CN205225215U - A mining devices for two sets of oil reservoir slicing mining - Google Patents
A mining devices for two sets of oil reservoir slicing mining Download PDFInfo
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- CN205225215U CN205225215U CN201520946825.2U CN201520946825U CN205225215U CN 205225215 U CN205225215 U CN 205225215U CN 201520946825 U CN201520946825 U CN 201520946825U CN 205225215 U CN205225215 U CN 205225215U
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Abstract
The utility model provides a mining devices for two sets of oil reservoir slicing mining, establish at the intraductal oil pipe of cover including sleeve pipe and cover, be equipped with the oil recovery mouth of the corresponding section of recovering the oil and the water filling port that corresponds the water injection section on the sleeve pipe, oil pipe include oil pipe, down oil pipe, set up under and concentric double -barrelled between the oil pipe at last oil pipe, concentric double -barrelled upper end is passed through the Y type and is connected and is connected with last oil pipe, and concentric double -barrelled lower extreme passes through Y type joint and is connected with lower oil pipe, be equipped with upper packer and packer down between the concentric double -barrelled and sleeve pipe, the upper packer is located upper portion double -barrelled with one heart, and lower packer is located the position of recovering the oil between section and the water injection section. The utility model discloses can reduce the quantity of digging a well when the exploitation, save the drilling cost, the oil reservoir is realized evenly employing simultaneously, is favorable to increasing oil field accumulation oil production and enhanced oil recovery, has avoided vertical layer series multiple zone to close the interlayer interference of adopting the production.
Description
Technical field
The utility model relates to oil field development technical field separate zone production technology, is specifically related to a kind of quarrying apparatus for two cover oil reservoir separate zone productions.
Background technology
Carry out the essential measure that separate zone production is adjustment multilayered reservoir interlayer difference.The necessary implementation separate zone production of the oil reservoir characteristics determined of onshore oil field.Separate zone production technology comprises separate zone waterflooding technology, oil production by layer and single-well injection-production three class development technology technology.
Seperated layer water injection is by controlling water filling to high permeability formation, and low-permeability layer strengthens water filling, and improving sweep efficiency, is the agent technology of current hierarchical-development.
Oil production by layer mostly adopts separate extracting pump oil production by layer technique, and be difficult to the interlayer interference eliminating flowing bottomhole pressure (FBHP) generation, scene is not inclined to application.
Single-well injection-production refers to the formation water of extraction water layer to inject its oil reservoir, is applicable to the particular surroundings such as sea, polar region and drought-hit area.
Conventional down-hole single-well injection-production is by down-hole complex appts, production fluid is carried out separation to a certain degree, then by its layer of oil-polluted water re-injection after separation.The same power source drives water filling-oil recovery two pumps.For sand well in practice, usually adopt the water after by separation jointly to inject the mode of water filling layer together with reservoir sand, easily produce formation blockage, cause injectability to decline.Down-hole recovery ratio is low, and the interlayer interference that generation is adopted in longitudinal series of strata multiple zone conjunction is large.
Utility model content
The purpose of this utility model is to provide a kind of quarrying apparatus for two cover oil reservoir separate zone productions, it can reduce the quantity of well-digging when exploiting, save cost, realize oil reservoir evenly to employ, be conducive to increasing oil field cumulative oil production and improving recovery ratio, avoid longitudinal series of strata multiple zone and close the interlayer interference of adopting generation.
For this reason, the utility model provides a kind of quarrying apparatus for two cover oil reservoir separate zone productions, comprise sleeve pipe and be set in the oil pipe in sleeve pipe, described sleeve pipe offers the production ports of corresponding oil recovery section and the water filling port of corresponding water filling section, described oil pipe comprises oil pipe, lower oil pipe, is arranged on concentric double pipe between oil pipe and lower oil pipe;
Be provided with upper packer and lower packet between concentric double pipe and sleeve pipe, described upper packer is positioned at the top of concentric double pipe, the position of lower packet between oil recovery section and water filling section;
Described concentric double pipe comprises interior pipe and is set in the outer tube of interior pipe outside, the upper end of described interior pipe is connected with upper oil pipe, and the lower end of interior pipe is connected with lower oil pipe, forms circular passage between described inner and outer tubes, the top end opening of described circular passage, and described opening is oil-out.
