CN201902187U - Multifunctional reverse circulation fragment fishing barrel - Google Patents
Multifunctional reverse circulation fragment fishing barrel Download PDFInfo
- Publication number
- CN201902187U CN201902187U CN2010205852522U CN201020585252U CN201902187U CN 201902187 U CN201902187 U CN 201902187U CN 2010205852522 U CN2010205852522 U CN 2010205852522U CN 201020585252 U CN201020585252 U CN 201020585252U CN 201902187 U CN201902187 U CN 201902187U
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- CN
- China
- Prior art keywords
- barrel
- door
- valve
- tube
- main body
- 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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Abstract
The utility model discloses a multifunctional reverse circulation fragment fishing barrel, which is provided with a barrel body, wherein the barrel body comprises an upper connector barrel, a main body barrel and a mill shoe barrel; screw threads connected with an externally connected drill rod are arranged on the inner wall of the upper opening of the upper connector barrel; a plurality of sealed valves are arranged on the wall of the upper connector barrel, and each sealing valve comprises a door plate, a door shaft, a top spring and a sealing gasket; a plurality of upper spanner holes are arranged on the outer wall of the upper connector barrel body; the upper end of the main body barrel is connected with the upper connector barrel through the screw threads; a plurality of upper backstop pins are arranged at the joint of the upper connector barrel and the main body barrel; the lower end of the main body barrel is connected with the upper end of the mill shoe barrel through screw threads; a plurality of lower backstop pins are arranged at the joint of the main body barrel and the mill shoe barrel; a multifunctional valve which can only be opened upwards is arranged at the lower end of the main body barrel; milling teeth with downward tooth tips are arranged at the lower end of the mill shoe barrel; hard alloy granular layers are fixedly arranged on the outer surfaces of the milling teeth; and a plurality of lower spanner holes are arranged on the outer wall of the mill shoe barrel. The multifunctional reverse circulation fragment fishing barrel is suitable for fishing fragments in a drilling well, adopts a perfect structure, is convenient and flexible to use, and achieves good fishing effect.
Description
Technical field
The utility model relates to a kind of oil well operation auxiliary equipment, specifically is a kind of when being used for the oil well operation, a kind of fishing socket that trouble of lost tool in hole is salvaged.Be a kind of anti-circulation theory that utilizes, easy and simple to handle, the novel down-hole fishing tool of better effects if.
Background technology
At present, in the oil well operation, omit in the down-hole and fall various tool and foreign material are situations about often having.The instrument of these down-holes and foreign material cause a lot of unfavorable and potential danger for operation, operation and the maintenance of oil well.Therefore, it is a kind of requisite salvaging them, crucial work.At present, fishing tool commonly used generally is a principle of utilizing direct circulation, foreign material is drunk up, or lift up with hook class instrument.Though these instruments also have certain effect, their operation and effect are all not ideal enough.Now, the oil gas well operations must be equipped with preventer, convenience is provided for anti-cycle operation, therefore, needs to propose a kind of anti-circulation theory that utilizes, and the topology update grain husk is more perfect, is convenient to operation, the fishing tool of better effects if.
The utility model content
The purpose of this utility model is in order to solve the problems of the technologies described above, propose a kind of multi-functional anti-circulation fishing socket that minces, it utilizes the blowout prevention structure of oil well, and the pardon that has demonstrated fully reverse circular technique is good, the characteristics that the junk loss is few, be provided with the milling parts, broken foreign material and suction are dragged for chip operation and are carried out simultaneously, can be in order to salvage as steel ball, the pincers tooth, various rigidity such as shell mat and flexibility mince, and be easy to operate, effective.
