CN204851179U - Coiled tubing multiphase cleaning means - Google Patents
Coiled tubing multiphase cleaning means Download PDFInfo
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- CN204851179U CN204851179U CN201520503911.6U CN201520503911U CN204851179U CN 204851179 U CN204851179 U CN 204851179U CN 201520503911 U CN201520503911 U CN 201520503911U CN 204851179 U CN204851179 U CN 204851179U
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Abstract
The utility model discloses a coiled tubing multiphase cleaning means belongs to coiled tubing well -flushing operation technology field. This cleaning means includes spray gun (1) and jet orifice (2), spray gun (1) is the hollow circular cylinder, sprays section (103), third injection section (104) and fourth including linkage segment (101) connected in order, first injection section (102), second and sprays section (105), linkage segment (101) are provided with a coupling mechanism (4), first injection section (102), the second sprays section (103), the third sprays section (104), the fourth sprays first jet orifice (201) that section (105) and spray gun (1) bottom surface set up the axis downward sloping respectively, axis horizontally second jet orifice (202), axis tilt up's third jet orifice (203), fourth jet orifice (204) and vertical the 5th jet orifice (205) of axis of axis downward sloping. Water passes through coiled tubing and gets into the not equidirectional blowout of this cleaning means back -porch, the wide coverage, and the cleaning performance is good.
Description
Technical field
The utility model relates to coiled tubing clean-out service technical field, particularly a kind of coiled tubing leggy cleaning means.
Background technology
In oilfield development process, due to degradation factor under gas-oil ratio reduction, formation temperature in strata pressure decline, recovery process, in oil well production process, produce wax and a large amount of dirts.Wax deposition fouling may occur in any position of well system, as in pit shaft or in stratum.Wax deposition fouling is the common destructive problem of in oil well production process, is the key factor of restriction crude oil production.
Usually coiled tubing is utilized to clean well system at present.One end of coiled tubing is connected with ground pump truck, enters in oil well under the other end, and water enters coiled tubing by ground pump truck and sprays from coiled tubing delivery port thus realize the cleaning to well system.The cleaning means controlling water (flow) direction is installed at coiled tubing water outlet, the diverse location of well system is cleaned.When formation is cleaned, water sprays downwards in coiled tubing; When cleaning shaft in wall, water sprays with certain angle in coiled tubing.
Realizing in process of the present utility model, designer finds that prior art at least exists following problem: the existing coiled tubing that utilizes cleans in the process of oil well, when cleaning well system diverse location, needs to change different cleaning meanss, complicated operation, efficiency is lower.
Utility model content
For solving the problems of the technologies described above, the utility model provide a kind of can simultaneously to the coiled tubing leggy cleaning means that well system diverse location cleans.
Specifically, following technical scheme is comprised:
A kind of coiled tubing leggy cleaning means, described cleaning means comprises spray gun and spray-hole; Described spray gun is hollow circular cylinder, and described spray-hole to be arranged on spray gun and to be communicated with described spray gun inside; Described spray gun comprises the linkage section, the first jet segment, the second jet segment, the 3rd jet segment and the 4th jet segment that connect in turn; Described linkage section is positioned at the top of described spray gun and is provided with the first bindiny mechanism, for being connected with coiled tubing; Described first jet segment arranges the first spray-hole, and the axis of described first spray-hole is downward-sloping; Described second jet segment arranges the second spray-hole, and the axis of described second spray-hole is horizontal direction; Described 3rd jet segment arranges the 3rd spray-hole, the axis inclined upwards of described 3rd spray-hole; Described 4th jet segment arranges the 4th spray-hole, and the axis of described 4th spray-hole is downward-sloping; The bottom surface of described spray gun arranges the 5th spray-hole, and the axis of described 5th spray-hole is vertical direction.
Preferably, the external surface of described first jet segment is taper surface, and the external surface of described second jet segment is the face of cylinder, and the external surface of described 3rd jet segment is taper surface, and the external surface of described 4th jet segment is taper surface.