The tube wall of described outer tube offers oil-in, and the lower end closed of circular passage.
The bottom of described lower oil pipe is tiltedly sharp, and tiltedly the opening part of point is delivery port.
Offer through delivery port on the tube wall of described interior pipe He on outer tube wall, and the lower end of circular passage offers oil-in.
The bottom of described lower oil pipe is connected with plug.
Described oil recovery section is positioned at the top of water filling section.
Described oil recovery section is positioned at the below of water filling section.
The beneficial effects of the utility model: the utility model provides a kind of quarrying apparatus for two cover oil reservoir separate zone productions.Adopt five-spot pattern offtake pattern, any a bite well is one deck and recovers the oil, another layer of water filling, not only it is the producing well of one deck but also be the water injection well exploiting another layer of well around, form two and overlap the identical "five-spot" flood system of independently well spacing, the object series of strata that exploitation is current separately.Packer on quarrying apparatus separates upper and lower two cover oil reservoirs, inject water by ground high pressure line through the fluid motor of oil pipe drive installation in down-hole, fluid motor piston drives oil pump plunger piston, through oil recovery passage, the oil of wherein one deck is given rise to ground by piston rod, injects waterfront economy aquaporin and enters another layer and form water filling layer.The utility model can reduce the quantity of well-digging when exploiting, save drilling cost, and oil reservoir realizes evenly employing simultaneously, is conducive to increasing oil field cumulative oil production and improving recovery ratio, avoids longitudinal series of strata multiple zone and close the interlayer interference of adopting generation.
Below with reference to accompanying drawing, the utility model is described in further details.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the first embodiment overlapping the quarrying apparatus of oil reservoir separate zone productions for two.
Fig. 2 is the schematic diagram of the second embodiment overlapping the quarrying apparatus of oil reservoir separate zone productions for two.
Fig. 3 be for two cover oil reservoir separate zone productions exploitation separately series of strata well spacing be
"five-spot" flood system schematic diagram.
Description of reference numerals: 1, upper oil pipe; 2, oil-out; 3, upper packer; 4, oil-in; 5, outer tube; 6, interior pipe; 7, concentric double pipe; 8, lower packet; 9, lower oil pipe; 10, delivery port; 11, tiltedly sharp; 12, plug; 13, production ports; 14, water filling port; 15, sleeve pipe.
Detailed description of the invention
Embodiment 1:
As depicted in figs. 1 and 2, the utility model provides a kind of quarrying apparatus for two cover oil reservoir separate zone productions, the oil pipe comprising sleeve pipe 15 and be set in sleeve pipe 15, described sleeve pipe 15 offers the production ports 13 of corresponding oil recovery section and the water filling port 14 of corresponding water filling section, described oil pipe comprises oil pipe 1, lower oil pipe 9, is arranged on concentric double pipe 7 between oil pipe 1 and lower oil pipe 9; Be provided with upper packer 3 and lower packet 8 between concentric double pipe 7 and sleeve pipe 15, described upper packer 3 is positioned at the top of concentric double pipe 7, the position of lower packet 8 between oil recovery section and water filling section; Described concentric double pipe 7 comprises interior pipe 6 and is set in the outer tube 5 of interior pipe 6 outside, the upper end of described interior pipe 6 is connected with upper oil pipe 1, the lower end of interior pipe 6 is connected with lower oil pipe 9, circular passage is formed between described interior pipe 6 and outer tube 5, the top end opening of described circular passage, and described opening is Y in oil-out 2, Fig. 1 and Fig. 2 is oil recovery section, S is water filling section.
Ground is injected water and is entered concentric double pipe 7 by well head by upper oil pipe 1, enters water filling section carry out water filling through water filling port 14, and the oil water mixture of described oil recovery section enters the annular section between sleeve pipe and upper oil pipe 1 by production ports 13, and is drawn out of by oil well pump.
