CN103291260B - Hydraulic jeting device - Google Patents
Hydraulic jeting device Download PDFInfo
- Publication number
- CN103291260B CN103291260B CN201310260859.1A CN201310260859A CN103291260B CN 103291260 B CN103291260 B CN 103291260B CN 201310260859 A CN201310260859 A CN 201310260859A CN 103291260 B CN103291260 B CN 103291260B
- Authority
- CN
- China
- Prior art keywords
- sleeve pipe
- fracturing tool
- tool section
- main body
- body tube
- 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.)
- Active
Links
Abstract
The present invention relates to a kind of hydraulic jeting device, this hydraulic jeting device comprises at least one fracturing tool section be connected with oil pipe, described each fracturing tool section comprises: main body tube and sleeve pipe, described main body tube comprises upper and lower, the inwall on described top is provided with several nozzles, several nozzles described are blocked by the inwall that described sleeve pipe is arranged on described top; Described bottom is provided with some overcurrent windows, described sleeve pipe is provided with some perforation, when described sleeve pipe is positioned at top, described some perforation and several nozzles described stagger all mutually, after described sleeve pipe moves to described bottom by described top, described some overcurrent windows are communicated with described some perforation.The present invention has and prevents from producing chock pressure difference in main body tube and prevent from making because nozzle is blocked oil gas cannot enter beneficial effect in main body tube.
Description
Technical field
The present invention relates to the oil formation hydraulic fracturing field in oil exploitation, particularly relate to a kind of hydraulic jeting device.
Background technology
Oil formation hydraulic fracturing generally refers to the principle utilizing liquid pressure transmission, at the pump of ground high-pressure large-displacement, the liquid with certain viscosity is injected to oil reservoir to be greater than the absorbent ability of oil reservoir, wellbore pressure is increased gradually, when pressure be increased to be greater than pressure that oil reservoir breaks required time, that oil reservoir will form one or several level or vertical crack.After cracking initiation, along with the continuous injection of liquid, crack also can constantly extend and expand, until when the speed of liquid injection is equal with an oil reservoir absorbent speed, also can again close if now cancel external force crack.Being in the state of opening in order to keep crack, being mixed into a certain proportion of solid particle with higher-strength while injecting with fracturing fluid and cooking proppant and carry out supporting crack.Be through strict screening owing to supporting, it has good granularity and intensity, is deposited in crack, makes the flow conductivity changing near wellbore stratum, thus reduce liquid is flowed into pit shaft resistance by stratum.
In the related, after Halliburton's type spraycan completes pressing crack construction, Halliburton's instrument must trip out, and is replaced by new flow string and carries out oil-gas mining.And adopt the spraycan of Chang Qing oil gas institute type, directly can carry out production of hydrocarbons after pressure.But when adopting this type of spraycan, because hydrocarbon fluids can only enter in main body tube by the nozzle of spraycan during exploitation, can chock pressure difference be produced at nozzle place, affect oil and gas development effect; Simultaneously less owing to spraying sectional area, easily by formation sand production or debris blockage.
Summary of the invention
The technical problem to be solved in the present invention is, for of the prior art when hydrocarbon fluids enters in main body tube, produce chock pressure difference at nozzle place and affect oil and gas development effect and the less easily blocked defect of size due to nozzle, a kind of hydraulic jeting device being provided with overcurrent window on main body tube is provided.
The technical scheme that technical solution problem of the present invention adopts is: provide a kind of hydraulic jeting device, comprise the fracturing tool section that at least one is connected with oil pipe, described each fracturing tool section comprises: main body tube and sleeve pipe, described main body tube comprises upper and lower, the inwall on described top is provided with several nozzles, several nozzles described are blocked by the inwall that described sleeve pipe is arranged on described top; Described bottom is provided with some overcurrent windows, described sleeve pipe is provided with some perforation, when described sleeve pipe is positioned at top, described some perforation and several nozzles described stagger all mutually, after described sleeve pipe moves to described bottom by described top, described some overcurrent windows are communicated with described some perforation.
Preferably, the gross area of the overcurrent window in described each fracturing tool section is greater than the cross-sectional area of the described main body tube of corresponding fracturing tool section.
Preferably, the gross area of the overcurrent window in described each fracturing tool section is 1.2-1.5 times of the cross-sectional area of the described main body tube of corresponding fracturing tool section.
Preferably, the number of described overcurrent window is 3 to 6.
Preferably, described sleeve upper end is provided with ball seat, described ball seat is provided with along the axis of described sleeve pipe the through hole passed for ball, described fracturing tool section comprises at least two fracturing tool sections, from top to bottom, the described through hole on the described ball seat of each fracturing tool section allows the maximum gauge of the ball passed through to reduce successively.