The purpose of this utility model is achieved through the following technical solutions: the multi-functional anti-circulation fishing socket that minces, be provided with cylindrical shell, it is characterized in that: described cylindrical shell is by the top connection tube, body tube and junk mill tube constitute, described top connection tube is the cylindrical shape of both ends open, inwall suitable for reading is provided with the screw thread that is connected with external drilling well drilling bar, on barrel, be provided with several sealing valve, the sealing valve is provided with door-plate, this door-plate can be fixed in the groove on the top connection drum outer wall by sealing valve door-hinge with opening and closing, the inboard, upper end of door-plate is provided with the top spring of door-plate other end roof pressure on the water outlet open-work, described water outlet open-work is located at and seals in the valve groove on the top connection barrel, the inboard of the corresponding water outlet open-work of door-plate is provided with sealing mat, also is provided with spanner hole on several on the outer wall of top connection cylindrical shell; Described body tube is the tubular of upper and lower opening, its the upper end with described top connection tube by being threaded, two cylindrical shell junctions are provided with retaining pin on several, the length of body tube is set to plurality of specifications, the upper end of its lower end and described junk mill tube is by being threaded, the junction is provided with a plurality of retaining pins down, lower end at the body tube, be provided with the valve of using that upwards to open with the top of junk mill tube connecting thread more, should many constitute by two door leafs with valve, the door leaf side is provided with uses valve door-hinge, below to be provided with the door shield that is fixed on the body tube inwall more; The lower end of described junk mill tube is provided with the downward milling tooth of crown, and the appearance of this milling tooth is fixed with the hard alloy particle layer, and the junk mill drum outer wall is provided with several spanner holes down.
The utility model further improves and the additional project of enforcement is:
Described many can be closed fully in the middle of the two-door fan with valve, also can be the structure that leaves the slit in the middle of the two-door fan, the structure that leaves the slit is convenient to salvaging than long materials, needs only its termination is blocked and can be proposed.
The inner termination of described upper and lower retaining pin is protruding sphere shape, and the bottom surface of the pin hole that it is corresponding is a concave spherical.
When fishing socket of the present utility model uses, the lower end of drilling rod is connected with the top connection tube, fishing socket is put into foreign material position, down-hole, close the preventer of oil well, in well, pressurize, rotate drilling rod and fishing socket simultaneously, the down-hole foreign material under the borehole pressure effect, are negative pressure by junk mill tube milling fragmentation in the fishing socket, broken foreign material are pressed in the fishing socket, how upwards opening with valve, foreign material enter in the body tube, on when carrying, how to be closed, and not block and can open downwards by door shield with valve.During last carrying, when the outer pressure of fishing socket reduced, the water in fishing socket and the drilling rod can be emitted by the sealing valve, realizes anhydrous operation on the raised platform around a well at the sealing valve that is provided with on the top connection tube.
Therefore, it is comparatively perfect, easy and simple to handle to the utlity model has structure, salvages effectively, salvages the efficient height, and can realize the advantage of the anhydrous operation of raised platform around a well.
Description of drawings
Fig. 1 is of the present utility model many with closed fully structural representation in the middle of the two-door fan of valve;
Fig. 2 is the structural representation that leaves the slit in the middle of many two-door fans with valve of the present utility model;
Fig. 3 is a structural representation of the present utility model.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is described further: embodiment: referring to accompanying drawing, the multi-functional anti-circulation fishing socket that minces, be provided with cylindrical shell, described cylindrical shell is by top connection tube 1, body tube 6 and junk mill tube 9 constitute, described top connection tube is the cylindrical shape of both ends open, inwall suitable for reading is provided with the screw thread 11 that is connected with external drilling rod, on barrel, be provided with several sealing valve 2, the sealing valve is provided with door-plate 23, in the groove that this door-plate can be fixed on the top connection drum outer wall by sealing valve door-hinge 22 with opening and closing, the inboard, upper end of door-plate is provided with the top spring 21 of door-plate lower end roof pressure on water outlet open-work 3, described water outlet open-work is located at and seals in the valve groove on the top connection barrel, the inboard of the corresponding water outlet open-work of door-plate is provided with sealing mat 24, also is provided with spanner hole 4 on several on the outer wall of top connection cylindrical shell; Described body tube is the tubular of upper and lower opening, its the upper end with described top connection tube by being threaded, two cylindrical shell junctions are provided with retaining pin 5 on several, the length of body tube is set to plurality of specifications, the upper end of its lower end and described junk mill tube 9 is by being threaded, the junction is provided with a plurality of retaining pins 8 down, lower end at the body tube, be provided with upwards to open many with the top of junk mill tube connecting thread with valve 7, should use valve by two door leafs 72 more, 73 constitute, the door leaf side is provided with many with valve door-hinge 71, and the below is provided with the door shield 74 that is fixed on the body tube inwall; The lower end of described junk mill tube is provided with the downward milling tooth 91 of crown, and the appearance of this milling tooth is fixed with the hard alloy particle layer, and the junk mill drum outer wall is provided with several spanner holes 41 down.Described many be closure fully in the middle of the two-door fan with valve; The inner termination of described upper and lower retaining pin is protruding sphere shape, and the bottom surface of the pin hole that it is corresponding is a concave spherical.