The quarrying apparatus for two cover oil reservoir separate zone productions that the present embodiment provides, concrete step is:
Step one, arranges oil recovery section and water filling section in same well;
Step 2, water flows down from described upper oil pipe 1, enters the interior pipe 6 of concentric double pipe 7, flows into water filling port 14 through delivery port 10, enters water filling section and carries out water filling;
Step 3, the oil water mixture of described oil recovery section, by production ports 13, is flowed into oil-in 4, enters circular passage, enter the annular section between sleeve pipe 15 and upper oil pipe 1, and be drawn out of by oil well pump by oil-out 2.
As shown in Figure 3, offtake pattern adopts five-spot pattern, during drilling well, every mouthful of well is two-layer all opens, and any a bite well is one deck and recovers the oil, another layer of water filling, not only it is the producing well of one deck but also be the water injection well exploiting another layer of well around, square center a bite well is adopted upper strata and is poured down layer, around four Kou Jingcai lower floor note upper stratas, square center a bite Jing Cai lower floor note upper strata, around four mouthfuls of wells are adopted upper strata and are poured down layer, and formation two is overlapped independently well spacing and is
"five-spot" flood system, the object series of strata that exploitation is current separately.
The quarrying apparatus for two cover oil reservoir separate zone productions provided of the present utility model, it can reduce the quantity of well-digging when exploiting, save cost, realize oil reservoir and evenly employ, be conducive to increasing oil field cumulative oil production and improving recovery ratio, avoid longitudinal series of strata multiple zone and close the interlayer interference of adopting generation.
Embodiment 2:
The utility model provides a kind of quarrying apparatus for two cover oil reservoir separate zone productions, the oil pipe comprising sleeve pipe 15 and be set in sleeve pipe 15, described sleeve pipe 15 is provided with the production ports 13 of corresponding oil recovery section and the water filling port 14 of corresponding water filling section, described oil pipe comprises oil pipe 1, lower oil pipe 9, is arranged on concentric double pipe 7 between oil pipe 1 and lower oil pipe 9, upper packer 3 and lower packet 8 is provided with between concentric double pipe 7 and sleeve pipe 15, described upper packer 3 is positioned at the top of concentric double pipe 7, the position of lower packet 8 between oil recovery section and water filling section.Described concentric double pipe 7 comprises interior pipe 6 and is set in the outer tube 5 of interior pipe 6 outside, and the upper end of described interior pipe 6 is connected with upper oil pipe 1 by breeches joint, and the lower end of interior pipe 6 is connected with lower oil pipe 9 by breeches joint, forms circular passage between described interior pipe 6 and outer tube 5.The top end opening of described circular passage, and described opening is oil-out 2.The tube wall of described outer tube 5 offers oil-in 4, and the lower end closed of circular passage.
The bottom of described lower oil pipe 9 is oblique point 11, and tiltedly the opening part of point 11 is delivery port 10.
Ground is injected water and is entered pipe 6 in concentric double pipe 7 by well head by upper oil pipe 1, enter water filling section through water filling port 14 and carry out water filling, the oil water mixture of described oil recovery section enters circular passage by production ports 13, then enter the annular section between sleeve pipe 15 and upper oil pipe 1 by oil-out 2, and be drawn out of by oil well pump.
A kind of quarrying apparatus for two cover oil reservoir separate zone productions provided of the present utility model, it can reduce the quantity of well-digging when exploiting, save cost, realize oil reservoir evenly to employ, be conducive to increasing oil field cumulative oil production and improving recovery ratio, avoid longitudinal series of strata multiple zone and close the interlayer interference of adopting generation.
Embodiment 3:
As shown in Figure 1, the utility model provides a kind of quarrying apparatus for two cover oil reservoir separate zone productions, the oil pipe comprising sleeve pipe 15 and be set in sleeve pipe 15, described sleeve pipe 15 is provided with the production ports 13 of corresponding oil recovery section and the water filling port 14 of corresponding water filling section, described oil pipe comprises oil pipe 1, lower oil pipe 9, is arranged on concentric double pipe 7 between oil pipe 1 and lower oil pipe 9, upper packer 3 and lower packet 8 is provided with between concentric double pipe 7 and sleeve pipe 15, described upper packer 3 is positioned at the top of concentric double pipe 7, the position of lower packet 8 between oil recovery section and water filling section.Described concentric double pipe 7 comprises interior pipe 6 and is set in the outer tube 5 of interior pipe 6 outside, and the upper end of described interior pipe 6 is connected with upper oil pipe 1 by breeches joint, and the lower end of interior pipe 6 is connected with lower oil pipe 9 by breeches joint, forms circular passage between described interior pipe 6 and outer tube 5.The top end opening of described circular passage, and described opening is oil-out 2.The tube wall of described outer tube 5 offers oil-in 4, and the lower end closed of circular passage.Described oil recovery section is positioned at the top of water filling section.