Further, described cleaning means also comprises: nozzle, and it is inner that described nozzle is arranged on described spray-hole, and described nozzle is provided with centre bore, and the gross area of described centre bore is less than cross sectional area in described coiled tubing; The second bindiny mechanism cooperatively interacted is provided with between described nozzle outer surface and described spray-hole inner surface.
Preferably, the axis of described first spray-hole and the angle of horizontal direction are 20 ° ~ 30 °, and the described axis of the 3rd spray-hole and the angle of horizontal direction are 20 ° ~ 30 °, and the described axis of the 4th spray-hole and the angle of horizontal direction are 20 ° ~ 30 °.
Preferably, the axis of described first spray-hole and the angle of horizontal direction are 25 °, and the described axis of the 3rd spray-hole and the angle of horizontal direction are 25 °, and the described axis of the 4th spray-hole and the angle of horizontal direction are 25 °.
Preferably, the quantity of described first spray-hole, the second spray-hole, the 3rd spray-hole and the 4th spray-hole is multiple, and the quantity of described 5th spray-hole is 1.
Preferably, described first spray-hole, the second spray-hole, the 3rd spray-hole and the 4th spray-hole are uniformly distributed along the circumferencial direction of described first jet segment, the second jet segment, the 3rd jet segment and the 4th jet segment external surface respectively.
Preferably, described first spray-hole, the second spray-hole, the 3rd spray-hole and the 4th spray-hole are positioned at different perpendiculars.
Preferably, between described first spray-hole, the second spray-hole, the 3rd spray-hole and the 4th spray-hole, distance is vertically 250 ~ 350mm.
Preferably, between described first spray-hole, the second spray-hole, the 3rd spray-hole and the 4th spray-hole, distance is vertically 300mm.
Preferably, described first bindiny mechanism is AMMT screw thread box, and described second bindiny mechanism is NPT screw buckle.
The beneficial effect of the technical scheme that the utility model embodiment provides is:
The coiled tubing leggy cleaning means that the utility model embodiment provides, be inclined upwardly by arranging on spray gun, the spray-hole of the different axis direction such as downward-sloping, horizontal direction and vertical direction, thus water is sprayed from spray gun along different directions, the fouling wax deposition at diverse location place in well system is cleaned.The cleaning means structure that the utility model embodiment provides is simple, and easy to operate, can clean well system diverse location, wide coverage, cleaning efficiency is high, effective simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the coiled tubing leggy cleaning means that Fig. 1 provides for the utility model embodiment;
The structural representation of the coiled tubing leggy cleaning means nozzle that Fig. 2 provides for the utility model embodiment and spray-hole;
Fig. 3 is the sectional drawing of Fig. 2.
Reference numeral in figure represents respectively:
1, spray gun; 101, linkage section; 102, the first jet segment; 103, the second jet segment; 104, the 3rd jet segment; 105, the 4th jet segment;
2, spray-hole; 201, the first spray-hole; 202, the second spray-hole; 203, the 3rd spray-hole; 204, the 4th spray-hole; 205, the 5th spray-hole;
3, nozzle; 4, the first bindiny mechanism; 5, the second bindiny mechanism.
Detailed description of the invention
For making the technical solution of the utility model and advantage clearly, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
The utility model embodiment provides a kind of coiled tubing leggy cleaning means, and see Fig. 1, this cleaning means comprises spray gun 1 and spray-hole 2; Described spray gun 1 is hollow circular cylinder, and described spray-hole 2 to be arranged on spray gun 1 and to be communicated with described spray gun 1 inside;
Described spray gun 1 comprises linkage section 101, first jet segment 102, second jet segment 103, the 3rd jet segment 104 and the 4th jet segment 105 that connect in turn;
Described linkage section 101 is positioned at the top of described spray gun 1 and is provided with the first bindiny mechanism 4, for being connected with coiled tubing; Described first jet segment 102 arranges the first spray-hole 201, and the axis of described first spray-hole 201 is downward-sloping; Described second jet segment 103 arranges the second spray-hole 202, and the axis of described second spray-hole 202 is horizontal direction; Described 3rd jet segment 104 arranges the 3rd spray-hole 203, the axis inclined upwards of described 3rd spray-hole 203; Described 4th jet segment 105 arranges the 4th spray-hole 204, and the axis of described 4th spray-hole 204 is downward-sloping; The bottom surface of described spray gun 1 arranges the 5th spray-hole 205, and the axis of described 5th spray-hole 205 is vertical direction.