Should be pointed out that for those skilled in the art under the prerequisite that does not break away from the utility model principle, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (3)
1. multi-functional anti-circulation fishing socket that minces, be provided with cylindrical shell, it is characterized in that: described cylindrical shell is by top connection tube (1), body tube (6) and junk mill tube (9) constitute, described top connection tube is the cylindrical shape of both ends open, inwall suitable for reading is provided with the screw thread (11) that is connected with external drilling rod, on barrel, be provided with several sealing valve (2), the sealing valve is provided with door-plate (23), this door-plate can be fixed in the groove on the top connection drum outer wall by sealing valve door-hinge (22) with opening and closing, the inboard, upper end of door-plate is provided with the top spring (21) of door-plate lower end roof pressure on water outlet open-work (3), described water outlet open-work is located at and seals in the valve groove on the top connection barrel, the inboard of the corresponding water outlet open-work of door-plate is provided with sealing mat (24), also is provided with spanner hole on several (4) on the outer wall of top connection cylindrical shell; Described body tube is the tubular of upper and lower opening, its the upper end with described top connection tube by being threaded, two cylindrical shell junctions are provided with retaining pin (5) on several, the length of body tube is set to plurality of specifications, the upper end of its lower end and described junk mill tube (9) is by being threaded, the junction is provided with a plurality of retaining pins (8) down, lower end at the body tube, be provided with upwards to open many with the top of junk mill tube connecting thread with valve (7), should use valve by two door leafs (72 more, 73) constitute, the door leaf side is provided with many with valve door-hinge (71), and the below is provided with the door shield (74) that is fixed on the body tube inwall; The lower end of described junk mill tube is provided with the downward milling tooth (91) of crown, and the appearance of this milling tooth is fixed with the hard alloy particle layer, and the junk mill drum outer wall is provided with several spanner holes (41) down.
2. fishing socket according to claim 1 is characterized in that: described many be closed fully in the middle of the two-door fan with valve, or two-doorly fan the middle structure that leaves the slit.
3. fishing socket according to claim 1 is characterized in that: the inner termination of described upper and lower retaining pin is protruding sphere shape, and the bottom surface of the pin hole that it is corresponding is a concave spherical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205852522U CN201902187U (en) | 2010-11-01 | 2010-11-01 | Multifunctional reverse circulation fragment fishing barrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205852522U CN201902187U (en) | 2010-11-01 | 2010-11-01 | Multifunctional reverse circulation fragment fishing barrel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201902187U true CN201902187U (en) | 2011-07-20 |
Family
ID=44272787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205852522U Expired - Fee Related CN201902187U (en) | 2010-11-01 | 2010-11-01 | Multifunctional reverse circulation fragment fishing barrel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201902187U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102704880A (en) * | 2012-05-09 | 2012-10-03 | 中国石油天然气股份有限公司 | Fracture fixed core sleeve mill shoe |
| CN107060679A (en) * | 2017-04-25 | 2017-08-18 | 西南石油大学 | A kind of screw rod hydraulic returnable fishing tool |
-
2010
- 2010-11-01 CN CN2010205852522U patent/CN201902187U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102704880A (en) * | 2012-05-09 | 2012-10-03 | 中国石油天然气股份有限公司 | Fracture fixed core sleeve mill shoe |
| CN107060679A (en) * | 2017-04-25 | 2017-08-18 | 西南石油大学 | A kind of screw rod hydraulic returnable fishing tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110720 Termination date: 20181101 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |