CN104695915A - Sand washing and prevention integrated completion pipe string and control method thereof - Google Patents
Sand washing and prevention integrated completion pipe string and control method thereof Download PDFInfo
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- CN104695915A CN104695915A CN201510114526.7A CN201510114526A CN104695915A CN 104695915 A CN104695915 A CN 104695915A CN 201510114526 A CN201510114526 A CN 201510114526A CN 104695915 A CN104695915 A CN 104695915A
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- sand prevention
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- 239000004576 sand Substances 0.000 title claims abstract description 251
- 230000002265 prevention Effects 0.000 title claims abstract description 122
- 238000000034 method Methods 0.000 title claims abstract description 50
- 238000005406 washing Methods 0.000 title claims abstract description 37
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 238000011010 flushing procedure Methods 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims description 27
- 210000002445 nipple Anatomy 0.000 claims description 14
- 238000013461 design Methods 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 238000005429 filling process Methods 0.000 abstract 2
- 239000013049 sediment Substances 0.000 abstract 1
- 239000012530 fluid Substances 0.000 description 17
- 238000004080 punching Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000269793 Cryothenia peninsulae Species 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012546 transfer Methods 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
- E21B43/04—Gravelling of 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
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- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention refers to the technical field of sand prevention of oil gas water well, and particularly relates to a sand washing and prevention integrated completion pipe string and a control method of the sand washing and prevention integrated completion pipe string. The completion pipe string comprises an oil pipe, which is arranged in a sleeve pipe; a sand-preventing packer, which comprises a letting-in part and a releasing part, wherein an oil tube is connected with a first end of the releasing part; a sand washing and prevention integrated sand-prevention pipe string, which is connected with the letting-in part, and interconnected with an oil sleeve casing; a sand washing and prevention integrated service part, which is arranged in the sand washing and prevention integrated sand-prevention pipe string and connected with a second end of the releasing part, wherein one end of the sand washing and prevention integrated service part is interconnected with the oil tube, and the other end is provided with a sealing ball seat. The control method comprises the following steps: a pipe string placing process, a ball seat sealing process, an extruding and filling process, a circular filling process, a replacing process, a flushing process, and a pipe string lifting process. Through the construction method, the seat sealing position of the sand-prevention packer and the sand sediment of an oil layer section can be washed, the completion pipe string is lowered in place, and construction time is shortened.
Description
Technical field
The present invention relates to oil gas water well sand control technique field, especially one rushes sand prevention integrated completion tubular column and control method thereof.
Background technology
At present, domestic each main oilfield enters mid-later development phase, take over reserves exploitation difficulty increasing, auxiliary products for different Oil Reservoir Types propose various requirement, after some oil wells seriously causes sand washing because shaking out all there is lower phenomenon not in place in repeated multiple times lower tubular column, not only cause operating cost and the significantly prolongation accounting for the well cycle, and cause the lower well tool of part to scrap, measure cost significantly improves.
Summary of the invention
In view of this, the invention provides one and rush sand prevention integrated completion tubular column, solve the problem caused not in place under the sand control pipe caused because of sand production.
In order to achieve the above object, the present invention mainly provides following technical scheme:
Rush sand prevention integrated completion tubular column by one, comprise and be arranged in sleeve pipe: oil pipe, the space between described oil pipe and sleeve pipe is oil jacket annular space; Sand control packer, comprises and stays well part and part of giving up, and wherein, described oil pipe is connected with described first end of giving up part; Rush sand prevention integrated sand control pipe, describedly rush sand prevention integrated sand control pipe and be connected with described well part of staying, describedly rush sand prevention integrated sand control pipe and be communicated with described oil jacket annular space; Rush sand prevention integrated service, describedly rush sand prevention integrated service and be arranged on and describedly rush in sand prevention integrated sand control pipe, described rush sand prevention integrated service with described give up part the second end be connected, describedly rush sand prevention integrated service and be communicated with described oil pipe, be provided with sealed ball seat at the described free end rushing sand prevention integrated service.
Above-mentioned rushes in sand prevention integrated completion tubular column, described rush sand prevention integrated sand control pipe comprise be linked in sequence along first direction top connection, sealing drum, connecting cylinder and filling cylinder, in described top connection, be provided with flap valve.