The operating principle of the coiled tubing leggy cleaning means that the utility model embodiment provides is: utilize the first bindiny mechanism 4 being positioned at spray gun 1 linkage section 101 to be connected with coiled tubing connector this cleaning means, thus this cleaning means is connected and with entering under coiled tubing in oil well with coiled tubing, water is delivered to coiled tubing by ground pump truck and enters spray gun 1 inside, then spray from spray-hole 2, the lowering velocity of coiled tubing and the pressure discharge capacity of current are controlled by ground pump truck.Because the axis of the first spray-hole 201 is downward-sloping, the axis of the second spray-hole 202 is horizontal direction, the axis inclined upwards of the 3rd spray-hole 203, the axis of the 4th spray-hole 204 is downward-sloping, the axis of the 5th spray-hole 205 is vertical direction, therefore, axis direction along spray-hole sprays to different directions by current, thus the fouling wax deposition being positioned at well system diverse location is cleaned, such as, by the first spray-hole 201, second spray-hole 202, the water of the 3rd spray-hole 203 and the ejection of the 4th spray-hole 204 can clean shaft in wall, the water sprayed from the 5th spray-hole 205 can formation clean.The cleaning means structure that the utility model embodiment provides is simple, easy to operate, cleaning wide coverage, cleanliness without any pollution.
In above-mentioned cleaning means, due to the first spray-hole 201, all there is angle with horizontal direction in the axis direction of the 3rd spray-hole 203 and the 4th spray-hole 204, for the ease of arranging above-mentioned spray-hole on spray gun 1, can by the external surface of corresponding first jet segment 102, the external surface of the 3rd jet segment 104 and the external surface of the 4th jet segment 105 are set to taper surface, make the first spray-hole 201, the axis of the 3rd spray-hole 203 and the 4th spray-hole 204 respectively with the external surface of the first jet segment 102, the external surface of the 3rd jet segment 104 and the external surface of the 4th jet segment 105 vertical.As shown in Figure 1, because the axis of the first spray-hole 201 and the 4th spray-hole 204 is downward-sloping, therefore, the external surface of corresponding first jet segment 102 and the 3rd jet segment 105 is back taper, and one end that namely cross-sectional area is less is downward.3rd jet segment 204 external surface at the 3rd spray-hole 203 place is positive taper, and second jet segment 203 external surface at the second spray-hole 202 place is the face of cylinder.The external surface of the 4th jet segment 105 being positioned at spray gun 1 lower end is set to back taper, guide effect can be played for the movement of cleaning means in oil well in addition.
In above-mentioned cleaning means, in order to improve pressure when current spray from spray-hole 2, nozzle 3 can also be set in each spray-hole 2 inside.The scheme of installation of nozzle 3 in spray-hole 2 inside as shown in Figures 2 and 3.Nozzle 3 is provided with centre bore, and the gross area of its centre bore is less than cross sectional area in coiled tubing, can play the effect of throttling like this, increases impact force during current ejection, fouling wax deposition is smashed, thus improve cleaning performance.It is inner that nozzle 3 utilizes the second bindiny mechanism 5 cooperatively interacted be arranged between nozzle 3 external surface and spray-hole 2 inner surface to be arranged on spray-hole 2.
In above-mentioned cleaning means, in order to improve cleaning performance, designer is optimized the first spray-hole 201, the 3rd spray-hole 203 and the axis of the 4th spray-hole 204 and the angle of horizontal direction according to working experience.Wherein, the axis of the first spray-hole 201 and the angle of horizontal direction are preferably 20 ° ~ 30 °, more preferably 25 °; The axis of the 3rd spray-hole 203 and the angle of horizontal direction preferably 20 ° ~ 30 °, more preferably 25 °; The axis of the 4th spray-hole 204 and the angle of horizontal direction are preferably 20 ° ~ 30 °, more preferably 25 °.
