CN2731085Y - Hydraulic self-feeding speed adjustable rotary sand flushing deblocking device - Google Patents
Hydraulic self-feeding speed adjustable rotary sand flushing deblocking device Download PDFInfo
- Publication number
- CN2731085Y CN2731085Y CN 200420030039 CN200420030039U CN2731085Y CN 2731085 Y CN2731085 Y CN 2731085Y CN 200420030039 CN200420030039 CN 200420030039 CN 200420030039 U CN200420030039 U CN 200420030039U CN 2731085 Y CN2731085 Y CN 2731085Y
- Authority
- CN
- China
- Prior art keywords
- cylindric
- well
- centralizer
- nozzle
- screwed connection
- 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 - Fee Related
Links
Images
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model relates to a hydraulic self-feeding speed adjustable rotary sand flushing deblocking device used for the underground working of a well with complex construction in a horizontal well, a sidetracked hole, a well with big movement, a branch well, etc. which comprises a spray head assembly, a clog preventing valve, a rotator, a damper, and a centralizer. A sand flushing nozzle, a dynamic nozzle, etc., in the spray head assembly are technically and mainly adopted to form a rotary jet flow for impacting a perforation and a blasthole, and cleaning the clog of the near well by making use of the high pressure water jet flow and the conical shell jet flow. The damper limits the speed of the nozzles by adopting a rotor and centrifugal deceleration. The centralizer ensures that the device is centered. Meanwhile, a spray head and the rotator is in flexible connection to ensure the transference of the rotary torque. The techniques that the clog preventing valve is used for preventing the clog of a flow passage by mortar, etc., solve the problems of sand sedimentation and the clog of a horizontal well section in the prior art. The utility model can be widely applied to the underground working of the well with complex construction in the sidetracked hole, the horizontal well, the well with big movement, the branch well, etc.
Description
Technical field:
The utility model relates to the waterpower self-advancing type adjustable speed rotation sand washing plug-removing device that complex structural well underground work such as a kind of horizontal well, sidetracked hole, extended reach well, Multilateral Wells are used.
Background technology:
Complex structural wells such as present oilfield horizontal well, sidetracked hole, extended reach well, Multilateral Wells, in oil recovery because of seriously shake out and oil layer blocking reduce output or stopping production, present common directional well sand washing is deepened the sand washing nib and is broken up the shaft bottom sand plug by sand cleaning fluid with the sand washing tubing string, but for the complex structural well of hole deviation above 60 °, the influence of the friction of tubing string and sleeve pipe makes ground can not judge the truth of the pressure of the drill when deepening tubing string, cause sending the blindness of brill, cause accidents such as suppressing pump, plugging post; The horizontal segment length of complex structural well, horizontal segment screen casing internal diameter is little, and the top borehole size is big, and when making common Work machine sand washing, discharge capacity does not reach requirement, and the sand washing operational difficulty is difficult to solve the sand setting problem of horizontal segment; Complex structural well, the oil reservoir bare area is big, utilizes sieve tube completion at payzone section majority, in subsequent production, easily form sand arch, the wax in the crude oil, the formation scaling that asphalitine material and volume increase, augmented injection, operation cause outside the oil reservoir screen casing, stop up pore constriction, have a strong impact on the oil reservoirs effective permeability.Therefore, be badly in need of a kind of sand washing de-plugging instrument that is suitable for complex structural well.
The utility model content:
In order to overcome problems of the prior art, the utility model provides a kind of waterpower self-advancing type adjustable speed rotation sand washing plug-removing device, it is to change the stress of sand washing nib in the shaft bottom, change hydrodynamic force into and initiatively draw by passive the sending to of drill string, reduce frictional force, solve the pressure of the drill transmission and the effective control problem in ground; Change the motion state of sand washing nib in the shaft bottom, it is compound with slip to change the waterpower rotation into by pure slip; Applying high voltage sprays removes the near wellbore zone obstruction; Be provided with anti-blocking facility in case after the termination of pumping mortar return or send and bore the too fast sand plug sand washing tubing string that causes.By above-mentioned measure realized waterpower from advance, speed limit rotation, turbulent flow take sand, functions such as deep layer de-plugging have solved complex structural well sand washing operation sand setting, have taken the problem of sand, the pressure of the drill transmission, sand plug tubing string.
