;
Fig. 3: the present invention injects sled structural representation;
Fig. 4: Multifunction tank structural representation of the present invention.
Accompanying drawing marks: 1, waterflood-transmission line; 2, transfer drive pipeline; 3, pit shaft; 4, emulsion breaker; 5, sled is injected; 6, sled is injected; 7, static mixer; 8, effusion meter; 9, valve is regulated; 10, probe tube; 11, opening; 12, opening; 13, entrance point; 14, the port of export; 15, prying body; 16, suspension ring; 17, Multifunction tank; 18, electric appliance control box; 19, plunger type metering pump; 20, heat-insulation layer; 21, correction cylinder; 22, tank body; 23, dosing mouth; 24, medicine outlet; 25, agitator; 26, stirring vane.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in accompanying drawing 1-4, a kind of system for the online transfer drive of offshore oilfield, including waterflood-transmission line 1, with the transfer drive pipeline 2 that end connects pit shaft 3, it is provided with entrance point 13 between described waterflood-transmission line 1 and transfer drive pipeline 2 to be connected with waterflood-transmission line 1, the port of export 14 is connected with transfer drive pipeline 2 emulsion breaker 4 for forming transfer drive system, the both sides, front and back of described emulsion breaker 4 offer opening 11 respectively, 12, front openings 11 is anterior for emulsion polymer pumps into emulsion breaker 4 cavity, and realize breakdown of emulsion through high-speed stirred, rear openings 12 for pumping into emulsion breaker 4 chamber rear by cross-linking agent or PPG, and mix with the emulsion polymer after ante-chamber breakdown of emulsion simultaneously, form transfer drive system and inputted in transfer drive pipeline 2 by the port of export 14 of emulsion breaker 4, in the present embodiment, described emulsion breaker 4 adopts the emulsion breaker manufactured by Dongying Tianhua Petroleum Technology Development Co., Ltd..
The front and back opening 11,12 of described emulsion breaker 4 is connected to for holding medicament and medicament pumping into the injection sled 5,6 of emulsion breaker 4, wherein, described medicament is the one of which composition of emulsion polymer, cross-linking agent/PPG, in the present embodiment, the injection sled 5 being connected with emulsion breaker 4 front openings 11 holds emulsion polymer, and the injection sled 6 being connected with emulsion breaker 4 rear openings 12 holds cross-linking agent or PPG.
Described injection sled 5,6 all includes prying body 15, and described prying body 15 upper end is provided with suspension ring 16, is provided with the Multifunction tank 17 that manifold is connected, plunger type metering pump 19 and electric appliance control box 18 in described prying body 15; Described Multifunction tank 17 outer cladding one layer of heat preservation layer 20. Wherein, described Multifunction tank 17 includes tank body 22, is arranged on the dosing mouth 23 on tank body 22 top and is arranged on the medicine outlet 24 of side bottom tank body 22, and described dosing mouth 23 and medicine outlet 24 are provided with drainage screen; The agitator 25 comprising stirring vane 26 it is provided with in described tank body 22, described tank body 22 is externally connected with the correction cylinder 21 for correcting medicament in tank body 22, described Multifunction tank 17 is connected with plunger type metering pump 19, complete the Multi-stage stirring of medicament, medicament is pumped into emulsion breaker 4 according to certain speed, it is provided that online transfer drive power, technological parameter; Described plunger type metering pump 19, it is provided that online transfer drive displacement power, pumps into transfer drive flow process by technological parameter requirement by transfer drive system; Described electric appliance control box 18, by being connected with Multifunction tank 17 and plunger type metering pump 19, completes the Electric control of each parts.
Described emulsion breaker 4 is connected to and is arranged on transfer drive pipeline 2 and the static mixer 7 of nearly pithead position, and described static mixer 7 is for injecting pit shaft 3, enter stratum by further for transfer drive system mix homogeneously and eventually through online transfer drive flow process.
Additionally, described transfer drive pipeline 2 is also connected with in turn effusion meter 8 between static mixer 7 and pit shaft 3, regulates valve 9 and probe tube 10.
When using the present invention to carry out online transfer drive, it is possible to injection sled 5,6 is placed on the idle space of platform lower plate, saves the online transfer drive equipment floor space at platform, real-time online transfer drive technique.
Claims (5)
1. the system for the online transfer drive of offshore oilfield, including waterflood-transmission line, with the transfer drive pipeline that end connects pit shaft, it is characterized in that, being provided with the emulsion breaker that entrance point is connected with waterflood-transmission line, the port of export is connected for forming transfer drive system with transfer drive pipeline between described waterflood-transmission line and transfer drive pipeline, described emulsion breaker is connected to and is arranged on transfer drive pipeline and the static mixer of nearly pithead position; The both sides, front and back of described emulsion breaker are connected to for holding medicament and medicament pumping into the injection sled of described emulsion breaker by opening.
2. the system for the online transfer drive of offshore oilfield according to claim 1, it is characterized in that, described injection sled includes prying body, and described prying body upper end is provided with suspension ring, the Multifunction tank that manifold is connected, plunger type metering pump and electric appliance control box it is provided with in described prying body; Described Multifunction tank outer cladding one layer of heat preservation layer.
3. the system for the online transfer drive of offshore oilfield according to claim 2, it is characterized in that, described Multifunction tank includes tank body, is arranged on the dosing mouth on tank body top and is arranged on the medicine outlet of tank base side, and described dosing mouth and medicine outlet are provided with drainage screen; Being provided with the agitator comprising stirring vane in described tank body, described tank body is externally connected with the correction cylinder for correcting medicament in tank body.
4. the system for the online transfer drive of offshore oilfield according to claim 1 or 3, it is characterised in that described medicament is the one of which composition of emulsion polymer, cross-linking agent/PPG.
5. the system for the online transfer drive of offshore oilfield according to claim 1, it is characterised in that be connected with effusion meter on described transfer drive pipeline between static mixer and pit shaft in turn, regulate valve and probe tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610019506.6A CN105672966A (en) | 2016-01-13 | 2016-01-13 | System for offshore oil field online profile control and displacement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610019506.6A CN105672966A (en) | 2016-01-13 | 2016-01-13 | System for offshore oil field online profile control and displacement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105672966A true CN105672966A (en) | 2016-06-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610019506.6A Pending CN105672966A (en) | 2016-01-13 | 2016-01-13 | System for offshore oil field online profile control and displacement |
Country Status (1)
| Country | Link |
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| CN (1) | CN105672966A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107013195A (en) * | 2017-04-24 | 2017-08-04 | 中国海洋石油总公司 | The well head method for implanting and system of a kind of polymer microballoon stoste |
| CN109916674A (en) * | 2019-03-22 | 2019-06-21 | 长江大学 | It is a kind of can Stratified Sampling oil field sampling equipment and method |
| CN111622725A (en) * | 2020-06-02 | 2020-09-04 | 中国石油化工股份有限公司 | Profile control method suitable for heterogeneous oil reservoir after polymer flooding |
| CN112081566A (en) * | 2020-09-30 | 2020-12-15 | 东北石油大学 | Online injection method and equipment for oilfield inorganic gel profile control and flooding agent |
| CN113828224A (en) * | 2020-06-08 | 2021-12-24 | 中国石油天然气集团有限公司 | On-line profile control emulsion breaker |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107013195A (en) * | 2017-04-24 | 2017-08-04 | 中国海洋石油总公司 | The well head method for implanting and system of a kind of polymer microballoon stoste |
| CN109916674A (en) * | 2019-03-22 | 2019-06-21 | 长江大学 | It is a kind of can Stratified Sampling oil field sampling equipment and method |
| CN111622725A (en) * | 2020-06-02 | 2020-09-04 | 中国石油化工股份有限公司 | Profile control method suitable for heterogeneous oil reservoir after polymer flooding |
| CN111622725B (en) * | 2020-06-02 | 2022-07-19 | 中国石油化工股份有限公司 | Profile control method suitable for heterogeneous oil reservoir after polymer flooding |
| CN113828224A (en) * | 2020-06-08 | 2021-12-24 | 中国石油天然气集团有限公司 | On-line profile control emulsion breaker |
| CN112081566A (en) * | 2020-09-30 | 2020-12-15 | 东北石油大学 | Online injection method and equipment for oilfield inorganic gel profile control and flooding agent |
| CN112081566B (en) * | 2020-09-30 | 2023-08-22 | 东北石油大学 | On-line injection method and equipment for inorganic gel profile control agent in oil field |
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Application publication date: 20160615 |