Above-mentioned rushes in sand prevention integrated completion tubular column, describedly rushes sand prevention integrated sand control pipe and also comprises sand-proof pipe, stays between well part and described top connection described in described sand-proof pipe is arranged on.
Above-mentioned rushes in sand prevention integrated completion tubular column, and described filling cylinder is provided with at least one pack hole.
Above-mentioned rushes in sand prevention integrated completion tubular column, describedly rushes sand prevention integrated service and seals with described sealing drum and contact.
Above-mentioned rushes in sand prevention integrated completion tubular column, describedly rushes sand prevention integrated service and comprises the washing pipe, washing pipe pipe nipple and the guide head that are linked in sequence along first direction, and described sealed ball seat is arranged on described guide head.
Above-mentioned rushes in sand prevention integrated completion tubular column, and described guide head via pins is connected with described washing pipe pipe nipple, and described pin is cut off at a first pressure, described in stay well part and give up part under the second pressure separately, described first pressure is greater than the second pressure.
Above-mentioned rushes in sand prevention integrated completion tubular column, and the free end of described guide head is conical.
Above-mentioned rushes in sand prevention integrated completion tubular column, and described oil pipe is provided with high-pressure filling type rotary sliding well head.
Object of the present invention can also be achieved through the following technical solutions:
By a kind of control method of rushing sand prevention integrated completion tubular column, comprise following process,
Running string process: by described oil pipe, rush sand prevention integrated sand control pipe and rush sand prevention integrated service and be connected on sand control packer, described completion tubular column is transferred to design attitude, inject first liquid by described oil jacket annular space, described first liquid is flowed out by the free end of described oil pipe simultaneously;
Ball seat seal process: drop into ball sealer setting described sand control packer, suppress described sand control packer and to give up part, described sealed ball seat is opened;
Squeeze pack process: pump into the second liquid carrying back-up sand in described oil pipe, described second liquid carries back-up sand and clamp-ons in stratum, and back-up sand is constantly piled up in stratum, completes squeeze pack;
Flow pack process: open sleeve gate, described second liquid returns out ground by sleeve pipe, and back-up sand is deposited on sleeve pipe and rushes in sand prevention integrated sand control pipe annular space constantly piles up until fill up, and completes flow pack;
Displacement process: pump into three liquid approximate with flow line volume to described punching in sand prevention integrated service;
Flushing process: pump into the 4th liquid in oil jacket annular space, described 4th liquid enters described oil pipe;
Tubing string trips out process: described oil pipe and described punching in sand prevention integrated service are tripped out by sleeve pipe.
Above-mentioned rushes in the control method of sand prevention integrated completion tubular column, transferring described completion tubular column in the process of design attitude, as as described in the setting position of sand control packer have reservoir sand to deposit, put then and put described completion tubular column, simultaneously, use the first liquid injected to rinse, guarantee that in described sleeve pipe, the setting position of sand control packer deposits without reservoir sand.
By technique scheme, a kind of completion tubular column that the present invention proposes and preparation method thereof at least has following advantages:
The present invention, by a construction method, makes completion tubular column transfer and puts in place, shortens the engineering time, avoids the sand of sand control packer setting position and oil layer section to deposit.
The present invention can solve the series of problems caused not in place under the sand control pipe caused because of sand production.
Described completion tubular column is by entering to be connected to described oil pipe on described sand control packer under one time, rushing sand prevention integrated sand control pipe and rush sand prevention integrated service.Not only shorten the engineering time, and after the sand washing existed when avoiding tubing string twice to rush sand control construction completes, due to stratum tell second time tubing string that sand causes rapidly under problem not in place.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of manual, coordinates accompanying drawing to be described in detail as follows below with preferred embodiment of the present invention.
Accompanying drawing explanation
Fig. 1 is the structural representation that the present invention rushes an embodiment of sand prevention integrated completion tubular column;
Fig. 2 is the part-structure schematic diagram that the present invention rushes sand prevention integrated sand control pipe;
Fig. 3 is the part-structure schematic diagram that the present invention rushes sand prevention integrated service;
Fig. 4 is the structural representation of sand control packer of the present invention.
Detailed description of the invention
For further setting forth the present invention for the technological means reaching predetermined goal of the invention and take and effect, below in conjunction with accompanying drawing and preferred embodiment, a kind of completion tubular column propose foundation the present invention and the detailed description of the invention of method of work, structure, feature and effect thereof, be described in detail as follows.In the following description, the not necessarily same embodiment that different " embodiment " or " embodiment " refers to.In addition, special characteristic, structure or feature in one or more embodiment can be combined by any suitable form.
