CN102287152A - Rotary jet sand cleaning method - Google Patents
Rotary jet sand cleaning method Download PDFInfo
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- CN102287152A CN102287152A CN2011101986160A CN201110198616A CN102287152A CN 102287152 A CN102287152 A CN 102287152A CN 2011101986160 A CN2011101986160 A CN 2011101986160A CN 201110198616 A CN201110198616 A CN 201110198616A CN 102287152 A CN102287152 A CN 102287152A
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- sand
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- centre bore
- sand removal
- rotary
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- 239000004576 sand Substances 0.000 title claims abstract description 97
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000004140 cleaning Methods 0.000 title abstract description 8
- 239000012530 fluid Substances 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 238000005086 pumping Methods 0.000 claims abstract description 8
- 210000002445 nipple Anatomy 0.000 claims description 25
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 238000011010 flushing procedure Methods 0.000 claims description 6
- 239000002244 precipitate Substances 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 4
- 239000004568 cement Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005406 washing Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 239000012634 fragment Substances 0.000 abstract description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract description 2
- 239000012459 cleaning agent Substances 0.000 abstract 1
- 239000011796 hollow space material Substances 0.000 abstract 1
- 239000003112 inhibitor Substances 0.000 abstract 1
- XQCFHQBGMWUEMY-ZPUQHVIOSA-N Nitrovin Chemical compound C=1C=C([N+]([O-])=O)OC=1\C=C\C(=NNC(=N)N)\C=C\C1=CC=C([N+]([O-])=O)O1 XQCFHQBGMWUEMY-ZPUQHVIOSA-N 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Landscapes
- Cleaning By Liquid Or Steam (AREA)
- Nozzles (AREA)
Abstract
A rotary jet sand cleaning method is applied to shaft bottom sand cleaning. The method comprises the following steps: A. connecting a shaft sand removal pipe column, putting the shaft sand removal pipe column into a well, and detecting the depth of a sand surface by using the shaft sand removal pipe column; B. lifting the shaft sand removal pipe column for 1-3 m; C. connecting a pump from the top of the shaft sand cleaning pipe and pumping liquid into the shaft sand cleaning pipe to impact settled sand at the bottom of the shaft; D. the flushed sand flows upwards in the oil sleeve hollow space together with the fluid, and the sand is precipitated downwards and sinks into the slotted sleeve; E. and (4) putting down the shaft sand removal pipe column, continuously washing sand to the designed construction well depth position, and taking out the shaft sand removal pipe column from the well to finish the rotary jet sand removal operation. The sand cleaning agent can clean sand setting, metal fragments, metal rust blocks and corrosion inhibitor cement at the bottom of a well, so that a production layer is exposed, and the sand cleaning efficiency is high.
Description
Technical field
The present invention relates to oilfield shaft bottom sand removal method, particularly a kind of rotary-jet sand removal method.
Background technology
In the oil gas well, because the iron rust of fracturing yield increasing transformation, formation sand production, tube corrosion and fine grained chippings and corrosion inhibiter cement are buried payzone, cause the oil gas well can not ordinary production, reproduce just needs the cleaning pit shaft, exposes payzone.After the oil gas well was produced a period of time in addition, strata pressure was low, the pit shaft cleaning mode in past generally be with drag bit or nib drill bit band with boring fishing cup or not being with sand-precipitating tube, construct success rate and operating efficiency of this operating type is all relatively low.
Chinese patent notification number: CN201705249U provides another kind of " horizontal well solid jet de-plugging tubing string ", is applied to horizontal well solid jet sand removal de-plugging.On the well head of ground, be fixed with self-sealing blowout preventer, in sleeve pipe and in the bottom of self-sealing blowout preventer, be hung with the seal operation tube.Annular space between flushing fluid import UNICOM's sleeve pipe and the seal operation tube.In the seal operation tube, be lowered to oil pipe, the annular space between flushing fluid outlet UNICOM's oil pipe and the seal operation tube.Upper end at each root oil pipe connects a backwash valve.Backwash valve is in the seal operation tube.Be connected with pit shaft liquid stream transformer in the oil pipe bottom that connects backwash valve.Lower end in pit shaft liquid stream transformer is connected with oil pipe, and the lower end of oil pipe is connected with the rotating jet well-washing device.Effect is: can realize the horizontal well continuous sand flushing de-plugging, not termination of pumping when the lengthening oil pipe moves forward the rotating jet well-washing device.