In above-mentioned upper oil pipe 1, oil-out 2, upper packer 3, oil-in 4, concentric double pipe 7, pipe 6, outer tube 5, lower packet 8, breeches joint, lower oil pipe 9 and oblique point 11 composition are adopted and are poured down tubing string.Described upper packer 3 is positioned at oil recovery Duan Ding circle upper end, described lower packet 8 is between oil recovery section and water filling section, on described, concentric double pipe 7 is adopted to connect between lower packet 8, oil recovery section liquid is through interior pipe 6, circular passage between outer tube 5 enters the oil jacket annular section of upper packer more than 3, and be lifted to ground, ground is injected water and is flowed into upper oil pipe 1 by well head, then the interior pipe 6 of concentric double pipe 7 is entered, connect through lower oil pipe 9 bottom oblique sharp 1111 to lower floor's water filling section water filling, the length of described concentric double pipe 7 is slightly larger than the spacing between upper packer 3 and lower packet 8, concentric double pipe 7 comprises interior pipe 6 and outer tube 5, described outer tube 5 is set in the outside of described interior pipe 6, the upper end of described interior pipe 6 is connected with upper oil pipe 1 by breeches joint, the lower end of described interior pipe 6 is connected with lower oil pipe 9 by breeches joint, described oil-out 2 is in the interior pipe 6 of concentric double pipe 7, the upper end open place of the circular passage between outer tube 5, openings is formed with upper packer more than 3 oil jacket annular section.
Ground is injected water and is entered pipe 6 in concentric double pipe 7 by well head by upper oil pipe 1, enter water filling section through water filling port 14 and carry out water filling, the oil water mixture of described oil recovery section enters circular passage by production ports 13, then enter the annular section between sleeve pipe 15 and upper oil pipe 1 by oil-out 2, and be drawn out of by oil well pump.
Embodiment 4:
As shown in Figure 2, the utility model provides a kind of quarrying apparatus for two cover oil reservoir separate zone productions, the oil pipe comprising sleeve pipe 15 and be set in sleeve pipe 15, described sleeve pipe 15 is provided with the production ports 13 of corresponding oil recovery section and the water filling port 14 of corresponding water filling section, described oil pipe comprises oil pipe 1, lower oil pipe 9, is arranged on concentric double pipe 7 between oil pipe 1 and lower oil pipe 9, upper packer 3 and lower packet 8 is provided with between concentric double pipe 7 and sleeve pipe 15, described upper packer 3 is positioned at the top of concentric double pipe 7, the position of lower packet 8 between oil recovery section and water filling section.Described concentric double pipe 7 comprises interior pipe 6 and is set in the outer tube 5 of interior pipe 6 outside, and the upper end of described interior pipe 6 is connected with upper oil pipe 1 by breeches joint, and the lower end of interior pipe 6 is connected with lower oil pipe 9 by breeches joint, forms circular passage between described interior pipe 6 and outer tube 5.Offer through delivery port 10 on the tube wall of described interior pipe 6 He on outer tube 5 tube wall, and the lower end of circular passage offers oil-in 4.The bottom of described lower oil pipe 9 is connected with plug 12.Described oil recovery section is positioned at the below of water filling section.