As shown in Figures 1 to 4, one embodiment of the invention disclose one and rush sand prevention integrated completion tubular column, comprise and are arranged in sleeve pipe 1: oil pipe 2, and the space between described oil pipe 2 and sleeve pipe 1 is oil jacket annular space; Sand control packer, comprise and stay well part 4 and part 3 of giving up, wherein, described oil pipe 2 is connected with described first end of giving up part 3; Rush sand prevention integrated sand control pipe 10, describedly rush sand prevention integrated sand control pipe 10 and be connected with described well part 4 of staying, describedly rush sand prevention integrated sand control pipe 10 and be communicated with described oil jacket annular space; Rush sand prevention integrated service 20, describedly rush sand prevention integrated service 20 and be arranged on and describedly rush in sand prevention integrated sand control pipe 10, describedly rush sand prevention integrated service 20 and be connected with the second end of described part 3 of giving up, describedly rush sand prevention integrated service 20 and be communicated with described oil pipe 2, be provided with sealed ball seat 22 at the described free end rushing sand prevention integrated service 20.
Described completion tubular column can solve the series of problems caused not in place under the sand control pipe caused because of sand production.Described completion tubular column is by entering to be connected to described oil pipe 2 on described sand control packer under one time, rushing sand prevention integrated sand control pipe 10 and rush sand prevention integrated service 20.Not only shorten the engineering time, and after the sand washing existed when avoiding tubing string twice to rush sand control construction completes, due to stratum tell second time tubing string that sand causes rapidly under problem not in place.
Described completion tubular column is not only applicable to horizontal well, also can be applicable to inclined shaft and straight well.
During concrete enforcement, described rush sand prevention integrated sand control pipe 10 comprise be linked in sequence along first direction top connection, sealing drum 12, connecting cylinder 13 and filling cylinder 14.Described top connection is provided with flap valve 11.Describedly rush sand prevention integrated sand control pipe 10 and also comprise sand-proof pipe, stay described in described sand-proof pipe is arranged between well part 4 and described top connection.Described filling cylinder 14 is provided with at least one pack hole.Describedly rush sand prevention integrated service 20 and seal with described sealing drum 12 and contact.
Describedly rush sand prevention integrated service 20 and comprise the washing pipe 21, washing pipe pipe nipple and the guide head 24 that are linked in sequence along first direction, described sealed ball seat 22 is arranged on described guide head 24.
Vertically be placed as example with sleeve pipe 1 below, be further described.
Described sand control packer is arranged in described sleeve pipe 1, described sand-proof pipe is positioned at described packer lower end, described top connection is connected in described sand-proof pipe lower end, described sealing drum 12 is connected in described top connection lower end, described connecting cylinder 13 is arranged on described sealing drum 12 lower end, and described filling cylinder 14 is connected in described connecting cylinder 13 lower end.
Described washing pipe pipe nipple is connected with sand control packer, and described guide head 24 is connected in described washing pipe pipe nipple lower end.
During concrete enforcement, described guide head 24 via pins 23 is connected with described washing pipe pipe nipple, and described pin 23 is cut off at a first pressure, described in stay well part 4 and give up part 3 under the second pressure separately, described first pressure is greater than the second pressure.
The top of described guide head 24 is sealed ball seat 22 lower end is conical end, and the free end of described guide head 24 is conical.Thus, facilitate described guide head 24 to penetrate in described sand prevention integrated sand control pipe.
During concrete enforcement, be provided with high-pressure filling type rotary sliding well head in described oil pipe 2 upper end.Described sand control packer part 3 lower end of giving up is washing pipe pipe nipple, the filling passage that high-pressure filling type rotary sliding well head and oil pipe 2, equal diameter washing pipe 21, guide head 24 make whole tubing string become airtight, sand control packer give up part 3 with stay well part 4 to be fixed together by left hand thread, sand control packer stays well part 4 lower end to be the tubing round thread connecting sand-proof pipe.Described sand-proof pipe is fixed on described sand control packer.Described top connection is connected in described sand-proof pipe lower end, and described top connection inside has the check valve opened together at least downwards, and described check valve cuts out described punching after sand prevention integrated service 20 trips out, and forms sand block barrier.Described sealing drum 12 is connected in described top connection lower end, there is at least one sealing ring described sealing drum 12 inside, rush sand prevention integrated service 20 seal with described, described connecting cylinder 13 is connected in described sealing drum 12 lower end, described filling cylinder 14 is connected in described connecting cylinder 13 lower end, described filling cylinder 14 lower end has at least one sand washing pack hole, forms sand washing and filling passage.Described pin 23 is level pressure copper pin 23, and described level pressure copper pin 23 makes described washing pipe pipe nipple 21 connect as one with guide head 24, and under setting pressure, level pressure pin 23 is cut off, and guide head 24 comes off, and filling passage is opened.