Summary of the invention
The objective of the invention is: a kind of rotary-jet sand removal method is provided, is mainly used in the oil gas well shaft, the sand setting at the bottom of the clear well, metal fragment, metal scale crust and corrosion inhibiter cement etc. realize exposing payzone.
The technical solution used in the present invention is: rotary-jet sand removal method may further comprise the steps:
A, connection pit shaft sand removal tubing string and G.I.H utilize pit shaft sand removal tubing string to detect the sand face degree of depth.The site operation personnel can finish.
B, on carry pit shaft sand removal tubing string 1～3m;
C, connect pump and pumping liquid from pit shaft sand removal pipe top, the pressure of pumping liquid is brought up to 5～20MPa, discharge capacity reaches 550～600L/min, and the rotation of waterpower rotary-jet shower nozzle and the inject high pressure fluid of pit shaft sand removal tubing string lower end impact the shaft bottom sand setting;
D, dashed sand with fluid in the oil jacket annular space on mobile, after taking the sand flow body and flowing through the oil sets annular space that slotted casing arrives slotted casing top, the flow velocity sand that slows down precipitates downwards and sinks between slotted casing and the oil pipe to form in the annular space and deposit, and liquid is through the seam outflow of the hole of slotted casing.
E, transfer pit shaft sand removal tubing string, continuous sand flushing trips out pit shaft sand removal tubing string in the well to the well depth position of designing and constructing, and is deposited on the sand that forms in the annular space between slotted casing and the oil pipe and is pulled out, finishes rotary-jet sand removal operation.
Described pit shaft sand removal tubing string is mainly buckled pipe nipple, jointing and waterpower rotary-jet shower nozzle by oil pipe, slotted casing, change and is formed.The lower end of oil pipe connects to become buckles pipe nipple; Described change button pipe nipple has centre bore into the cylinder bodily form, in the upper end that becomes the button pipe nipple internal thread is arranged, outer wall has external screw thread on becoming the button pipe nipple, becomes button pipe nipple upper end and connects slotted casing, form annular space between slotted casing and the oil pipe, form a space of collecting sand; Becoming button pipe nipple lower end has internal thread, is connected with jointing in the lower end that becomes the button pipe nipple, and jointing has external screw thread for the cylinder bodily form has centre bore and two ends, is connected with waterpower rotary-jet shower nozzle in the lower end of jointing.This pit shaft sand removal tubing string is lowered in the well of sand setting, pump into highly pressurised liquid from the upper end of oil pipe, waterpower rotary-jet shower nozzle is rotated injection, impact the shaft bottom sand setting, the shaft bottom sand setting is broken up and is upwards flowed with fluid, after taking the sand flow body and flowing through the annular space that slotted casing arrives slotted casing top, flow velocity slow down sand downwards precipitation enter to form in the annular space between slotted casing and the oil pipe and deposit, liquid is through the seam outflow of the hole of slotted casing.When from well, tripping out pit shaft sand removal tubing string, be deposited on the sand that forms in the annular space between slotted casing and the oil pipe and pulled out.
Described waterpower rotary-jet shower nozzle mainly is made up of main shaft, swivel head shell, needle bearing, thrust ball bearing, friction pair, swivel head and nozzle, and there is the oil pipe internal thread main shaft upper end, can connect oil pipe, and main shaft has centre bore, and centre bore is the fluid passage.Twice annular circlip groove is arranged on the outer wall of main shaft lower end, in twice annular circlip groove, a shaft block ring is arranged respectively, top needle bearing, annular gasket, top thrust ball bearing, bottom thrust ball bearing, annular gasket and bottom needle bearing are being arranged between the twice shaft block ring and on the outer wall of main shaft lower end from top to bottom; A rotational shell is arranged on the outer wall of top needle bearing, top thrust ball bearing, bottom thrust ball bearing and bottom needle bearing; Described rotational shell has centre bore for the cylinder bodily form, and the step of annular protrusion is arranged in the rotational shell centre bore; The top of the annular protrusion of the lower plane of top thrust ball bearing in the rotational shell centre bore, the bottom of the annular protrusion of last plane in the rotational shell centre bore of bottom thrust ball bearing; On the outer wall of rotational shell lower end screw thread is arranged, the swivel head screw thread is fixed on the lower end of rotational shell; There is step the lower end of spindle hole, a compression spring is arranged in the step ring bottom of spindle hole lower end, also there is the static friction sheet of annular friction pair the bottom of compression spring in the rotational shell centre bore, the movable friction plate of annular friction pair is arranged in swivel head centre bore upper end; Swivel head has centre bore, be fixed with a nozzle at the lower end of swivel head centre bore screw thread, and be evenly distributed with three inclined holes in the swivel head lower end, three inclined hole the inners are communicated with the swivel head centre bore, and the angle of inclined hole center line and rotational shell center line is between 35～45 degree; The outer end of three inclined holes is communicated with the reaction hole respectively, and the direction in three reaction holes is identical, and the end thread in three reaction holes is fixed with a nozzle.Fluid produces reaction force (rotating torque) and promotes swivel head and rotational shell rotation from the nozzle ejection in three reaction holes.