The technical scheme that its technical problem that solves the utility model adopts is: the utility model is at the sand washing difficulty that actual conditions caused such as big, the horizontal segment length of complex structural well hole angle, top borehole size be big, problems such as payzone vulnerable to pollution obstruction are developed, and this device is made up of shower nozzle assembly, anti-blocking valve, circulator, resistance device, centralizer five parts.The sand washing nozzle adopts the conical shell jet nozzle, and operation liquid is flowed through to be accelerated behind the nozzle and formed the taper rotating jet simultaneously, and producing jet impact force and rotational shear masterpiece, to be used in sand plug upper punch loose sand stifled, and carry on the sand grains and return; The couple nozzle is a fan nozzle, radially installs along sprayer body with certain tool face angle, produces moment under jet action, drives shower nozzle and rotates, and the perforation borehole is impacted in radial jet simultaneously, clears up nearly well band and stops up, and reaches the removal of bridge formation purpose; Power jet is designed to cylindrical spout, utilizes the recoil strength generation tractive force forward of high-pressure water jet to act on the shower nozzle, forces shower nozzle to travel forward; Shower nozzle rotation and conical shell rotating jet make and bottom-hole flow field shape rising in the shape of a spiral reach efficient sand removal de-plugging; Operation liquid quickens through the nozzle throttling, and jet velocity increases substantially, and forms turbulent flow, make the liquid upward velocity surpass the sand grains slippage velocity more than 10 times, has solved horizontal segment sand setting problem under the little situation of ground installation discharge capacity; Resistance mud device adopts rotor to slow down and centrifugal deceleration facilities, and the shower nozzle rotating speed is limited in 250～300r/min, has overcome lubricated cooling of jet atomization phenomenon and sealing pair even inefficacy seize phenomenon; Centralizer is to guarantee that this device is placed in the middle in sleeve pipe, make between sand washing tubing string and the sleeve pipe to contact and become a contact by face, become rolling friction by sliding friction, reduce frictional resistance significantly, shower nozzle adopts continuous reeled tubing to connect with circulator simultaneously, can guarantee the transmission of turning moment, can make shower nozzle be in floating free state again under the effect of jet recoil strength, be not subjected to the radial constraint of upper drilling string and sleeve pipe, reduce the rotation power consumption; Anti-blocking valve flows down at liquid and opens runner when capable, and liquid flows closing passage when up, prevents that mortar from stopping up runner.
The beneficial effects of the utility model are, this apparatus structure compactness, and the sand washing de-plugging is carried out simultaneously, can reduce cost significantly, can reduce oil reservoir secondary damage and pollution; Shower nozzle rotation and conical shell rotating jet make bottom-hole flow field be the shape of threads rising, reach efficient sand removal de-plugging; Operation liquid quickens through the nozzle throttling, and jet velocity increases substantially, and forms turbulent flow, make the liquid upward velocity surpass the sand grains slippage velocity more than 10 times, has solved horizontal segment sand setting problem under the little situation of ground installation discharge capacity.Realized waterpower from advance, sand is taken in speed limit rotation, turbulent flow, deep layer is separated plugging function, solved complex structural well sand washing operation sand setting, taken the technical barrier of sand, the pressure of the drill transmission, sand plug tubing string.
Description of drawings:
Fig. 1 is an overall structure schematic diagram of the present utility model.
Fig. 2 is a The field schematic diagram of the present utility model.