The method of work of described completion tubular column comprises the steps: described top connection, sealing drum 12, connecting cylinder 13, filling cylinder 14, sand-proof pipe, links together by design sequence.Composition rush sand prevention integrated sand control pipe 10, under enter sleeve pipe pithead position; Describedly rush sand prevention integrated service 20, under to enter to rush in sand prevention integrated sand control pipe 10 and be connected with sand control packer part second end of giving up, rush sand prevention integrated tubing string to be connected with sand control packer, give up portion first end and oil pipe 2 of last sand control packer to link together composition completion tubular column by design sequence.Described completion tubular column, in decentralization process, arrives design attitude under guaranteeing institute's sand control packer, and midway is hampered because of the way that shakes out, and can wash down (note: sand washing process is necessary for backwash); Connect high-pressure filling type rotary sliding well head.
After putting in place under described sand control pipe, put repeatedly and put completion tubular column, and backwash, guarantee, the setting position of sand control packer and oil layer section deposit without reservoir sand.
In described completion tubular column, drop into ball sealer, described ball sealer is fallen in the sealed ball seat 22 of guide head 24, makes thus makes described sand washing filling passage be in closed condition.Suppress setting sand control packer, sand control packer is given up, then continue to suppress the level pressure copper pin 23 between washing pipe pipe nipple and guide head 24 is cut off, guide head 24 comes off, and sand washing filling passage is opened.
Ground high pressure pump truck group pumps into high pressure load fluid in oil pipe 2, high pressure load fluid carries back-up sand and flows through oil pipe 2, rushes the interior filling passage of sand prevention integrated service 20, rushes the outer filling passage of sand prevention integrated sand control part and enter stratum, carries out squeeze pack.After squeeze pack terminates, open sleeve pipe 1 gate, in high pressure load fluid, fluid section flows through oil pipe 2, rushes the interior filling passage of sand prevention integrated service 20, rushes the outer filling passage of sand prevention integrated sand control part, sand-proof pipe and washing pipe pipe nipple annular space, the annular space of oil pipe 2 and sleeve pipe 1 is to sleeve pipe 1 gate, return out ground, high pressure load fluid cobblestone part is constantly piled up in sleeve pipe 1 and sand-proof pipe annular space through the filtration of sand-proof pipe, completes flow pack.After flow pack terminates, ground high pressure pump truck group pumps into the displacement fluid approximate with oil pipe 2 volume of going into the well to rushing sand prevention integrated service 20.On carry and rush sand prevention integrated service 20, ground high pressure pump truck group pumps into flushing fluid to oil pipe 2 and the annular space of sleeve pipe 1, flushing fluid through oil pipe 2 and sleeve pipe 1 annular space, rush filling passage in sand prevention integrated service 20 and enter oil pipe 2, gravel in oil pipe 2 is rinsed to ground, trips out and rush sand prevention integrated service 20.
During concrete enforcement, oil pipe 2 upper end of described completion tubular column is connected with high-pressure filling type rotary sliding well head; Completion tubular column is put by described high-pressure filling type rotary sliding well head puts.Described sand control packer comprises sand control pipe connecting thread and service connecting thread.