Described slotted casing is to be evenly distributed with the hole on the wall of sleeve pipe, and the hole on the described casing wall can be a circular aperture, and the diameter of circular aperture is between 0.5～3mm; Hole on the described casing wall also can be an oblong shaped orifices, and oblong shaped orifices is along the sleeve pipe axially-aligned, and the width of oblong shaped orifices is between 0.5～3mm.The length of described slotted casing is between 10～30m.
Beneficial effect of the present invention: rotary-jet sand removal method of the present invention forms rational flow field velocity, viscous stress and eddy stress and distributes, sand removal construction success rate height in the shaft bottom.And process pipe string of the present invention is simple in structure, quick detachable and assembling, dependable performance, on-the-spot sand removal efficient height.
Description of drawings
Fig. 1 is a waterpower rotary-jet nozzle structure generalized section of the present invention.
Fig. 2 is a pit shaft sand removal tubular column structure generalized section of the present invention.
Among the figure, 1-main shaft, 2-rotational shell, the 3-needle bearing, 4-thrust ball bearing, 5-friction pair, the 6-swivel head, 7-nozzle, 8-shaft block ring, the 9-anti-turn screw, 10-annular gasket, 11-asphaltic felt, the 12-bolt, 13-oil pipe, 14-slotted casing, 15-becomes button pipe nipple, 16-jointing, 17-waterpower rotary-jet shower nozzle.
The specific embodiment
Embodiment 1: rotary-jet sand removal method may further comprise the steps:
A, connection pit shaft sand removal tubing string and G.I.H utilize pit shaft sand removal tubing string to detect the sand face degree of depth.
B, on carry pit shaft sand removal tubing string 1.5m;
C, connect pump and pumping liquid from pit shaft sand removal pipe top, the pressure of pumping liquid is brought up to 10MPa, discharge capacity reaches 550L/min, and the rotation of waterpower rotary-jet shower nozzle and the inject high pressure fluid of pit shaft sand removal tubing string lower end impact the shaft bottom sand setting;
D, dashed sand with fluid in the oil jacket annular space on mobile, after taking the sand flow body and flowing through the oil sets annular space that slotted casing 14 arrives slotted casings 14 tops, the flow velocity sand that slows down precipitates downwards and sinks between slotted casing 14 and the oil pipe 13 to form in the annular space and deposit, and liquid is through the seam outflow of the hole of slotted casing 14.
E, transfer pit shaft sand removal tubing string, continuous sand flushing trips out pit shaft sand removal tubing string in the well to the well depth position of designing and constructing, and is deposited on to form the interior sand of annular space between slotted casing 14 and the oil pipe 13 and pulled out, finishes rotary-jet sand removal operation.
Spray the method for operating of each step of sand removal, the site operation personnel can finish.
Consult Fig. 2.Pit shaft sand removal tubing string is buckled pipe nipple 15, jointing 16 and above-mentioned waterpower rotary-jet shower nozzle 17 and is formed by oil pipe 13, slotted casing 14, change.The lower end of oil pipe 13 connects a change and buckles pipe nipple 15.Described change button pipe nipple 15 has internal thread into the cylinder bodily form has centre bore in the upper end that becomes button pipe nipple 15, at change button pipe nipple 15 upper end outer walls external screw thread is arranged, and becomes button pipe nipple 15 upper ends and connects slotted casing 14, forms annular space between slotted casing 14 and the oil pipe 13.
Described slotted casing 14 is to be evenly distributed with oblong shaped orifices on the wall of sleeve pipe, and oblong shaped orifices is along the sleeve pipe axially-aligned, and the width of oblong shaped orifices is 0.5mm; The length of described slotted casing 14 is 20m (being the length of two ordinary casing).
There is internal thread the lower end that becomes button pipe nipple 15, is connected with jointing 16 in the lower end that becomes button pipe nipple 15, and jointing 16 has external screw thread for the cylinder bodily form has centre bore and two ends, is connected with a waterpower rotary-jet shower nozzle 17 in the lower end of jointing 16.
Consult Fig. 1.Waterpower rotary-jet shower nozzle mainly is made up of main shaft 1, swivel head shell 2, needle bearing 3, thrust ball bearing 4, friction pair 5, swivel head 6 and nozzle 7, and there is the oil pipe internal thread main shaft 1 upper end.Main shaft 1 has centre bore, and centre bore is the fluid passage.
Twice annular circlip groove is arranged on the main shaft 1 lower end outer wall, in twice annular circlip groove, a shaft block ring 8 is arranged respectively, between the twice shaft block ring 8 and on main shaft 1 lower end outer wall top needle bearing 3, annular gasket 10, top thrust ball bearing 4, bottom thrust ball bearing 4, annular gasket 10 and bottom needle bearing 3 are being arranged from top to bottom; A rotational shell 2 is arranged on the outer wall of top needle bearing 3, top thrust ball bearing 4, bottom thrust ball bearing 4 and bottom needle bearing 3.Described rotational shell 2 has centre bore for the cylinder bodily form, and the step of annular protrusion is arranged in rotational shell 2 centre bores.The top of the annular protrusion of the lower plane of top thrust ball bearing 4 in rotational shell 2 centre bores, the bottom of the annular protrusion of the last plane of bottom thrust ball bearing 4 in rotational shell 2 centre bores.On rotational shell 2 lower end outer walls screw thread is arranged, swivel head 6 screw threads are fixed on the lower end of rotational shell 2.And on the wall of swivel head 6 screw hole is arranged, anti-turn screw 9 is arranged in the screw hole of swivel head 6, anti-turn screw 9 screws, and the inner end of anti-turn screw 9 compresses rotational shell 2 lower end screw threads.
There is step the lower end of main shaft 1 centre bore, a compression spring is arranged in the step ring bottom of main shaft 1 centre bore lower end, also there is the static friction sheet of annular friction pair 5 bottom of compression spring in rotational shell 2 centre bores, the movable friction plate of annular friction pair 5 is arranged in swivel head 6 centre bores upper end.Swivel head 6 has centre bore, at the lower end screw thread of the swivel head 6 centre bores nozzle 7 that to be fixed with a diameter of bore be 6mm.And be evenly distributed with three inclined holes in swivel head 6 lower ends, three inclined hole the inners are communicated with swivel head 6 centre bores, and the angle of inclined hole center line and rotational shell 2 center lines is 45 degree.The outer end of three inclined holes is communicated with the reaction hole respectively, and the direction in three reaction holes is identical, the nozzle 7 that it is 6mm that the end thread in three reaction holes is fixed with a diameter of bore.
Oblique screw is arranged, the annular space UNICOM between the inner of oblique screw and main shaft 1 and the rotational shell 2 on the upper step of main shaft 1; The asphaltic felt 11 of 11, one annulars of asphaltic felt that is with two annulars on main shaft 1 lower end outer wall is on top shaft block ring 8, and another annular asphaltic felt 11 is under bottom shaft block ring 8; Fix a bolt 12 in the oblique screw on main shaft 1 upper step.
Claims (5)
1. rotary-jet sand removal method is characterized in that may further comprise the steps:
A, connection pit shaft sand removal tubing string and G.I.H utilize pit shaft sand removal tubing string to detect the sand face degree of depth;
B, on carry pit shaft sand removal tubing string 1～3m;
C, connect pump and pumping liquid from pit shaft sand removal pipe top, the pressure of pumping liquid is brought up to 5～20MPa, discharge capacity reaches 550～600L/min, and the rotation of waterpower rotary-jet shower nozzle and the inject high pressure fluid of pit shaft sand removal tubing string lower end impact the shaft bottom sand setting;
D, dashed sand with fluid in the oil jacket annular space on mobile, after taking the sand flow body and flowing through the oil sets annular space that slotted casing (14) arrives slotted casing (14) top, the flow velocity sand that slows down precipitates downwards and sinks between slotted casing (14) and the oil pipe (13) to form in the annular space and deposit, and liquid is through the seam outflow of the hole of slotted casing (14);
E, transfer pit shaft sand removal tubing string, continuous sand flushing trips out pit shaft sand removal tubing string in the well to the well depth position of designing and constructing, and is deposited on to form the interior sand of annular space between slotted casing (14) and the oil pipe (13) and pulled out, finishes rotary-jet sand removal operation.
