CN201544128U - Hydraulic sand-blasting cutter - Google Patents
Hydraulic sand-blasting cutter Download PDFInfo
- Publication number
- CN201544128U CN201544128U CN2009202410024U CN200920241002U CN201544128U CN 201544128 U CN201544128 U CN 201544128U CN 2009202410024 U CN2009202410024 U CN 2009202410024U CN 200920241002 U CN200920241002 U CN 200920241002U CN 201544128 U CN201544128 U CN 201544128U
- Authority
- CN
- China
- Prior art keywords
- ball seat
- hydraulic sand
- guide shoe
- cutter
- blasting cutter
- 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
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- Earth Drilling (AREA)
Abstract
The utility model discloses a hydraulic sand-blasting cutter which is used for cutting downhole junk in downhole operation of an oilfield and a water well. The hydraulic sand-blasting cutter comprises a tube body (1), nozzles (3), a valve ball (4), a ball seat (5), a seal ring (6), and a guide shoe (7). The characteristics of the hydraulic sand-blasting cutter are as follows: the hydraulic sand-blasting cutter is cylindrical structure, and the center of the cylindrical structure is provided with a center hole (8); the upper end and the lower end of the tube body (1) are all provided with internal threads; three square gaps (2) are evenly distributed at the excircle of the lower end, and the three hard alloy nozzles (3) are evenly distributed on the square gap (2) at 120 DEG; the lower end of the tube body (1) is threadedly connected with the conical-head guide shoe (7), and the ball seat (5) is installed inside the guide shoe (7) and at the lower part of the nozzle (3); two seal grooves are arranged on the excircle of the ball seat (5), and the seal ring (6) is arranged in the seal groove; the valve ball (4) is located on the ball seat (5) in a sitting way. The hydraulic sand-blasting cutter with simple structure and convenient operation has wide application range without potential safety hazard, and can increase not only the efficiency of downhole salvage construction but also the technical level of downhole salvage.
Description
One, technical field:
The utility model relates to the kit of oilfield downhole operation cutting operation, particularly is a kind of hydraulic sand blasting cutter.
Two, background technology:
In the oilfield oil well workover treatment, for the tubing junk, when otherwise being difficult to handle, the normal method of cutting that adopts is handled, and employed cutting method has mechanical type cutting, energy gathering type cutting, chemical injecting type cutting etc.The mechanical type cutting is a kind of mode comparatively commonly used, but has following shortcoming: the one, and unconventional tubing string does not have suitable tools, and the 2nd, can not use for the heavy wall tubing string; Energy gathering type cutting is to use explosive, the cost height, and cut point is irregular, has potential safety hazard, can not adopt for poor quality's tubing string, injures sleeve pipe easily; It is too high that chemistry sprays cutting cost, and instrument equipment complexity is used less.
Three, summary of the invention:
The purpose of this utility model is exactly the above-mentioned defective that exists at prior art, for oil, well underground work job site provide a kind of wide accommodation, the better down-hole of effect cutting tool---hydraulic sand blasting cutter.
The technical solution of the utility model comprises: cylindrical shell, nozzle, valve ball, ball seat, sealing ring, guide shoe; It is characterized in that: described hydraulic sand blasting cutter is columnar structured, and the center is provided with centre bore, and the two ends up and down of cylindrical shell are equipped with internal thread, and uniform three sides lack on the cylindrical of lower end, 120 ° of uniform three carboloy nozzles on the side lacks; The cylindrical shell lower end is threaded with the conehead guide shoe, in the inside of the bottom of nozzle guide shoe ball seat is housed, and the cylindrical of ball seat is provided with the two seals groove, and sealing ring is housed in the seal groove, and valve ball is sitting on the ball seat.
According to the hydraulic sand blasting cutter that such scheme is made, simple in structure, easy to operate, there is not potential safety hazard, wide accommodation improves the down-hole and salvages efficiency of construction, improves down-hole fishing operation level.
Four, description of drawings:
Accompanying drawing is a structural representation of the present utility model.
In the accompanying drawing, the 1-cylindrical shell, 2-side lacks, 3-nozzle, 4-valve ball, 5-ball seat, 6-sealing ring, 7-guide shoe, 8-centre bore.