In above-mentioned upper oil pipe 1, oil-out 2, upper packer 3, oil-in 4, concentric double pipe 7, pipe 6, outer tube 5, lower packet 8, breeches joint, lower oil pipe 9 and plug 12 composition adopts the upper tubing string of bet.Described upper packer 3 is positioned at water filling Duan Ding circle upper end, described lower packet 8 is between oil recovery section and water filling section, on described, concentric double pipe 7 is adopted to connect between lower packet 8, oil recovery section liquid is through interior pipe 6, circular passage between outer tube 5 enters the oil jacket annular section of upper packer more than 3, and be lifted to ground, ground is injected water and is flowed into upper oil pipe 1 by well head, then the interior pipe 6 of concentric double pipe 7 is entered, delivery port 10 through on interior pipe 6 and outer tube 5 gives the water filling of upper strata water filling section, the length of described concentric double pipe 7 is slightly larger than the spacing between upper packer 3 and lower packet 8, concentric double pipe 7 comprises interior pipe 6 and outer tube 5, described outer tube 5 is set in the outside of described interior pipe 6, the upper end of described interior pipe 6 is connected with upper oil pipe 1 by breeches joint, the lower end of described interior pipe 6 is connected with lower oil pipe 9 by breeches joint, described oil-out 2 is in the interior pipe 6 of concentric double pipe 7, the upper end open place of the circular passage between outer tube 5, openings is formed with upper packer more than 3 oil jacket annular section.
The utility model provides a kind of quarrying apparatus for two cover oil reservoir separate zone productions.Adopt five-spot pattern offtake pattern, any a bite well is one deck and recovers the oil, another layer of water filling, not only it is the producing well of one deck but also be the water injection well exploiting another layer of well around, form two and overlap the identical "five-spot" flood system of independently well spacing, the object series of strata that exploitation is current separately.Packer on quarrying apparatus separates upper and lower two cover oil reservoirs, inject water by ground high pressure line through the fluid motor of oil pipe drive installation in down-hole, fluid motor piston drives oil pump plunger piston, through oil recovery passage, the oil of wherein one deck is given rise to ground by piston rod, injects waterfront economy aquaporin and enters another layer and form water filling layer.The utility model can reduce the quantity of well-digging when exploiting, save drilling cost, and oil reservoir realizes evenly employing simultaneously, is conducive to increasing oil field cumulative oil production and improving recovery ratio, avoids longitudinal series of strata multiple zone and close the interlayer interference of adopting generation.
More than exemplifying is only illustrate of the present utility model, does not form the restriction to protection domain of the present utility model, everyly all belongs within protection domain of the present utility model with the same or analogous design of the utility model.
Claims (7)
1. the quarrying apparatus for two cover oil reservoir separate zone productions, the oil pipe comprising sleeve pipe (15) and be set in sleeve pipe (15), it is characterized in that, described sleeve pipe (15) offers the production ports (13) of corresponding oil recovery section and the water filling port (14) of corresponding water filling section, described oil pipe comprises oil pipe (1), lower oil pipe (9), is arranged on concentric double pipe (7) between oil pipe (1) and lower oil pipe (9);
Be provided with upper packer (3) and lower packet (8) between concentric double pipe (7) and sleeve pipe (15), described upper packer (3) is positioned at the top of concentric double pipe (7), lower packet (8) position between oil recovery section and water filling section;
Described concentric double pipe (7) comprises interior pipe (6) and is set in the outside outer tube (5) of interior pipe (6), the upper end of described interior pipe (6) is connected with upper oil pipe (1), the lower end of interior pipe (6) is connected with lower oil pipe (9), circular passage is formed between described interior pipe (6) and outer tube (5), the top end opening of described circular passage, and described opening is oil-out (2).
2. a kind of quarrying apparatus for two cover oil reservoir separate zone productions as claimed in claim 1, is characterized in that, the tube wall of described outer tube (5) offers oil-in (4), and the lower end closed of circular passage.
3. a kind of quarrying apparatus for two cover oil reservoir separate zone productions as claimed in claim 1, is characterized in that, the bottom of described lower oil pipe (9) be oblique point (11), and tiltedly the opening part of sharp (11) is delivery port (10).
4. a kind of quarrying apparatus for two cover oil reservoir separate zone productions as claimed in claim 3, it is characterized in that, offer through delivery port (10) on the tube wall of described interior pipe (6) He on outer tube (5) tube wall, and the lower end of circular passage offers oil-in (4).
5. a kind of quarrying apparatus for two cover oil reservoir separate zone productions as claimed in claim 4, it is characterized in that, the bottom of described lower oil pipe (9) is connected with plug (12).