2. rotary-jet sand removal method according to claim 1 is characterized in that: the pit shaft sand removal tubing string of employing, and mainly buckle pipe nipple (15), jointing (16) and waterpower rotary-jet shower nozzle (17) and form by oil pipe (13), slotted casing (14), change; The lower end of oil pipe (13) connects to become buckles pipe nipple (15); Described change button pipe nipple (15) has centre bore into the cylinder bodily form, in the upper end that becomes button pipe nipple (15) internal thread is arranged, outer wall has external screw thread on becoming button pipe nipple (15), becomes button pipe nipple (15) upper end and connects slotted casing (14), forms annular space between slotted casing (14) and the oil pipe (13); There is internal thread the lower end that becomes button pipe nipple (15), be connected with jointing (16) in the lower end that becomes button pipe nipple (15), jointing (16) has external screw thread for the cylinder bodily form has centre bore and two ends, is connected with waterpower rotary-jet shower nozzle (17) in the lower end of jointing (16).
3. rotary-jet sand removal method according to claim 2, it is characterized in that: described waterpower rotary-jet shower nozzle, mainly form by main shaft (1), swivel head shell (2), needle bearing (3), thrust ball bearing (4), friction pair (5), swivel head (6) and nozzle (7), there is the oil pipe internal thread main shaft (1) upper end, it is the fluid passage that main shaft (1) has centre bore, centre bore; Twice annular circlip groove is arranged on the outer wall of main shaft (1) lower end, in twice annular circlip groove, a shaft block ring (8) is arranged respectively, between the twice shaft block ring (8) and on the outer wall of main shaft (1) lower end top needle bearing (3), annular gasket (10), top thrust ball bearing (4), bottom thrust ball bearing (4), annular gasket (10) and bottom needle bearing (3) are being arranged from top to bottom; On the outer wall of top needle bearing (3), top thrust ball bearing (4), bottom thrust ball bearing (4) and bottom needle bearing (3), a rotational shell (2) is arranged; Described rotational shell (2) has centre bore for the cylinder bodily form, and the step of annular protrusion is arranged in rotational shell (2) centre bore; The top of the annular protrusion of the lower plane of top thrust ball bearing (4) in rotational shell (2) centre bore, the bottom of the annular protrusion of the last plane of bottom thrust ball bearing (4) in rotational shell (2) centre bore; On the outer wall of rotational shell (2) lower end screw thread is arranged, swivel head (6) screw thread is fixed on the lower end of rotational shell (2); There is step the lower end of main shaft (1) centre bore, a compression spring is arranged in the step ring bottom of main shaft (1) centre bore lower end, also there is the static friction sheet of annular friction pair (5) bottom of compression spring in rotational shell (2) centre bore, the movable friction plate of annular friction pair (5) is arranged in swivel head (6) centre bore upper end; Swivel head (6) has centre bore, is fixed with a nozzle (7) at the lower end screw thread of swivel head (6) centre bore; And be evenly distributed with three inclined holes in swivel head (6) lower end, three inclined hole the inners are communicated with swivel head (6) centre bore, and the angle of inclined hole center line and rotational shell (2) center line is between 35～45 degree; The outer end of three inclined holes is communicated with the reaction hole respectively, and the direction in three reaction holes is identical, and the end thread in three reaction holes is fixed with a nozzle (7).
4. according to claim 2 or 3 described rotary-jet sand removal methods, it is characterized in that: described slotted casing (14) is to be evenly distributed with the hole on the wall of sleeve pipe, and the hole on the described casing wall is a circular aperture, and the diameter of circular aperture is between 0.5～3mm.