Five, the specific embodiment:
Below in conjunction with accompanying drawing enforcement of the present utility model is further described:
This hydraulic sand blasting cutter comprises: cylindrical shell 1, nozzle 3, valve ball 4, ball seat 5, sealing ring 6, guide shoe 7; Its hydraulic sand blasting cutter is columnar structured, and the center is provided with centre bore 8, and the two ends up and down of cylindrical shell 1 are equipped with internal thread, and uniform three sides lack 2 on the cylindrical of lower end, lacks 120 ° of uniform three carboloy nozzles 3 on 2 in the side; Cylindrical shell 1 lower end is threaded with conehead guide shoe 7, in the inside of the bottom of nozzle 3 guide shoe 7 ball seat 5 is housed, and the cylindrical of ball seat 5 is provided with the two seals groove, and sealing ring 6 is housed in the seal groove, and valve ball 4 is sitting on the ball seat 5.
Method of operating: at first, at first, select the cutter of various outer diameter according to tubing string in the well, being lowered into needs depth of cut, makes shower nozzle aim at cutting position, utilizes ground pump truck, abundant anti-circulation well cleanup, wash out the pit shaft booty, throwing valve ball 4 is sitting on the ball seat 5 to be suppressed, and the workover fluid that contains quartz sand is passed through the vectored injection of cutting shower nozzle, once construction can realize cutting at a plurality of points of difference, reach junk purpose in the cutting well, cut a plurality of positions, then repeat construction and get final product as need.
Claims (1)
1. one kind is used for oil field oil, well underground work, cuts the hydraulic sand blasting cutter of trouble of lost tool in hole, comprising: cylindrical shell (1), nozzle (3), valve ball (4), ball seat (5), sealing ring (6), guide shoe (7); It is characterized in that: described hydraulic sand blasting cutter is columnar structured, the center is provided with centre bore (8), the two ends up and down of cylindrical shell (1) are equipped with internal thread, and uniform three sides lack (2) on the cylindrical of lower end, lack (2) last 120 ° uniform three carboloy nozzles (3) in the side; Cylindrical shell (1) lower end is threaded with conehead guide shoe (7), in the inside of the bottom guide shoe (7) of nozzle (3) ball seat (5) is housed, and the cylindrical of ball seat (5) is provided with the two seals groove, and sealing ring (6) is housed in the seal groove, and valve ball (4) is sitting on the ball seat (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202410024U CN201544128U (en) | 2009-10-29 | 2009-10-29 | Hydraulic sand-blasting cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202410024U CN201544128U (en) | 2009-10-29 | 2009-10-29 | Hydraulic sand-blasting cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201544128U true CN201544128U (en) | 2010-08-11 |
Family
ID=42599288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202410024U Expired - Fee Related CN201544128U (en) | 2009-10-29 | 2009-10-29 | Hydraulic sand-blasting cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201544128U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102862224A (en) * | 2012-09-30 | 2013-01-09 | 东北石油大学 | Integral manufacturing device for rough surfaces of multi-phase casings |
| CN103862386A (en) * | 2014-03-14 | 2014-06-18 | 邓湘凌 | Water-cutting sand blasting pipe and manufacturing method thereof |
| CN105384328A (en) * | 2014-08-29 | 2016-03-09 | 株式会社太星技研 | A toughened glass cutting device adopting an abrasive blasting mode |
-
2009
- 2009-10-29 CN CN2009202410024U patent/CN201544128U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102862224A (en) * | 2012-09-30 | 2013-01-09 | 东北石油大学 | Integral manufacturing device for rough surfaces of multi-phase casings |
| CN102862224B (en) * | 2012-09-30 | 2014-08-27 | 东北石油大学 | Integral manufacturing device for rough surfaces of multi-phase casings |
| CN103862386A (en) * | 2014-03-14 | 2014-06-18 | 邓湘凌 | Water-cutting sand blasting pipe and manufacturing method thereof |
| CN103862386B (en) * | 2014-03-14 | 2016-04-27 | 邓湘凌 | The preparation method of Water Cutting blast tube |
| CN105384328A (en) * | 2014-08-29 | 2016-03-09 | 株式会社太星技研 | A toughened glass cutting device adopting an abrasive blasting mode |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100811 Termination date: 20111029 |