CN202900225U - A tubular column for a stage-unlimited intelligent well cementation sliding sleeve separate layer fracturing reconstruction technology - Google Patents
A tubular column for a stage-unlimited intelligent well cementation sliding sleeve separate layer fracturing reconstruction technology Download PDFInfo
- Publication number
- CN202900225U CN202900225U CN 201220500302 CN201220500302U CN202900225U CN 202900225 U CN202900225 U CN 202900225U CN 201220500302 CN201220500302 CN 201220500302 CN 201220500302 U CN201220500302 U CN 201220500302U CN 202900225 U CN202900225 U CN 202900225U
- Authority
- CN
- China
- Prior art keywords
- hydraulic line
- sliding sleeve
- well cementation
- communicated
- cementation sliding
- 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.)
- Expired - Lifetime
Links
Images
Abstract
The utility model discloses a tubular column for a stage-unlimited intelligent well cementation sliding sleeve separate layer fracturing reconstruction technology. The tubular is used for realizing stage-unlimited separate layer reconstruction of vertical oil and gas wells and meeting the technological requirements of multi-stage fracturing reconstruction of oil and gas field. The tubular column is disposed in a cement sheath. The upper end of the tubular column is connected with a well head. The tubular column comprises multi-stage intelligent well cementation sliding sleeves connected together through casing pipes, as well as a float collar and a float shoe disposed at the tail end. A piston is disposed in a cavity of each intelligent well cementation sliding sleeve; an upper cylinder body is provided with a radial fracturing port; and hydraulic lines communicated with a two-position four-way solenoid valve, a battery, a wireless induction receiver, an antenna, a water tank and upper and lower cavities of the cylinders are embedded in a groove in the cylinder wall of the lower cylinder. The tubular column has the following advantages: stage-unlimited separate layer fracturing reconstruction is realized; construction period is shortened greatly and cost is saved; a foreign product is replaced and the drill-down labor intensity is reduced; a first-layer intelligent well cementation sliding sleeve can be unsealed through direct throwing of an electronic ball and perforation is not needed; after fracturing is finished, all the sleeves can be unsealed through throwing of the balls and thus a fully-through passage is formed; and well control risks of drill-grinding are reduced.
Description
Technical field
The utility model relates to a kind of intelligent well cementation sliding sleeve separate stratum fracfturing reforming technology tubing string of not limitting progression, belongs to Oil/gas Well multilevel hierarchy fracture technology field.
Background technology
At present, oil field at home cased well multistage fracturing reform mode mainly contains two large classes: the one, utilize the packing between cable perforation and mechanical packer realization interval, and finish the multistage fracturing transformation by opening successively fracturing sliding bush; The 2nd, utilize the hydraulic jetting fracturing instrument to carry out hydraulic perforation, realize the interlayer packing by the hydraulic jet effect, spray pressure break and finish multistage transformation; Above-mentioned tubing string adopts the ascending ball sealer of input to finish the unlatching of sliding sleeves at different levels (sandblaster) and the isolation of the section of transformation when segmentation.Owing to being subjected to the restriction of well head, pit shaft, operating tool string and tool design size, even above-mentioned technology is constantly optimized and be perfect, also only can finishing the separate stratum fracfturing transformation of finite progression.Simultaneously, what above-mentioned tubing string adopted is pressure break and production integration technology, does not generally possess the function of later stage control production and selective exploitation.
Along with the development of oil gas field, the separate stratum fracfturing reforming technology of finite progression can not satisfy the demand of the multistage several fracturing reforms of Oil/gas Well.At present, do not limit the progression well cementation sliding sleeve need to adopt pressure guiding pipeline to carry out pressure conduction abroad, its lower workload of boring is large, and there is the leakage risk in the pipeline junction, needs to bore mill after pressure break is finished and could realize the tubing string full-bore, and construction risk is large, and expense is high.
Summary of the invention
The purpose of this utility model is to provide a kind of intelligent well cementation sliding sleeve separate stratum fracfturing reforming technology tubing string of not limitting progression, and it can realize that the Oil/gas Well straight well do not limit the separate zone stimulation of progression, satisfies the technological requirement that the oil gas field multistage fracturing is transformed.
