CN106837262A - Horizontal well completion tubular pile and horizontal well - Google Patents
Horizontal well completion tubular pile and horizontal well Download PDFInfo
- Publication number
- CN106837262A CN106837262A CN201710244809.2A CN201710244809A CN106837262A CN 106837262 A CN106837262 A CN 106837262A CN 201710244809 A CN201710244809 A CN 201710244809A CN 106837262 A CN106837262 A CN 106837262A
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- China
- Prior art keywords
- horizontal well
- tubular pile
- completion tubular
- horizontal
- well completion
- Prior art date
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 51
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 36
- 238000005553 drilling Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000010779 crude oil Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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
- E21B43/02—Subsoil filtering
- E21B43/08—Screens or liners
- E21B43/086—Screens with preformed openings, e.g. slotted liners
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
- E21B43/128—Adaptation of pump systems with down-hole electric drives
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Mechanical Engineering (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The present invention provides a kind of horizontal well completion tubular pile and horizontal well, horizontal well completion tubular pile include positioned at net horizontal section screen casing (4) and be connected with the upper end of the screen casing (4) keep away water pipe (5) positioned at net horizontal section heel, it is described to keep away the pipeline section that water pipe (5) is less than the hole on the screen casing (4) for imporosity on perisporium or the hole on perisporium.The present invention provide horizontal well completion tubular pile and horizontal well, can equilibrium water horizontal well seepage field, be thus prevented effectively from the formation of local water cone, so as to delay the water breakthrough cycle of horizontal well, improve the development effectiveness of horizontal well.
Description
Technical field
The present invention relates to horizontal well completion technology, more particularly to a kind of horizontal well completion tubular pile and horizontal well.
Background technology
Application of the horizontal well development technology in modern oil gas field tends to normalization, by the drilling of net horizontal section, greatly
Enhance the drainage area of single-well reservoir production unit, change the seepage flow mode of near wellbore fluid so that horizontal well is whole
The producing pressure differential of body tends to relatively low and also can guarantee that normal production, and usual individual well drilling cost horizontal well is 1~3 times of straight well, and
Well yield is 3~10 times of straight well yield.
But, in the horizontal well using electric submersible pump as artificial lifting way, because the suction force of electric submersible pump generation is in level
Well section heel (namely straight well section and horizontal segment joint portion) is maximum, that is, producing pressure differential is maximum so that net horizontal section heel oozes
Intensity of flow is higher than other net horizontal sections, also just because of the imbalance of its seepage field, it is easy to herein because producing pressure differential is larger
Edge-bottom water is easily produced to advance by leaps and bounds or coning effect.Once water breakthrough, the product liquid of horizontal well will mainly thus break-through point supply, other
Even if well section still has a large amount of remaining oils, but in view of the huge permeability contrast of water-oil phase, former in the case of high yield water
Oil is difficult to continue output, causes horizontal well to rapidly enter the High water cut production phase, or even thoroughly by water logging.
The content of the invention
The present invention provides a kind of horizontal well completion tubular pile and horizontal well, to solve in the prior art using electric submersible pump as act
Caused by the mode of liter Horizontal Well Flow it is uneven and easily produce side bottom advance by leaps and bounds or coning effect problem.
To achieve these goals, one aspect of the present invention provides a kind of horizontal well completion tubular pile, including positioned at net horizontal section
Screen casing and the water pipe of keeping away positioned at net horizontal section heel that is connected with the upper end of the screen casing, the water pipe of keeping away is nothing on perisporium
Pipeline section of the hole less than the hole on the screen casing on hole or perisporium.
Preferably, the horizontal well completion tubular pile also includes the first oil pipe, and water is kept away in one end of first oil pipe with described
The upper end connection of pipe, the other end is connected with the production casing in vertical well section.
Preferably, first oil pipe is connected on the hanger set on the production casing.
Preferably, first oil pipe and described keeping away between water pipe are provided with the first packer.
Preferably, the horizontal well completion tubular pile also includes the second oil pipe of the lower end for being connected to the screen casing.
Preferably, the lower end of second oil pipe is connected with casing shoe.
Preferably, it is provided with the second packer on the outside of second oil pipe.
Preferably, the screen casing is wire-wrapped screen.
The horizontal well completion tubular pile that the present invention is provided, keeps away water pipe, it is possible to decrease due to electricity by being set in net horizontal section heel
The excessive producing pressure differential of part produced by the suction force of latent pump, balances the seepage field of horizontal well.Thus office can be prevented effectively from
The formation of portion's water cone, so as to delay the water breakthrough cycle of horizontal well, improves the development effectiveness of horizontal well.