Among the figure 1, the sand washing nozzle, 2, the couple nozzle, 3, power jet, 4, nozzle cage, 5, copper washer, 6, unidirectional spoiler, 7, anti-blocking valve seat, 8, sprayer body, 9, rods, 10, hollow rotary shaft, 11, gland, 12, the V-type filler, 13, damping agent, 14, rotor, 15, centrifugal sleeve, 16, bearing, 17, circlip, 18, the damper shell, 19, steel ball, 20, wearing bush, 21, adjust ring, 22, the oiling screw, 23, rotatable stator, 24, the centralizer urceolus, 25, steel ball, 26, mandrel, 27, joint, 1-1, waterpower self-advancing type adjustable speed rotation sand washing plug-removing device, 2-2, the sand washing tubing string, 3-3, tractor hoist, 4-4, cementing truck, 5-5, sand plug, 6-6, the perforation borehole.。
The specific embodiment:
In Fig. 1, this device is made of shower nozzle assembly, anti-blocking valve, circulator, damper, centralizer five parts:
A, shower nozzle assembly: helical form sand washing nozzle 1, cylindric fan-shaped couple nozzle 2, cylindric streamlined power jet 3 are enclosed within thin tubular nozzle cage 4 endoporus, seal nozzle cage 4 and 8 screwed connections of hollow cone shape sprayer body in the end with copper washer 5; Sand washing nozzle 1 is contained in sprayer body 8 ends, couple nozzle 2, power jet 3 all with certain phase angle along sprayer body 8 radial distribution;
B, anti-blocking valve: the thimble of the unidirectional spoiler 6 of disk shape is inserted in the bore hole of the discoid anti-blocking valve seat 7 that is provided with uniform circular hole passage, and its underpart is contacted formation liquid down going channel with 4 cylindrical projection on the sprayer body 8 inner chamber round table surface;
C, circulator: use rods 9 with cylindric hollow rotary shaft 10 and sprayer body 8 screwed connections, with cylindrical roller ball bearing 16 and hollow rotary shaft 10 interference fit, be contained in its two ends, bearing 16 and cylindric damper shell 18 interference fit, cylindric gland 11 and the 18 lower end screwed connections of damper shell, upwards push V-type filler 12, and be fixed in hollow rotary shaft 10 lower ends, and be fixed between bearing 16 and the damper shell 18, again with cylindric gland 11 and the 18 lower end screwed connections of damper shell, cylindric wearing bush 20 inner chambers are equipped with steel ball 19, be fixed on hollow rotary shaft 10 upper ends, cylindric rotatable stator 23 has the oiling duct to be communicated to bearing, the duct is stopped up by oiling screw 22, and rotatable stator 23 and the 18 upper end screwed connections of damper shell push circlip 17 downwards, adjust ring 21, rigid bearing 16, oiling screw 22 and rotatable stator 23 screwed connections;
D, damper: in damper shell 18 inner chambers, be full of thick liquid nano damping agent 13, impeller shape rotor 14 and hollow rotary shaft 10 screwed connections, cylindric centrifuge shield 15 outer walls and damper shell 18 inwalls have a gap, freely press between metal (upper 16;
E, centralizer: with screen casing shape centralizer urceolus 24 lower ends and rotatable stator 23 upper ends and joint 27 screwed connections, steel ball 25 is placed in the sieve aperture of centralizer urceolus 24, cylindric mandrel 26 is fixed in centralizer urceolus 24 chambeies.
In Fig. 2,1-1 is connected on the sand washing tubing string 2-2 with waterpower self-advancing type adjustable speed rotation sand washing plug-removing device, delivers to 5m place, sand face top, shaft bottom with tractor hoist 3-3, the circulation of cementing truck 4-4 turn on pump, and the utility model is started working.Under the effect of jet recoil strength, the shower nozzle rotation, and produce tractive force forward, act on sand washing tubing string 2-2 lower end, dragging the sand washing tubing string moves forward along horizontal segment, break up sand plug 5-5 under jet impact force effect and the effect of rotational shear power, high-pressure spray penetrates perforation borehole 6-6 and clears up nearly well band obstruction simultaneously, returns on the high-speed jet band sand grains.
