CN205743868U - Carbonate Reservoir atomization acid stimulation system - Google Patents
Carbonate Reservoir atomization acid stimulation system Download PDFInfo
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- CN205743868U CN205743868U CN201620429198.XU CN201620429198U CN205743868U CN 205743868 U CN205743868 U CN 205743868U CN 201620429198 U CN201620429198 U CN 201620429198U CN 205743868 U CN205743868 U CN 205743868U
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- equipment
- atomization
- acid solution
- nitrogen
- acid
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- 239000002253 acid Substances 0.000 title claims abstract description 89
- 238000000889 atomisation Methods 0.000 title claims abstract description 50
- 230000000638 stimulation Effects 0.000 title claims abstract description 13
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 title claims description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 101
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 48
- 238000011049 filling Methods 0.000 claims abstract description 8
- 239000006260 foam Substances 0.000 claims abstract description 7
- 239000000443 aerosol Substances 0.000 claims abstract description 6
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 6
- 230000004888 barrier function Effects 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 238000007781 pre-processing Methods 0.000 claims abstract description 4
- 238000001179 sorption measurement Methods 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 abstract description 6
- XQCFHQBGMWUEMY-ZPUQHVIOSA-N Nitrovin Chemical compound C=1C=C([N+]([O-])=O)OC=1\C=C\C(=NNC(=N)N)\C=C\C1=CC=C([N+]([O-])=O)O1 XQCFHQBGMWUEMY-ZPUQHVIOSA-N 0.000 abstract description 2
- 230000000116 mitigating effect Effects 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 241000272168 Laridae Species 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 230000020477 pH reduction Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
nullCarbonate Reservoir atomization acid stimulation system，Including the equipment of making nitrogen，The described equipment of making nitrogen is THE PRESSURE SWING ADSORPTION NITROGEN GENERATING DEVICE，Including compressed air pre-processing device and nitrogen storage tank，The described equipment of making nitrogen connects acid solution equipment，Nitrogen pump it is provided with between the described equipment of making nitrogen and acid solution equipment，Described acid solution equipment is attached with atomization plant by pipeline，Nitrogen in the equipment of making nitrogen or nitrogen foam are carried out mixed aerosol with the acid solution in acid solution equipment by described atomization plant，Form atomization acid，The atomization acid formed is by pressurized delivered pump，Pump into well head conveyance conduit，Inside described well head conveyance conduit, anticorrosion barrier film is set，Atomization acid is sent into down-hole formation by described well head conveyance conduit，Described acid solution equipment upper end is provided with multiple acid solution filling opening，Described acid solution device interior is provided with heating and stirring device，The atomization acid formed has selectivity、Corrosion mitigating effect is good，The easily row of returning、Payzone is injured the advantages such as little.
Description
Technical field
This utility model relates to technical field of petroleum extraction, is exactly specifically a kind of Carbonate Reservoir atomization acid stimulation system.
Background technology
At present, there is various problems in conventional acidulation in Carbonate Reservoir is developed: (1), for inhomogeneous formation, acid solution preferentially enters high permeability formation (I class sprue) so that low-permeability layer (II class secondary fluid course, III class microcrack runner etc.) can not be effectively improved；(2) for the stratum of oil-water common-layer, acid solution can preferentially enter water layer so that aqueous rapid rising after acidifying, and well oil output declines；(3) for the stratum of reacidizing, acid solution preferentially enters original corrosion passage, reduces acidizing effect；(4) for low pressure oil well, after acidifying, row's difficulty is returned in residual acid, easily forms secondary pollution, affects acidizing effect；(5) for horizontal well, acid solution enters root mostly, and remaining well section acidizing effect is poor.
For the problem above run in oil field development, need a kind of oil exploitation yield-increasing technique system to increase yield, improve oil well recovery ratio.