Concrete technical scheme of the present utility model is as follows:
The utility model process pipe string is located in the cement sheath, and the upper end connects well head, and the float collar and the float shoe that are connected by the multistage intelligent well cementation sliding sleeve that connects by sleeve pipe and tubing string tail end form.The upper shell lower shell that is threaded of intelligence well cementation sliding sleeve is provided with the piston by the sealing ring sealing in the chamber that upper and lower cylindrical shell is communicated with.The upper shell barrel is provided with radially pressure break port, be provided with groove in the lower shell barrel, be embedded with hydraulic line A, hydraulic line B, two-position four-way solenoid valve, battery, wireless induction receiving system, hydraulic line C, hydraulic line D, antenna and water tank in the groove, the lower shell outer wall is provided with cover plate.Hydraulic line A is communicated with cylindrical shell upper chamber, and hydraulic line B is communicated with the cylindrical shell lower chambers, and hydraulic line C is communicated with sleeve pipe, hydraulic line D joining water box, and two-position four-way solenoid valve is communicated with each hydraulic line.Electronic ball 7 is comprised of Ceramic Balls and induced inside chip.
No matter the utility model process pipe string borehole size size all can realize not limitting the separate stratum fracfturing transformation of progression, satisfy the technological requirement that the oil gas field multistage fracturing is transformed; Cased hole completion and light casing fracturing can simplify construction sequence, significantly shorten construction period, save cost; If certain grade of well cementation sliding sleeve is opened failure, available coiled tubing or banded cable switching tools open or close well cementation sliding sleeve, guarantee the carrying out of follow-up construction; The intelligence well cementation sliding sleeve has replaced the pressure conduction pipeline of external product, and the labour intensity in the time of reducing lower boring reduces risk hand-manipulated; In straight well, directly drop into electronic ball, open first floor intelligence well cementation sliding sleeve, need not perforation; After pressure break is finished, drop into electronic ball and can open all sliding sleeves, can realize full-bore, can reduce the well control risk of boring mill, reducing construction cost; Can utilize the electronic ball of CF to close the sliding sleeve of water-yielding stratum.
Description of drawings
Fig. 1 is the schematic diagram of not limitting the intelligent well cementation sliding sleeve separate stratum fracfturing reforming technology tubing string of progression.
Fig. 2 is intelligent well cementation sliding sleeve structural representation.
Fig. 3 is the electronic ball structural representation.
The specific embodiment
Further specify referring to figs. 1 through 3 couples of embodiment of the present utility model:
Embodiment:
The utility model process pipe string is located in the cement sheath 2, and the upper end connects well head 1, and the float collar 5 and the float shoe 6 that are connected by the multistage intelligent well cementation sliding sleeve 4 that connects by sleeve pipe 3 and tubing string tail end form.Upper shell 41 lower shell 413 that is threaded of intelligence well cementation sliding sleeve 4 is provided with the piston 42 by sealing ring 43 sealings in the chamber that upper and lower cylindrical shell is communicated with.Upper shell 41 barrels are provided with radially pressure break port, be provided with groove in lower shell 413 barrels, be embedded with hydraulic line A44, hydraulic line B45 in the groove, be communicated with two-position four-way solenoid valve 46, battery 47, wireless induction receiving system 48, hydraulic line C49, hydraulic line D410, antenna 411 and the water tank 412 of each hydraulic line, lower shell 413 outer walls are provided with cover plate 414.Hydraulic line A44 is communicated with cylindrical shell upper chamber, and hydraulic line B45 is communicated with the cylindrical shell lower chambers, and hydraulic line C49 is communicated with sleeve pipe, hydraulic line D410 joining water box 412, and two-position four-way solenoid valve 46 is communicated with each hydraulic line.Electronic ball 7 is comprised of Ceramic Balls 71 and induced inside chip 72.
The utility model is decided sleeve pipe according to the length of each fractured layer position, and connects the multistage intelligent well cementation sliding sleeve by the sleeve pipe of different length, and the tubing string tail end connects float collar and float shoe, by throwing electronic ball, realizes closing and opening of sliding sleeves at different levels.
Do not limit the course of work of intelligent well cementation sliding sleeve separate stratum fracfturing reforming technology tubing string of progression as follows:
At first, carry out conventional drilling well and well logging, determine the position of fractured layer position and intelligent well cementation sliding sleeve, be lowered to the utility model process pipe string, log well and adjust intelligent well cementation sliding sleeve position, then adopt special plug well cementation, the steel wire drifting guarantees that intelligent well cementation sliding sleeves at different levels are in normal condition.