6. a kind of quarrying apparatus for two cover oil reservoir separate zone productions as claimed in claim 3, it is characterized in that, described oil recovery section is positioned at the top of water filling section.
7. a kind of quarrying apparatus for two cover oil reservoir separate zone productions as claimed in claim 5, it is characterized in that, described oil recovery section is positioned at the below of water filling section.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520946825.2U CN205225215U (en) | 2015-11-25 | 2015-11-25 | A mining devices for two sets of oil reservoir slicing mining |
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| CN201520946825.2U CN205225215U (en) | 2015-11-25 | 2015-11-25 | A mining devices for two sets of oil reservoir slicing mining |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107230A (en) * | 2019-05-17 | 2019-08-09 | 张强 | The layering gas recovery device of the double-deck tubing string |
| CN110242260A (en) * | 2019-05-17 | 2019-09-17 | 张强 | The application method of the layering gas recovery device of the double-deck tubing string |
| CN111749657A (en) * | 2019-03-29 | 2020-10-09 | 中国石油天然气股份有限公司 | Well pattern layered mining method and device |
| CN111946299A (en) * | 2020-08-27 | 2020-11-17 | 中国石油天然气股份有限公司 | Same-well same-layer self-injection-production underground fluid separation self-driving well and production method |
| CN111946300A (en) * | 2020-08-27 | 2020-11-17 | 中国石油天然气股份有限公司 | Same-well same-layer multi-lateral self-injection-production downhole fluid separation self-driving well and production method |
| CN111963120A (en) * | 2020-08-27 | 2020-11-20 | 中国石油天然气股份有限公司 | Same-well same-layer self-injection-production underground fluid separation self-driving well and production method |
| CN111963119A (en) * | 2020-08-27 | 2020-11-20 | 中国石油天然气股份有限公司 | Same-well multi-layer self-injection-production underground fluid separation self-driving well and production method |
| CN113530491A (en) * | 2020-04-15 | 2021-10-22 | 中国石油化工股份有限公司 | Cable-passing packer, same-well production and injection process pipe column and same-well production and injection system |
| CN114526030A (en) * | 2021-12-30 | 2022-05-24 | 王占强 | Sleeve-type combined sealer |
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- 2015-11-25 CN CN201520946825.2U patent/CN205225215U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111749657A (en) * | 2019-03-29 | 2020-10-09 | 中国石油天然气股份有限公司 | Well pattern layered mining method and device |
| CN110107230A (en) * | 2019-05-17 | 2019-08-09 | 张强 | The layering gas recovery device of the double-deck tubing string |
| CN110242260A (en) * | 2019-05-17 | 2019-09-17 | 张强 | The application method of the layering gas recovery device of the double-deck tubing string |
| CN110242260B (en) * | 2019-05-17 | 2021-04-20 | 南通新华诚科研仪器有限公司 | Application method of layered gas production device of double-layer pipe column |
| CN113530491A (en) * | 2020-04-15 | 2021-10-22 | 中国石油化工股份有限公司 | Cable-passing packer, same-well production and injection process pipe column and same-well production and injection system |
| CN113530491B (en) * | 2020-04-15 | 2023-11-17 | 中国石油化工股份有限公司 | Cable packer, same-well production and injection process pipe column and same-well production and injection system |
| CN111946299A (en) * | 2020-08-27 | 2020-11-17 | 中国石油天然气股份有限公司 | Same-well same-layer self-injection-production underground fluid separation self-driving well and production method |
| CN111946300A (en) * | 2020-08-27 | 2020-11-17 | 中国石油天然气股份有限公司 | Same-well same-layer multi-lateral self-injection-production downhole fluid separation self-driving well and production method |
| CN111963120A (en) * | 2020-08-27 | 2020-11-20 | 中国石油天然气股份有限公司 | Same-well same-layer self-injection-production underground fluid separation self-driving well and production method |
| CN111963119A (en) * | 2020-08-27 | 2020-11-20 | 中国石油天然气股份有限公司 | Same-well multi-layer self-injection-production underground fluid separation self-driving well and production method |
| CN114526030A (en) * | 2021-12-30 | 2022-05-24 | 王占强 | Sleeve-type combined sealer |
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