Summary of the invention
The purpose of this utility model is to provide a kind of Carbonate Reservoir atomization acid stimulation system, is specific to II class secondary fluid course in stratum, III class microcrack runner can not effectively be employed, stratum residual substantial oil；Utilizing nitrogen or nitrogen foam and acid solution mixed aerosol, formed and have low-density, viscosity and surface tension, the atomization acid of higher fluid ability is injected stratum and is improved reservoir withdrawal.
nullThe technical scheme in the invention for solving the technical problem is: Carbonate Reservoir atomization acid stimulation system，Including the equipment of making nitrogen，The described equipment of making nitrogen is THE PRESSURE SWING ADSORPTION NITROGEN GENERATING DEVICE，Including compressed air pre-processing device and nitrogen storage tank，The described equipment of making nitrogen connects acid solution equipment，Nitrogen pump it is provided with between the described equipment of making nitrogen and acid solution equipment，Described acid solution equipment is attached with atomization plant by pipeline，Nitrogen in the equipment of making nitrogen or nitrogen foam are carried out mixed aerosol with the acid solution in acid solution equipment by described atomization plant，Form atomization acid，The atomization acid formed is by pressurized delivered pump，Pump into well head conveyance conduit，Inside described well head conveyance conduit, anticorrosion barrier film is set，Atomization acid is sent into down-hole formation by described well head conveyance conduit，Described acid solution equipment upper end is provided with multiple acid solution filling opening，Described acid solution device interior is provided with heating and stirring device.
As optimization, described acid solution device interior adds multiple different types of acid solution and mixes.
As optimization, the rear end of described well head conveyance conduit is provided with operated pneumatic valve.
As optimization, described atomization plant is electrostatic atomization device.
The beneficial effects of the utility model are: compared with prior art, Carbonate Reservoir of the present utility model atomization acid stimulation system, the atomization acid formed has selectivity, corrosion mitigating effect is good, the easily row of returning, payzone is injured the advantages such as little, acid solution consumption can be reduced simultaneously, realize deep acidification, (1) atomization acid density is low, easily enter time circulation road, microcrack runner and the dolomitic runner of filling, atomization acid simultaneously is reacted with crack or porous rocks generation acid etching, form corrosion passage, gull or hole, make II class, III class, IV class duct expansion, its interior oil can runner pit shaft, thus extraction；(2) having compressibility, gas expansion can return row for residual acid and provide energy；(3) acid solution consumption can be reduced, there is retarded acting, it is achieved deep acidification simultaneously；(4) having certain viscosity, in discharge opeing, portability goes out the solid particle harmful to flow conductivity.
Accompanying drawing explanation
Fig. 1 is this utility model overall construction drawing；
Wherein, 1 equipment of making nitrogen, 2 nitrogen pumps, 3 acid solution equipment, 4 acid solution filling openings, 5 atomization plants, 6 pressurized delivered pumps, 7 well head conveyance conduits, 8 operated pneumatic valves.
Detailed description of the invention
nullAs shown in Figure 1 in embodiment，Carbonate Reservoir atomization acid stimulation system，Including the equipment of making nitrogen 1，The described equipment of making nitrogen 1 is THE PRESSURE SWING ADSORPTION NITROGEN GENERATING DEVICE，Including compressed air pre-processing device and nitrogen storage tank，The described equipment of making nitrogen 1 connects acid solution equipment 3，It is provided with nitrogen pump 2 between the described equipment of making nitrogen 1 and acid solution equipment 3，Described acid solution equipment 3 is attached with atomization plant 5 by pipeline，Nitrogen in the equipment of making nitrogen 1 or nitrogen foam are carried out mixed aerosol with the acid solution in acid solution equipment 3 by described atomization plant 5，Form atomization acid，The atomization acid formed is by pressurized delivered pump 6，Pump into well head conveyance conduit 7，Described well head conveyance conduit 7 is internal arranges anticorrosion barrier film，Atomization acid is sent into down-hole formation by described well head conveyance conduit 7，Described acid solution equipment 3 upper end is provided with multiple acid solution filling opening 4，Described acid solution equipment 3 is internally provided with heating and stirring device.
As optimization, the multiple different types of acid solution of the internal addition of described acid solution equipment 3 mixes.