Preferably, the lower end of described bottom is provided with the ledge structure for preventing described sleeve pipe from deviating from.
Preferably, in each fracturing tool section, the quantity of described nozzle is 4 to 8.
Preferably, the diameter of described nozzle is 4-8mm.
Preferably, when described sleeve pipe is positioned at described top, described sleeve pipe and described main body tube are locked by pin; When described sleeve pipe is subject to certain downward active force, described pin disconnects, and described sleeve pipe slides into described bottom by described top.
Hydraulic jeting device provided by the invention compared with prior art has following beneficial effect: owing to being provided with overcurrent window and being arranged at the perforation of this overcurrent window cooperation on main body tube on sleeve pipe, in oil-gas mining process, can not chock pressure difference be produced in main body tube and affect oil-gas mining effect, and there is the effect that the oil gas that can prevent from causing because nozzle is plugged cannot enter main body tube.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is hydraulic jeting device of the present invention structural representation in one embodiment;
Fig. 2 be hydraulic jeting device of the present invention embodiment illustrated in fig. 1 in, in a fracturing tool section, the structural representation when sleeve pipe is positioned at top;
Fig. 3 be hydraulic jeting device of the present invention embodiment illustrated in fig. 1 in, in a fracturing tool section, the structural representation when sleeve pipe is positioned at bottom.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Fig. 1 shows the hydraulic jeting device in one embodiment of the invention, and it is applied to the fracturing technology in oil-gas mining.This hydraulic jeting device can comprise several fracturing tool sections be connected with petroleum pipeline, to carry out pressing crack construction to some sections of oil reservoirs respectively.As shown in Figures 1 to 3, each fracturing tool section comprises: main body tube 10 and the sleeve pipe 20 be arranged in this main body tube 10.Main body tube 10 comprises top 11 and bottom 12, and wherein, top 11 is provided with several nozzles 111, and bottom 12 is provided with several overcurrent windows 121, and the lower end of bottom 12 is provided with the ledge structure 122 for preventing sleeve pipe 20 from deviating from.Sleeve pipe 20 upper end arranges ball seat 21, and sleeve pipe 20 sidewall is provided with some perforation 22, and shape and size and the overcurrent window 121 of perforation 22 are approximate.Understandable, perforation 22 and overcurrent window 121 are all greater than the jet of nozzle 111.
These several nozzles 111, for producing jetting effect when pressing crack construction, realize hydraulic jetting fracturing construction; It is identical with structure with the principle of nozzle of the prior art, therefore does not carefully state at this.Preferably, the quantity of nozzle 111 is 4 to 8, and diameter is 4-8mm.Certainly, its quantity and diameter are not limited to this, can change according to actual needs.
These several overcurrent windows 121 22 to match, to form flow channels for boring a hole with several on sleeve pipe 20.In each fracturing tool section, when sleeve pipe 20 moves to bottom 12 time, this some overcurrent window 121 is just right with this some perforation 22.After the existence of overcurrent window 121 makes fracture job complete, this hydraulic jeting device need not be taken out and can start follow-up oil extraction operation, oil can enter into main body tube 10 from overcurrent window 121, enter into oil pipe further, can meet in oil recovery process for discharge value and anti-blocking demand.
In order to prevent chock pressure difference, and overcurrent window 121 is told sand plug plug by stratum, and the area of overcurrent window 121 arranges larger.In a fracturing tool section, the gross area of overcurrent window 121 is greater than the cross-sectional area of the main body tube 10 in this fracturing tool section, and preferably, the gross area of this overcurrent window 121 is 1.2-1.5 times of cross-sectional area.
Ball seat 21 is provided with the through hole 211 for ball perforation.It to be blocked by sleeve pipe 20, makes water pressure pushing sleeve pipe 20 move to bottom 12 by top 11 for coordinating with the corresponding ball 100 that ball injector is launched.Owing to comprising at this hydraulic jeting device by several fracturing tool sections, therefore need to project repeatedly ball 100.Through hole 211 on the ball seat 21 of each fracturing tool section from top to bottom allows the maximum gauge of the ball 100 passed through to reduce successively.Preferably, the through hole 211 of ball seat 21 allows the maximum gauge of the ball 100 passed through to be 38.1-88.9mm, and difference is 3.175mm successively from top to bottom.The ball 100 of the ball seat 21 of corresponding fracturing tool section bottom first launched by ball injector, and fracturing tool section bottom starts fracture job.The rest may be inferred, until each fracturing tool section completes fracture job.