According to another aspect of the present invention, a kind of horizontal well is also provided, water as described above is provided with the horizontal well
Horizontal well completion tubular column.
Preferably, the straight well top of the horizontal well is provided with electric submersible pump.
Brief description of the drawings
Fig. 1 shows the structure that horizontal well completion tubular pile in an implementation method of the invention is set in horizontal well
Schematic diagram；
Fig. 2 shows the signal of horizontal well seepage field in the case where the horizontal well completion tubular pile of present invention offer is provided with
Figure.
Description of reference numerals：
1- casing shoes；The packers of 2- second；
The oil pipes of 3- second；4- screen casings；
5- keeps away water pipe；The packers of 6- first；
The oil pipes of 7- first；8- hangers；
9- immersible pumps；10- production casings.
Specific embodiment
In the present invention, in the case where opposite explanation is not made, the noun of locality for using is typically according to well such as " upper and lower "
For depth, orientate as in the relatively shallow position of well " on ", and relatively deep position orientates D score as.For example, pipe " under
End " is one end of the locations deep positioned at well of pipe, and " lower end " is positioned at the one end at the relatively shallow position of well.
The present invention provides a kind of horizontal well completion tubular pile, and the horizontal well completion tubular pile includes the screen casing 4 positioned at net horizontal section
And be connected with the upper end of the screen casing 4 keep away water pipe 5 positioned at net horizontal section heel, the water pipe 5 of keeping away is for non-porous on perisporium
Pipeline section of the hole less than the hole on the screen casing 4 in gap or perisporium.Wherein, the net horizontal section heel be straight well section and
The junction of net horizontal section.
The horizontal well completion tubular pile that the application is provided is preferably applied to hypertonic as the mesopore of artificial lifting way using electric submersible pump 9
In reservoir-level well.By the heel section of horizontal well set keep away water pipe 5, it is possible to decrease due to electric submersible pump 9 suction force produced by
The excessive producing pressure differential of part, balance the seepage field of horizontal well.Thus the formation of local water cone can be prevented effectively from, so as to prolong
Delay the water breakthrough cycle of horizontal well, improve the development effectiveness of horizontal well.
The premise of this technology application is that horizontal well drilling has reached Drilling Design purpose in itself, that is, bore meet purpose reservoir and away from
There is appropriate distance from oil-water interfaces.If individual well has been drilled into oil-water interfaces nearby or even has reached water layer section, the control to water cone
System is invalid.
The technical scheme that the application is provided is described in detail below according to specific embodiment and with reference to accompanying drawing.
In the horizontal well completion tubular pile that present embodiment is provided is applicable to the hypertonic reservoir-level well completion of mesopore, when
So, however it is not limited to the hypertonic reservoir-level well completion of mesopore.Using electric submersible pump 9 as the lifting side for producing in the horizontal well completion
Formula.As shown in figure 1, being provided with electric submersible pump 9 on horizontal well vertical section top, electric submersible pump 9 is given rise to fluid by Smoking regime
Ground.The application is provided with net horizontal section heel and keeps away water pipe 5, can be avoided by keeping away the physical barrier of water pipe 5 because electricity is latent
The swabbing action of pump 9 and cause stratum liquid to be produced in the maximum horizontal well heel of producing pressure differential, but be expanded to whole level
Well section, so that the seepage field balance of horizontal well.As shown in Fig. 2 the position of water pipe 5 is being kept away, the seepage field kept away near water pipe 5
Spread to other positions, the seepage flow intensity that can avoid net horizontal section heel is higher than other net horizontal sections.
In present embodiment, it is preferable that keep away water pipe 5 using pipeline seamless on perisporium, certainly, can also use than level
The few pipeline of the hole on screen casing 4 in well section so that less fluid is penetrated into be kept away in water pipe 5, may also function as balancing seepage flow
The effect of field.
The horizontal well completion tubular pile also includes the first oil pipe 7, and one end of the first oil pipe 7 connects with the upper end for keeping away water pipe 5
Connect, the other end is connected with the production casing 10 in vertical well section.Normally, the first oil pipe 7 is connected on production casing 10 and sets
Hanger 8 on.First oil pipe 7 and the diameter and length for keeping away water pipe 5 can determine according to the actual conditions of pit shaft.
The first packer 6 is provided with the first oil pipe 7 and between keeping away water pipe 5, the first packer 6 is used for two kinds of different pipes
First oil pipe 7 in footpath and keep away water pipe 5 and be tightly connected.Here, the first oil pipe 7, the first packer 6 and keeping away water pipe 5 and can play jointly
The effect of the producing pressure differential of equilibrium water horizontal well heel.