The control method of described completion tubular column, comprises following process,
Running string process: by described oil pipe 2, rush sand prevention integrated sand control pipe 10 and rush sand prevention integrated service 20 and be connected on sand control packer, described completion tubular column is transferred to design attitude, inject first liquid by described oil jacket annular space, described first liquid is flowed out by the free end of described oil pipe 2 simultaneously;
Ball seat seal process: drop into sand control packer described in sealed ball seat 22 envelope, suppress described sand control packer and to give up part 3, described sealed ball seat 22 is opened;
Squeeze pack process: pump into second liquid in described oil pipe 2, described second liquid is clamp-oned in stratum, back-up sand is deposited in stratum constantly piles up, and completes squeeze pack;
Flow pack process: open sleeve pipe 1 gate, described second liquid returns out ground by sleeve pipe 1, back-up sand is deposited on sleeve pipe 1 and rushes in sand prevention integrated sand control pipe 10 annular space constantly piles up until fill up, and completes flow pack;
Displacement process: pump into three liquid approximate with oil pipe 2 volume to described punching in sand prevention integrated service 20;
Flushing process: pump into the 4th liquid in oil jacket annular space, described 4th liquid enters described oil pipe 2;
Tubing string trips out process: described oil pipe 2 and described punching in sand prevention integrated service 20 are tripped out by sleeve pipe 1.
During concrete enforcement, transferring described completion tubular column in the process of design attitude, as as described in the setting position of sand control packer have reservoir sand to deposit, put then and put described completion tubular column, simultaneously, use the first liquid injected to rinse, guarantee that in described sleeve pipe 1, the setting position of sand control packer deposits without reservoir sand.
During concrete enforcement, one-trip string of the present invention rushes the method for sand prevention integrated completion practice, comprises the following steps:
A drifting: under enter to rush sand prevention integrated device for filling before apply drift size gauge tool drifting to artificial bottom of a well, and to clean up.
B. pipe cleaning cleaning up.
C. enter to rush down sand prevention integrated sand control pipe 10, be followed successively by from bottom to top:
(1) rush sand control pack device+sand-proof pipe, then by above-mentioned tubing string seat in well head.
(2) server tubing string is entered under: filling server+equal diameter washing pipe 21.
(3) connect and under enter to rush sand control packer: illustrate: rush sand control packer lower end washing pipe pipe nipple and be connected with equal diameter washing pipe 21; Rush sand control packer lower end screen casing junction button to be connected with sand-proof pipe.
D, with oil pipe 2, above tubing string being transferred to design attitude, if midway is hampered because shaking out, can wash down.
E, connection high-pressure filling type rotary sliding well head.
F, rush sand prevention integrated device for filling sand control pipe under put in place after, put repeatedly and put tubing string, and backwash, guarantee that packer set position deposits without reservoir sand.
G, drop into that ball sealer is setting rushes sand control packer.
H, suppress and rush sand control packer and give up.
I, suppress open fill passage.
J, sand control are constructed: ground high pressure pump truck group pumps into high pressure load fluid in oil pipe 2, high pressure load fluid carries back-up sand and flows through oil pipe 2, rushes the interior filling passage of sand prevention integrated service 20, rushes the outer filling passage of sand prevention integrated sand control part and enter stratum, carries out squeeze pack.After squeeze pack terminates, open sleeve pipe 1 gate, in high pressure load fluid, fluid section flows through oil pipe 2, rush the interior filling passage of sand prevention integrated service 20, rush the outer filling passage of sand prevention integrated sand control part, sand-proof pipe and washing pipe pipe nipple annular space, the annular space of oil pipe 2 and sleeve pipe 1 is to sleeve pipe 1 gate, return out ground, in high pressure load fluid, proppant is constantly piled up until fill up in sleeve pipe 1 and sand-proof pipe annular space, complete flow pack, after flow pack terminates, ground high pressure pump truck group pumps into the displacement fluid approximate with oil pipe 2 volume of going into the well to rushing sand prevention integrated service tube-column.
The sand prevention integrated service tube-column of k, Shang Tichong, ground high pressure pump truck group pumps into flushing fluid to oil pipe 2 and the annular space of sleeve pipe 1, flushing fluid through oil pipe 2 and sleeve pipe 1 oil jacket annular space, rush filling passage in sand prevention integrated service 20, rush sand prevention integrated service 20 and enter oil pipe 2, the load fluid in oil pipe 2 is rinsed well.
L, trip out and rush sand prevention integrated service tube-column.
Adopt above-mentioned tubing string and method, thoroughly solve the series of problems caused not in place under the sand control pipe caused because of sand production.One-trip string rushes sand prevention integrated completion technique and realizes one-trip string sand washing and the construction of filling completion, shorten the engineering time, construct simple and convenient, after the sand washing existed when tubing string rushes sand control construction twice before can avoiding completes, due to stratum tell second time tubing string that sand causes rapidly under problem not in place.