As optimization, the rear end of described well head conveyance conduit 7 is provided with operated pneumatic valve 8.
As optimization, described atomization plant 5 is electrostatic atomization device.
Supplying nitrogen by ground installation, liquid phase uses various different acid solutions, by acid solution and nitrogen or nitrogen foam mixed aerosol, forms atomization acid, is pumped into down-hole.
Atomization acid density is low, easily enters time circulation road, microcrack runner and the dolomitic runner of filling, reacts with crack or porous rocks generation acid etching, forms corrosion passage, gull or hole so that it is interior oil can runner pit shaft.
Main Function mechanism:
(1) atomization acid density is low, compressible, easily enters time circulation road, microcrack runner and the dolomitic runner of filling.
(2) atomization acid is reacted with crack or porous rocks generation acid etching, forms corrosion passage, gull or hole, makes II class, III class, IV class duct expansion, and its interior oil can runner pit shaft.
(3) utilize nitrogen foam characteristic: stifled very much not block up little, the stifled oil of water blockoff, macropore is had certain seal-off effect, and water layer can be blocked, be beneficial to atomization acid and enter II class secondary fluid course, III class microcrack runner etc..
Above-mentioned detailed description of the invention is only concrete case of the present utility model; scope of patent protection of the present utility model includes but not limited to product form and the style of above-mentioned detailed description of the invention; any Carbonate Reservoir atomization acid stimulation system meeting this utility model claims and any person of an ordinary skill in the technical field are suitably changed what it did or modify, and all should fall into scope of patent protection of the present utility model.
Claims (4)
- null1. Carbonate Reservoir atomization acid stimulation system，It is characterized in that: include the equipment of making nitrogen (1)，The described equipment of making nitrogen (1) is THE PRESSURE SWING ADSORPTION NITROGEN GENERATING DEVICE，Including compressed air pre-processing device and nitrogen storage tank，The described equipment of making nitrogen (1) connects acid solution equipment (3)，It is provided with nitrogen pump (2) between the described equipment of making nitrogen (1) and acid solution equipment (3)，Described acid solution equipment (3) is attached with atomization plant (5) by pipeline，Nitrogen in the equipment of making nitrogen (1) or nitrogen foam are carried out mixed aerosol with the acid solution in acid solution equipment (3) by described atomization plant (5)，Form atomization acid，The atomization acid formed is by pressurized delivered pump (6)，Pump into well head conveyance conduit (7)，Described well head conveyance conduit (7) is internal arranges anticorrosion barrier film，Atomization acid is sent into down-hole formation by described well head conveyance conduit (7)，Described acid solution equipment (3) upper end is provided with multiple acid solution filling opening (4)，Described acid solution equipment (3) is internally provided with heating and stirring device.
- Carbonate Reservoir the most according to claim 1 atomization acid stimulation system, it is characterised in that: the multiple different types of acid solution of the internal addition of described acid solution equipment (3) mixes.
- Carbonate Reservoir the most according to claim 1 atomization acid stimulation system, it is characterised in that: the rear end of described well head conveyance conduit (7) is provided with operated pneumatic valve (8).