Be provided with screen casing 4 in net horizontal section, crude oil enters screen casing 4 from after bottom outflow, then via screen casing 4, keep away water
Pipe 5 enters the first oil pipe 7, and gives rise to ground by electric submersible pump 9.
The screen casing 4 preferably uses wire-wrapped screen, and the upper end of the screen casing 4 is connected to be kept away on water pipe 5, in the lower end of the screen casing 4
The second oil pipe 3 is connected with, the second oil pipe 3 is set herein, its effect is also to balance the seepage field of whole net horizontal section, delaying water
The water breakthrough cycle of horizontal well, to improve the ability of bosom about oil-producing to greatest extent.
Can be attached using connector between the oil pipe 3 of screen casing 4 and second.Sleeve pipe is connected with the lower end of the second oil pipe 3
Footwear 1.
Oil pipe (such as the first oil pipe 7 and the second oil pipe 5) wherein described in the present invention is imporous pipeline on perisporium.
Preferably, the outside of the second oil pipe 3 is provided with the second packer 2.
According to another aspect of the present invention, a kind of horizontal well is also provided, water as described above is provided with the horizontal well
Horizontal well completion tubular column.
The horizontal well includes straight well section and net horizontal section, and the top of straight well section is provided with the electric submersible pump 9 of lifting crude oil.
The specific implementation process of the horizontal well is：
Before horizontal well probing, the depth design well track according to target reservoir.In real brill, especially to thin sand, bottom
The oil reservoir of the oil reservoir oil-containing finite thickness such as water oil reservoir, need to increase the Tracking Recognition of field geology series of strata, determine the layer of formation at target locations
Position and depth.
By from the method met at the top of purpose series of strata is directly bored, most directly verifying reservoir accurate depth, afterwards reservoir top
The complete production casing of subordinate, after confirming cementing quality, carries out net horizontal section deflecting and horizontal segment drilling again.Horizontal segment drilling process
In, use with imaging logging is bored with good time observation determination net horizontal section track position and the difference of planned well track, especially weigh
Promise horizontal well path creeps into close proximity to reservoir top.
After finishing drilling, the supporting data such as geophysical log are enrolled by logging while drilling technology such as LWD, determine net horizontal section
Reservoir position and thickness, individual well liquid-producing capacity is determined according to well-log information and reservoir characteristics；Enter level as described above under supporting
The completion tubular column of well：Including casing shoe 1, the second oil pipe 3, the second packer 2, screen casing 4, water pipe 5 is kept away, its position is according to horizontal well
The length of section and its heel position of drilling well net horizontal section determine；Then order completes the first packer of net horizontal section upper position
6th, completion tool sequence such as the first oil pipe 7 and production casing 10 etc..Thus the shaft bottom tubing string configuration of horizontal well production is completed.
After the completion tool installation of underground, according to the individual well liquid-producing capacity having determined, matched electricity is chosen to install
Latent pump group is closed, and is completed the installation of artificial lifting way and is tested production.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, but, the present invention is not limited thereto.At this
In the range of the technology design of invention, various simple variants, including each particular technique can be carried out to technical scheme
Feature is combined in any suitable manner.In order to avoid unnecessary repetition, the present invention is to various possible combinations
No longer separately illustrate.But these simple variants and combination should equally be considered as content disclosed in this invention, belong to the present invention
Protection domain.
Claims (10)
1. a kind of horizontal well completion tubular pile, it is characterised in that including the screen casing (4) positioned at net horizontal section and with the screen casing
(4) what upper end connected keeps away water pipe (5) positioned at net horizontal section heel, and the water pipe (5) of keeping away is imporosity or week on perisporium
Pipeline section of the hole less than the hole on the screen casing (4) on wall.
2. horizontal well completion tubular pile according to claim 1, it is characterised in that the horizontal well completion tubular pile also includes the
One oil pipe (7), one end of first oil pipe (7) is connected with the upper end for keeping away water pipe (5), the other end with vertical well section
Production casing (10) is connected.
3. horizontal well completion tubular pile according to claim 2, it is characterised in that first oil pipe (7) is connected to described
On the hanger (8) set on production casing (10).
4. horizontal well completion tubular pile according to claim 1, it is characterised in that first oil pipe (7) keeps away water with described
The first packer (6) is provided between pipe (5).
5. the horizontal well completion tubular pile according to any one in claim 1-4, it is characterised in that the horizontal well completion
Tubing string also includes second oil pipe (3) of the lower end for being connected to the screen casing (4).