Sleeve pipe 20 adopts pin to be fixed on the inwall on top 11 before pressing crack construction, and is blocked by several nozzles 111 on it, and now this some perforation 22 is all staggered mutually with some nozzles 111.When after beginning pressing crack construction, a ball 100 launched by ball injector, this ball 100 drops on the ball seat 21 on sleeve pipe 20, sleeve pipe 20 is blocked, due to the effect of fluid pressure, highly pressurised liquid promotes sleeve pipe 20, and pin disconnects, sleeve pipe 20 moves to bottom 12 by top 11, and these several nozzles 111 start to carry out inject high pressure fracturing fluid.Further, the some perforation 22 now on sleeve pipe 20 are just right one by one with the some overcurrent windows 121 on main body tube 10, form flow channels.After pressing crack construction completes, ground high-pressure pump stops pressurization, make the liquid of underground at the bottom of ground high pressure effect under eject, enter in main body tube 10 by overcurrent window 121 and nozzle 111, main body tube 10 cleaned.And because the size of overcurrent window 121 is comparatively large relative to nozzle 111, the possibility be plugged is very low, and is beneficial to follow-up oil extraction operation.In the oil-gas mining stage, the oil gas exploited out in well enters in oil pipe by nozzle 111 and overcurrent window 121, because overcurrent window 121 area is comparatively large, can not produces chock pressure difference, also can not be told sand plug plug by stratum.
This hydraulic jeting device adopts 5
1/
2" LTC, 4
1/
2" LTC, 3
1/
2" EUE and 2
7/
8" a kind of button-type in EUE is connected with oil pipe.Can certainly change according to actual needs.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (9)
1. a hydraulic jeting device, comprise the fracturing tool section that at least one is connected with oil pipe, described each fracturing tool section comprises: main body tube (10) and sleeve pipe (20), described main body tube (10) comprises top (11) and bottom (12), the inwall on described top (11) is provided with several nozzles (111), described several nozzles (111) are blocked by the inwall that described sleeve pipe (20) is arranged on described top (11); It is characterized in that, described bottom (12) is provided with some overcurrent windows (121), described sleeve pipe (20) is provided with some perforation (22), when described sleeve pipe (20) is positioned at top (11), described some perforation (22) and described several nozzles (111) are staggered all mutually, after described sleeve pipe (20) moves to described bottom (12) by described top (11), described some overcurrent windows (121) are communicated with described some perforation (22).
2. hydraulic jeting device according to claim 1, is characterized in that, the gross area of the overcurrent window (121) in described each fracturing tool section is greater than the cross-sectional area of the described main body tube (10) of corresponding fracturing tool section.
3. hydraulic jeting device according to claim 2, it is characterized in that, the gross area of the overcurrent window (121) in described each fracturing tool section is 1.2-1.5 times of the cross-sectional area of the described main body tube (10) of corresponding fracturing tool section.
4. hydraulic jeting device according to claim 3, is characterized in that, the number of described overcurrent window (121) is 3 to 6.
5. the hydraulic jeting device according to any one of Claims 1-4, it is characterized in that, described sleeve pipe (20) upper end is provided with ball seat (21), described ball seat (21) is provided with along the axis of described sleeve pipe (20) through hole (211) passed for ball (100), described fracturing tool section comprises at least two fracturing tool sections, from top to bottom, the described through hole (211) on the described ball seat (21) of each fracturing tool section allows the maximum gauge of the ball (100) passed through to reduce successively.
6. the hydraulic jeting device according to any one of Claims 1-4, is characterized in that, the lower end of described bottom (12) is provided with the ledge structure (122) for preventing described sleeve pipe (20) from deviating from.
7. the hydraulic jeting device according to any one of Claims 1-4, is characterized in that, in each fracturing tool section, the quantity of described nozzle (111) is 4 to 8.
8. the hydraulic jeting device according to any one of Claims 1-4, is characterized in that, the diameter of described nozzle (111) is 4-8mm.