In above-mentioned cleaning means, the quantity of the first spray-hole 201, second spray-hole 202, the 3rd spray-hole 203 and the 4th spray-hole 204 is multiple, such as 3,4 etc.The quantity of the 5th spray-hole 205 includes but not limited to 1.When the quantity of the first spray-hole 201, second spray-hole 202, the 3rd spray-hole 203 and the 4th spray-hole 204 is multiple, its distribution mode on corresponding jet segment does not have strict restriction, but in order to make water outlet more even, preferably the first spray-hole 201, second spray-hole 202, the 3rd spray-hole 203 and the 4th spray-hole 204 are uniformly distributed along the circumferencial direction of the first jet segment 102, second jet segment 103, the 3rd jet segment 104 and the 4th jet segment 105 external surface respectively.And preferably the first spray-hole 201, second spray-hole 202, the 3rd spray-hole 203 and the 4th spray-hole 204 are arranged on different perpendiculars, larger area can be cleaned like this.Be 3 for the quantity of the first spray-hole 201, second spray-hole 202, the 3rd spray-hole 203 and the 4th spray-hole 204, the distribution mode of above-mentioned spray-hole as shown in Figure 1.120 °, interval arrangement between each spray-hole being in same jet segment, spaced apart with 30 °, longitudinal phase angle between the spray-hole being in different jet segment.
In above-mentioned cleaning means, between the first spray-hole 201, second spray-hole 202, the 3rd spray-hole 203 and the 4th spray-hole 204, distance is vertically preferably 250 ~ 350mm, more preferably 300mm.
In above-mentioned cleaning means, the connector of coiled tubing is provided with AMMT screw thread pin thread usually, and therefore, for the ease of being connected with coiled tubing, the first bindiny mechanism 4 of spray gun 1 linkage section 101 is AMMT screw thread box.The second bindiny mechanism for connecting spray-hole 2 and nozzle 3 is preferably NPT screw buckle, and NPT screw thread is a kind of tapered thread, is not easy to loosen.
In above-mentioned cleaning means, spray gun 1 preferably adopts high strength alloy steel materials processing, and after forging and stamping, heat treatment, bearing capacity can reach 50MPa, and adopts the method for numerical control shaping, and precision is higher.Spray-hole 2 and nozzle 3 preferably adopt the processing of import carbide alloy, and application life can reach more than 10000 times.
The above is only understand the technical solution of the utility model for the ease of those skilled in the art, not in order to limit the utility model.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a coiled tubing leggy cleaning means, is characterized in that, described cleaning means comprises spray gun (1) and spray-hole (2); Described spray gun (1) is hollow circular cylinder, and described spray-hole (2) is arranged on spray gun (1) and goes up and be communicated with described spray gun (1) inside;
Described spray gun (1) comprises the linkage section (101), the first jet segment (102), the second jet segment (103), the 3rd jet segment (104) and the 4th jet segment (105) that connect in turn;
Described linkage section (101) is positioned at the top of described spray gun (1) and is provided with the first bindiny mechanism (4), for being connected with coiled tubing;
Described first jet segment (102) arranges the first spray-hole (201), and the axis of described first spray-hole (201) is downward-sloping;
Described second jet segment (103) arranges the second spray-hole (202), and the axis of described second spray-hole (202) is horizontal direction;
Described 3rd jet segment (104) arranges the 3rd spray-hole (203), the axis inclined upwards of described 3rd spray-hole (203);
Described 4th jet segment (105) arranges the 4th spray-hole (204), and the axis of described 4th spray-hole (204) is downward-sloping;
The bottom surface of described spray gun (1) arranges the 5th spray-hole (205), and the axis of described 5th spray-hole (205) is vertical direction.