5. according to claim 2 or 3 described rotary-jet sand removal methods, it is characterized in that: described slotted casing (14) is to be evenly distributed with the hole on the wall of sleeve pipe, hole on the described casing wall is an oblong shaped orifices, oblong shaped orifices is along the sleeve pipe axially-aligned, and the width of oblong shaped orifices is between 0.5～3mm; The length of described slotted casing (14) is between 10～30m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110198616.0A CN102287152B (en) | 2011-07-15 | 2011-07-15 | Rotary jet sand cleaning method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110198616.0A CN102287152B (en) | 2011-07-15 | 2011-07-15 | Rotary jet sand cleaning method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102287152A true CN102287152A (en) | 2011-12-21 |
| CN102287152B CN102287152B (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110198616.0A Active CN102287152B (en) | 2011-07-15 | 2011-07-15 | Rotary jet sand cleaning method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109132317A (en) * | 2017-06-27 | 2019-01-04 | 中国石油天然气集团公司 | A kind of sand-removal device for underground water seal pit hole storage cavern sleeve |
| CN109296325A (en) * | 2018-10-10 | 2019-02-01 | 东北石油大学 | Jetting type wellbore cleaning means |
| CN110606604A (en) * | 2019-09-30 | 2019-12-24 | 新中天环保股份有限公司 | Cooling crystallization system for salt-containing wastewater |
| CN115179240A (en) * | 2022-09-08 | 2022-10-14 | 上海海事大学 | Flexible sealing plunger pump and maintenance equipment |
| CN115628021A (en) * | 2022-10-28 | 2023-01-20 | 西南石油大学 | Along with boring shaft bottom sand removal instrument |
| TWI804324B (en) * | 2022-05-20 | 2023-06-01 | 黃建源 | Nozzle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2489092Y (en) * | 2001-05-31 | 2002-05-01 | 俞建祥 | Underwell sand settling device |
| WO2002055225A1 (en) * | 2001-01-05 | 2002-07-18 | Toshimi Honda | Method and device for washing pipes |
| CN2576962Y (en) * | 2002-04-04 | 2003-10-01 | 北京安东奥尔工程技术有限责任公司 | Desilting pipe |
| CN2683846Y (en) * | 2003-05-02 | 2005-03-09 | 中国石油集团科学技术研究院江汉机械研究所 | Pipe column desilting equipment |
| CN2737991Y (en) * | 2004-11-03 | 2005-11-02 | 朱泽军 | Sand device on oil pumping pump |
| CN101806203A (en) * | 2010-03-31 | 2010-08-18 | 重庆大学 | High-pressure hydraulic rotary plug-removing device |
-
2011
- 2011-07-15 CN CN201110198616.0A patent/CN102287152B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002055225A1 (en) * | 2001-01-05 | 2002-07-18 | Toshimi Honda | Method and device for washing pipes |
| CN2489092Y (en) * | 2001-05-31 | 2002-05-01 | 俞建祥 | Underwell sand settling device |
| CN2576962Y (en) * | 2002-04-04 | 2003-10-01 | 北京安东奥尔工程技术有限责任公司 | Desilting pipe |
| CN2683846Y (en) * | 2003-05-02 | 2005-03-09 | 中国石油集团科学技术研究院江汉机械研究所 | Pipe column desilting equipment |
| CN2737991Y (en) * | 2004-11-03 | 2005-11-02 | 朱泽军 | Sand device on oil pumping pump |
| CN101806203A (en) * | 2010-03-31 | 2010-08-18 | 重庆大学 | High-pressure hydraulic rotary plug-removing device |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109132317A (en) * | 2017-06-27 | 2019-01-04 | 中国石油天然气集团公司 | A kind of sand-removal device for underground water seal pit hole storage cavern sleeve |
| CN109296325A (en) * | 2018-10-10 | 2019-02-01 | 东北石油大学 | Jetting type wellbore cleaning means |
| CN109296325B (en) * | 2018-10-10 | 2020-10-30 | 东北石油大学 | Jet-type well cleaning tool |
| CN110606604A (en) * | 2019-09-30 | 2019-12-24 | 新中天环保股份有限公司 | Cooling crystallization system for salt-containing wastewater |
| TWI804324B (en) * | 2022-05-20 | 2023-06-01 | 黃建源 | Nozzle |
| CN115179240A (en) * | 2022-09-08 | 2022-10-14 | 上海海事大学 | Flexible sealing plunger pump and maintenance equipment |
| CN115179240B (en) * | 2022-09-08 | 2022-11-25 | 上海海事大学 | Flexible sealing plunger pump and maintenance equipment |
| CN115628021A (en) * | 2022-10-28 | 2023-01-20 | 西南石油大学 | Along with boring shaft bottom sand removal instrument |
| CN115628021B (en) * | 2022-10-28 | 2024-05-07 | 西南石油大学 | Sand removal tool while drilling bottom |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102287152B (en) | 2014-06-04 |
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