9. hydraulic jeting device according to claim 1, is characterized in that, when described sleeve pipe (20) is positioned at described top (11), described sleeve pipe (20) and described main body tube (10) are locked by pin; When described sleeve pipe (20) is subject to certain downward active force, described pin disconnects, and described sleeve pipe (20) slides into described bottom (12) by described top (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310260859.1A CN103291260B (en) | 2013-06-27 | 2013-06-27 | Hydraulic jeting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310260859.1A CN103291260B (en) | 2013-06-27 | 2013-06-27 | Hydraulic jeting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103291260A CN103291260A (en) | 2013-09-11 |
| CN103291260B true CN103291260B (en) | 2016-02-17 |
Family
ID=49092723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310260859.1A Active CN103291260B (en) | 2013-06-27 | 2013-06-27 | Hydraulic jeting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103291260B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201301694Y (en) * | 2008-10-16 | 2009-09-02 | 中国石油化工股份有限公司胜利油田分公司采油工艺研究院 | Hydraulic jet pump separate zone oil production process pipe string |
| CN101979823A (en) * | 2010-10-14 | 2011-02-23 | 中国石油天然气股份有限公司 | Hydraulic jet perforation, fracturing and gas lift liquid drainage integrated technical pipe column |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070284106A1 (en) * | 2006-06-12 | 2007-12-13 | Kalman Mark D | Method and apparatus for well drilling and completion |
| US7673673B2 (en) * | 2007-08-03 | 2010-03-09 | Halliburton Energy Services, Inc. | Apparatus for isolating a jet forming aperture in a well bore servicing tool |
-
2013
- 2013-06-27 CN CN201310260859.1A patent/CN103291260B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201301694Y (en) * | 2008-10-16 | 2009-09-02 | 中国石油化工股份有限公司胜利油田分公司采油工艺研究院 | Hydraulic jet pump separate zone oil production process pipe string |
| CN101979823A (en) * | 2010-10-14 | 2011-02-23 | 中国石油天然气股份有限公司 | Hydraulic jet perforation, fracturing and gas lift liquid drainage integrated technical pipe column |
Non-Patent Citations (2)
| Title |
|---|
| 《井下水力喷射压裂工具典型结构及应用》;范微等;《石油钻探技术》;20091125;第37卷(第6期);第74-77页 * |
| 《射孔-压裂-水力喷射泵排液一体化技术》;王玉忠等;《油气井测试》;20111215;第20卷(第5期);第72-74页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103291260A (en) | 2013-09-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100562645C (en) | High pressure water jet-flow deep penetrating perforating and auxiliary crushing method and device thereof | |
| CN108952655B (en) | Normal-pressure shale gas screen pipe well completion hydraulic jet volume fracturing method | |
| CN201090188Y (en) | Fixedly tubular pile delamination hydraulic jet perforating and compression fracture integration tubular pile | |
| CN102812205B (en) | There is the method for breaking for proppant and the material of flexible flow line technology | |
| CN202325440U (en) | Ball seat type ejector | |
| CN103266873A (en) | Connecting structure of multilevel hydraulic spraying segmentation fracturing tubular column | |
| CN103470242B (en) | A kind of oilfield horizontal well volume fracturing method | |
| CN103266875A (en) | Fracturing operation method of multistage hydraulic jet staged fracturing tubular column | |
| CN104213895B (en) | Hydraulic jet perforation pressure break and back-up sand combination operation process method | |
| CN102536185A (en) | Multi-stage draggable water-jet packer tubular column and technology | |
| CN2895732Y (en) | Novel hydraulic jetter | |
| CN101446187A (en) | Twin packer hydro-jet fracturing technology | |
| CN103266876A (en) | Fracturing working method of multilevel hydraulic spraying segmentation fracturing tubular column | |
| CN102877824A (en) | Horizontal well staged and multi-cluster fracturing method by hydraulic jetting | |
| CN106703874B (en) | Multi-point pulse hydraulic fracturing method for underground coal seam | |
| CN103867179B (en) | U-shaped well water-jet fracturing process | |
| CN204082116U (en) | Oil well horizontal well oil jacket is with note formula two envelope single deck tape-recorder volume fracturing tubing string | |
| CN208137872U (en) | A kind of jet stream de-plugging tubing string | |
| CN202659221U (en) | Horizontal well fracturing string | |
| CN103291260B (en) | Hydraulic jeting device | |
| CN204041042U (en) | A kind of coiled tubing drag fracturing tubing string | |
| CN105484721A (en) | Efficient fracturing construction technology tubular column for horizontal well and fracturing construction technology | |
| CN204457714U (en) | Jetting equipment and hydraulic jeting device thereof | |
| CN105756647A (en) | Hydraulic jet fracturing method adopting multi-stage and multi-cluster string fracturing and utilizing immobile strings | |
| CN201865652U (en) | Oil-gas deep well fracturing string |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170109 Address after: Chen Jiang Street 516006 Guangdong province Huizhou City Zhongkai high tech Zone Hui Yuan Road No. 10 Building No. Patentee after: Top energy technology (Huizhou) Co., Ltd. Address before: 518054 Guangdong city of Shenzhen province Nanshan District Hyde three days of the Central Business Plaza, 7 floor Patentee before: Petro-king Oilfield Technology Co., Ltd. |