Claims (1)
1, a kind of waterpower self-advancing type adjustable speed rotation sand washing plug-removing device, it is characterized in that: this device is made of shower nozzle assembly, anti-blocking valve, circulator, damper, centralizer five parts:
A, shower nozzle assembly: helical form sand washing nozzle (1), cylindric fan-shaped couple nozzle (2), cylindric streamlined power jet (3) are enclosed within thin tubular nozzle cage (4) endoporus, seal nozzle cage (4) and hollow cone shape sprayer body (8) screwed connection with copper washer (5) in the end; Sand washing nozzle (1) is contained in sprayer body (8) end, couple nozzle (2), power jet (3) all with certain phase angle along sprayer body (8) radial distribution;
B, anti-blocking valve: the thimble of the unidirectional spoiler of disk shape (6) is inserted in the bore hole of the discoid anti-blocking valve seat (7) that is provided with uniform circular hole passage, and its underpart contacted with (4) individual cylindrical projection on sprayer body (8) the inner chamber round table surface, form the liquid down going channel;
C, circulator: use rods (9) with cylindric hollow rotary shaft (10) and sprayer body (8) screwed connection, with cylindrical roller ball bearing (16) and hollow rotary shaft (10) interference fit, be contained in its two ends, bearing (16) and cylindric damper shell (18) interference fit, cylindric gland (11) and damper shell (18) lower end screwed connection, upwards push V-type filler (12), and be fixed in hollow rotary shaft (10) lower end, and be fixed between bearing (16) and the damper shell (18), again with cylindric gland (11) and damper shell (18) lower end screwed connection, cylindric wearing bush (20) inner chamber is equipped with steel ball (19), be fixed on hollow rotary shaft (10) upper end, cylindric rotatable stator (23) has the oiling duct to be communicated to bearing, the duct is stopped up by oiling screw (22), rotatable stator (23) and damper shell (18) upper end screwed connection, push circlip (17) downwards, adjust ring (21), rigid bearing (16), oiling screw (22) and rotatable stator (23) screwed connection;
D, damper: in damper shell (18) inner chamber, be full of thick liquid nano damping agent (13), impeller shape rotor (14) and hollow rotary shaft (10) screwed connection, cylindric centrifuge shield (15) outer wall and damper shell (18) inwall have a gap, freely press between metal (upper (16);
E, centralizer: with screen casing shape centralizer urceolus (24) lower end and rotatable stator (23) upper end and joint (27) screwed connection, steel ball (25) is placed in the sieve aperture of centralizer urceolus (24), cylindric mandrel (26) is fixed in centralizer urceolus (24) chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420030039 CN2731085Y (en) | 2004-01-05 | 2004-01-05 | Hydraulic self-feeding speed adjustable rotary sand flushing deblocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420030039 CN2731085Y (en) | 2004-01-05 | 2004-01-05 | Hydraulic self-feeding speed adjustable rotary sand flushing deblocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2731085Y true CN2731085Y (en) | 2005-10-05 |
Family
ID=35051422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420030039 Expired - Fee Related CN2731085Y (en) | 2004-01-05 | 2004-01-05 | Hydraulic self-feeding speed adjustable rotary sand flushing deblocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2731085Y (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101806203A (en) * | 2010-03-31 | 2010-08-18 | 重庆大学 | High-pressure hydraulic rotary plug-removing device |