The above, it is only preferred embodiment of the present invention, not do any pro forma restriction to the present invention, any simple modification done above embodiment according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (10)
1. rush a sand prevention integrated completion tubular column, it is characterized in that: comprise and be arranged in sleeve pipe:
Oil pipe, the space between described oil pipe and sleeve pipe is oil jacket annular space;
Sand control packer, comprises and stays well part and part of giving up, and wherein, described oil pipe is connected with described first end of giving up part;
Rush sand prevention integrated sand control pipe, describedly rush sand prevention integrated sand control pipe and be connected with described well part of staying, describedly rush sand prevention integrated sand control pipe and be communicated with described oil jacket annular space;
Rush sand prevention integrated service, describedly rush sand prevention integrated service and be arranged on and describedly rush in sand prevention integrated sand control pipe, described rush sand prevention integrated service with described give up part the second end be connected, describedly rush sand prevention integrated service and be communicated with described oil pipe, be provided with sealed ball seat at the described free end rushing sand prevention integrated service.
2. according to claim 1ly rush sand prevention integrated completion tubular column, it is characterized in that,
Described rush sand prevention integrated sand control pipe comprise be linked in sequence along first direction top connection, sealing drum, connecting cylinder and filling cylinder, in described top connection, be provided with flap valve.
3. according to claim 2ly rush sand prevention integrated completion tubular column, it is characterized in that,
Describedly rush sand prevention integrated sand control pipe and also comprise sand-proof pipe, stay described in described sand-proof pipe is arranged between well part and described top connection.
4. according to claim 2ly rush sand prevention integrated completion tubular column, it is characterized in that,
Described filling cylinder is provided with at least one pack hole.
5. according to claim 2ly rush sand prevention integrated completion tubular column, it is characterized in that,
Describedly rush sand prevention integrated service and seal with described sealing drum and contact.
6. completion tubular column according to claim 1, is characterized in that,
Describedly rush sand prevention integrated service and comprise the washing pipe, washing pipe pipe nipple and the guide head that are linked in sequence along first direction, described sealed ball seat is arranged on described guide head.
7. according to claim 6ly rush sand prevention integrated completion tubular column, it is characterized in that,
Described guide head via pins is connected with described washing pipe pipe nipple, and described pin is cut off at a first pressure, described in stay well part and give up part under the second pressure separately, described first pressure is greater than the second pressure.
8. according to claim 1ly rush sand prevention integrated completion tubular column, it is characterized in that,
Described oil pipe is provided with high-pressure filling type rotary sliding well head.
9. the control method of rushing sand prevention integrated completion tubular column according to any one of claim 1 to 8, is characterized in that comprising following process,
Running string process: by oil pipe, rush sand prevention integrated sand control pipe and rush sand prevention integrated service and be connected on sand control packer, completion tubular column is transferred to design attitude, inject first liquid by oil jacket annular space, first liquid is flowed out by the free end of oil pipe simultaneously;
Ball seat seal process: drop into ball sealer setting sand control packer, suppress sand control packer and to give up part, sealed ball seat is opened;
Squeeze pack process: pump into the second liquid carrying back-up sand in oil pipe, second liquid carries back-up sand and clamp-ons in stratum, and back-up sand is constantly piled up in stratum, completes squeeze pack;
Flow pack process: open sleeve gate, second liquid returns out ground by sleeve pipe, and back-up sand is deposited on sleeve pipe and rushes in sand prevention integrated sand control pipe annular space constantly piles up until fill up, and completes flow pack;
Displacement process: pump into three liquid approximate with flow line volume to rushing in sand prevention integrated service;
Flushing process: pump into the 4th liquid in oil jacket annular space, the 4th liquid enters oil pipe;
Tubing string trips out process: tripped out by sleeve pipe with rushing in sand prevention integrated service by oil pipe.