6. horizontal well completion tubular pile according to claim 5, it is characterised in that the lower end connection of second oil pipe (3)
There is casing shoe (1).
7. horizontal well completion tubular pile according to claim 5, it is characterised in that the outside of second oil pipe (3) is set
There is the second packer (2).
8. the horizontal well completion tubular pile according to any one in claim 1-4, it is characterised in that the screen casing (4) is
Wire-wrapped screen.
9. a kind of horizontal well, it is characterised in that be provided with the horizontal well according to any one in claim 1-8
Horizontal well completion tubular pile.
10. horizontal well according to claim 9, it is characterised in that the straight well top of the horizontal well is provided with electric submersible pump
(9)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710244809.2A CN106837262A (en) | 2017-04-14 | 2017-04-14 | Horizontal well completion tubular pile and horizontal well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710244809.2A CN106837262A (en) | 2017-04-14 | 2017-04-14 | Horizontal well completion tubular pile and horizontal well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106837262A true CN106837262A (en) | 2017-06-13 |
Family
ID=59148020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710244809.2A Pending CN106837262A (en) | 2017-04-14 | 2017-04-14 | Horizontal well completion tubular pile and horizontal well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106837262A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111119787A (en) * | 2019-11-28 | 2020-05-08 | 中国海洋石油集团有限公司 | Horizontal well stratum anti-channeling water control well completion structure |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4640359A (en) * | 1985-11-12 | 1987-02-03 | Texaco Canada Resources Ltd. | Bitumen production through a horizontal well |
| CA2135348A1 (en) * | 1993-11-15 | 1995-05-16 | Alfred Roy Jennings, Jr. | Method for completing a horizontal well |
| CN201254976Y (en) * | 2008-09-04 | 2009-06-10 | 安东石油技术（集团）有限公司 | New horizontal well sand prevention well completion structure |
| CN201963286U (en) * | 2011-03-10 | 2011-09-07 | 中国石油天然气股份有限公司 | Flow string for reducing containing water of central pipe of horizontal well |
| CN204041030U (en) * | 2014-05-15 | 2014-12-24 | 成都北方石油勘探开发技术有限公司 | With the horizontal well in segments completion tubular column of the close screen casing of variable orifice |
| CN204252928U (en) * | 2014-11-06 | 2015-04-08 | 中国石油天然气股份有限公司 | The center management and control liquid tubing string of horizontal well |
| CN105863578A (en) * | 2016-05-11 | 2016-08-17 | 四川行之智汇知识产权运营有限公司 | Horizontal well completion string capable of achieving subsection exploiting |
| CN105952388A (en) * | 2016-05-11 | 2016-09-21 | 四川行之智汇知识产权运营有限公司 | Heavy oil horizontal well completion pipe string realizing subsection mining |
-
2017
- 2017-04-14 CN CN201710244809.2A patent/CN106837262A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4640359A (en) * | 1985-11-12 | 1987-02-03 | Texaco Canada Resources Ltd. | Bitumen production through a horizontal well |
| CA2135348A1 (en) * | 1993-11-15 | 1995-05-16 | Alfred Roy Jennings, Jr. | Method for completing a horizontal well |
| CN201254976Y (en) * | 2008-09-04 | 2009-06-10 | 安东石油技术（集团）有限公司 | New horizontal well sand prevention well completion structure |
| CN201963286U (en) * | 2011-03-10 | 2011-09-07 | 中国石油天然气股份有限公司 | Flow string for reducing containing water of central pipe of horizontal well |
| CN204041030U (en) * | 2014-05-15 | 2014-12-24 | 成都北方石油勘探开发技术有限公司 | With the horizontal well in segments completion tubular column of the close screen casing of variable orifice |
| CN204252928U (en) * | 2014-11-06 | 2015-04-08 | 中国石油天然气股份有限公司 | The center management and control liquid tubing string of horizontal well |
| CN105863578A (en) * | 2016-05-11 | 2016-08-17 | 四川行之智汇知识产权运营有限公司 | Horizontal well completion string capable of achieving subsection exploiting |
| CN105952388A (en) * | 2016-05-11 | 2016-09-21 | 四川行之智汇知识产权运营有限公司 | Heavy oil horizontal well completion pipe string realizing subsection mining |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111119787A (en) * | 2019-11-28 | 2020-05-08 | 中国海洋石油集团有限公司 | Horizontal well stratum anti-channeling water control well completion structure |
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Application publication date: 20170613 |
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