| CN101949270A (en) * | 2010-10-18 | 2011-01-19 | 大庆油田有限责任公司 | High-pressure hydrocyclone sand washing device |
| CN102777140A (en) * | 2012-07-20 | 2012-11-14 | 中国石油化工股份有限公司 | Multidirectional jet sand washing device |
| CN103061712A (en) * | 2012-12-24 | 2013-04-24 | 中国石油大学(北京) | Rotary flow pickling method and device for removing contaminations in near-wellbore area of oil and gas well |
| CN101358526B (en) * | 2007-06-14 | 2013-10-02 | 普拉德研究及开发股份有限公司 | Downhole tool and method for unsticking tool shell from wellhole wall |
| CN103721876A (en) * | 2013-12-18 | 2014-04-16 | 新疆通奥油田技术服务有限公司 | Nozzle and cleaning device |
| CN104043219A (en) * | 2014-06-12 | 2014-09-17 | 安徽理工大学 | Rotary self-propelled fire extinguishing head |
| CN105401901A (en) * | 2015-12-02 | 2016-03-16 | 成都科创佳思科技有限公司 | Petroleum down-hole cleaning device |
| CN104405311B (en) * | 2014-10-17 | 2016-09-07 | 西南石油大学 | A kind of high-efficiency self formula horizontal well hydraulic sand washing instrument |
| CN106368640A (en) * | 2016-10-28 | 2017-02-01 | 中国石油集团渤海钻探工程有限公司 | Process method for salvaging irregular falling object in oil pipe and solving tubular column sand jam by adopting coiled tubing |
| CN107457098A (en) * | 2017-10-10 | 2017-12-12 | 台州博拓里尼机械有限公司 | self-rotating nozzle |
| CN110295859A (en) * | 2019-08-06 | 2019-10-01 | 成都阿斯贝瑞科技有限公司 | A kind of rotation well-flushing tool with fluid damping deceleration device |
| CN110318695A (en) * | 2019-08-06 | 2019-10-11 | 成都阿斯贝瑞科技有限公司 | A kind of fluid damping is rotated in deceleration well-flushing tool |
| CN112761555A (en) * | 2019-11-04 | 2021-05-07 | 中国石油天然气股份有限公司 | Drifting, well washing and sand washing integrated downhole operation tool and operation method |
| CN113338829A (en) * | 2021-06-01 | 2021-09-03 | 中海油田服务股份有限公司 | Rotary speed-limiting jetting tool |
| CN107143295B (en) * | 2017-05-08 | 2023-02-21 | 新疆华隆油田科技股份有限公司 | Self-climbing rotary pulse movable sand washing device |
-
2004
- 2004-01-05 CN CN 200420030039 patent/CN2731085Y/en not_active Expired - Fee Related
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101358526B (en) * | 2007-06-14 | 2013-10-02 | 普拉德研究及开发股份有限公司 | Downhole tool and method for unsticking tool shell from wellhole wall |
| CN101806203B (en) * | 2010-03-31 | 2012-08-01 | 重庆大学 | High-pressure hydraulic rotary plug-removing device |
| CN101806203A (en) * | 2010-03-31 | 2010-08-18 | 重庆大学 | High-pressure hydraulic rotary plug-removing device |
| CN101949270A (en) * | 2010-10-18 | 2011-01-19 | 大庆油田有限责任公司 | High-pressure hydrocyclone sand washing device |
| CN102777140B (en) * | 2012-07-20 | 2015-09-02 | 中国石油化工股份有限公司 | Multidirectional jet flow sand washing machine |
| CN102777140A (en) * | 2012-07-20 | 2012-11-14 | 中国石油化工股份有限公司 | Multidirectional jet sand washing device |
| CN103061712B (en) * | 2012-12-24 | 2016-01-27 | 中国石油大学(北京) | A kind of eddy flow acid washing method removed Oil/gas Well near wellbore zone and pollute |
| CN103061712A (en) * | 2012-12-24 | 2013-04-24 | 中国石油大学(北京) | Rotary flow pickling method and device for removing contaminations in near-wellbore area of oil and gas well |
| CN103721876A (en) * | 2013-12-18 | 2014-04-16 | 新疆通奥油田技术服务有限公司 | Nozzle and cleaning device |
| CN103721876B (en) * | 2013-12-18 | 2016-03-30 | 新疆通奥油田技术服务有限公司 | Shower nozzle and cleaning device |
| CN104043219A (en) * | 2014-06-12 | 2014-09-17 | 安徽理工大学 | Rotary self-propelled fire extinguishing head |
| CN104043219B (en) * | 2014-06-12 | 2016-09-28 | 安徽理工大学 | A kind of rotation self-advancing type fire extinguishing sprayer |