2. cleaning means according to claim 1, it is characterized in that, the external surface of described first jet segment (102) is taper surface, the external surface of described second jet segment (103) is the face of cylinder, the external surface of described 3rd jet segment (104) is taper surface, and the external surface of described 4th jet segment (105) is taper surface.
3. cleaning means according to claim 1, is characterized in that, described cleaning means also comprises:
Nozzle (3), it is inner that described nozzle (3) is arranged on described spray-hole (2), and described nozzle (3) is provided with centre bore, and the gross area of described centre bore is less than cross sectional area in described coiled tubing; The second bindiny mechanism (5) cooperatively interacted is provided with between described nozzle (3) external surface and described spray-hole (2) inner surface.
4. cleaning means according to claim 1, it is characterized in that, the described axis of the first spray-hole (201) and the angle of horizontal direction are 20 ° ~ 30 °, the described axis of the 3rd spray-hole (203) and the angle of horizontal direction are 20 ° ~ 30 °, and the described axis of the 4th spray-hole (204) and the angle of horizontal direction are 20 ° ~ 30 °.
5. cleaning means according to claim 4, it is characterized in that, the described axis of the first spray-hole (201) and the angle of horizontal direction are 25 °, the described axis of the 3rd spray-hole (203) and the angle of horizontal direction are 25 °, and the described axis of the 4th spray-hole (204) and the angle of horizontal direction are 25 °.
6. cleaning means according to claim 1, it is characterized in that, the quantity of described first spray-hole (201), the second spray-hole (202), the 3rd spray-hole (203) and the 4th spray-hole (204) is multiple, and the quantity of described 5th spray-hole (205) is 1.
7. cleaning means according to claim 6, it is characterized in that, described first spray-hole (201), the second spray-hole (202), the 3rd spray-hole (203) and the 4th spray-hole (204) are uniformly distributed along the circumferencial direction of described first jet segment (102), the second jet segment (103), the 3rd jet segment (104) and the 4th jet segment (105) external surface respectively.
8. cleaning means according to claim 7, it is characterized in that, described first spray-hole (201), the second spray-hole (202), the 3rd spray-hole (203) and the 4th spray-hole (204) are positioned at different perpendiculars.
9. cleaning means according to claim 1, it is characterized in that, between described first spray-hole (201), the second spray-hole (202), the 3rd spray-hole (203) and the 4th spray-hole (204), distance is vertically 250 ~ 350mm.
10. cleaning means according to claim 9, it is characterized in that, between described first spray-hole (201), the second spray-hole (202), the 3rd spray-hole (203) and the 4th spray-hole (204), distance is vertically 300mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520503911.6U CN204851179U (en) | 2015-07-13 | 2015-07-13 | Coiled tubing multiphase cleaning means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520503911.6U CN204851179U (en) | 2015-07-13 | 2015-07-13 | Coiled tubing multiphase cleaning means |
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| Publication Number | Publication Date |
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| CN204851179U true CN204851179U (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520503911.6U Active CN204851179U (en) | 2015-07-13 | 2015-07-13 | Coiled tubing multiphase cleaning means |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017137693A (en) * | 2016-02-03 | 2017-08-10 | 株式会社大林組 | Washing method of underground hole wall |
| CN112502647A (en) * | 2020-11-12 | 2021-03-16 | 中国石油大学(北京) | Bore positioning cleaning assembly, unconventional reservoir bore positioning jetting tool and method |
-
2015
- 2015-07-13 CN CN201520503911.6U patent/CN204851179U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017137693A (en) * | 2016-02-03 | 2017-08-10 | 株式会社大林組 | Washing method of underground hole wall |
| CN112502647A (en) * | 2020-11-12 | 2021-03-16 | 中国石油大学(北京) | Bore positioning cleaning assembly, unconventional reservoir bore positioning jetting tool and method |
| CN112502647B (en) * | 2020-11-12 | 2022-02-25 | 中国石油大学(北京) | Bore positioning cleaning assembly, unconventional reservoir bore positioning jetting tool and method |
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