10. control method of rushing sand prevention integrated completion tubular column according to claim 9, is characterized in that,
Transferring described completion tubular column in the process of design attitude, as as described in the setting position of sand control packer have reservoir sand to deposit, then put on and put described completion tubular column, simultaneously, use the first liquid injected to rinse, guarantee that in described sleeve pipe, the setting position of sand control packer deposits without reservoir sand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510114526.7A CN104695915B (en) | 2015-03-16 | 2015-03-16 | Sand washing and prevention integrated completion pipe string and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510114526.7A CN104695915B (en) | 2015-03-16 | 2015-03-16 | Sand washing and prevention integrated completion pipe string and control method thereof |
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| CN104695915A true CN104695915A (en) | 2015-06-10 |
| CN104695915B CN104695915B (en) | 2017-05-10 |
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| CN106089161A (en) * | 2016-08-21 | 2016-11-09 | 中国石油化工股份有限公司 | A kind of layering section sand control production integration control valve and completion tubular column |
| CN107100594A (en) * | 2017-06-07 | 2017-08-29 | 山东胜利石油装备产业技术研究院 | A kind of open-hole horizontal well bottom inversely fills multilayer sand control pipe and method |
| CN107191146A (en) * | 2017-07-18 | 2017-09-22 | 中国石油集团渤海钻探工程有限公司 | Coal bed gas sand clean out pipe string and its sand washing method |
| CN107939358A (en) * | 2017-11-28 | 2018-04-20 | 中国石油化工股份有限公司 | Carbonate rock hydrocarbon reservoir open hole completion tubing string and post-processing method |
| CN108019191A (en) * | 2016-11-01 | 2018-05-11 | 中国石油化工股份有限公司 | A kind of tubing string and completion method |
| CN108691566A (en) * | 2017-04-11 | 2018-10-23 | 中国石油化工股份有限公司 | Sand control pack integrated well head device and operational method |
| CN109854213A (en) * | 2019-03-18 | 2019-06-07 | 中国石油化工股份有限公司 | Set damage repairs the sand control pipe of well |
| CN112324398A (en) * | 2020-11-16 | 2021-02-05 | 中国海洋石油集团有限公司 | Sand control tubular column and towards sand control integration tubular column |
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| CN113958293A (en) * | 2020-07-20 | 2022-01-21 | 中国石油化工股份有限公司 | Sand control pipe column capable of washing sand and reversely filling in pipe and filling device |
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| CN108019191B (en) * | 2016-11-01 | 2020-02-18 | 中国石油化工股份有限公司 | Tubular column and well completion method |
| CN108019191A (en) * | 2016-11-01 | 2018-05-11 | 中国石油化工股份有限公司 | A kind of tubing string and completion method |
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| CN107100594A (en) * | 2017-06-07 | 2017-08-29 | 山东胜利石油装备产业技术研究院 | A kind of open-hole horizontal well bottom inversely fills multilayer sand control pipe and method |
| CN107191146B (en) * | 2017-07-18 | 2019-04-12 | 中国石油集团渤海钻探工程有限公司 | Coal bed gas sand clean out pipe string and its sand washing method |
| CN107191146A (en) * | 2017-07-18 | 2017-09-22 | 中国石油集团渤海钻探工程有限公司 | Coal bed gas sand clean out pipe string and its sand washing method |
| CN107939358A (en) * | 2017-11-28 | 2018-04-20 | 中国石油化工股份有限公司 | Carbonate rock hydrocarbon reservoir open hole completion tubing string and post-processing method |
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| CN113958293A (en) * | 2020-07-20 | 2022-01-21 | 中国石油化工股份有限公司 | Sand control pipe column capable of washing sand and reversely filling in pipe and filling device |
| CN112324398A (en) * | 2020-11-16 | 2021-02-05 | 中国海洋石油集团有限公司 | Sand control tubular column and towards sand control integration tubular column |
| CN112324398B (en) * | 2020-11-16 | 2022-08-26 | 中国海洋石油集团有限公司 | Sand control tubular column and wash sand control integration tubular column |
| CN112664148B (en) * | 2021-03-18 | 2021-06-29 | 东营市福利德石油科技开发有限责任公司 | Horizontal well sand prevention completion pipe string and horizontal well rapid sand prevention completion method |
| CN112664148A (en) * | 2021-03-18 | 2021-04-16 | 东营市福利德石油科技开发有限责任公司 | Horizontal well sand prevention completion pipe string and horizontal well rapid sand prevention completion method |
| CN116446827A (en) * | 2023-06-16 | 2023-07-18 | 山东普瑞思德石油技术有限公司 | Self-adjustable bottom filling tool |
| CN116446827B (en) * | 2023-06-16 | 2024-06-28 | 山东普瑞思德石油技术有限公司 | Self-adjustable bottom filling tool |
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