| CN104405311B (en) * | 2014-10-17 | 2016-09-07 | 西南石油大学 | A kind of high-efficiency self formula horizontal well hydraulic sand washing instrument |
| CN105401901A (en) * | 2015-12-02 | 2016-03-16 | 成都科创佳思科技有限公司 | Petroleum down-hole cleaning device |
| CN106368640A (en) * | 2016-10-28 | 2017-02-01 | 中国石油集团渤海钻探工程有限公司 | Process method for salvaging irregular falling object in oil pipe and solving tubular column sand jam by adopting coiled tubing |
| CN106368640B (en) * | 2016-10-28 | 2018-11-20 | 中国石油集团渤海钻探工程有限公司 | Using the process of junk and solution tubing string sand card special-shaped in coiled tubing fishing oil pipe |
| CN107143295B (en) * | 2017-05-08 | 2023-02-21 | 新疆华隆油田科技股份有限公司 | Self-climbing rotary pulse movable sand washing device |
| CN107457098A (en) * | 2017-10-10 | 2017-12-12 | 台州博拓里尼机械有限公司 | self-rotating nozzle |
| CN110295859A (en) * | 2019-08-06 | 2019-10-01 | 成都阿斯贝瑞科技有限公司 | A kind of rotation well-flushing tool with fluid damping deceleration device |
| CN110318695A (en) * | 2019-08-06 | 2019-10-11 | 成都阿斯贝瑞科技有限公司 | A kind of fluid damping is rotated in deceleration well-flushing tool |
| CN112761555A (en) * | 2019-11-04 | 2021-05-07 | 中国石油天然气股份有限公司 | Drifting, well washing and sand washing integrated downhole operation tool and operation method |
| CN113338829A (en) * | 2021-06-01 | 2021-09-03 | 中海油田服务股份有限公司 | Rotary speed-limiting jetting tool |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2731085Y (en) | Hydraulic self-feeding speed adjustable rotary sand flushing deblocking device | |
| CN205172478U (en) | Spiral washes instrument in pit | |
| CN202108436U (en) | Hydraulic auto-rotation jet head for washing well | |
| CN105275400B (en) | A kind of novel hydropower oscillator of vertical valve arrangement | |
| CN103256007B (en) | Underground dynamic pressurizing drilling rig | |
| CN103422814B (en) | Oil drilling three-dimensional waterpower vibrator | |
| CN103382828B (en) | The two-dimentional hydraulic vibrator of oil drilling | |
| CN109653691B (en) | Hydraulic and mechanical compound controllable rock debris bed cleaning tool | |
| CN202611591U (en) | Three-dimensional waterpower vibrator for petroleum drilling | |
| CN104165027A (en) | Three-dimensional turbine vibrator for petroleum drilling | |
| CN104033106A (en) | Radial sidetrack drilling rotating self-propelled porous jet flow drill bit | |
| CN107013170B (en) | A kind of hydraulic rotary guide shoe | |
| CN106703720B (en) | A kind of drilling rig of steel wire drive | |
| CN101824966A (en) | Device for jetting ultrashort radius horizontal hole by using high-pressure water | |
| CN203905824U (en) | Rotary self-propelled type multi-hole jet drill bit for radial side tracking | |
| CN103806833A (en) | High-speed rock-breaking drill tool | |
| CN105298421A (en) | Speed-limited rotary cutting tool of coiled tubing abrasive water jetting | |
| CN107435520A (en) | A kind of hydroscillator of runner power | |
| CN107288540B (en) | A kind of oil/gas drilling volume increase connection makees device and method | |
| CN110748311A (en) | Pulse jet rock debris cleaning tool | |
| CN106837171B (en) | A kind of compact reservoir radial direction boring means external member | |
| CN203050571U (en) | High-pressure rotational flow blockage removing process pipe column for horizontal well | |
| CN106703728A (en) | Reciprocating rotating bidirectional replacement device | |
| CN203603805U (en) | Coiled tubing sand washing well-flushing tool | |
| CN102518398B (en) | Self-advancing type high-pressure jet sprayer for radial horizontal well drilling |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |