CN201908599U - Fishing tool for multifunctional spiral drilling rig - Google Patents
Fishing tool for multifunctional spiral drilling rig Download PDFInfo
- Publication number
- CN201908599U CN201908599U CN 201020685630 CN201020685630U CN201908599U CN 201908599 U CN201908599 U CN 201908599U CN 201020685630 CN201020685630 CN 201020685630 CN 201020685630 U CN201020685630 U CN 201020685630U CN 201908599 U CN201908599 U CN 201908599U
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- Prior art keywords
- fishing
- guide shoe
- conical surface
- hydraulic motor
- special guide
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Abstract
The utility model relates to a fishing tool for a multifunctional spiral drilling rig, which mainly comprises a special guiding shoe, a fishing socket, an extending tube and the like, wherein an ultra-hard wear resistant material is welded in four drainage water grooves of the special guiding shoe; and circumferential milling teeth are arranged on the conical surface on the inner wall of the guiding shoe. Thread form with a thread producing function is arranged on the conical surface on the inner wall of the fishing socket. The inner latus rectums of the fishing socket and the extending tube are respectively greater than the outside diameter of a driving shaft of the spiral drilling rig and the outside diameter of a screw; and the upper part of the extending tube is connected with a safety joint matched with the extending tube. According to the tool, the screw or the driving shaft of the spiral drilling jig is introduced through the inclined plane of the special guiding shoe, burrs are ground and milled by a cone in the guiding shoe and then a pipe column enters the inner conical surface of the fishing socket to produce threads; and the spiral drilling jig falling into the well can be fished out by introducing the extending tube and then upwards lifting the drill column. The fishing tool has a simple structure and is convenient for operation.
Description
Technical field
The utility model relates to a kind of multi-functional helicoid hydraulic motor fishing tool, be mainly used in and salvage the helicoid hydraulic motor that fracture accident takes place, also be suitable for salvaging junk with other down-hole string string of the same size range of helicoid hydraulic motor external diameter, the hole condition that this instrument is suitable for is peupendicular hole, directional well and horizontal well, and the utility model belongs to fishing tool field, petroleum works down-hole.
Background technology
At present, down-hole, oil field fishing tool is a lot, structure has nothing in common with each other, its purposes is also different, but the special-purpose fishing tool at the helicoid hydraulic motor fracture accident does not also have versatility, the screw rod because helicoid hydraulic motor might break, possible dig moving axis, the helicoid hydraulic motor urceolus that might break also might these several situations rupture simultaneously, if it is disconnected simultaneously, possibility screw rod or power transmission shaft can stretch out the drilling tool urceolus so, have caused the pipe string of various outer diameter, and Chang Gui fishing tool can not be salvaged out with the trouble of lost tool in hole of this various outer diameter size like this, simultaneously, if the fracture of screw rod place, and the hardness of screw rod and intensity are all very high, unsuitable thread making is salvaged, and power transmission shaft rotates under certain moment of torsion easily, and also unsuitable thread making is salvaged.
The utility model content
The utility model purpose provides a kind of multi-functional helicoid hydraulic motor fishing tool, avoid directly salvaging screw rod or power transmission shaft, proposed screw rod or power transmission shaft are introduced the ideamonger of " prolonging tube ", overcome the not versatility of existing routine techniques existence or have above-mentioned shortcoming, being more suitable for low cost, high benefit and easy and simple to handle in peupendicular hole, directional well and horizontal well, is to reduce production costs and the special-purpose fishing tool of the down-hole helicoid hydraulic motor of labor strength.
The technical solution adopted in the utility model, it is a kind of multi-functional helicoid hydraulic motor fishing tool, constitute by prolonging tube, fishing socket and special guide shoe, it is characterized in that connecting successively prolongation tube, fishing socket and special guide shoe from top to bottom, prolong tube bottom and fishing socket top and be threaded, the fishing socket bottom adopts special straight thread to be connected with special guide shoe.
The outer wall of above-mentioned special guide shoe evenly has eight drainage tanks along circumference, and wherein at interval four tank bottoms of 90 ° are welded with carbide alloy, and special guide shoe bottom is welded with the inclined-plane of carbide alloy, and the inner conical surface of special guide shoe is provided with mill teeth.Guide shoe bottom bevel angle is less than 30 °.
The inner conical surface of above-mentioned special guide shoe is provided with the mill teeth of axial distribution, and the tooth top wedge angle above the mill teeth is 70 °~90 °.
The inner conical surface of above-mentioned fishing socket is provided with the tooth form that thread making is used, and the tooth form on the inner conical surface of fishing socket is divided into five lobes by five triangular prismatic type grooves, and the tooth top wedge angle of tooth form is 85 °~89 °.
The last end interface of above-mentioned prolongation tube is a box thread, is used to connect the safety joint on top.
Fishing socket and the passing hole that prolongs tube all should be greater than the external diameters of screw rod or power transmission shaft, and the length that prolongs tube can be matched according to the length of screw rod or power transmission shaft.
During the utility model fishing, this instrument is sent down by well drilling drill string, during salvaging, the carbide alloy inclined-plane of special guide shoe front end is introduced trouble of lost tool in hole in the special guide shoe, carbide alloy in four tanks of special guide shoe prevents that the guide shoe external diameter is worn, other four tanks guarantee that fluid course is unimpeded, the special straight thread of special guide shoe guarantees the linking intensity between guide shoe and the dipper, the mill teeth of axial distribution on the guide shoe inner conical surface, burr on can mill off junk outer wall, or its junk conical surface of rounding, be removed burr then or entered and carry out thread making in the fishing socket female coupling tap by the tubing string of the junk conical surface of rounding, the inner conical surface of fishing socket has five lobe slips functions, bites fish behind the thread making, carries drill string at last the down-hole helicoid hydraulic motor is salvaged well.
The beneficial effects of the utility model be simple to operate, save man-hour, screw rod or power transmission shaft directly can be introduced and prolonged tube, and directly salvage the helicoid hydraulic motor urceolus, special guide shoe and fishing socket can repeatedly use and interchangeability, use cost is low.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural representation of special guide shoe
Fig. 3 is the π exhibition figure of special guide shoe inner conical surface mill teeth
Fig. 4 is the thread making flute profile partial enlarged drawing of fishing socket inner conical surface
Fig. 5 is a fishing socket A-A section diagrammatic sketch
Among the above-mentioned figure, special guide shoe 1, fishing socket 2, prolongation tube 3, carbide alloy 4, inclined-plane 5, tank 6, mill teeth 7, special straight thread 8, inner conical surface 9, passing hole 10, box thread 11, tooth top wedge angle 12, tooth form 13, triangular prismatic type groove 14.
The specific embodiment
Below in conjunction with drawings and Examples the utility model structure is further specified, as shown in drawings, multi-functional helicoid hydraulic motor fishing tool of the present utility model, constitute by prolonging tube 3, fishing socket 2 and special guide shoe 1, it is characterized in that connecting successively prolongation tube 3, fishing socket 2 and special guide shoe 1 from top to bottom, prolong tube 3 bottoms and fishing socket 2 tops and be threaded, fishing socket 2 bottoms adopt special straight thread 8 to be connected with the top of special guide shoe 1.
The outer wall of the special guide shoe 1 of the utility model instrument evenly has eight drainage tanks 6 along circumference, wherein four tank 6 bottoms of 90 ° are welded with carbide alloy 4 at interval, and special guide shoe 1 bottom is welded with the inclined-plane 5 of carbide alloy 4, and the inner conical surface of special guide shoe 1 is provided with the mill teeth 7 of axial distribution; Inclined-plane, special guide shoe 1 bottom 5 angles are less than 30 °.
The inner conical surface of above-mentioned special guide shoe 1 is provided with the mill teeth 7 of axial distribution, and the tooth top wedge angle 12 of mill teeth is 70 °~90 °.
The inner conical surface 9 of above-mentioned fishing socket 2 is provided with the tooth form 13 that thread making is used, and the tooth form on the inner conical surface of fishing socket is divided into five lobes by five triangular prismatic type grooves 14, and the tooth top wedge angle of tooth form is 85 °~89 °.
The last end interface of above-mentioned prolongation tube 3 is a box thread 11, is used to connect the safety joint on top.
Above-mentioned fishing socket and the passing hole 10 that prolongs tube are all greater than the external diameter of the screw rod that will salvage or power transmission shaft.