Throw the one-level electronic ball, its free skating in liquid drops down onto the first fractured layer position, and the intelligent well cementation sliding sleeve that is positioned at the first floor position is received signal, opens the pressure break port, and the well head pressurization crushes cement sheath and carries out the first floor pressure break.
After having replaced first floor liquid, throw the secondary electrons ball, it together is pumped to second layer position with liquid, and second layer intelligence well cementation sliding sleeve is received signal, opens the pressure break port; Meanwhile, when the secondary electrons ball came downwards to second layer position, first floor intelligence well cementation sliding sleeve was received respective signal, closes the pressure break port; Improve pump pressure, pressure rise shows that first floor intelligence well cementation sliding sleeve closes, and continues to improve pump pressure, crushes cement sheath and carries out second layer pressure break.The like, the secondary electrons ball continues descending, realizes not limitting the separate stratum fracfturing of progression.After pressing crack construction is finished, throw electronic ball and open all intelligent well cementation sliding sleeves, close at last a layer discharge opeing, ask product.
If selectively exploit, can throw the electronic ball of respective layer position and close intelligent well cementation sliding sleeve, can also by coiled tubing band sliding sleeve switch instrument, open or close arbitrarily intelligent well cementation sliding sleeve.
The operating principle of intelligence well cementation sliding sleeve is as follows:
In the time of near electronic ball 7 passes through intelligent well cementation sliding sleeve 4, antenna 411 receives signal and is passed to successively wireless induction receiving system 48,46 actions of indication two-position four-way solenoid valve are communicated with hydraulic line A44 and hydraulic line C49, are communicated with simultaneously hydraulic line B45 and hydraulic line D410.Sleeve pipe liquid enters cylindrical shell upper chamber from hydraulic line C49, two-position four-way solenoid valve 46 and hydraulic line A44, and pushing piston 42 is descending, exposes the pressure break port.The liquid of cylindrical shell bottom chamber enters water tank 412 by hydraulic line B45, two-position four-way solenoid valve 46 and hydraulic line D410, finishes the unlatching of piston 42.
In the time of near upper level electronic ball 7 passes through intelligent well cementation sliding sleeve 4, antenna 411 receives signal and is passed to successively wireless induction receiving system 48,46 actions of indication two-position four-way solenoid valve are communicated with hydraulic line A44 and hydraulic line C49, are communicated with simultaneously hydraulic line B45 and hydraulic line D410.Sleeve pipe liquid enters the cylindrical shell lower chambers from hydraulic line C49, two-position four-way solenoid valve 46 and hydraulic line B45, and pushing piston 42 is up, closes the pressure break port.Liquid in the cylindrical shell upper chamber enters water tank 412 by hydraulic line A44, two-position four-way solenoid valve 46 and hydraulic line D410, finishes closing of piston 42.
Claims (2)
1. intelligent well cementation sliding sleeve separate stratum fracfturing reforming technology tubing string of not limitting progression is characterized in that:
The utility model process pipe string is located in the cement sheath (2), and the upper end connects well head (1), and the float collar (5) and the float shoe (6) that are connected by the multistage intelligent well cementation sliding sleeve (4) that connects by sleeve pipe (3) and tubing string tail end form;
Upper shell (41) lower shell (413) that is threaded of intelligence well cementation sliding sleeve (4) is provided with the piston (42) by sealing ring (43) sealing in the chamber that upper and lower cylindrical shell is communicated with; Upper shell (41) barrel is provided with radially pressure break port, be provided with groove in lower shell (413) barrel, be embedded with hydraulic line A (44), hydraulic line B (45), two-position four-way solenoid valve (46), battery (47), wireless induction receiving system (48), hydraulic line C (49), hydraulic line D (410), antenna (411) and water tank (412) in the groove, lower shell (413) outer wall is provided with cover plate (414); Hydraulic line A (44) is communicated with cylindrical shell upper chamber, hydraulic line B (45) is communicated with the cylindrical shell lower chambers, hydraulic line C (49) is communicated with sleeve pipe, hydraulic line D (410) joining water box (412), and two-position four-way solenoid valve (46) is communicated with each hydraulic line;
Electronic ball (7) is comprised of Ceramic Balls (71) and induced inside chip (72).