- Carbonate Reservoir the most according to claim 1 atomization acid stimulation system, it is characterised in that: described atomization plant (5) is electrostatic atomization device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620429198.XU CN205743868U (en) | 2016-05-12 | 2016-05-12 | Carbonate Reservoir atomization acid stimulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620429198.XU CN205743868U (en) | 2016-05-12 | 2016-05-12 | Carbonate Reservoir atomization acid stimulation system |
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| CN205743868U true CN205743868U (en) | 2016-11-30 |
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| CN201620429198.XU Active CN205743868U (en) | 2016-05-12 | 2016-05-12 | Carbonate Reservoir atomization acid stimulation system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593395A (en) * | 2017-01-01 | 2017-04-26 | 陕西海山能源发展有限公司 | Oil well selective acidizing process system |
| CN110107269A (en) * | 2019-03-29 | 2019-08-09 | 中国石油化工股份有限公司 | Mist generating device and its working method |
| CN111622732A (en) * | 2020-05-19 | 2020-09-04 | 中国石油天然气股份有限公司 | Device and method for removing drilling pollution in near wellbore zone through acid smoke acidification |
| CN112031721A (en) * | 2020-09-14 | 2020-12-04 | 陕西博石源丰能源科技有限公司 | Atomized acid acidification method suitable for improving oil field stratum permeability |
| CN116378622A (en) * | 2023-06-06 | 2023-07-04 | 西安博宏石油科技有限公司 | Acid liquor injection device for acidification of oil field oil-water well |
-
2016
- 2016-05-12 CN CN201620429198.XU patent/CN205743868U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593395A (en) * | 2017-01-01 | 2017-04-26 | 陕西海山能源发展有限公司 | Oil well selective acidizing process system |
| CN110107269A (en) * | 2019-03-29 | 2019-08-09 | 中国石油化工股份有限公司 | Mist generating device and its working method |
| CN111622732A (en) * | 2020-05-19 | 2020-09-04 | 中国石油天然气股份有限公司 | Device and method for removing drilling pollution in near wellbore zone through acid smoke acidification |
| CN111622732B (en) * | 2020-05-19 | 2024-05-28 | 中国石油天然气股份有限公司 | Device and method for removing drilling pollution in near-wellbore zone by acidizing with acid fume |
| CN112031721A (en) * | 2020-09-14 | 2020-12-04 | 陕西博石源丰能源科技有限公司 | Atomized acid acidification method suitable for improving oil field stratum permeability |
| CN116378622A (en) * | 2023-06-06 | 2023-07-04 | 西安博宏石油科技有限公司 | Acid liquor injection device for acidification of oil field oil-water well |
| CN116378622B (en) * | 2023-06-06 | 2023-08-18 | 西安博宏石油科技有限公司 | Acid liquor injection device for acidification of oil field oil-water well |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190403 Address after: 830000 High-tech Zone, Urumqi City, Xinjiang Uygur Autonomous Region, Room 1109, Area A, Jinkun Building, 946 Beijing South Road Patentee after: Xinjiang Kerui Petroleum Engineering Technology Service Co.,Ltd. Address before: 257 100 No. 233 Nan 2 Road, Dongying City, Shandong Province Patentee before: SHANDONG KERUI PETROLEUM ENGINEERING TECHNOLOGY Research Institute |
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Effective date of registration: 20200415 Address after: 266000 21 / F, building a, Guohui financial center, no.485, Changjiang Middle Road, Huangdao District, Qingdao, Shandong Province Patentee after: Shandong Ruiheng Xingyu Petroleum Technology Development Co.,Ltd. Address before: 830000 High-tech Zone, Urumqi City, Xinjiang Uygur Autonomous Region, Room 1109, Area A, Jinkun Building, 946 Beijing South Road Patentee before: Xinjiang Kerui Petroleum Engineering Technology Service Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Atomized acid stimulation system in carbonate reservoir Effective date of registration: 20220623 Granted publication date: 20161130 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: Shandong Ruiheng Xingyu Petroleum Technology Development Co.,Ltd. Registration number: Y2022370010095 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230512 Granted publication date: 20161130 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: Shandong Ruiheng Xingyu Petroleum Technology Development Co.,Ltd. Registration number: Y2022370010095 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Atomized acid stimulation system for carbonate reservoir Effective date of registration: 20230515 Granted publication date: 20161130 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: Shandong Ruiheng Xingyu Petroleum Technology Development Co.,Ltd. Registration number: Y2023370010053 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20161130 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: Shandong Ruiheng Xingyu Petroleum Technology Development Co.,Ltd. Registration number: Y2023370010053 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Atomized acid stimulation system for carbonate reservoir Granted publication date: 20161130 Pledgee: Qingdao Qingfa Financing Guarantee Co.,Ltd. Pledgor: Shandong Ruiheng Xingyu Petroleum Technology Development Co.,Ltd. Registration number: Y2024370010076 |
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