The utility model is simple to operate, save man-hour, and special guide shoe and fishing socket can repeatedly use and exchange, and use cost is low, is suitable for the salvaging of the helicoid hydraulic motor of the wells that fall such as peupendicular hole, directional well and horizontal well.
Claims (7)
1. multi-functional helicoid hydraulic motor fishing tool, constitute by prolonging tube (3), fishing socket (2) and special guide shoe (1), it is characterized in that connecting successively prolongation tube (3), fishing socket (2) and special guide shoe (1) from top to bottom, prolong tube (3) bottom and fishing socket (2) top and be threaded, fishing socket (2) bottom adopts special straight thread (8) to be connected with the top of special guide shoe (3).
2. multi-functional helicoid hydraulic motor fishing tool as claimed in claim 1, the outer wall that it is characterized in that described special guide shoe (1) evenly has eight drainage tanks (6) along circumference, wherein four tanks (6) bottom of 90 ° is welded with carbide alloy (4) at interval, and special guide shoe (1) bottom is welded with the inclined-plane (5) of carbide alloy (4), and the inner conical surface of special guide shoe (1) is provided with the mill teeth (7) of axial distribution.
3. multi-functional helicoid hydraulic motor fishing tool as claimed in claim 2 is characterized in that described special guide shoe (1) bottom is welded with the inclined-plane (5) of carbide alloy (4), and inclined-plane (5) angle is less than 30 °.
4. multi-functional helicoid hydraulic motor fishing tool as claimed in claim 1 is characterized in that the inner conical surface of described special guide shoe (1) is provided with the mill teeth (7) of axial distribution, and the tooth top wedge angle (12) of mill teeth (7) is 70 °~90 °.
5. multi-functional helicoid hydraulic motor fishing tool as claimed in claim 1, the inner conical surface (9) that it is characterized in that described fishing socket (2) is provided with the tooth form (13) that thread making is used, tooth form on the inner conical surface of fishing socket (13) is divided into five lobes by five triangular prismatic type grooves (14), and the tooth top wedge angle of tooth form is 85 °~89 °.
6. multi-functional helicoid hydraulic motor fishing tool as claimed in claim 1 is characterized in that the described last end interface that prolongs tube (3) is box thread (11).
7. multi-functional helicoid hydraulic motor fishing tool as claimed in claim 1, the passing hole (10) that it is characterized in that described fishing socket (2) and prolong tube (3) are all greater than the external diameter of the screw rod that will salvage or power transmission shaft.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201020685630 CN201908599U (en) | 2010-12-23 | 2010-12-23 | Fishing tool for multifunctional spiral drilling rig |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201020685630 CN201908599U (en) | 2010-12-23 | 2010-12-23 | Fishing tool for multifunctional spiral drilling rig |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201908599U true CN201908599U (en) | 2011-07-27 |
Family
ID=44300802
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 201020685630 Expired - Lifetime CN201908599U (en) | 2010-12-23 | 2010-12-23 | Fishing tool for multifunctional spiral drilling rig |
Country Status (1)
Country | Link |
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CN (1) | CN201908599U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103015937A (en) * | 2013-01-09 | 2013-04-03 | 西南石油大学 | Special fishing tool for screw drill |
CN110259402A (en) * | 2018-03-12 | 2019-09-20 | 中石化石油工程技术服务有限公司 | Modify combination tool and its dressing method in down-hole equipment end face |
CN111395986A (en) * | 2020-05-14 | 2020-07-10 | 中勘资源勘探科技股份有限公司 | Logging instrument fishing device for large-diameter drilling of coal mine |
-
2010
- 2010-12-23 CN CN 201020685630 patent/CN201908599U/en not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103015937A (en) * | 2013-01-09 | 2013-04-03 | 西南石油大学 | Special fishing tool for screw drill |
CN110259402A (en) * | 2018-03-12 | 2019-09-20 | 中石化石油工程技术服务有限公司 | Modify combination tool and its dressing method in down-hole equipment end face |
CN110259402B (en) * | 2018-03-12 | 2024-01-30 | 中石化石油工程技术服务有限公司 | Underground drilling tool end face trimming combination tool and trimming method thereof |
CN111395986A (en) * | 2020-05-14 | 2020-07-10 | 中勘资源勘探科技股份有限公司 | Logging instrument fishing device for large-diameter drilling of coal mine |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20110727 |