2. the intelligent well cementation sliding sleeve separate stratum fracfturing reforming technology tubing string of not limitting progression as claimed in claim 1, it is characterized in that when electronic ball (7) is neighbouring through intelligent well cementation sliding sleeve (4), antenna (411) receives signal and is passed to successively wireless induction receiving system (48), indication two-position four-way solenoid valve (46) action, be communicated with hydraulic line A (44) and hydraulic line C (49), be communicated with simultaneously hydraulic line B (45) and hydraulic line D (410); Sleeve pipe liquid enters cylindrical shell upper chamber from hydraulic line C (49), two-position four-way solenoid valve (46) and hydraulic line A (44), and pushing piston (42) is descending, exposes the pressure break port; The liquid of cylindrical shell bottom chamber enters water tank (412) by hydraulic line B (45), two-position four-way solenoid valve (46) and hydraulic line D (410), finishes the unlatching of piston (42);
When upper level electronic ball (7) is neighbouring through intelligent well cementation sliding sleeve (4), antenna (411) receives signal and is passed to successively wireless induction receiving system (48), indication two-position four-way solenoid valve (46) action, be communicated with hydraulic line A (44) and hydraulic line C (49), be communicated with simultaneously hydraulic line B (45) and hydraulic line D (410); Sleeve pipe liquid enters the cylindrical shell lower chambers from hydraulic line C (49), two-position four-way solenoid valve (46) and hydraulic line B (45), and pushing piston (42) is up, closes the pressure break port; Liquid in the cylindrical shell upper chamber enters water tank (412) by hydraulic line A (44), two-position four-way solenoid valve (46) and hydraulic line D (410), finishes closing of piston (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220500302 CN202900225U (en) | 2012-09-28 | 2012-09-28 | A tubular column for a stage-unlimited intelligent well cementation sliding sleeve separate layer fracturing reconstruction technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220500302 CN202900225U (en) | 2012-09-28 | 2012-09-28 | A tubular column for a stage-unlimited intelligent well cementation sliding sleeve separate layer fracturing reconstruction technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202900225U true CN202900225U (en) | 2013-04-24 |
Family
ID=48120908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220500302 Expired - Lifetime CN202900225U (en) | 2012-09-28 | 2012-09-28 | A tubular column for a stage-unlimited intelligent well cementation sliding sleeve separate layer fracturing reconstruction technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202900225U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103696748A (en) * | 2012-09-28 | 2014-04-02 | 中国石油天然气股份有限公司 | Intelligent well cementation slide sleeve separate-layer fracturing transformation process pipe column without stage limitation |
| CN105696974A (en) * | 2016-04-20 | 2016-06-22 | 中国石油集团西部钻探工程有限公司 | Switching mechanism for underground intelligent switching tool |
| CN107288580A (en) * | 2017-08-07 | 2017-10-24 | 成都大学 | A kind of remote control sliding sleeve of bushing communicated based on electrical potential difference |
| CN108979583A (en) * | 2018-07-12 | 2018-12-11 | 马弘毅 | A kind of sidetracked hole layer and section cementing unit and application method |
| CN110005391A (en) * | 2019-04-19 | 2019-07-12 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | A kind of intelligent switch sliding sleeve of bushing layered fracturing technology pipe string and its process |
| CN111206911A (en) * | 2020-02-14 | 2020-05-29 | 中国石油大学(北京) | Hydraulic transmission hydraulic jet infinite-stage fracturing device |
| US10914163B2 (en) | 2017-03-01 | 2021-02-09 | Eog Resources, Inc. | Completion and production apparatus and methods employing pressure and/or temperature tracers |
-
2012
- 2012-09-28 CN CN 201220500302 patent/CN202900225U/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103696748B (en) * | 2012-09-28 | 2016-10-12 | 中国石油天然气股份有限公司 | Do not limit the intelligent well cementation sliding sleeve separate stratum fracfturing reforming technology tubing string of progression |
| CN103696748A (en) * | 2012-09-28 | 2014-04-02 | 中国石油天然气股份有限公司 | Intelligent well cementation slide sleeve separate-layer fracturing transformation process pipe column without stage limitation |
| CN105696974A (en) * | 2016-04-20 | 2016-06-22 | 中国石油集团西部钻探工程有限公司 | Switching mechanism for underground intelligent switching tool |
| US10914163B2 (en) | 2017-03-01 | 2021-02-09 | Eog Resources, Inc. | Completion and production apparatus and methods employing pressure and/or temperature tracers |
| US11788404B2 (en) | 2017-03-01 | 2023-10-17 | Eog Resources, Inc. | Completion and production apparatus and methods employing pressure and/or temperature tracers |
| US11421526B2 (en) | 2017-03-01 | 2022-08-23 | Eog Resources, Inc. | Completion and production apparatus and methods employing pressure and/or temperature tracers |
| CN107288580B (en) * | 2017-08-07 | 2023-08-22 | 成都大学 | Remote control sleeve sliding sleeve based on potential difference communication |
| CN107288580A (en) * | 2017-08-07 | 2017-10-24 | 成都大学 | A kind of remote control sliding sleeve of bushing communicated based on electrical potential difference |
| CN108979583A (en) * | 2018-07-12 | 2018-12-11 | 马弘毅 | A kind of sidetracked hole layer and section cementing unit and application method |
| CN108979583B (en) * | 2018-07-12 | 2020-11-17 | 福州宇卓科技有限公司 | Sidetracking well layering and segmenting cementing device and using method |
| CN110005391A (en) * | 2019-04-19 | 2019-07-12 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | A kind of intelligent switch sliding sleeve of bushing layered fracturing technology pipe string and its process |
| CN110005391B (en) * | 2019-04-19 | 2023-07-28 | 中国石油天然气集团有限公司 | Intelligent switch sleeve sliding sleeve layered fracturing process pipe column and process method thereof |
| CN111206911A (en) * | 2020-02-14 | 2020-05-29 | 中国石油大学(北京) | Hydraulic transmission hydraulic jet infinite-stage fracturing device |
| CN111206911B (en) * | 2020-02-14 | 2021-04-13 | 中国石油大学(北京) | Hydraulic transmission hydraulic jet infinite-stage fracturing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202900225U (en) | A tubular column for a stage-unlimited intelligent well cementation sliding sleeve separate layer fracturing reconstruction technology | |
| CN105952418B (en) | It is a kind of for reservoir reconstruction, production monitoring and the Intellectual valve of control and its construction method | |
| CN103541710B (en) | Underground coal mine gas-liquid two-phase alternately drives pressure break coal body strengthening gas pumping method mutually | |
| CN103696748A (en) | Intelligent well cementation slide sleeve separate-layer fracturing transformation process pipe column without stage limitation | |
| CN102330546B (en) | Open hole staged fracturing well completion pipe string provided with controllable valve and hydraulic control switching pipe string | |
| CN111155929B (en) | Coal mine underground water hole prevention and control high-water-pressure water jacking directional drilling tool and drilling method | |
| CN101718181B (en) | Lifting valve type underground inside-outside integrated blowout preventer | |
| CN103806888B (en) | Down-hole infinite series control fracturing sliding bush | |
| CN205063929U (en) | Colliery is sealed in pit and is pressed integration segmentation hydraulic fracturing device | |
| CN205047207U (en) | Colliery binary channels segmentation in pit hydraulic fracturing device | |
| CN106837264B (en) | Downhole casing perforating gun control system and control method | |
| CN105298391A (en) | Drilling-punching integral construction method for gas extraction drill hole | |
| CN106150468B (en) | It is a kind of for reservoir reconstruction, production monitoring and the construction method of control | |
| CN110397419B (en) | Open hole sidetracking setting device for air drilling | |
| CN105317380B (en) | A kind of variable-flow bores and rushes unitary nozzle | |
| CN202500541U (en) | Tubular column of gas well plumb shaft multi-level layering fracturing technology | |
| CN101519954A (en) | Multifunctional combination operation process and device for injection pump unit | |
| CN203239310U (en) | Unlimited-section fracture casing pipe sliding sleeve | |
| CN104100249B (en) | Do not limit the sliding sleeve of bushing of hop count pressure break | |
| CN104832127B (en) | Intelligent control casing valve applied under balance pressure drilling/completion | |
| CN204024624U (en) | Multistage big orifice annular space throttling sandblaster | |
| CN203879719U (en) | Integrated gas injecting and oil extracting pump | |
| CN206409216U (en) | A kind of down-hole casing perforating system | |
| CN103993834B (en) | A kind of hydraulic reaming system | |
| CN205778694U (en) | Leting speeper high-tension blowout-prevention device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130424 Effective date of abandoning: 20161012 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |